SUBJECT ENTRIES
A1. State and
Law. Jurisprudence
A3. Economy
À4. Education
À5. Informatics/Computer Science
B1. Mathematics. Mechanics.
Physics. Cybernetics
B3. Geology.
Geodesy
B4. Geography. Cartography. Astronomy
B5. Other Natural and Exact
Sciences
C. TECHNICAL AND APPLIED
SCIENCES. SECTORS OF ECONOMY
C1. Power
Industry
C2. Electrical
Engineering. Electronics. Radio Engineering. Communications
C3. Automation
& Telemetry. Computer Engineering
C4. Mining. Metallurgy. Chemical Industry
C5. Mechanical Engineering. Instrument-making
C6. Light Industry
C7. Food Industry
C8. Construction. Architecture
C9. Agriculture
and Forestry. Fishery
C10. Water Industry. Melioration
C11. Foreign and
Domestic Trade. Tourism
C12. Transport
C13. Medicine.
Healthcare
D1. Organization and Management
D2. Environmental Protection.
Ecology
D3. Statistics
D4. Other Intersectoral Problems
A1. State and Law. Jurisprudence
7.A1.1. Human rights and Georgian law. /M. Surguladze/. Science
and Technologies. – 2010. - #7-9. – pp. 122-125. – geo., abs.: eng., rus.
National
and international bills regulationg human rights and freedoms are discused. The
author shows the importance of the European Convention on Human Rights in
Georgian law and in the process of judicial practice.
Auth.
7.A1.2. Trafficking and criminal law. /D. Julukhadze/. Science and Life. - 2010 - ¹1. - pp. 71-76. - geo.; abs.: geo., rus., eng.
Some peculiarities of articles of the
Criminal Code of Georgia imposing liability for trade in humans as well as for
trafficking of under-aged are considered; a proper attention is given to the
question of the imposition of liability for using services of a victim of
trafficking.
Auth.
7.A1.3. Reflection of some theoretical aspects of intellectual
property in Georgian legislation. /G. Chiladze/. Science and Life. - 2010 - ¹1. - pp. 77-81. - geo.; abs.: geo., rus., eng.
The right to invention is an inviolable right
of a citizen. Theoretical approaches to natural law and industrial property
provided a basis for the first patent laws. Intellectual rights represent the sui generis rights. They substantially
differ from the property rights to things. The copyright and invention law
represent a combination of personal (moral) and property rights. A patent is an
individual agreement between the inventor and the state. The inventor is much
restricted within the patent rights, yet he can enjoy it without applying to
formal invention patenting procedures.
Auth.
7.A1.4. Demarcation between instigation and provocation of felony.
/G.
Abesadze/.
The article discusses the problem of
demarcation between instigation and provocation of felony. The western criminal
law literature provides different opinions about the issue. The investigation particularly
distinguishes the Swiss version of culpable participation doctrine, known as
the theory of social disintegration. The theory of social disintegration failed
to explain the nature of instigation and it left the following problematic
situation open. Namely, if the instigator encroaches on the actor’s personality,
while the actor encroaches on any specific good protected under the special part
of criminal law, then the so-called social integration depends on legal good.
Thus, demarcation is not participation, as it has an independent good of
encroachment. According to this theory, the actor has the same good of such
encroachment. Thus, said doctrine in general denies the participation institute
and erases the distinction between the instigator and the actor as of
accomplices. Provocation of a felony is also the temptation of the actor.
Therefore, the concept of intention should also imply a temptation. For
qualifying an action under Article 145 of the Criminal Code, the decisive
importance is given to the direction of the criminal’s intention.
Auth.
7.A1.5. Is revenge a motive
or purpose? /R. Kvaratskhelia/.
The paper discusses
whether revenge is a motive of crime or its purpose. Motive and purpose are
psychological categories. The criminal law literature considers the motive of
crime as the inner condition of a person that pushes him toward an action and
guides him during commission of a crime. Some researchers equalize a motive with
necessity and thus consider the need that motivates a criminal act to be the
motive of crime. Other researchers criticize such a view and treat necessity as
a social relationship of an individual towards things, which always exists and is
characteristic of any individual according to his/her character, yet not every
individual commits a crime. Therefore, based on all the above, motive is the principal
or the first ground for commiting an offence. Consequently, we can conclude
that the revenge is not a motive of crime but rather the purpose of a criminal
action taken by an individual.
Auth.
7.A1.6. Some issues regarding
the guilt of a homicide committed in the heat of passion. /G. Mukhadze/.
This essay deals with the interests towards homicide
committed in the heat of passion that has long existed in Georgian criminology.
It is conditioned by two causes: first, by permanent requirement to judiciary
practice for precise criteria of qualification of the said act; second, by
essential changes in the Georgian criminal law doctrine that required the working
out of a new approach towards the problem of guilt. Consequently, Georgian scientists
had to review a whole range of conceptions, which failed to meet demands of the
present day. Given complexity of the issue, the authors briefly discuss peculiarities
of the attitudes of Georgian scientists to some conceptual approaches, singling
out only the guilt’s psychological argumentation of the estimation of
personality conceptions of victim and the criminal.
Auth.
7.A1.7. An overall performance of the copartnership agreement
contents in accordance with Georgian legislation. /E. Ninua/.
The work, based on Georgian civil legislation
of the soviet period and special literature, provides a general description of
a partnership agreement contents. Emphasis is made on the agreement’s essential
terms, as one of the basic principles of the partners’ rights and
responsibilities, focusing on a contribution to the common business and on the
things contributed; also discussed is the legal fate of common property with
regard to the ownership, use and handling. The work also views some issues
related to the agreement made in favor of third parties favor and the rights arising
out of it. The last part is dedicated to the joint activity management and
types, special attention being paid to legal and contractual rules; the same
part deals with the cases of deprivation of a partner of the authority of
management. Finally, the the necessity of making a written agreement and its
results.
Auth.
7.A1.8. Elements of crime and the structure of criminal law norm.
/G.
Kobalia/.
The transition of
countries from the authoritarian regime to democracy and rule-of-law state might
be considered to rest upon the legal reform. When defining the legislative
strategies the actual legal practice should be taken into account. The paper
aims at contributing to the establishment of the unified legal practice. The
Criminal Code of Georgia tends to liberalize the penal policy. It should be
mentioned that while enforcing a whole range of provisions provided therein the
principles of justice and legality should be adhered to. When defining the
elements of crime, the legislator criminalizes the act in question. This is
what is implied by the guarantee and legality function of criminal law: nullum poena, nullum crime sine lege.
Through contrasting and diversified standpoints the paper highlights the author’s
view on the structure of a criminal law norm in the context of the problems of corpus delicti. Based on the value
philosophy the place and role of corpus
delicti in the structure of a norm is identified.
Auth.
7.A1.9. International standards of independence of judiciary. /B. Savaneli/. Materials of
The report is dedicated to the necessary of
implementation of International Standards of Independence of Judiciary in
Auth.
7.A1.10. Suspension of an individual judicial
administrative act in the administrative procedure. /G.
Giorgadze/. Materials of
The article describes the types of lawful and judicial
suspension of an individual judicial administrative act prescribed by Article
20 of the Code of Administrative Procedure of Georgia, as well as the cases of
negative and unlawful practice of suspension of such acts by courts.
Auth.
7.A1.11. Changing people in obligations. /I. Balakhashvili/. Materials of
It is possible that the obligation performers
may not coincide with obligors. Subjects of obligation are not always creditor
and debtor, and the obligation may be both performed and accepted by another
person. As a rule, the debtor itself executes the obligation, but the creditor
can be offered the execution by a third person - not party to this obligation
relationship. The original parties to the obligation may be changed by other
people. The change of a creditor is called assignment, or cession, and the
change of an obligor- the change of an obligation.
Auth.
7.A1.12. Actual aspects of
improvement of a legal system reulating national fiscal relationships. /Z.
Amilakhvari/. Materials of
The article, discusses legal norms regulating national fiscal
relationships and mistakes made in their development and adoption that affected
fairness and efficiency of the national legal system. Based on analysis of the tax
and customs legislation, also legal norms regulating payables for services
provided by legal entities of public law, various proposals and recommendations
for their improvement are provided. According to the author, the assignment of
the legislative control function to the constitutional court, also the
provision of any individual with the right to appeal against any courts
decisions in the constitutional court will further the State ’s legal
development.
Auth.
7.A1.13. Complicity
in robbery. /M. Lomsadze/. Materials of
The work “Responsibility for Robbery” is not
novel in the Georgian criminology, but there are still some points to be
studied in detail in reference to the above subject, namely such issues as the
elements of robbery, the problems of robbery qualification, inchoate robbery,
and complicity in robbery. The work will be of assistance to professional
lawyers, students and all those interested in the problematic issues in
connection with robbery.
Auth.
7.A1.14. Survey of the state of the so-called post-war border
villages. /A. Tavakarashvili/. Materials of
The issue was investigated from the fall of
2008 to the end of 2009 within the framework of a research project under the UN
Women's Fund, UN Human Rights High Commissioner's Office and the Representation
of the Council of Europe in
Auth.
7.A1.15. Mercy killing. /I. Mamestsarashvili,
The act of mercy killing specified by Article
110 of the Criminal Code of Georgia is the subject of debate among
criminologists, practicing lawyers and medical workers. In the author’s
opinion, such debates and arguments for and against are necessary for establishing
the truth and legal handling of the problem of euthanasia at a global scale.
Auth.
7.A1.16. The pedagogical and psychological aspects of the
lessening of criminal discretion of juvenile delinquents from 14 to 12 years. /I. Bukhuleishvili/. Materials of
The pedagogical and psychological problems of
the lessening of criminal discretion of juvenile delinquents from 14 to 12
years of age and the searching of ways and means of working with them are of
great urgency today. The article critically analyzes the necessity of lessening
criminal discretion in juvenile delinquents and suggests that such measure
would create much more problems in fighting juvenile delinquency.
Auth.
7.A1.17. Analysis of computer crime. /T. Chaligava A. Beroshvili/. Materials of
In the 21st century, computer crime is one of the most dangerous crimes. It harms individuals, corporations, the
State, private organizations and business, security of the country. A
strict legislative base and powerful mechanisms
of protection
of modern computer facilities and technologies are to be
created.
Auth.
7.A1.18. Structure of the theft basic composition in accordance
with the normative composition of criminal law. /M. Jamalov/.
The survey considers basic elements of theft.
The relevant definitions of some foreign countries are critically analyzed, the
shortcomings of the psychological theory of guilt that prevail in the post-Soviet
republics up to the present are considered. The views of some foreign
scientists in support of the dominating German normative theory are discussed. The
basic elements of theft are enumerated.
Auth.
7.A1.19. Elements of objective side of theft. /M. Jamalov/.
The basic elements of the objective side of
theft are presented by specific act – secret withdrawal of another’s movable
thing for the purpose of illegal appropriation. Consequently, the definition of
“theft” that was widely adopted in the post-Soviet republics is critically
described. The term “theft” is quite vague and doesn’t answer the demands of
modern civilized science of developed countries. It is not known either by
Azerbaijan Civil Code. Article 203.3 of the Azerbaijan Civil Code prohibits the
withdrawal of property from the owner. That is why the term “withdrawal” in
this case is quite logical. The objective composition of theft involves
immanently the purpose of carrying out the act and it is not accidental,
because the purpose of breaking the legal prosperity always defines the lack of
objective truth and presents its objective criterion. The given survey
describes critically the various subjective theories of consequence as well.
The special attention is paid to the problems of causal connection
establishment.
Auth.
7.A1.20. Struggle against terrorism under conditions of
globalization. /M. Aleskerov,
The article considers the questions of
struggle against the international terrorism under conditions of globalization.
The relevant international legislations, a role of the United Nations, and the
strategy of struggle against the terrorism of EU,
Auth.
7.A2.1. Problems of birth rate in
In the past, high birth rate in
Auth.
7.A3.1. Study of economic growth through microeconomic models. /P. Gomtsyan, A.
Arakelyan/. Georgian Scientific News. – 2010. - #1(5). – pp. 45-48. – rus., abs.:
geo., eng., rus.
Optimized microeconomic mathematical
models are proposed by means of which the trends of economic growth at the
macroeconomic level in the short run are explained. Determination of the
optimal variant of the benefit distribution between savings and consumption is
urgent especially under conditions of overcoming the financial-economic crisis
and post-crisis development of the economy
Auth.
7.A3.2. Dynamics of foreign direct investments in
As the official data demonstrate, the total
Foreign Direct Investments (FDI) of
Auth.
7.A3.3. Investment and questions of its estimation in calculation.
/L.
Sadaghashvili, G. Nanuashvili/. Science and Life. - 2010 - ¹1. - pp. 47-50. - geo.; abs.: geo., rus., eng.
The article "Investment and Questions of
its Estimation in Calculation" deals with the role and significance of
investments in
Auth.
7.A3.4. The trustworthiness, liquidation and issues of perfection
of solvency of a commercial bank. /L. Jangulashvili/. Science and Life. - 2010 - ¹1. - pp. 65-70. - geo.; abs.: geo., rus., eng.
The bank liquidity is determined by balancing
its assets and liabilities, the compliance of the terms of assets disposed and
liabilities attracted, while the solvency includes the possibilities of the
bank to meet tax obligations timely and completely through the operations of
trade, credit and monetary sources. Based on the above, the liquidation and
solvency should be implemented by the bank on the basis of a strategy worked
out in advance and targeted at the preferential tasks of the bank’s
development.
Auth.
7.A3.5. Globalization, economic theory and
The
article states that the recommendations that formed the basis for the economic
development of
Auth.
7.A3.6. Competition as backbone
of the national economic policy. /Sh. Gogiashvili/. Science
and Life. - 2010
- ¹2. - pp. 10-15. - geo.; abs.: geo., rus., eng.
The necessity of government regulation of any
economy arises from the economic requirements, and the market with its
profit-oriented nature is truly powerless before these requirements. Only the
scope and intensity of regulation can be disputable. The competition, being the
backbone of a market economy and the basis of state economic policy, provides
for its (economy) efficiency, human rights and personal rights. At the same
time, the competition may not be maintained automatically and is ousted by
monopolies if the state fails to take special measures in order to protect the
competition.
Auth.
7.A3.7. Self-management – the
highest level of management. /I. Maisuradze/. Science and Life. - 2010 - ¹2. - pp. 23-30. - geo.; abs.: geo., rus., eng.
The article deals with the importance and
advantages of being competent in the methods of self-management and behaviour, in
choosing the right direction to be followed by all good manager leaders. Only
if we develop the qualities, habits and skills enabling us to manage ourselves
and other people, we shall be able to secure an efficient and result-oriented
work.
Auth.
7.A3.8. International capital
and production under the world economic crisis: tendencies and perspectives. /I. Manvelidze/. Science and
Life. - 2010
- ¹2. - pp. 31-38. - geo.; abs.: geo., rus., eng.
Following the establishment of the industrial
nucleus of globalized world economies, the geography of international
investment flow is changed, because the character and role of foreign direct
investment (FDI) changes according to regions and has its own specificity;
accordingly, the latter determines the intensification level of the FDI’s flow.
One of the main problems among the factors influencing the world investment
flow is the possible crisis in world economics, which by its character and scale
may be global, regional or local. The global economic crisis is extremely
negative, directly hitting all the branches of the world economic and
international financial and economic relations. The 2008 world economic crisis
is the typical example. According to the estimation of the UNCT experts, multinational
corporations expect to gradually increase their FDIs in 2010, reaching the
level of 2008 in 2011. The leaders in future growth of FDI will be the
Auth.
7.A3.9.
Tea-growing and tea industry integration and a strategic program of their sustainable
development. /O.Keshelashvili,
M.Nikoleishvili, M.Mechurchlishvili, E.Dzagania, D.Mamukelashvili,
For the first time in
Georgia, a multi-component and multi-optional strategic program of the
tea-growing and tea-industry integration and sustainable development, as well
as the mechanism of its implementation and rational utilization will be
developed as a system of economic and organizational recommendations in line
with the requirements of a market economy. The scales and demands of the use of
the research results will gradually grow, leading for the future development of
integration process and the quantitative growth of agroindustrial formations
and their area, which undoubtedly seems to be a positive trend.
Auth.
7.A3.10. The contemporary
interpretation of intensification of production. /J. Bazhunaishvili/. Agrarian-Economic Science and Technologies.
– 2010. – #4. – pp. 28-31. – geo.; abs.:geo.; eng.
In the article the
author’s view of contemporary understanding of the intensification of
agricultural production is highlighted. We consider that the essence of
intensification is not in ‘inputs’, i.e. extra investments before production
(extra investments) and not in ‘outputs’ upon completion of production, but in
the change of functioning of the production system. We believe that intensification
enhances the strain of functioning of the production system. Thus, the process
of intensification of agricultural production is enhancing the strain of
functioning of the production system by employing its potential thoroughly. In
this explanation two types of this process are singled out. The first type is
increasing the strain of production system trough using its potential or
strength of separate resources. This type can be called a relative
intensification. It is limited by the size of production potential and the
resources of individual elements of production. The second type of
intensification is connected with the increase of production potential. This
type includes enhancing the strain of the production system functioning at the
expense of its progressive structural and functional reorganization and
development which is accompanied by improving the economic and production
quality of the system on the basis of enhancing the production potential. This
type can be called absolute intensification.
Auth.
7.A3.11. The main principles of improvement of the investment
environment in
A growth in foreign direct investments has
been noted in
Auth.
7.A3.12. Important
and original definitions for economy and business. /O.
Keshelashvili/. Agrarian-Economic Science and Technologies. – 2010. –
#2. – pp. 6-21. – geo.; abs.: geo.; eng.
The author proposes own original and
important scientific definitions of: 1. Business; 2. Business philosophy; 3.
Informational technologies; 4. Attitude to business in
Auth.
7.A3.13. Economic assessment of an aggregate according to
its energy criteriua. /R. Makharoblidze, G.
Chitaia/. Agrarian-Economic Science and Technologies. – 2010. – #2. – pp.
35-42. – geo.; abs.: geo.; eng.
The effectiveness of a technological process
of agricultural crops growing and harvesting is estimated by the correlation of
the cost of the yield with the cost of the work performed. The cost of the
performed work and production expressed in monetary units is directly related
to the market conjuncture and inflation indicator, which determines the
efficiency value, which is different in each individual moment; therefore, its application
in comparing general technologies and individual machine operations is less
effective and may cause an estimation error. Therefore, when estimating
technological processes, it is necessary to select an indicator which is
constant and depends only on the technical and economic characteristics of the aggregate.
Such indicator is the consumption of energy necessary for the process
fulfillment per unit of cultivated area.
Auth.
7.A3.14. The services market in a mixed economy. /V.
Kiria/. Gaenati Herald. – 2010. – vol. 3, #3. – pp. 19-25.
– geo.; abs.: geo.; eng., rus.
The
article deals with the services market as the area of exchange of the results
of work in the nonproductive sphere of the economy. The peculiarities of the
services market are given and the necessity of its regulation buy the State is
justified.
Auth.
7.A3.15. The organization of electronic trade/commerce
and prospect of its development. /K. Mdinaradze/.
Gaenati Herald. – 2010. – vol. 3, #3. – pp. 36-45. – geo.; abs.: geo.;
eng., rus.
The
work the organization and development of e-commerce through the Internet,
focusing on the efficiency of such online electronic trade. Different sources speak
of the growing popularity of e-commerce; numerous Internet shops offering
diverse products and fast servicing are being established. The contemporary
business environment is hardly perceivable without e-commerce. The current
tendencies of development of this new sector of economy – electronic commerce –
are rather promising and evidence its growing role in the world and national
economies.
Auth.
7.A3.16. Financial leverage - effective tools for
corporate management. /Kh. Barbakadze/.
One of the key elements of a market economy
is the knowledge of the main mechanisms of the income generation, its analysis
and application of the modern methods in planning. One of the main mechanisms
for realization of it is the financial leverage. The financial leverage
foresees utilization of the fixed costs and is characterized by usage of loan
capital by a corporation influencing the net profit ratio. The financial
leverage is the objective factor, originated under the loan capital equal to
the utilized assets that give the opportunity to generate additional income
from own capital.
Auth.
7.A3.17. Innovations in sales strategy of banking
services. /E.
Gogorishvili/.
The process of effective sales management is
the aim of economic innovations. For this reason, it is very useful to focus on
innovations in the field of banking products, sales forms and methods. The main
forms of sales are classified as static when the client is served in the office
and the bank is selling traditional bank products, and as remote when clients
are served through modern electronic facilities. A strategy allows the optimal
use of sales planning and bank resources. It provides the better understanding
of user expectations and market assessment. Clients feel that the bank is able
to satisfy their diverse requirements. Hence, it is clear that customer's
confidence in the bank shall be determined by a number of products purchased
and general interest level of integration. Therefore, the banks that maintain
relations with the client in the joint business framework receive the greatest
benefit.
Auth.
7.A3.18. Prospects of corporative development. /A. Gabrichidze/.
The issue of corporative development and
functions is the important element in the company’s structure. The corporative
deals related to the acquisition and sale of assets are integral parts of the
competitive strategy. For business development and expansion companies are
using any type of deals and their importance is increasing; at the same time,
the responsibility of the board of directors on corporative development is
widening. The practice of countries with developed market economy in this
direction covers actions and problem solution methods, which ensure the
positive effect and high quality of deals, as well as their relevance toward
the company’s tasks and mission.
Auth.
7.A3.19. Corporate financial planning. /T. Gamsakhurdia/.
The article considers the place of financial
planning in the general system of corporate governance, the basic methods of
the purpose and elements of financial planning of the company are defined, and
the process of financial planning and its interaction with firm strategy are
analyzed. The financial planning of companies allows formulating of measurable
key indicators of the business purpose, planning of activities base thereon, supervising
resources during performance, and analyzing the reached results. As a whole,
the financial planning allows to lower the system risks upon development of a
company and deterioration of a conjuncture at the expense of rationing of
resources and increase of the level of financial control in the company.
Auth.
7.A3.20. Insurance market and insurance supervision in
foreign countries.
/N. Kakashvili/.
The institutional model for the supervision
of financial activities operates in
Auth.
7.A3.21. Credit risks management and assessment criteria.
/N. Saralidze/.
A credit risk is the most important banking
risk, as the inappropriate assessment of the borrower leads to the origin of problematic
debts and losses. The credit risk assessment is of a special importance and generally
risk management systems are established and function at banks for this purpose.
In making a credit risk management system, banks generally rely on own and
foreign experience. For many decades, the European and US banks are actively using
and developing the credit risk assessment approaches. Therefore, the implementation
of a credit risk management system without studying and understanding the models
developed in foreign countries would be unreasonable. The developed by the Basel
Committee “Revised Scheme of Capital Calculation Approaches and International
Standards” - Basel-II, is the basis for regulatory processes in European
countries. The document contains all the findings of the new credit risk
management, which allows for the establishment of an effective credit risk
management system.
Auth.
7.A3.22. Estimation of investment attractiveness of the
The article presents the methods of estimation of the investment climate
incorporating the objective possibilities (investment potential) of a country
and regions as well as the investment activity conditions (investment risk)
after the example of the Autonomous Republic of Adjara. Based on the carried
out analysis, the investment risk in the republic Investment is twofold less
than in
Auth.
7.A3.23. Economic policy of
Georgia must have priorities not only in traditional fields but also in high
quality, high-tech and high productive spheres as well. Only in this way it will be possible to increase the competitive long-term,
irreversible growth, boost revenues and salaries, and improve living conditions
of the population. We may name, for example, manufacture of pharmaceutical
products, telecommunication devices, gadgets and installments. The focus should
be made on high-tech and valuable products. Lately, a demand for plant –based preparations
has increased globally. Accordingly, demands
for medicinal plants have also increased.
Auth.
7.A3.24.
The signs of the
global financial crisis have begun to occur in the world since the second half
of 2007. The situation in
Auth.
7.A3.25. The importance of acknowledging causative relation between intuitive skill
and intellectual thinking in integration
policy formation process. /G. Todua/. Economics and Business. – 2010. - #6. – pp.
10-30. – geo.
In the presented article, intuitive skill is considered to be the greatest contemplative wisdom granted
to the humans from the Almighty. The importance of such cognition
is immeasurably great in human history. However, it is also natural that through time,
priorities of investigating mysteries of natural phenomena have been settled
upon achievements of intellectual or conceptual thinking. In conclusion,
progress of the world civilization has been conditioned by the acknowledgement
and development of causative relation between intuitive skill and intellectual thinking, which resulted in
contemporary highly developed information society. The article provides
substantiations about high importance of successive acknowledgement of the
unity of intuitive skill
and intellectual thinking for creation and implementation of proper integration
economic policy. Integration value gained in this way is one of the central
problems, which should attract the attention of distinguished scientists and
politicians.
Auth.
7.A3.26. Business and competition. /J. Tolordava/.
Economics and Business. – 2010. - #6. – pp. 83-88. – geo.; abs.: eng.
Article discusses the issues of development
of competition strategies. Attention is paid to two types of competitive
advantages: reduction of expenditures and diversification of activities. The
article points out the ways which can be used to reduce expenditures and to
implement diversification strategies. The article also analyzes the methods
that combat today widely spread dishonest
competition.
Auth.
7.A3.27. On Milton Friedman’s monetarist rule. /M. Chikobava/.
Economics and Business. – 2010. - #6. – pp. 41-50. – geo.; abs.: eng.
Keynesian and
monetary concepts are considered. The Keynesian monetary regulation of
inflationary character for a long-term period is underlined. Also, the monetary
rule (Friedman's equation) is analyzed, which provides conformity of rates of
increase of money supply and real GDP to check rates of inflation. It is shown
that on the basis of Friedman's equation, monetary regulation not only
practically but also theoretically fails to satisfy non-inflationary
development of economy for the long-term period that acts as one of the main
reason of modern economic global crisis.
Auth.
7.A3.28. The peculiarities of accounting of non-commercial juridical persons. /L.Grigalashvili/. Materials of
The issues of accounting
of non-commercial juridical persons are discussed in the work. For the purpose
of unification of registration of commercial and non-commercial business, we,
based on the standards of accounting, worked out a plan of accounting records,
according to which the business of a juridical person is divided into “general
activities” and “commercial activities”. Accordingly, the methodology of
incomes from the budget and commercial activities are shown.
Auth.
7.A3.29. Monopolism and economy of
The work contains an analysis of such important questions as the
significance of monopolization and its influence on the economy of
Auth.
7.A3.30. The role of foreign investments in Georgian economy.
/L.
Osadze, M. Sosanidze/. Materials of
The article focuses on the necessity of
studying the investment climate and the carrying out of a respective investment
policy for economic development of
Auth.
7.A3.31. The role of financial management in the development of business. /N. Gagnidze T. Tsintsadze/. Materials of
The role of finance management and the importance of place in the
business development are discussed in the article. The finance manager
is the important figure in foreign developed countries and his/her knowledge
and experience is the guarantee of success of any business. The production
activity of any organization depends on the correct administration of finances,
optimal and exact business plan, good choice of strategy and tactics which are the
most important guarantee for business development. As business enterprises do
not have a long-time history in
Auth.
7.A3.32. The essence of innovation and its role in
increasing competitivenes. /G. Merlany/. Materials of
In case of market relations, market demand
for production and service and orientation on consumers have entirely changed
approaches towards innovation. The article deals with the basic questions of
innovation, classification of the milestones of innovation, and its links with
competitiveness, marketing, the living cycle of production, on which the profit
of firms is dependent. The work begins with the definition of innovation as the
last phase of scientific–technical progress and with the approaches of the
scientists who have played a great part in explaining the essence of
innovation. As a result of different research carried out by many scientists and
taking into consideration the world standards, innovation should be discussed
as the last phase, the last milestone of scientific–technical progress, which
has the practical usage in the production and/or service sector. The experience
of developed countries shows that the process of innovative and marketing
activity goes without interruption and in anticipation of the stages of a new
product design, development, and perfection.
Auth.
7.A3.33. Characteristics and peculiarities of informatiin
society economy. /E.
Lagvilava T. Chaligava/. Materials of
Multifarious names of information society
economy point out that the term has not been finally specified, because rapidly
changeable processes in developed countries do not allow for making an
unambiguous definition. Such terms as information economy, new economy, virtual
economy, knowledge economy, also innovation economy, and some others are
synonyms that differ by peculiarities of different aspects of their
consideration.
Auth.
7.A3.34. Information society and human potential. /T. Chaligava, B. Chaligava/. Materials
of
The formation of material capital,
accumulation of human capital and technical progress are closely interconnected
in an information society. The information and communication technologies influence
the human potential. Therefore, the unity of market relations and human values
should be ensured when developing the national policy and strategy. The role of
information technologies in the development of the human potential should not
be disregarded.
Auth.
7.A3.35. Methods of calculation
of economic efficiency and optimal allocation of funds for protecting soils
against erosion. /T. Zeinalov/. Collected Papers of
the
The paper describes the calculation methods to avoid or mitigate soil
erosion caused by water and to increase the guaranteed allocation of lands. We
have developed and proposed a mathematical model and calculation technology to
facilitate the efficient allocation of funds for protecting soils against
erosion. The calculation technology proposed ensures the reduction of topsoil
washout. Irrigation with the use of a soil protection technology provides for reduction
in the length of irrigation ditches and the cutting of additional ditches, as
well as a rise in wages of the service staff.
Auth.
7.A3.36. Features of the modern economic crisis in
The impact of the global financial crisis on
Auth.
7.A3.37. The possibilities of compensation of depositors suffered in the 90s of the
20th century in
After the break-up of the
Auth.
7.A3.38. Social risks in contemporary
The changes taken place in the 90s of the 20th
century in
Auth.
7.A3.39. Peculiarities of Georgian balance of trade. /N. Tsomaia/. Ekonomisti. – 2010. - #2.
– pp. 35-37. – geo.; abs. eng.
The balance of trade is one of the important
indicators of a country’s economic security. To achieve the positive
balance of trade,
Auth.
7.A3.40. Formalization of risk management process in a
firm. /N. Lazviashvili/. Ekonomisti. – 2010. - #2. – pp.
38-45. – geo.; abs. eng.
Modern business is very risky. The economic globalization has further
increased the probability of risks. Therefore, the management of risks has
become very important and a special discipline "risk management" has
been established. Risk management includes balanced, consecutive actions to display,
measure and manage events which cause losses and financial difficulties. The
effective procedure for risk management enables the leadership of a company
to forecast risks and make reasonable decisions for managing them. "Risk
management" is connected to such concepts as restraint and danger. By
knowing risk management, we not only avoid a danger but really improve our
lives. Only effective risk management will help.
Auth.
7.A3.41. Small business in
The cardinal problems of small business in
Auth.
7.A3.42. Water business
in
Together with other natural resources,
potable water of
Auth.
7.A3.43. Issues of small and medium enerprises
development in
Small and medium enterprises (SMEs) are the
basis of the economic and social stability of all the states. It is necessary
to establish a principal development and support system in the SME sphere for realizing
the national policy and strategy. It should include both the government structures
and international commercial organizations. Such a political system and the
implementation mechanisms in the sphere of SMEs are not effective in
Auth.
7.A3.44. The investment evaluation-based approach to financial
stabilization. /A.
Matevosyan/. Ekonomisti. – 2010. - #2. – pp. 60-66. – eng.; abs. rus., eng.
For the purpose of the financial position control,
commercial enterprises establish secondary reserves for transactions on
financial markets. In the process of financial management process, the primary
direction is acquired by new approaches and mechanisms of financial stabilization
of the enterprise. The developed and proposed methodology allows selecting of
effective investment projects.
Auth.
7.A3.45. Theoretical
and practical problems of the competition law and policy under modern conditions. /N. Hajiev, Z.
Galilov/. Ekonomisti. – 2010. - #2. – pp. 60-66. – eng.; abs. geo., eng.
The principal tasks of the competition policy
are considered. Competition forces firms to become more efficient and to offer
customers a wide choice of products and services at lower prices. The article also
refers to a certain tension between the law and economy. Whatever the tasks of
competition policy, the issue of their achievement is still to be solved.
Auth.
7.A3.46. The ways of a real sector devolopment in
Georgian regions. /V.
Burduli/. Ekonomisti. – 2010. - #4. – pp. 12-18. – geo.; abs. eng.
The
article shows the expediency of working out of a strategy for development of
basic sectors of economy in the context of regions. A number of provisions to
be reflected in such a strategy are shown and described, to wit: the
determination of ways of renovation of technologies; the determination of the
most expedient institutional forms of the organization of production in towns
and country; the ways of distribution of expediency forms of foreign capital in
the country; the creation of a favorable investment climate in co-ordination
with local authorities, central authorities, associations of entrepreneurs, and
trade unions; the determination of supplementary measures for stimulation of
medium and small business; the foundation of special economic zones in some
regions.
Auth.
7.A3.47. The post-Soviet social-state system and its
specific features. /Al.
Kuratashvili/. Ekonomisti. – 2010. - #4. – pp. 19-23. – rus.; abs. geo, eng.
The essence of the post-Soviet
social-state system and its specific features are considered. The ugly nature
of the post-Soviet social-state system and the necessity of its radical change
in the interest of the people are substantiated.
Auth.
7.A3.48. Deregulation of economy – as a component of the
government regulation system. /An. Kuratashvili/. Ekonomisti. – 2010. - #4.
– pp. 24-27. – rus.; abs. eng.
Problems of the
government regulation of economy are considered. At the same time, the economic
deregulation is understood and substantiated by the author as a specific method
of government regulation, since the government economic regulation is also
governed by the State.
Auth.
7.A3.49. Problems of science and education economy in
There is a view on inevitability of uniting
science, education and scientific-technological progress (STP) in knowledge
economy. But there is also one notice: further development of STP in
Auth.
7.A3.50. The role of internal audit and control in the
sector development (a case of health protection in
It is generally recognized that if health systems throughout the world
vary widely in their design, content, management and performance, they share
the same core goals of good health,
responsiveness to people’s expectations and fair financing - one of the
main topics for the WHO European Ministerial Conference on Health Systems:
“Health Systems: Health and Wealth” conducted in Tallinn in June 2008. The
charter adopted at this conference (“Tallinn Charter”) commits the member
states to: promote transparency and be
accountable for health system performance to achieve measurable
results. To achieve these objectives, it is necessary that a system of internal
audit be developed.
Auth.
7.A3.51. Parameters and state regulation of economy. /E. Mekantsishvili/.
Ekonomisti.
– 2010. - #4. – pp. 48-52. – geo.; abs. eng.
The article provides parameters and the
necessity of state regulation of economy. There are shown main directions of state
regulation. The fact is that the state must fulfill some requirement while
regulating the economy, which is necessary under free competition. It must
create the bases for the development of enterprising, one of the important
conditions of which is forming fiscal policy for countries with transitional economy.
The State must outline the main principles, in particular allocate credits to
stimulate enterprise, and work out relevant legislation to mark off the rights
and obligations of the government and private sectors.
Auth.
7.A4.1. What should
be scientific competition? /G. Beria/. Science and Technologies. – 2010. - #4-6. –
pp. 3-6. – geo., abs.: eng., rus.
The
article proposes alternative views of the author concerning scientific
competition. In particular: the scientific competition should be as much public
as possible; only patentable components of a project proposal should be
accepted. The main characters of a competition are the author, the opponent and
the arbitrator. Remuneration of their works should be through salaries, grants,
fees and awards according to their contribution to the competition. Science
does not produce on masse, marketable goods. Scientific competition is the arena
of a single combat of hypotheses for solving the yet unsolved problems. The expert
arbitrator is the necessary person in production but in science it can be only a
passive adviser.
Auth.
7.A4.2. English language teaching concept. /I. Gachechiladze/. Science and Life. - 2010 - ¹1. - pp. 128-132. - eng.; abs.: geo., rus., eng.
The article presents main directions in the
methods of teaching the English language, their strengths and weaknesses, also
the problems accompanying the teaching process and different methods of their
adequate solution. The author also expresses own point of view concerning the
improvement of the English language teaching.
Auth.
7.A4.3. Psychological bases of pedagogical relations. /N. Saginashvili/. Science and Life. - 2010 - ¹1. - pp. 173-177. - geo.; abs.: geo., rus., eng.
The pedagogical influence on a pupil is
realized on the basis of a certain relationship. The style of pedagogical
relations determines the results of educational-upbringing activities of any
type. There are known several types of pedagogical relations, but only three
ones are outlined by Georgian scientists: democratic (co-operative),
authoritarian (imperative), and liberal. Two sharply different styles – the democratic
and the authoritarian are considered by the scholars as the most effective
ones. The style of liberal relations is less used, for it is considered harmful
to pedagogical activities. Certain obstacles are often found in pedagogical
relations, such, for example, as the psychological and communicative aspects. The
means of pedagogical relations are divided into two groups – the verbal
(lexical) and nonverbal (gesture, facial expression, etc).
Auth.
7.A4.4. Management of knowledge. /I.
Chkhaidze/. Science and Life. - 2010 - ¹2. - pp. 39-43. - geo.; abs.: geo., rus., eng.
The
positive and negative characteristics of the knowledge classification types - ‘fundamental
knowledge maintenance’ and ‘innovative knowledge’ are considered. The first
type of knowledge is characterized as enabling a person ‘to take part in a game’
and ensuring significant competitiveness of a company, on the one hand, as well
as creating a significant barrier to the development in the company at the same
level or the same knowledge degree, on the other hand. The second knowledge classification
type, in contrast to the first type, enables companies to change "the game
rules" and attain leadership in their sphere of activities. The innovative
knowledge realization is said to be impossible without the fundamental
knowledge maintenance in the specific branch. The above requires that the
knowledge classification types be practically introduced in companies for
handling the arising problems and attainment of necessary competitiveness and
leadership.
Auth.
7.A4.5. Shaft-laboratory of
For
about two decades a new, effective form of training for mining engineers and
geologists has been used in
Auth.
7.A4.6. Typological peculiarities of an educational
system. /K.
Ramishvili, M. Bairamov/. Newsletters of
Analysis of different scientific directions in
the estimation of an educational system enabled the authors to represent the
system of educational institution as a complex psychological–pedagogical activity,
the core of which is the pedagogical reality. The article analyzes typological
peculiarities of the educational system.
Auth.
7.A4.7. Some theories of educational management. /Z. Chkhikvadze, L.
Tsikaridze, M. Zarkhozashvili/. Materials of
Educational management is a field of study
and practice concerned with the operation of educational organizations.
Educational management has to be centrally concerned with the purpose or aims
of education. These purposes or goals provide the crucial sense of direction to
underpin the management of educational institutions. Unless this link between
purpose and management is clear and close, there is a danger of “managerialism
- a stress on procedures at the expense of educational purpose and values”.
“Management possesses no super-ordinate goals or values of its own. The pursuit
of efficiency may be the mission statement of management – but this is
efficiency in the achievement of objectives which others define”.
Auth.
7.A4.8. On the conformity and neccesity of improving current
educational programs, specialities and academic degrees of higher education in
In the present research, based on the
appropriate critical analysis, the authors tried to show nuances of a newly
created classifier of granting of academic degrees (qualifications) of the Faculty
of Economics and Business, Bachelor's, Master's and PhD programs specialties,
in TSU and of a descriptor of higher education qualifications according to the
National Framework of Criteria, and to harmonize them with the principles of
the proposed Doctrine (Concept) of Dialectic Unity of Science and Scientific
Research Differentiation and Integration for ensuring comparability of their
conformity and facilitating the qualification recognition process at an
international level.
Auth.
À5. Informatics/Computer
Science
7.A5.1. On the applicability of
information technology to the estimation of the nonstationary pulse transitive
matrix in controlled multivariate dynamic processes. /G.Odisharia, N.Kukhalashvili, K.Kasoshvili, D.Odisharia/. GEN. – 2010. - #1. - pp.
10-12. - eng.; abs.: rus.
The work
deals with the investigation of the main properties of the estimation of the non-stationary
pulse transitive matrix corresponding to non-stationary differential models of
controlled multivariate processes. Earlier, similar investigations were
performed for stationary differential models.
Auth.
7.A5.2. The
results of estimation of non-stationary parametric matrix in controlled
multivariate dynamic processes by using information technology. /G.Odisharia, N.Kukhalashvili, K.Kasoshvili, D. Odisharia/. GEN. – 2010. - #1. - pp.
13-15. - eng.; abs.: rus.
The
article deals with the investigation of the main properties of the algorithm
estimating the parametric functions matrix corresponding to non-stationary
differential models of processes for the case when the parameter factors of
control vector components are taken arbitrarily.
Auth.
7.A5.3. Analysis of service
quality in data transfer networks. /M. Kiknadze, E. Gvaramia,
The
article describes the properties of data transmission in a computer network as
required by customers. Presented are the main parameters used as indicators of
service quality of some implementation models of service level.
Auth.
7.A5.4. On cryptographic methods of information protection in
the data transmission nets. /M. Kiknadze,
The
article considers the cryptographic algorithms of the information protection in
the data transmission nets. The classification of such algorithms is given and
the advantages of the data ciphering with open key are indicated. The questions
of electronic signature and the requirement to be met by a reliable
cryptographic system are discussed and formulated.
Auth.
7.A5.5. Information revolutions.
/V. Gogichaishvili/.
Materials of
High rates of the development of science and
technologies and their implementation brought us to the natural processes of
scientific technical revolution. Some revolutions – transformation of public
relations into the sphere of information processing and informational
technologies have taken place in the history of the development of
civilization. The revolution has already begun but it does not take place where
scientists, politicians, corporate chiefs and information industry are searching
for it, in general. This is not a revolution in devices, technologies, software
or in the data collection and transmission speed. This is a revolution of
concepts.
Auth.
7.A5.6. Priority M/G/1 system with some
restrictions. /R. Kakubava, D. Gulua, G. Pipia, V. Didmanidze/. Transactions of Technical University of Georgia.
- 2010. - #1(475). – pp. 81-84. – geo.; res.: geo., eng., rus.
The
work deals with a single-channel queuing system that can actually be any
technical system with a non‐deterministic load.
In consequence of some usual probabilistic considerations a mathematical model
for such systems is constructed. The main principles of simulation are
demonstrated when two simplest flows enter the system. A method for its generalization is proposed.
Auth.
7.A5.7. Simulation of some services consumer
behavior. /R. Kakubava, R. Kutateladze, G. Pipia, V.
Didmanidze/. Transactions of Technical
University of Georgia. - 2010. - #1(475). – pp. 85-88. – rus.; res.: geo., eng., rus.
The
article considers some important topics of utility structures. Namely, the
decision-making on a choice of the type of service by the consumer is identical
to the choice of a concrete point in the services space. Some initial
provisions are postulated, which are widely adopted in the utility theory. The
consumer behavior is simulated and investigated. An illustrative example is
considered and explicit numerical expressions are derived.
Auth.
7.A5.8. Georgian grid’s optimum daily
performance algorithm. /R. Samkharadze/. Transactions of Technical University of Georgia.
- 2010. - #1(475). – pp. 89-94. – rus.; res.: geo., eng., rus.
An
optimum daily performance algorithm of the Georgian grid is given. The
algorithm determines the TPP’s optimum daily performance and the fuel
consumption minimization criterion consisting of two components: (i)
consumption of fuel caused by power alterations at the TPP during adjacent
hours and (ii) consumption of fuel caused by changes in the composition of
power units at the TPP during adjacent hours. On the basis of multiple
experiments the type of penalty function and the numerical values of its
elements are established, under conditions of which the minimal fuel
consumption is achieved. The algorithm has been realized as a computational
component of the expert system constructed for power management of the Georgian
grid.
Auth.
7.A5.9. Practical determination of the volume
of power generation using the least−squares method. /G. Macharashvili/. Transactions of
Technical University of Georgia. - 2010. - #3(477). – pp. 66-71. – geo.; res.: geo., eng., rus.
The
science and engineering advances make it possible to improve the power
management process, which in the first turn implies the perfection of problem
solving techniques, where simulation and mathematical methods are used. Their
application will result in the obtaining of many alternate solutions and the
possibility of selecting the best one on their basis.
Auth.
7.A5.10. Simulation and analysis of the
M/M/4+3 system. /G. Amilakhvari, D. Gulua, G. Pipia/. Transactions of
The
article deals with the study of a stand‐by technical system
with two operation types (replacement and recovery). The recovery and
replacement period is made of exponentially distributed random variables. For
final probabilities of the state of system, by means of the mnemonic circuit, a
linear algebraic system of equations is written down. The economic efficiency
of the system functioning is determined.
Auth.
7.A5.11. The computer-imaging-based analysis
of a dynamic cardiac rate system. /I. Chkheidze, M.
Berishvili, L. Tokadze/. Transactions
of
The
graphic research methods of a dynamic cardiac rate system, based on the
determined chaos theory are considered. The obtained results graphically
demonstrate a difference in the change of indicators in healthy and sick
patients. The research of cardiac rate dynamics has shown that application of
the proposed methods allows carrying out an analysis of the properties of a
bio-medical system around the MathCAD program. The traced character of the
employed algorithms significantly simplifies the comprehension of the
peculiarity of their dynamic behavior and will assist doctors in making a
reliable diagnosis.
Auth.
7.A5.12. On the
The
question of convergence of the
Auth.
7.A5.13. Smart system of training process
quality evaluation. /I. Zedginidze, T. Menabde/. Transactions of
Methods
of analysis of the training process quality are given. In particular,
compilation of X, S, NP controlling maps makes it possible to timely identify
and correct the so-called “weak link”, to change the teaching material delivery
sequence, its content, etc. The presented analysis, made on the basis of the
above, enables to better evaluate the performance of the faculty, chairs and
the dean’s office.
Auth.
7.A6.1. On the issues of bibliometric rating in science. /V. Tevzadze, I.
Iordanishvili, Z. Charbadze, I. Iremashvili, K. Iordanishvili,
The paper reviews the
assessment methods concerning the existing rating of scientists, scientific
institutes and scientific journals, which made possible to reveal shortcomings
of these methods. The authors propose updated and comprehensive methods of
rating of the Georgian science-based products.
Auth.
B1. Mathematics. Mechanics. Physics. Cybernetics
7.B1.1. Simplified method for derivation of the
dispersion equations for the multilayer magnetodielectric-filled rectangular
waveguide. /S.Gdzelishvili/.
GEN. – 2009. - #2. - pp. 17-25.; eng.; abs.: rus.
A simplified method for derivation of
dispersion equations for finding the propagation constants of longitudinal
modes in the rectangular waveguide with longitudinal homogeneous N-layer isotropic magnetodielectric
filling is presented. The analysis is based on the use of the transfer matrix
of plane layer (TMPL) associating the field strength values of eigenmodes of
the structure at flat boundaries of the layer. The efficiency of the method is
due to the unified representation of the dispersion equation. This
representation includes a product of N
transfer matrices (TMPL), which are unimodular. A recurrent form of the
representation of the dispersion equation is given too.
Auth.
7.B1.2. On the electromagnetic compatibility of a dipole
antenna. /G.
Kevanishvili,
A new method for investigation of
electromagnetic compatibility (EC) and noise immunity (NI) of the active dipole
is presented. At the first stage, a new, correct solution of Hallen’s integral
equation relative to the axial current of the dipole is given. It is shown
that, besides the sinusoidal term caused by the action of e.m.f., applied to
the center of the dipole, it contains other, new terms created by the
interference of fields radiated by separate arms of the dipole. New formula
characterizing the radiation pattern of the dipole is concluded; so-called compatibility
function (CF) is introduced, while its analysis provides rather satisfactory characterizing
and description of EMC and NI of the dipole. Great number of numerous data is
presented, proving the effectiveness of suggested method of estimation and
improvement of EMC of the dipole.
Auth.
7.B1.3. Cryogenic condensation pump with joined
flange from below. /G. Dgebuadze, M. Mumladze, T. Sordia, L. Tsakadze, V.
Chanturidze/. Science and Technologies. – 2009. - #10-12. – pp. 8-12. – geo.,
abs.: eng., rus.
The
article proposes a cryogenic pump where helium is used as the cooling agent, which
allows the receipt of super high and super clean vacuum from the atmospheric
pressure with the pumping speed of up to 10-11 Pa with speed (³1000
m3/s). The cryogenic pump design and the values of the absorbed heat
streams by its constructive elements of different modification are given.
Auth.
7.B1.4. Bio-field and
radiating systems.
/L. Kadagishvili/. Science and Technologies. – 2010. - #4-6. – pp. 7-13. –
geo., abs.: eng., rus.
The
article presents in measurable functions the results obtained by heuristic
research of psychic processes and their analysis. In the case of time deficit while
revealing perceived information, the stream of consciousness receives a
wave-corpuscle image, meaning that the process is a quantum phenomenon. The
analysis shows us a mutually filling process of conscious and unconscious
processes, also the mutual twist - rotation towards each other. In nature,
everything which is formed by rotation creates a statistical torsion field. The
process quanta are elementary particles which are transmitters of information.
The unconscious serves as vacuum before becoming conscious in the psyche. Thus,
there appear the two simplest notions: a torsion field and vacuum. The vacuum
is a potential state of all kinds. If we follow this logic for quantum
processes, there will be as well an independent parameter - spin. The quantum
analogue of the parameter spin is an angular rotation momentum which gives
birth to its field, called as a torsion field. The torsion fields will be
created only in the objects having the spin, and this is a bio-field.
Auth.
7.B1.5. Definition of
parameters of kinetic equations of creep and rupture during large deformations. /O. Kikvidze, P.
Kipiani, A. Chumbadze, L. Kikvidze/. Science and Technologies. – 2010. - #4-6.
– pp. 47-51. – geo., abs.: eng., rus.
The
article considers the worked out techniques for determining the characteristic
parameters of creep and rupture kinetic equations. Formulas for calculation of constants
are obtained and their values for concrete cases are found.
Auth.
7.B1.6. Theoretical research
of estimation parametres of passability of a wheel on a deformable ground. /A. Geguchadze, D.
Topuria, R. Chabukiani/. Science and Technologies. – 2010. - #7-9. – pp. 57-61.
– geo., abs.: eng., rus.
The
authors propose the methods of theoretical and practical definition of passability
of wheel cars on a deformable ground. The physical essence of passability on a
deformable surface is defined and the method of measurement on stand and the
formula are developed for the passability calculation by the specified method.
Also, formulas allowing for theoretical calculation of the pulling-coupling
properties of a wheel on a deformable ground are analytically developed.
Auth.
7.B1.7. Circular flow and the
issue of overcoming the Carnot cycle efficiency. /A. Aptsiauri/.
Georgian Scientific News.
– 2010. - #1(5). – pp. 7-14. – rus., abs.: geo., eng., rus.
Analysis of the Kueet flow of gas by
the entropy technique with a focus on energy assessment of the flow is
demonstrated. Accordingly, the Kueet flow is considered as a thermal pump and
it is demonstrated that the efficiency of such a pump exceeds the Carnot reversible
cycle efficiency when the Prandtl number verges towards zero. The same flow is
shown to be the basis for making a paradoxical thermal engine and it is
grounded that the basic obstacle for realization of a perpetuum mobile of the
second kind is the physical resistance of real bodies rather than the
temperature equilibrium of the environment.
Auth.
7.B1.8. The Riemann boundary value problem for
analytic functions in the frame of Grand Lp) spaces. /V. Kokilashvili/. Bulletin of the
We solve the Riemann boundary value problem for
analytic functions in the class of Cauchy-type integrals with the density in
the grand Lebesgue Lp)(Γ) spaces.
We consider the case when a coefficient in boundary condition is everywhere non-vanishing
continuous function and the right side function belongs to the same Lp)
space. The solvability conditions are established and the explicit formulas for
solutions are given.
Auth.
7.B1.9. On the regression estimation in a Hilbert space. /E. Nadaraya, P. Babilua, G. Sokhadze/. Bulletin of the
The problem of estimation of a regression curve in
an infinite dimensional space is considered. Such problems arise in the
statistics of random processes. Observation data in such processes is a pair
whose one component is an element of an infinite dimensional space. It is shown
that the finite dimensional projections of observations and the regression
curve estimators constructed on their basis give an approximation of a
regression function in the initial space. The method of infinite dimensional
analysis and in particular the notion of the logarithmic gradient of a
distribution function are used.
Auth.
7.B1.10. On the notion of generalized spline for a
sequence of problem elements sets. /D. Ugulava,
D. Zarnadze/. Bulletin of the
In the present paper the notion of spline is
generalized for the case where not one set of problem elements, but a
decreasing sequence of problem elements sets on a linear space is given. The
generalized interpolation spline realizes a minimum not only of the metric, but
also of the corresponding Minkowski functional. The necessary and sufficient
condition for the existence of generalized spline for arbitrary non-adaptive
information of cardinality 1 is given.
Auth.
7.B1.11. The lattice of fully invariant submodules of
a reduced cotorsion p-adic module. /T. Kemoklidze/. Bulletin of the
The paper considers the lattice of fully invariant
submodules of a reduced cotorsion p-adic module T•⊕C, where T• is a countable direct sum of torsion-complete p-groups, and C is a torsion-free,
algebraically compact group. It is shown that this lattice is isomorphic to the
lattice of filters of a semi-lattice made up of infinite matrices and
indicators.
Auth.
7.B1.12. Maltsev bases and triangular representations
of tensor products of Abelian groups. /M.
Amaglobeli, V. Remeslennikov/. Bulletin of the
The paper is dedicated to the construction of
Maltsev bases and triangular representations of tensor products of Abelian
groups.
Auth.
7.B1.13. Basic advantages of integrated circuits made
on the structure of “silicon on sapphire”(SOS). /R. Kazarov, R. Chikovani, G. Maglakelidze/. Bulletin of the
Development of an integrated circuit using silicon
on sapphire (SOS) structures, namely, constant memory device, fulfilled on the
basis of vertical diode structure, is described. An optimal technological route
of creation of a diode matrix on SOS with account of obtaining isolated
“islets” of silicon parameters of matrix is introduced. Complete technological
cycle of diode integrated circuits on SOS is given. The obtained diode matrix
was used in constant memory blocks of radioelectron devices for space and
submarine apparatus. Interesting assumptions about the prospective of
exploitation of SOS structures in nanoelectronics in order to create solid
state optoelectronic devices using nanosilicon in SOS structures are reported.
Auth.
7.B1.14. Investigation of the role of negatively
charged impurity centers in formation of inverse distribution of photoelectrons;
the kinetics equation and formation of the inverse distribution function. /E. Khizanishvili, Z. Kachlishvili, M. Khizanishvili, M. Gigauri/.
Bulletin of the
The active medium with the inverse charge carrier
population is known to form the basis of up-to-date semiconductor masers and
lasers. This population can be created by various actions, including electron
generation and heating towards the conductivity region by means of
electromagnetic radiation (photoheating). The objective of our study was to
find the conditions for formation of regions of hot photoelectron distribution
when their lifetime is controlled by trapping either negatively or positively
charged impurity centers for different energy relaxation mechanisms, both
quasi-elastic and strongly inelastic.
Auth.
7.B1.15. Influence of arsenic on the physical-mechanical
characteristics of monocrystalline Si99.97 Ge0.03: as
solid solution. /I. Kurashvili, E. Sanaia, G.
Bokuchava,
Physical-mechanical characteristics amplitude
dependence of arsenic-doped monocrystalline Si99.97Ge0.03:
As solid solution in the temperature range of 20-
Auth.
7.B1.16. On one nonlinear dynamic iterative method of
structure analysis. /G. Gabrichidze/.
Bulletin of the
The paper discusses one method of structure analysis
given in European Standard EC-8, part 3, the essence of which can be formulated
as follows: the response spectrum analysis of structure to full seismic action
without the reduction coefficient is conducted, and verification of structure
elements in the field of the obtained displacements is carried out to see how
much they comply with this field of displacements. We propose to continue this
procedure by way of iteration, the aim of which is to make more accurate the
obtained solution. The paper presents the description of this iteration process
and its demonstration with simple example is given. The method can be extended
to tasks of dynamics when time participates in explicit form.0000
Auth.
7.B1.17. Low concentration of the current carriers in doped IV-VI semiconductors at
"negative" pressure. /O.
Davarashvili, L. Bychkova, M. Enukashvili, M. Dzagania/. Proceedings of the
It is shown that such impurities as, for example, In and Cr essentially
influence the elastic properties, width of the forbidden gap and concentration
of the current carriers in IV-VI semiconductors' layers. A degree of such
influence depends on a mismatch of a layer with a substrate and its
orientation. The conditions corresponding to "negative" pressures, at
which the width of the forbidden gap increases, and stabilized Fermi level
connected with an impurity in its depth, are realized. For the first time, the
algorithm for calculation of the energy position of an impurity level is
developed for the strained semiconductor. It is also shown that the concentration
of current carriers under such conditions is considerably lower and it is
connected with the change of the energy spectrum of the current carriers rather
than with compensation.
Auth.
7.B1.18. Analysis of the results of experimental and
theoretical study of a hydraulic hammer resulting from liquid flow separation from
the stop valve of the pressure line. /L. Makharadze,
A. Sharikadze/. Mining
Journal. – 2009. – #2(23). – pp. 48-55. – geo.; abs.: rus., eng.
The
article gives an analysis of the results of theoretical and experimental study of
a hydraulic shock, originating from the separation of liquid flow (water,
hydromixture) from the stop valve of a pressure line upon its rapid closure;
compared are the basic parameters characteristic of the process, in particular,
speeds of the separated flow in direct and reverse directions, the vacuum zone
pressure (dilution) formed as a result of the separated stream, etc. The
convergence of the parameters has been determined, which is of great importance
for their engineering-practical calculation within the permissible limits.
Auth.
7.B1.19. Computer
program of calculating operational and construction parameters and investigation of
effectiveness of reliable means for pressure systems protection from water
hammers. /L. Makharadze, K. Khatiashvili, A. Sharikadze/.
Mining Journal. – 2009. – #2(23). – pp. 55-62. – eng.; abs.: geo., eng.
The results of
theoretical and experimental researches of the effective and reliable means of
protecting pressure systems from water hammers are described. The working parts
of the water hammer alleviator are made of elastic elements in the form of: toruses,
spherical spheres, hoses made of elastometers and filled with air. In the
theoretical part the generalized algorithm is designed, allowing to consider
all hydrodynamic parameters during a non-steady process; working and
construction parameters of a water hammer alleviator; physical-mechanical
performances: of the air, as the basic damping element; the material from which
pipelines are made; the material from which elastic element of water hammer
alleviator are made. This algorithm is the basis of developing any computer
program for computing these water hammer alleviators. The legitimacy of the
implemented theoretical analysis, the gained mathematical calculated
dependences and the computer program accordingly is validated by experience on a
semi-industrial experimental laboratory stand, and the efficiency and
reliability of water hammer alleviator - on large-scale hydrotransport systems.
Auth.
7.B1.20. The analysis of work of three phase rectifiers on the power supply of a
plasma arc with the rectangular characteristic. /D. Gelenidze, G. Gogia, Z.
Batkhadze, M. Gelenidze/.
Mining Journal. – 2009. – #2(23). – pp. 63-67. –
The new principle of
reception of the rectangular characteristic of the power supply is described in
this article. The analysis of work process of a three-phase rectifier on the
power supply with the rectangular characteristic is carried out and design
specifications of the rectifier are defined, namely: sizes of return pressure
on diodes, currents in diodes, linear and phase pressure of a secondary winding
of the power transformer, linear and phase pressure of a primary winding of the
power transformer, linear and phase currents of a secondary winding of the
power transformer both linear and phase currents of a primary winding of the
power transformer are defined. It is shown, that the power supply with the
rectangular characteristic provides stable work of a plasma arc.
Auth.
7.B1.21. Computer
modeling of start-up process of a cableway drive. /B. Geleishvili, G. Javakhishvili/. Mining Journal. – 2009. – #2(23). – pp.
69-72. – geo.; abs.: rus., eng.
Problems
of matching of arguments, adjustment and the assaying of an automatic control
system of a drive of a cableway after the example of Chiatura passenger cableway
‘Center-Naguti’ are surveyed. As a result of development of a computer model of
the existing system, it is established that the maximum acceleration of the
drive upon start-up exceeds the safety operation standards. For elimination of the
problem, a speed limit device is additionally provided in the automatic control
system. The numerical experiment was carried out with the aid of a software
package of Matlab and Simulink.
Auth.
7.B1.22. Hot shock
wave synthesis and treatment of artificial diamonds. /E. Chagelishvili,
The phase transformation of graphite into diamond is investigated
in the Cu-graphite mixtures after a two-stage hot shock wave treatment. The
Cu-graphite bland powder was initially was placed into a cylindrical container
and compressed at 10GPa. The obtained billets were cut onto cylindrical samples
with dimensions 500x500mm and re-loaded under hot conditions by plane shock
waves through the aluminum flying plate. As the investigation showed, after the
treatment/loading of preliminary consolidated Cu-graphite blend powders under hot
conditions, the graphite transforms into diamond. Depending on the temperature
of targets, the loading conditions and the deepness of propagation of shock
wave in the target, the structure and morphology of the transformed diamonds
change. The above-mentioned and other features of the graphite-diamond phase
transformation under dependent or loading conditions will be described too.
Auth.
7.B1.23. Fabrication of WC-NiAl composites by hot explosive consolidation: a
structure/property relationship investigation.
/A. Peikrishvili, L. Japaridze,
L. Keskes,
Wc-NiAl powder mixtures were formed into
cylindrical rods and tubes using a hot explosive consolidation process. Hot
explosive consolidation was also applied to form WC-NiAl coatings on
cylindrical steel surfaces as well. The WC-NiAl composite consisted of WC
particles dispersed in a Ni-Al matrix, made from a Ni-clad Al precursor powder,
wherein each Al particle is coated by a Ni layer. The consolidation temperature
was varied from room temperature to
Auth.
7.B1.24. The calculation
of a pneumohydraulic storage battery. /L. Makharadze, A. Sharikadze/. Mining
Journal.
– 2010. – #1(24). – pp. 74-82. – geo.; abs.:
rus., eng.
Considered is a procedure for calculation of a pneumohydraulic
storage battery, to the upper part (in immediate proximity of cover) of which
additional elastic volumes filled with air - prepared from the metal bellows
are connected, which increase the effectiveness of their work to a considerable
degree, especially when in the delivery conduit, hydraulic hammer originates
and breaks the continuity of fluid flow and the rarefied zone (vacuum) is
formed; the generalized algorithm of the calculation of the analogous damping
devices of hydraulic hammers, which legitimacy is confirmed by experimental
researches at the laboratory stand is developed.
Auth.
7.B1.25. Calculation of key parameters of vacuum mechanisms of driving
vacuum-drum. /N. Molodini, R. Molodini/. Mining
Journal.
– 2010. – #1(24). – pp. 85-87. – geo.; abs.:
rus., eng.
The methods of calculation of a self-supporting
vacuum mechanism is discussed in the article. There are also given the formulas
and norms of SVM (pistons, cylinders and other key parameters), also the ways
of creation of a compact vacuum-drive with a high pulling factor. The vacuum-drum
key parameters are calculated for dry and liquid friction as poly-tropical and
isothermal expansion of air. It is proved that in liquid, i.e. in the non-rigid
hydrodynamic operating mode, the pulling factors of a drive are much higher,
while dimensions are considerably compacter.
Auth.
7.B1.26. Calculation of a safe distance during underwater blasting
operations. /N. Bochorishvili, A. Neverov,
The processes taking place during
underwater blasting of shots are considered. The data on danger that may be
caused to persons working under water by the excessive pressure resulting from
blasts within the shock wave front are given. The available safety regulations
provide only minimum values of safe distances which in most cases are insufficient
and the persons concerned might be badly injured. The article provides recommendations
for calculating safe distances and preventing possible injuries.
Auth.
7.B1.27. On combination scattering of light. /K. Gorgadze, G.
Chikhladze, T. Peradze/. Newsletters of
The article treats the combination scattering
of light from two points of view, based on the principally different theories –
quantum and classic. It is shown that the explanation of the same phenomenon
from different positions and views simplifies the correct perception of the
phenomenon, its study and application. The combination scattering of light is studied
in crystals and liquids.
M.
Kopaleishvili
7.B1.28. Induced combination scattering of
light.
/K Gorgadze, G. Chikhladze, T. Peradze/. Newsletters of
The article deals with the induced
combinatory scattering of light. The reason and the mechanism of rising of this
phenomenon are shown. It is pointed out that due to the nonlinearity of
absorbing-scattering medium the resonant phenomena arise tending the strong
oscillations of nuclei of atoms of the medium; as a result, the induced
combinatory scattering of light is observed.
M. Kopaleishvili
7.B1.29. Inversion of the distribution function of photoheated charge carriers during
their capture by oppositely charged centers. /E. Khizanishvili, M.
Khizanishvili/.
Studied is the probability of creation of
inverse distribution function of photoelectrons during capture on the
attractive Coulomb centers in the strictly determined conditions, when thermal-collision
(TC) mechanism dominates. It is established that when inelastic processes of
energy scattering control electrons lifetime 
the inverse form
of distribution function can be also obtained on the positive centers during
the capture. This was impossible in the process of capture during domination of
lax cascade mechanism.
Auth.
7.B1.30. On
bundary pressure origination upon water
hammer. /Z.
Charbadze/. Collected Papers of the
This
paper assesses pressure at the boundary barrier at the moment of a water hammer.
It has been f ound that pressure is not fixed during the whole period of
contact with the barrier. The solution of the specific problem requires that
the current process be examined and assessed as a whole and only after that be
divided into intervals. Thereafter, the interval having the most impact on the
erosion process should be selected.
Auth.
7.B2.1. Treatment of
copper-bearing water in plating plants. /R. Gotsiridze, L. Kontselidze, L. Loria, A.
Ispirian, T. Kajaia, N. Meparishvili/. Science and Technologies. – 2010. -
#4-6. – pp. 17-19. – geo., abs.: eng., rus.
The
article presents a scheme of operation in the circulatory mode of an
electrodialysis plant without feeding a solution to saline tract. The scheme is
used for treatment of water in galvanic production. The combination of two
electrodialysis plants and using storage capacity allow creating a closed
system of the water-supply for washing details after the coppering process.
Auth.
7.B2.2. The biochemical adaptation mechanisms of living organisms
to water deficit. /N. Aleksidze,
M. Tarasashvili, G. Aleksidze/. Science and Technologies. – 2010. - #4-6. – pp.
20-28. – geo., abs.: eng., rus.
The
article deals with the problem of water deficit having arisen under the impact of
aggressive ecological environment that endangers the living world, as well as
with biochemical mechanisms of adaptation to water deficiency in various
organisms. It is shown that the processes of adaptations involve low-molecular
compounds and specific proteins; in parallel, the transformation of tissue
structures takes place.
Auth.
7.B2.3. The early postmortal changes of the honeybee body image
during gas-discharge visualization (GDV). /R. Gagua, V. Osmanova, E. Gedevanishvili, L.
Giorgobiani, A. Kapanadze/. Science and Technologies. – 2010. - #4-6. – pp.
32-34. – geo., abs.: eng., rus
The
article deals with the technology of obtaining of GVD images of a honeybee without
premedication developed by using Prof. Korotkov’s GDV technique (
Auth.
7.B2.4. Hepatoprotective
effect of verapamil during hemorrhagic shock in an experiment. /M. Gvaladze, T. Gegeshidze, Gr. Sulaberidze, G. Didava, M. Chkhaidze,
During
a hypoxic state, including during a period of hemorrhagic shock, lyses of the liver
parenchymal cell membranes occurs due to calcium ion excess. The membrane
protection from such a pathologic process is theoretically possible by the
calcium-channel blocking agent – Verapamil, which was used to study its
hepatoprotective effect. Modelling of the hemorrhagic shock was performed by the
method of Wiggers-Feine. Blood was exfused from sedated male cats (Nembutal
40mg/kg, intravenous blood exfusion 40ml/kg) till arterial blood flow drop to
40 mm/Hg (HS60). During artificial ventilation - 130-150 ml/min/kg in the
period of 1 hour, pH in the arterial blood was 7,35-7,45, PO2 –
90mm/Hg, airflow measurement was controlled by “
Auth.
7.B2.5. Intensification of ultrafiltration process of gamma globulin solution. /Sh. Rukhadze, R. Lomaia/. Georgian Scientific News. – 2010. - #1(5). –
pp. 49-54. – rus., abs.: geo., eng., rus.
The work gives the advantage of
application of a membrane division process upon product ion of gamma globulin,
as compared with the existing standard methods, also the core regimes and
design of membrane devices are established. It has been established that during
a pulsing mode of flow, the membrane permeability without pulsation increases
and achieves maximum in the area δ=1,2.
It is revealed that for concentration of gamma globulin, the best membrane is ÓÀÌ-450.
It is shown that at pressure Ð=0,1±0,01 mp, speed
of division makes 65 l/m2h.
Auth.
7.B2.6. Dehydration of
hydrosilylation products of α-glycols containing terminal
acetylene bond. /K. Cherkezishvili,
R. Kublashvili, K. Giorgadze/. Bulletin of the
Dehydration reaction (pinacoline rearrangement) of
hydrosilylation products of some α-glycols
containing terminal acetylene bond is studied. Dehydration products (products
of pinacoline rearrangement) are isolated and identified. Comparison of these
products with products formed under conditions of hydrosilylation (Speier’s catalyst
in isopropyl alcohol) of acetylene α-glycols allows concluding that in the latter case pinacolines are not
formed.
Auth.
7.B2.7. Thermodynamic analysis
of CoO, NiO, CuO, FeO interaction with methane. /J. Bagdavadze, A. Kandelaki, K. Ukleba, Z. Tsikaridze/. Bulletin of the
Complete thermodynamic analysis of reduction of CoO,
NiO, CuO, FeO by methane is presented. Initial structures have been chosen on
the basis of the following reactions: 1. CoO (cd) + CH4(gas);
2. NiO(cd) + CH4(gas); 3. 4CuO(cd) + CH4(gas);
4. 4FeO(cd) + CH4(gas); 5. 4FeO(cd) + 2CH4(gas).
The calculations are performed at atmospheric pressure in the temperature range
300-1500 K with application of computer program ASTRA-4. The basic results are
presented in the form of diagrams (dependence of the contents of components on
temperature).
Auth.
7.B2.8. The regularities of electrolytic
dissociation of camphoric acid. /E.Kvaratskhelia,
R. Kvaratskhelia, R. Kurtanidze/. Bulletin of the
The parameters of dissociation of camphoric acid in
its dilute (0.0001-0.01M) solutions were determined with the aid of original
exact and approximate equations.
Auth.
7.B2.9. Effect of geographic
origin of sea buckthorn on the triacylglycerol composition of its fruits. /A. Vereshchagin, V. Tsydendambaev/. Bulletin of the
Separate geographic forms of sea buckthorn (Hippophae
rhamnoides L.) are characterized not only by different composition of
triacylglycerols (TAGs) of their fruit mesocarp oil, but also by a different
biosynthetic pattern of the TAGs. Siberian, Central Asian, and Baltic forms
contain TAGs, which include mostly hexadecenoic (C16:1) and palmitic
(C16:0) fatty acid (FA) residues and are synthesized according to
the theory of 1,3-Random, 2-Random Distribution of FAs between the respective
OH groups of glycerol. At the same time, the mechanism of formation of TAGs of
the Caucasian form rich in the residues of C16:0 and octadecenoic
acid (C18:1) is in accordance with the theory of Restricted Random
Distribution of FAs. The occurrence of two different patterns of TAG
biosynthesis in the mesocarp of the same biological object is demonstrated here
for the first time. As for seed oils, the geographic forms studied here
virtually do not differ from each other in the FA composition of their TAGs.
Auth.
7.B2.10. Molecular mechanism
for the phylogenetic change of thermostability of fibril-forming collagen.
evidence that (Gly-X-Hyp) triplets are main factors determining stability of
collagen. /T. Burjanadze, E. Kiziria,
Published data relating the concentration of
4-hydroxyproline residues to the stability of collagen was used to estimate the
different effects of two types of triplets: (Gly-X-Hyp) and (Gly-Pro-Hyp). The
data comprised mainly fibril-forming collagens, which exhibit highly
cooperative helix-coil transitions at temperatures that are remarkably close to
body temperature. A wide range of denaturation temperatures was therefore
ensured by including collagen from different species of fish, including some
living in the arctic, amphibians and mammals. As a first approximation, the
dependence of the denaturation temperature, Td, of collagen on
hydroxyproline content was considered as a linear function: Td=
T0 + K1N(GXO) + K2N(GPO),
where the coefficients K1 and
Auth.
7.B2.11. Influence of iron
ions on the electrode properties of manganese dioxide. /G. Tsagareli, N. Maisuradze, L. Batsanadze, A. Shakarishvili, Sh.
Makhatadze/. Proceedings
of the
During electrodeposition of manganese dioxide
temperature decreasing of the stock solution and the anodic current density
increasing led to the bath voltage and oxygen evolution rise. Ferrous ions
addition to the electrolyte gave the same result. Such behavior has been
explained by including iron impurity into manganese dioxide which resulted in
anode polarization and oxygen evolution increasing. Influence of the iron ions
on the electrode properties.
Auth.
7.B2.12. Manganese dioxide
powder preparation for chemical current source. /G. Tsagareli, N. Maisuradze, L. Batsanadze, A. Shakarishvili, Sh.
Makhatadze/. Proceedings
of the
Manganese dioxide powder has been prepared by electrochemical method at
low temperature in the bulk solution. It has been shone, that manganese dioxide
prepared in presence of polyvinyl alcohol or aniline addition to the
electrolyte increased by 33% alkaline sell capacitance.
Auth.
7.B2.13. Pyrroloindole.
Condensation Reactions of the base 3,8–diformyl-1H, 10H–benzo[e] pyrrolo[3,2-g]indole.
/Sh.
Samsoniya, M. Trapaidze, N. Nikoleishvili, N. Kuprashvili, D. Zurabishvili, U.
Kazmaier/. Proceedings of the
The condensation reactions of
3,8-diformyl-1H,10H-benzo[e]pyrrolo[3,2-g]indole with the following
nucleophilic agents - aniline, p-adamantylaniline and thiosemicarbazide, were
carried out in order to synthesize new biologically active compounds. The nucleophilic
addition and elimination reactions were accomplished in area of ethyl alcohol,
pH 4-5. Bifunctional Schiff-bases-dianyle, diadamantylanyle and
dithiosemicarbazone, containing benzopyrroloindole rings were synthesized.
Auth.
7.B2.14. Modified semiconductor structures for infrared lasers. /O. Davarashvili, M. Enukashvili, T. Kamushadze, Sh. Mirianashvili, M.
Dzagania/. Proceedings
of the
The article proposes a new approach for increasing the internal quantum
efficiency by doping active layers by special impurity that decreases their
lattice constant. Together with high heterobarrier, this factor will cause
increasing of operating temperatures of the lasers. Such impurities facilitate also
the laser effect on several frequencies simultaneously. It is realized in the
strained layers on the dielectric substrates and in the structures with two or
three active layers.
Auth.
7.B2.15. Investigaion of lead selenide‘s epitaxial layers at opposite signs of
deformation. /G. Gegiadze, R. Gulyàev, O. Davarashvili, M. Enukashvili, A.
Berdzenishvili, M. Dzagania/. Proceedings of the
The results of an investigation of thin
strained layers PbSe, grown on NaCl and KCl substrates are presented in this
article. It is revealed that maximal rest elastic deformation is limited by
defects in the substrates. Negative mismatch – 50% from whole mismatch on the
KCl substrates is achieved. Increasing of the width of the forbidden gap may
correspond to 120-130 MeV.
Auth.
7.B2.16. Quantum-chemical
modeling of the mechanism of formation of the peptide bond. /T. Zarqua, J. Kereselidze, Z. Pachulia, M. Qvaraia/. Proceedings of the
The article is devoted to quantum-chemical
modeling of the mechanism of formation of a peptide bond. The new mechanism of
formation of the peptide bond is offered, which can be used for regioselective
synthesis of protein, by means of an irradiation by Femtosecond Laser Pulses.
Auth.
7.B2.17. Dehydration of liquefied gas by zeolites. /T. Andronikashvili, L. Eprikashvili, T. Kordzakhia/. Proceedings of the
The paper discusses some aspects of the
dehydration of various gas systems for household and industrial use by
synthetic and natural zeolites.
Auth.
7.B2.18. Thermodynamic analysis
of a series of composites of B-O-N-C heterogeneous system. /D. Eristavi, A. Gogishvili, A. Sarukhanishvili, N. Bibiluri, N. Kutsiava/.
Proceedings
of the
Thermodynamic
analysis of series of composites of B-O-N-C system containing (weight %): B2O3
- 52.0838, N2 - 20.9582, C - 26.958) at alternating amount of
carbon from 0.25 to 10.0 mole was performed. Phase diagrams were construed for
various temperatures within the frames of 800 - 3800Ê. Optimal conditions of
obtaining of target products were defined according to the content of the
composites and temperature.1
Auth.
7.B2.19. The influence of
diffraction grating to the analyzed light waves train’s length. /A. Rcheulishvili/. Proceedings of the
The diffraction grating is more and more applicable
in studying the light spectrum. This is because of its advantage (benefit)
comparative with other devices with the same functions. The grating not only
effectively decomposes the light on it, but also changes some light properties.
For example, if the light waves train with the given wave length that falls on
the diffraction grating contains the equal amplitude of n number absolute waving (n
impulse), with the diffraction grating influence the mentioned waves train’s
length will become n+N-1, where N is the number of transparent splits of
diffraction grating. The influence of diffraction grating make the amplitudes
of waves train’s impulses change. The influence of grating make the waves
train’s amplitudes grow during the waves of N number. Then the waving
amplitudes are equal, as to the last waving, it happens with the reduced
amplitudes. The amplitudes change step by step.1
Auth.
7.B2.20. Artificial gels -
gelatin and agar-agar, their properties
and applications. /I. Berdzenishvili, M. Siradze/. Proceedings of the
The classification of gels is given. It is
shown that concentration of solution, nature of molecules and dispersion
medium, temperature, time factor, electrolytes, pH of medium influence the
process of gelation. Agar gels are much denser than those of gelatin and set
and melt at a higher temperature. The received results make it possible to
optimize the process of production of new products.
Auth.
7.B2.21. Physicochemical research
of some hydrosulfuric curative waters. /G. Jincharadze,
In hydrosulfuric waters of
Auth.
7.B2.22. Simultaneous electrochemical
production of copper and manganese dioxide in one electrolyser from nitric acid
solutions. /I.
Kakhniashvili, J. Shengelia, D. Ekvtimishvili/. Proceedings of the
The simultaneous process of electrodeposition
of copper on the cathode and manganese dioxide on the anode has been studied in
nitric acid solutions in an electrolytic cell with diaphragm. The optimal
parameters of the process were established.
Auth.
7.B2.23.
The crystal structure of barium hydroacetate
– Ba2(CH3COO)2H2[H(CH3COO)3H2[(CH3COO)3]
was determined on CAD-4-SDP diffractometer. The technical part of analysis was carried
out in IREA (
; registered - 4784 reflexes, used – 3258; R=3,8; Rw=4,8.
Auth.
7.B2.24. Zeolites in the process
of desiccation of organic solvents and oil-products. /T. Andronikashvili,
T. Kordzakhia, L. Eprikashvili,
Some aspects of application of synthetic and
natural zeolites in the process of desiccation of organic solvents and
oil-products are shown. The research of application of zeolites in the process
of liquid-phase desiccation of several oil-products proved the expediency and
perspectives of their application.
Auth.
7.B2.25. Diffusional mismatch in semiconductor heterostructures:
conditions of occurrence and ways of overcoming its negative influence on
radiative devices. /O. Davarashvili, G. Darsavelidze, L. Bychkova, M. Enukashvili, M.
Dzagania, A. Pashaev, V. Aliyev, V. Zlomanov/. Proceedings of the
The ways of overcoming negative consequences of mismatch of lattice
constants in the heterostructure layers caused by diffusion of components in
the process of epitaxial growth are shown after the example of heterostructure
of type PbSeTe/PbSnSeTe. The heterostructures with active layers both less than
inverse and more than inverse compositions are considered. For the first time,
conditions when "pulling up" of a composition of the emitter to the composition
of an active layer or doping of layers allows improving characteristics of
radiative devices are established.
Auth.
7.B2.26. Investigation of rheological properties of Co-Fructose-Askangel. /Ts. Gabelia, L. Japaridze,
The process of structure formation in high dispersed
and Co-fructose-askangel suspensions has been studied. By determining the rheological
parameters, it has been established that Co-fructose-askangel in (pH=2) suspensions
with a short decay period makes one-degree-lower-strength structures as
compared with superfine askangel. The presented data corresponds to the requirements
to medical compounds.
Auth.
7.B2.27. Study of the effect of inhibitors on the photochemical
oxidation of petroleum bitumen. /E. Usharauli,
The
main sphere of application of oil asphalt is highway engineering and industrial
objectives. Along with other factors, the stability of road bitumen is defined
by the effect of sunlight causing its untimely deterioration. The article
presents the results of investigation of photochemical oxidation of high
boiling fractions of Norio oil and revealing of the effective and accessible
inhibitors for this reaction.
Auth.
7.B2.28. The application of laumontite in vegetable growing. /S. Urotadze, T. Kvernadze,
N. Osipova, L. Japaridze, Ts. Gabelia, E. Salukvadze, L. Kashia/. Proceedings
of the
The effects of
natural zeolite-laumontite, both in its natural state and treated by iron
chelate on the growth of various vegetables (tomatoes, onions, eggplants, and
pepper) have been studied under laboratory conditions. According to the study results,
it has been established that laumontite, treated by iron chelate, has positive
effects on the growth, development, and yield of the above-said vegetables.
Auth.
7.B2.29. Investigation of nano-modification
of alunite-containing rocks with sulfur oxide for the purpose of their use as a
cement additive. /G.
Tsintskaladze, R. Skhvitaridze, B. Keshelava, T. Sharashenidze, G. Tatarashvili,
M. Burjanadze/. Proceedings of the
A possibility of nano-modification with
sulfur oxide of alunite-containing rocks from the Adjara deposit has been
investigated for the purpose of their application as a cement additive. The
structural changes having place upon modification of these materials are
examined, and the content of SO3 has been established.
Auth.
7.B2.30. On the classification of synthetic diamonds under conditions of
reagentless electroflotation. /N. Gegia, G. Zviadadze/. Proceedings of the
Some questions on the
classification of synthetic diamonds with electric flotation have been
considered. Based on an analysis of the processes defining the hardness and the
strength of solid bodies, it has been established that the resistance of
diamonds must be characterized by their hardness. Proceeding from the complex
structure of the electronic double layer in interphase of solid phase (diamond)
and liquid phase (electrolyte) and the mobility of the diffusion layer, the
advisability of the electrokinetic potential determination for analysis of
electrolytic flotation is stressed. The determination results evidence a direct
dependence of the electrokinetic potential on electrolyte concentrations and
size of particles of synthetic diamond powder.
Auth.
7.B2.31. Prospects of Norio oil residue utilization for production of road
bitumen. /L. Topuridze, G.
Khitiri, T. Gabunia, T. Shatakishvili/. Proceedings of the
Based on the investigation of the physical and chemical properties and
of the chemical group composition of high-molecular Norio oil residue, the
residue is found to be the applicable raw material for the production of road
bitumen.
Auth.
7.B2.32. Possibility of practical
use of modified lignins. /M. Jeiranishvili, V. Khanikian/. Proceedings of the
Two directions of processing chemically
modified lignins are analyzed: the large-tonnage thermochemical processing
technique and the small-tonnage one directed at production of bioactive
compounds.
Auth.
7.B2.33. Chemical modification
of grapevine waste lignin. /M. Jeiranishvili/. Proceedings of the
The ways of extraction and chemical
processing of lignin from large-tonnage grapevine waste are considered. Chlorination
and amination are selected as the chemical modification methods. The optimal conditions
for preserving the basic structures of lignin are selected and discussed
Auth.
7.B2.34. Miticidal activity of an ointment
preparation on Rhipicephalis sanguineus
mites. /G.
Chimakadze, O. Lomtadze/. Proceedings of the
A miticidal ointment preparation of prolonged action
has been developed where the synthetic pyrethroid - cypermetrine is used as the
main active substance, while the montmorollonite Askana clay (enriched form)
and natural carbohydrates (mineral oil, Vaseline) are used as ingredients. The
ointment activity was tested on three adult dogs and five puppies infested with
the Rhipicephalis sanguineus species
mites. The results of the carried out experiments proved that in 10 minutes
after treatment of the animal skin with the preparation the semi-hungry and
hungry imagos were paralyzed and died within 24 hours. The satiated female
mites were paralyzed in 10-20 minutes after contamination, the paralyzed and
dead mites falling from the skin after 35-40 hours. None of the female imagos
collected from the treated skin revealed the egg-laying ability. Their death
was fixed after 4-5 days.
Auth.
7.B2.35. New ways of getting
arsenic sulphide - Arsenic(V)-Stibium (V)-Oxide. /M. Rusia, M.
Kopaleishvili, K. Giorgadze,
The work deals with new methods of production
of arsenic sulphide - Arsenic(V)-Stibium (V)-Oxide. Synthesis of the
aforementioned compounds was carried out by treating the arsenic-containing
extract and the produced Stibium(V)-Oxides with a weak mixture of pentaoxide
ammonium. By transformation of the intermediate product - arsenic acid the
target product is obtained.
Auth.
7.B2.36. A comparative assessment of the results of differential-impulse polarographic and roentgeno-fluorographic
spectroscopy methods of analysis of heavy metals in a biological sample (tree
leaves). /T.
Chelidze, L. Enukidze, N. Khavtasi, M. Chankashvili,
The present work
deals with the determination of the content of heavy metals in a biological
sample (tree leaves) by means of the differential-impulse polarographic and
roentgeno-fluorographic spectroscopy methods. The obtained results show that the
both methods can be applied for the quantitative determination of heavy metals.
Auth.
7.B2.37. Radiation – chemical
transformation of aqueous solutions of the dye “direct red –
Radiolysis of 0.001% aqueous solutions of the
dye “direct red –
Auth.
7.B2.38. On changes of
effective diffusion areas in high temperature oxidation of Al2O3
forming alloys. /I.
Nakhutsrishvili, O. Mikadze, G. Mikadze,
The obtained new equations of high
temperature oxidation of alumina forming alloys correctly describe the
simultaneous processes of mass transport and diminution of effective diffusion
area. The revealed kinetic aspects bring about the known deviations from a
strictly parabolic growth low of oxide scales on the investigated heat
resistant alloys.
Auth.
7.B2.39. Elaboration of high
voltage nickel–manganese oxide spinels as cathode materials for Li-ion accumulators.
/E.
Kachibaia, R. Akhvlediani, R. Imnadze, T. Paikidze/. Proceedings of the
The phase-pure, superfine LiMxNi0,5-xMn1,5O4-type
compounds (M= Co, Cu, Al; 0≤x≤0,5) with a cubic structure, similar
to LiMn2O4 structure were synthesized as high voltage
cathode materials for lithium–ion accumulators (LIA). The intricate dependence
of sample’s space lattice
parameters on doping degree (x) was identified. Doping leads to structure
stabilization. Test results confirm the possibility of synthesized compounds’
utilization as 5V cathode materials of LIA. The produced compounds could be of significant interest for the next
generation lithium-ion batteries not only in the field of portable equipment,
but also for application in high-power electric motors.
Auth.
7.B2.40. Study
of some characteristics of epitaxial layers of lead tellurides. /G. Gegiadze, R. Gulyaeva, O. Davarashvili, M. Dzagania, M. Enukashvili,
A. Pashaev, V. Aliev, V. Zlomanov/. Proceedings of the
The thicknesses of PbTe layers grown by a
method of ‘hot-wall’” molecular epitaxy are studied. The results of researches
of the structural-morphological features of layers, normal and tangential
components of the lattice constants are also cited. These data can serve as
modeling ones for growing PbTe on BaSeTe substrates.
Auth.
7.B2.41. Division features of
swelled perlite. /K. Khachaturian, L.
Makharadze, G. Mchedishvili/. Proceedings of the
A chromatographic analysis of Paravani
perlite - both, swelled and plated forms has been carried out with immovable
liquid phase polidymethylsiloxane (PMS)-200. Also, the optimal quantity of
immovable liquid phase has been established. The selectivity and asymmetry
coefficients, some criteria for division of binary mixture and adsorption
values of heat have been counted as well. It has been shown that the plating
quality PMS-200 15% could be used for division of n-paraffin C5 - C10
and C6-C9 aromatic hydrocarbon mixtures.
Auth.
7.B2.42. Chromatographic analysis
of light oil fractions using swelled perlite. /K. Khachaturian, L.
Makharadze, G. Mchedlishvili/. Proceedings of the
A chromatographic analysis of swelled perlite has been carried out with
immovable liquid phase plated polidymethylsiloxane (PMS)-200. The possibility of its utilization for separating light fractions into
components as well as for identifying individual compositions of these
fractions in oil deposits of
Auth.
7.B2.43. Physicochemical aspects
of rational use of Tskhaltubo mineral waters. /G. Jincharadze, B.
Gogichaishvili,
The latest and most comprehensive data on the
chemical compound of Tskaltubo mineral waters are given. The basic composition
of the unique waters has been found unchanged for more than a century. The
possibility of utilization of a third of the daily yield of the waters for
balneological purposes is established. The basic curative properties of the
waters – chemical content, the concentration of radon and temperature - have
been found to be practically unchanged.
Auth.
7.B2.44. Alkaloids of some
plants of the family Ranunculaceae
growing in
The composition of alkaloids in plants of the
family Ranunculaceae: Helleborus caucasicus A. br., consolida orientalis (J.Gay), consolida
divaricata (Ledeb.) Schrödinger, clematis vitalba L. , ranunculus
sceleratus L was studied. In the research models of plants dominate
alkaloids: delkocine and lycoctonine. Of practical significance are the
varieties: consolida orientalis
(J.Gay) Schroding. and consolida
divaricata (Ledeb. Shroding.; of theoretical significance – helleborus caucasicus A.br., clematis vitalba L., and ranunculus sceleratus L.
Auth.
7.B2.45. Geometries of boron
nitride’s multi-walled nanotubes and multi-shelled fullerenes. /L. Chkhartishvili, T. Berberashvili/. Nano Studies. - 2010 - ¹2.
- pp. 15‑21. - rus..; abs.: geo., eng.
Based on models of boron nitride BN regular
nanotubes and regular fullerenes, the interpolation formulas of their radii are
constructed. Using them, the possible sequences of nanotubular and
fullerene-like layers, respectively, in multi-walled nanotubes and multi-shelled
fullerenes are predicted. Obtained results have revealed universal correlation
between intra‑ and interlayer bond lengths in all boron nitride layered structures.
Auth.
7.B2.46. Titan carbide based
nano-crystalline solid solutions: production and compacting. /A. Gachechiladze,
A. Mikeladze, D. Gabunia, B. Margiev, R. Chedia, T. Tsuladze, R. Zekalashvili,
O. Tsagareishvili/. Nano Studies. - 2010 - ¹2. - pp. 23‑29. - rus..; abs.: geo., eng.
Titan carbide-based nano-crystalline solid
solutions TiC + Ni (10 %) have been obtained by the
chemical synthesis method in reaction between titanium hydride compounds and
carbide-forming and binding components. Nickel has been chosen as the binding
metal. A theoretical thermodynamic analysis performed for the ternary system
(Ti − C) − Ni (10 %) has shown that
TiC and TiNi compounds are able to be formed within the wide interval of
concentrations, (28 − 48) wt. %. For obtaining of the
TiC + Ni (10 %) nano-crystalline powders titanium hydride,
nickel chloride and soot were used as starting materials in charges in molar ratios
as Òi : C : Ni = 1 : 1 : 0.1.
The obtained product TiC + Ni was a black agglomerated
nano-crystalline powder. Further, the produced powders were compacted in two
stages, applying a specially designed spark-plasma-synthesis plant. The full-stroke
compacting of powders takes (3 − 4) min. The proposed
method of synthesis allows retaining nano-crystalline structure even in
compacted samples and goods.
Auth.
7.B2.47. UV−Vis and
FT−IR spectra of ultraviolet irradiated collagen in the presence of
antioxidant ascorbic acid. /N. Metreveli, K. Jariashvili,
L. Namicheishvili, D. Svintradze, E. Chikvaidze,
A. Sionkowska, J. Skopinska/. Nano Studies. - 2010
- ¹2. - pp. 53‑64. - eng.; abs.: geo., eng.
The influence of deleterious UV radiation on
collagen molecules in the absence and presence of ascorbic acid using
UV−Vis and FT−IR spectroscopy has been studied. Intensity of
UV−Vis absorption spectrum of collagen with a maximum at 275 nm due
to the aromatic residues (tyrosine and phenylalanine) increases with the
increasing dose of UV radiation. This effect is significantly hindered in the
presence of antioxidant ascorbic acid. Intensities of FT-IR bands (amide A, B,
I and II) of collagen decrease with the increase of the UV radiation dosage.
Intensities of bands are also decreased in the presence of ascorbic acid.
Results suggest that increasing the concentration of ascorbic acid increases
the photo-stability of collagen, and the collagen becomes less sensitive to UV
radiation. It is possible that hydrogen bonds form between the groups
N − H of collagen and C = O of ascorbic acid. It is
believed that under UV radiation free radicals appear in acid soluble collagen
and resulting in photo-degradation of the macromolecule restore due to the
ability of ascorbic acid donating one or two electrons. Increasing the dose of
radiation causes more molecules of ascorbic acid to slow down, and their
antioxidant effect is diminished accordingly.
Auth.
7.B2.48. Microbial synthesis
of metal and semiconductor nanoparticles. /N. Tsibakhashvili/. Nano
Studies. - 2010 - ¹2. - pp. 65‑70. - eng.; abs.: geo., eng.
The work presents a brief
overview of the current research worldwide on the use of microorganisms such as
bacteria and actinomycetes (both prokaryotes), as well as algae, yeast, and
fungi (eukaryotes) in the biosynthesis of metal and semiconductor nanoparticles
and their application.
Auth.
7.B2.49. Heat capacity of the 3D and 2D systems according to interatomic
chemical bonding.
/Z. Gogua, G. Kantidze/. Nano Studies. - 2010
- ¹2. - pp. 85‑94. - eng.; abs.: geo., eng.
Values of bonding energies of sp3 and sp2s−
hybrid bonding are calculated in the paper. These calculations are performed
according to the conception of the influence of anti-bonding quasi-particles on
the interatomic bonding force when the bonding particle takes an anti-bonding
position. Melting process of covalent crystals is considered and the critical
concentration of anti-bonding quasi-particles, at which the melting process
begins, is defined. It may be caused not only by temperature, but by action of
light, injection of charge carriers and in other ways. Within the Einstein’s
model of solid, the heat capacity is calculated for 3D crystal as well as 2D
systems.
Auth.
7.B2.50. Boron nitride
nanostructures: molecules, sheets, tubes, fullerenes (an overview).
/L. Chkhartishvili/. Nano Studies. - 2010 - ¹2. – pp. 139‑174. - eng.; abs.: geo., eng.
An overview of the present state of studies
in synthesizing methods, atomic geometry, binding, stability, electron
structure, and applications of boron nitride BN nanosystems is given. In
particular, the explicit expressions in term of B−N bond
length are obtained for atomic sites coordinates and intersite distances in
regular boron nitride nanotubes and fullerenes.
Auth.
7.B2.51. Preparation of iron oxide
nanoparticles by laser ablation method. /V. Kvachadze, T. Pavliashvili,
G. Abramishvili, T. Kalabegishvili, V. Gabunia/. Nano Studies. - 2010
- ¹2. – pp. 175‑177. - rus.; abs.: geo., eng.
The à‑Fe2O3
nanoparticles are obtained in distilled water by the laser ablation method
(using Laser OGM − 20). Their sizes have been determined by the
X‑ray diffraction, scanning and transmission electron microscopies.
Alongside with large-scale agglomerates, product contains nanoparticles with
sizes about (10 − 20) nm.
Auth.
7.B2.52. Synthesis of silver
nanoparticles using bacteria. /N. Tsibakhashvili,
T. Kalabegishvili, V. Gabunia, E. Gintury, N. Kuchava,
N. Bagdavadze, D. Pataraya, M. Gurielidzse, D. Gvarjaladze,
L. Lomidze/. Nano Studies. - 2010 - ¹2. – pp. 179‑182. - eng.; abs.: geo., eng.
A simple route for the synthesis
of silver nanoparticles by Spirulina
platensis
(cianobacteria) and Streptomyces spp. 211A
(actinobacteria) has been demonstrated in this
work. The silver nitrate solution incubated with bacteria biomass changed to a
yellowish color, indicating the formation of silver nanoparticles. Spectroscopic analysis demonstrated that
tested solutions yielded the maximum absorbance peak at 425 nm due to
silver nanoparticles. Also, X‑ray analysis of the bacterial biomass
confirmed the formation of silver nanoparticles.
Auth.
7.B2.53. On relative stability
of single-walled boron nitride nanotubes. /L. Chkhartishvili,
The molar binding energy of boron nitride’s
single-walled zigzag and armchair nanotubes is calculated within the
quasi-classical approach. Its oscillation depending on the tube radius is found
out in the range of ultra-small-radii. Nanotubes (1,1), (3,0), and (4,0) are
predicted to be more stable species among single-walled boron nitride
nanotubes.
Auth.
7.B2.54. Human in bioethical
space and time. /Archimandrite
Adam (V. Akhaladze)/. – 2010. –239 p. – geo.; abs.: geo., eng., rus.
The work considers
such issues as bioethics as a science, ideology, culture, health and illness as
interrelated concepts, thanatology and bioethics, the essence of prenatal
diagnostics, as well as various aspects of transplantology and euthanasia,
prevention and prognosis in bioethics.
Auth.
7.B3.1. Mud volcano – index of
oil-bearing capacity of a territory. /U. Zviadadze, Z. Gaganidze/. Science and
Technologies. – 2009. - #10-12. – pp. 31-37. – geo., abs.: eng.,
rus.
On the basis of
systematization and generalization of various actual and analytical materials regarding
mud volcanoes of Tsiv-Gombori Ridge, the oil-bearing prospects of deep horizons
of the Middle and Upper Jurassic deposits of the studied territory are shown.
Auth.
7.B3.2. Results of paleomagnetic investigations of cretaceous
and paleogenic rocks of
A
study of cretaceous and Paleogenic rocks of on the
Auth.
7.B3.3. Snow-ice caves
and natural glaciers of
The
thermal regime of snow-ice wells and abysses, as well as that of natural glaciers
formed in the volcanic, lava and dolerite rocks and sandstones and the
conditions of occurrence of long-term snow and ice creation in them are
presented in the work.
Auth.
7.B3.4. Relaxation processes
in the alterations of the average annual temperature of the earth. /M. Dzhibladze, A. Mikaberidze, Z. Razmadze/. Bulletin of the
Alterations of the average-annual temperature of the
Earth are shown to be characterized by relaxation oscillations within every 5-8
years. More low-frequency oscillations with a period of about 60 years are also
observed.
The relaxation processes are connected
with changes in the Earth’s albedo, quantity of the evaporated water and the
absorption of the solar radiation by green plants. Cycles of solar and human
activity also influence the processes of temperature relaxation. The relaxation
oscillations are caused by a negative feedback between parameters of the Earth
and energy received by the Earth from the Sun.
Auth.
7.B3.5. Investigation
of dynamics of temporal distribution of acoustic waves caused by stick-slip
process. /T. Matcharashvili, T. Chelidze, N. Zhukova,
We investigated dynamics of acoustic wave generation
during stick-slip motion of sample rocks. For that, laboratory spring-slider
system has been developed enabling registration of acoustic waves generated by
stick-slip (SS) at different sliding regimes and relative external forcing. To
create these time series, experimental recordings were conditioned, wave trains
separated and onsets of the acoustic emission (AE) detected. For quantitative
evaluation of changes in dynamics of acoustic wave generation, nonlinear
recurrence quantitative analysis (RQA) and Tsallis entropy calculation method
have been used. It was shown that the amount of deterministic structure in
dynamics of acoustic wave temporal distribution depends on movement regime.
Auth.
7.B3.6. Age of the
Madneuli Cu-Au deposit,
A possible model for formation of the Madneuli
copper-gold deposit incorporates a sequence of magmatic, tectonic and
hydrothermal events occurring contemporaneously with sedimentation of host
volcanosedimentary rocks in a shallow paleosea basin. Identification in these
rocks of some biostratigraphic units (CC 20 Zone and CC
Auth.
7.B3.7. Assessment of geotechnical
conditions of the Delisi depression. /T. Jajanidze/. Mining Journal. –
2009. – #2(23). – pp. 12-16. – geo.; abs.: rus., eng.
This
article is dedicated to reviewing of geotechnical problems related to the
Delisi Depression situated in Tbilisi, Georgia, and also to physical-mechanical
and lithologic-stratigraphic study of the depression soil matrix. In spite of
the fact that the depression area mentioned above is almost fully developed
(urbanized), disputes and revision of engineering requirements, regarding the
genesis of the above depression, still makes actual detailed study of the
depression. To solve these questions, the works were carried out within
extension of the Delisi Depression, particularly on the
Auth.
7.B3.8. Underground reservoirs
of lava generation and their role in formation of underground water resources. /L. Kharatishvili, T. Gabetsadze, Z. Kakulia/. Mining Journal. –
2009. – #2(23). – pp. 17-20. – geo.; abs.: rus., eng.
The
work concludes that within the Samtskhe-Javakheti lava plateau along the axial
zones of buried paleo-valleys quite well-marked underground reservoirs are
distinguished, the underground water resources of which provide stability and
regulation of minimum flow of rivers. At the same time, the period of full
water cycle of underground waters in the reservoirs is about seven years, which
mainly depends on the reservoir capacity. The bulk of the underground water
resources of the underground reservoirs have no genetic connection with the
underground waters formed during high waters of the rivers floods, rain or snow
thaw, for this part of underground water is a mixture (cocktail) of waters
formed during the previous years. This is proved by too low value of variation
of coefficients of average annual discharge of rivers of the region.
Auth.
7.B3.9. On the Middle-Late Jurassic marine biota of
The analysis of Middle-Late
Jurassic marine biota of
Auth.
7.B3.10. New data on Liassic belemnitids of
The work deals with the results of Liassic belemnitids
investigation in
Auth.
7.B3.11. Characteristics of mudflows of the River Aragvi catchment
basin. /G. Beridze,
The right bank of the River Aragvi canyon on the section of
villages Mleta–Pasanauri is characterized by frequent powerful mudflows along
the right inflows of the river which cause a considerable damage to the nearby numerous
settlements and serious hindrances to the movement of motor transport on the
Georgian-Military Highway (GMH). On the basis of a complex analysis of the
geomorphologic, hydrologic and climate conditions, also of the geological
structure peculiarities of the district, the main factors of the origin and
further development of mud foci are considered. The classification of the main
types of the studied mudflows is given, depending on the stage of their
development, and the preventive measures are designed for each type of
mudflows.
Auth.
7.B3.12. Additional control
condition of geodetic intersections. /M. Meskhi, D. Papava, G. Chiaureli, K. Dzadzamia/. Mining
Journal.
– 2010. – #1(24). – pp. 43-44. – geo.; abs.: rus.,
eng.
A principally different control
condition of geodetic intersections is discussed. This condition, in contrast
to the existing one, foresees a condition of directive angles of the sides, ensuring
a greater confidence and reliability when solving concrete engineering tasks.
The novelty is of both theoretical and practical significance.
Auth.
7.B3.13. Study of the stability of base gravity stations (BGS) of Enguri
arch dam according to natural observation data. /D. Papava, I. Mamatsashvili,
T. Papava/. Mining Journal. – 2010. – #1(24). –
pp. 45-48. – geo.; abs.: rus., eng.
Several issues regarding a study of some aspects of the stability
of BGS, their location invariability using geodetic methods for deformation
detection are considered. There are several methods of the BGS stability study
by means of formation of simple geodetic networks (linear, linear-angular,
angular and combinations thereof), but all of them require additional
constructions and measurements. The paper attempts to study station location
error in relation to each other by means of the error ellipses. Since only
three studies have been executed at Enguri hydropower station by means of new
electric equipment: total station TC-2003 and level DNA- 03, for comprehensive
investigation of the dam’s deformation the above-mentioned studies need to be
continued.
Auth.
7.B3.14. Investigation of fracturing in rock samples by an acoustic
method. /R. Samadashvili, F. Bejanov,
The measurement of discrete parameters of elastic waves reflected
in the course of fracturing of rock samples, as well as the methods of the
establishment of a range of alteration of some discrete parameters of the
seismic wavelet are considered.
Auth.
7.B3.15.
Assessment of geological engineering
conditions of Digomi (Georgia) enclosed depression. /T.Jajanidze/. Mining
Journal. – 2010. – #2(25). – pp. 8-11. – geo.; abs.: geo.;
eng., rus.
This work represents a review of geological
engineering conditions and physical-mechanical properties of filler soils of
the Digomi Enclosed Depression which is situated in
Auth.
7.B3.16. Modern geodynamical
processes in Meskheti and Javakheti. /G. Dokhnadze, H. Salukvadze, K. Dadiani,
The paper describes
geological and geomorphologic peculiarities of the area, including modern
geodynamical processes and the tendencies of their development. The
quantitative measures of the factors defining the processes are given schematically.
Auth.
7.B3.17. Some issues regarding
filtration of heavy clay soils in Kolkheti Lowland. /I. Zakaidze, L.
Kekelishvili/. Collected Papers of the
This paper considers
the issues regarding the filtration of heavy clay soils in the Kolkheti
Lowland. The tests implemented to determine the value of initial filtration
gradient are given and the variation in filtration coefficient, depending on an
increase in the pressure gradient during the swollen conditions are considered.
The paper describes the participation of the existing cohesive soil flows in
filtration flow.
Auth.
7.B3.18. Transformation of separate
seismic waves in Kolkheti shelf zone. /I. Iordanishvili, K. Iordanishvili, E.
Khosroshvili,
This paper includes
general information about the publications regarding the earthquakes in the
Auth.
7.B3.19. Development
of engineering measures for the protection of erosive slopes. /I. Iremashvili/.
Collected Papers of the
The paper describes
the existing conditions of erosive slopes on the highways of
Auth.
7.B3.20. Classification of methods to control soil properties. /L. Itriashvili,
The paper includes a
new general classification of methods to control soil properties, which maximally
combine all constituent elements. General scopes are as follows: mechanisms of
implementation, recommended additives and soils, general technological
operations, derivative structures.
Auth.
7.B3.21. Protection
of slopes against erosion using new polycomplex SSBM. /Kh. Kiknadze, N.
Nibladze,
The paper describes a
complex protection of slopes by means of plant sowing and polymeric coating.
Also, there are given data about the following components: water resistant
polymeric coating of equivalent friction, resistance to water and wind erosion,
different intensity of rain and changeability in wind force, temperature and
water regimes under the protected surface, plant growth and vegetation, and
recommended doses of polycomplexes for the different types of soils.
Auth.
7.B3.22. Permissible
velocity of soils taking into account surface molecular effects. /T. Katsarava, Sh.
Kupreishvili, P. Sichinava/. Collected Papers of the
The paper describes
flushing velocities in the designed model taking into account surface molecular
effects, which radically change the quantitative value of these parameters.
Moreover, the existing designed models suit solid sediments only, and cannot be
trusted in the case of finely dispersed clays. On the basis of a simple model, the
quantitative prediction regarding the intensity of erosion in accordance with
normal value of permissible velocity and quantitative relation were assessed.
Auth.
7.B3.23.
Some questions of the the relief
surface schematizations and the rain drain simulation. /G. Chitishvili, L. Kekelishvili/. Collected Papers of the
The article presents the results
of applying the schematizations of the relief surface and its mathematical
description for simulation of rain drain. The cross section of the relief element
consisting of two slopes and a river bed between them is examined together with
the rules of the coordinate curving of the relief characteristics and the possibility
of calculating other indices of flow and relief.
Auth.
7.B3.24.
Hydrogeological zoning and hydrogeochemical
zonality of Greater
The folded zone of Greater Caucasus includes
hydrogeological regions of special types, in which, on the bases of their
geological structure and collector features of water-bearing strata,
distinguished are: platform, intermontane, slope and medial artesian basins
(porous, fissure-porous and fissure-carstic ground waters), hydrogeological
massifs, admassifs and intermassifs (fissure, fissure-vein, fissure-bedded,
bedded-fissure and fissure-carstic ground waters) and volcanogenic basins
(porous-fissure covers of ground waters). According to recent principles of
hydrogeological zoning and considering variegated geological and hydrogeological
structure of the Folded zone of Greater Caucasus, there are segregated
hydrogeological regions of first, second and third order. By difficulty of
spreading and chemical compound of ground water, there is conditioned
allocation of À, B, C and D hydrogeochemical zones and sub zones: B3,
B10, B35, C70, C40, and C270, C350
for artesian pools and D1, D3, D10, D35
for hydrogeological massifs, admassifs and intermassifs. According
to lateral and vertical spreading of ground water, there are determined main
characteristics of the
Auth.
7.B3.25.
Hydrogeology of eastern part of the
The article characterizes the water bearing
complexes and horizons developed in Eastern part of
Auth.
7.B3.26.
Thermal parameters of rocks and temperature
distribution in the water-bearing complex of
Average heat conductivity
coefficients have been estimated in 20 boreholes of
Auth.
7.B3.27.
Comparative characterization of thermal parameters
of three districts of
Values of heat
conductivity coefficients and heat flows for the Lisi-Saburtalo, Central
and Oil districts of the
Auth.
7.B3.28. Underground feeding of Kobuleti
bogs. /I. Mikadze/. Proceeding of
Based on research data, the artesian waters of
the quaternary sediments of Kobuleti Lowland are in close hydraulic relationship
with the subsoil water horizon. The artesian waters feed groundwaters and
assist thus in retaining their high levels, which, in turn, feed bogs. Based on
the above, it may be concluded that the underground waters of the quaternary
sediments represent, together with precipitation, are the main source of feeding
the Kobuleti bogs.
Auth.
7.B3.29.
The first basic hydrogeological studies in the
former USSR.
/Yu. Bogomolov, D. Manukian/. Proceeding of
The article is devoted to the 70th
anniversary of All-Union Scientific-Research Institute of Hydrogeology and
Engineering Geology - VSEGINGEO and the 100th anniversary of its
founder and the first director Academician G.V. Bogomolov. The basics of
experimental-filtration hydrogeological works in the former
Auth.
B4. Geography. Cartography. Astronomy
7.B4.1. Modeling of
radiation and temperature environment of the Mars for biological experiments. /Sh. Sabashvili, S. Tsereteli, M. Tarasashvili,
The article studies the variation of illumination E
on the Mars surface caused by solar radiation during a planetary year and
planetary day. The Sun’s midday zenith distance zmin annual variability shape
for the different meaning of the planetografical latitude is discussed. Based
on the orbital parameters of Mars, the arrangement of spring and autumn equinox
as well as summer and winter solstices points in Martian sky are discussed with
respect to the point of Mars perihelion on the Martian orbit. Distances from the
Sun to the Mars are calculated for the 15 selected values of Mars true anomaly.
At the same time, zmin is calculated for above mentioned 15 points of the Martian
orbit along with the value E for the selected 12 moments of the Martian day for
the Martian equator optimal in terms of temperature for the survival of terrestrial
living organisms.
Auth.
7.B4.2. The bioremediation
problems of the Mars ground and the atmosphere forming. /N. Alexidze, M. Tarasashvili/. Science and Technologies. – 2010. - #7-9. –
pp. 35-44. – geo., abs.: eng., rus.
The introduction of anabiotic life-forms on the Mars
planet has been investigated. Presumably, sulfur, Iron and other autotrophic
bacteria with anabiotic capabilities will be able to adapt to such abiogenic
factors of the Mars as the extreme temperature and radiation, thus realizing
bioremediation of the Martian soil and the planetary ecopoesis.
Auth.
7.B4.3. On the primeval
ocean. /R. Kiladze,
Taking into account the thermal dissipation of
hydrogen from the atmosphere for a period from the Earth’s origin, it is
concluded that the level of the primeval ocean must have been
Auth.
7.B4.4. Short-term forecasting
of extreme winds by a regional mesoscale numerical model. /I. Chogovadze, N. Dekanozishvili, N. Kutaladze, L. Megrelidze, G. Mikuchadze,
Z. Khvedelidze/. Bulletin of the
The present paper presents an assessment of the
capacity of explicit short-term forecasting of extreme events, using the
weather numerical mesoscale model WRF ARW, which was demonstrated with respect
to the strong wind event case in
Auth.
7.B4.5. Natural resource
potential of
Agrolandscape study has quite a long history in
Auth.
7.B4.6. Marine influence on
the atmospheric pollution in the Ajara coastal zone. /R. Solomonidze/. Bulletin of the
The influence of aerosols of marine and continental
origin on the level of atmospheric pollution is studied for the coastal zone
(Ajara as an example). The influence of variations of the level of atmospheric
pollution on the number of parameters forming the climate – temperature, water
vapor resilience, relative humidity and wind speed has been considered.
Auth.
C. TECHNICAL AND APPLIED SCIENCES.
SECTORS OF ECONOMY
7.C1.1. Natural waters as the national wealth
of the country. /K.
Makharadze, R. Pirtskhalava/. Science and Technologies. – 2009. - #10-12. – pp.
16-18. – geo., abs.: eng., rus.
Natural
water resources of the world and particularly of
Auth.
7.C1.2. Prospects of the
sea waves energy utilization. /R. Kenkishvili, M.
Glonti, T. Natriashvili/. Science and Technologies. – 2010. - #7-9. –
pp. 45-48. – geo., abs.: eng., rus.
The
expediency and prospects of the use of sea waves energy are considered. Converters
of sea waves energy developed in different countries are considered, together
with a scheme and the principle of operation of the converter developed in
Rafael Dvali Institute of Machine Mechanics.
Auth.
7.C1.3. Role of energy in
revival of Georgian economy. /G. Nanuashvili/. Science and Life. - 2010 - ¹2. - pp. 16-22. - geo.; abs.: geo., rus., eng.
Based on the current demand for and
consumption of energy resources, their natural reserves are faced with almost complete
exhaustion in the second half of the 21st century. Accordingly, it
is necessary that alternative energy resources be searched for. Given a rich
hydro-resource potential of
Auth.
7.C1.4
According to annual electricity consumption
per capita (1.6 thousand kWt/hour/man),
Auth.
C2. Electrical Engineering.
Electronics. Radio Engineering. Communications
7.C2.1 The unified potentiostat of an independent
dc power-supply system. /I.
Kamkamidze, L. Jinjikhadze, Sh. Pkhakadze/. Science and Technologies. – 2009. -
#10-12. – pp. 97-101. – geo., abs.: eng., rus.
The
work presents a unified potentiometer belonging to the potentiomerts used in
independent dc power-supply systems. It provides for coordinated operation of elements
of an independent power-supply system, without using generators or accumulators.
Moreover, internal combustion engine is excited was carried out was
carried out by an engine starting system as well as by a storage battery.
The using of the unified potentiostat makes it possible to save electric energy
upon complete charging of storage batteries and minimum speed of the generator
runner, as well as to improve operational characteristics of the storage
battery and generators and increase their durability.
Auth.
7.C2.2 Determining the welding current of multi-pointed
contact welding. /T. Pkhakadze, M.
Shalamberidze/. Science
and Technologies. – 2009. - #10-12. – pp. 102-104. – geo., abs.: eng., rus.
The
article deals with a highly efficient method of quality control of two-way
multi-pointed contact welding according to the welding process parameters. The
efficiency of the parameters’ measurement is analyzed and the measurement of
the welding current on all the electrodes and of the real values during welding
is proposed, with an allowance for shunting.
Auth.
7.C2.3 Spin transport properties of manganese doped nanostructured magnetic semiconductors. /P. Kervalishvili/. Nano Studies. - 2010
- ¹2. - pp. 5‑14. - eng..; abs.: geo., eng.
A technology of periodic layer
GaSb / Mn nanostructure getting, the structural and magneto-transport
properties of thin GaMnSb films with increased content of Mn, up to
10 at. %, grown by using laser dispersion in vacuum was studied. The
structures of GaMnSb layers, regardless of Ga replacement by Mn acceptors,
contain ferromagnetic MnSb nanoclusters and shallow acceptor defects controlled
by the growth temperature were investigated. In the obtained double phase
ferromagnetic GaMnSb films, regardless of the case of previously studied single
phase GaMnSb systems (Curie temperatures not exceeding 30 K), the anomalous
Hall effect (AHE) and the AHE hysteresis at temperatures up to 300 K, becoming
stronger with the hole concentration increase, are observed. The unusual
properties of GaMnSb films have been interpreted as interaction of magnetic
nanoclusters in a semiconductor matrix, where the matrix has huge concentration
of free holes and magnetic ions, becoming stronger with an increase in the
holes concentration. The magnetotransport properties of GaSb/Mn discrete alloys
to be used as ferromagnetic contacts in the process of formation of GaMnSb / GaSb / GaMnSb
and GaMnSb / GaAs / GaMnSb three-layered structures for
observation of spin polarized current in perpendicular geometry were studied. The model problem
concerning the formation of a ferromagnetic cluster (magnetic polaron)
consisting of a free electron bound to a non-magnetic donor impurity in an anti-ferromagnetic
matrix was analyzed. The magnetic polaron was shown to also produce rather
long-range extended spin distortions of the anti-ferromagnetic background around
the core. Such a magnetic polaron state can be favorable in energy, in
comparison to the usually considered one. Studies of the structure of magnetic
poltroons (nanoscale ferromagnetic droplets) in magnetic semiconductors were
performed with a special emphasis on frustrated lattices’ (square lattice with
nearest-neighbor and diagonal interactions and the triangular lattice)
characteristic for layered heterostructures. It was demonstrated that the
magnetic polaron can produce rather extended spin distortions of the anti-ferromagnetic
background around its ferromagnetic core. The characteristic size of this
‘coat’ decreases for a stronger next-nearest neighbor interaction or with an increase
in magnetic anisotropy.
Auth.
7.C2.4 On elaboration of
optoelectronic elements exploiting properties of nanosilicon formed in “silicon-on-sapphire”-structure.
/R. Kazarov, R. Chikovani, D. Garibashvili, G. Goderdzishvili,
T. Khachidze/. Nano Studies. - 2010
- ¹2. – pp. 119‑121. - rus.; abs.: geo., eng.
The article is devoted to very
interesting and perspective issue – the formation of solid-state optoelectronic
elements based on light-emitting nanostructural silicon and heteroepitaxial
structure “silicon-on-sapphire”. The main technological problems to be solved for
making various optoelectronic elements are outlined.
Auth.
7.C2.5 Photoelectric parameters determination for ALGaAs
heterostructure-based photo-cells by a conctacless method. /A. Guchmazov, G. Iluridze,
T. Minashvili, G. Rtveliashvili, M. Taktakishvili/. Nano Studies. - 2010
- ¹2. – pp. 123‑125. - geo.; abs.: geo., eng.
The work describes a conctactless method of
investigation of photo-cell heterostructures. It is shown that in such
semiconductor structures parameters, like the photogenerated charge carriers’
internal interassembly collection coefficient, can be estimated based only on
observations of their luminescence radiation.
Auth.
C3. Automation & Telemetry.
Computer Engineering
7.C3.1 The dynamic
mode of analog testing control. /K. Chapidze, Z. Papidze/. Science and
Technologies. – 2010. - #4-6. – pp. 39-42. – geo., abs.: eng., rus.
The article considers how to
automate testing of a dynamic mode, taking into account the parameters of the
dynamic characteristics obtained under the action of a single impulse at the
input device which provides a precise definition of the error of the analog
devices in a short time interval.
Auth.
C4. Mining. Metallurgy.
Chemical Industry
7.C4.1. New methods of obtaining fine-grained and
nanosized composite materials. /O.Okrostsvaridze, G. Tavadze, T.
Badzoshvili/. GEN. – 2010. - #1. - pp. 48-56. - eng.; abs.:
rus.
The work deals with
the possibilities of obtaining fine-crystalline materials by applying two-stage
integrated technological schemes: self-propagating high-temperature synthesis
(SHS)+super-rate tempering of the liquid melt and SHS+gas-flame dispersion. As a result of
spinning of the SHS-melt on a fast-rotating copper drum, a quenching product of
a lamellar shape is obtained. The thickness of foil fragments is 30-60 mm.
The electron-microscopic investigations showed that the dimensions of phase
constituents of the composite Al2O3-NiAl
(Ni3Al) varied from nano- to micrometric dimensions. At the same
time, there was observed a heterogeneous distribution of Al2O3 and NiAl
on the area of the direction of melt spinning, which pointed to heterogeneity
and non-stationary flow of high-temperature melt. For increasing the ductility
of microparticles, it is necessary to clad the surfaces of powders or granulate
them, as well as to select relevant methodology of disintegration for providing
the shape of particles maximally approximated to the isometric one.
Auth.
7.C4.2. New ceramic and metal-ceramic powders for
gas-thermal coatings. /O. Okrostsvaridze,
G. Tavadze, T. Badzoshvili, J. Alania/. GEN. – 2010. - #1. - pp.
57-63. - eng.; abs.: rus.
In the presented work, a new method of
obtaining compound ceramic and metal-ceramic composite powders by using the
technology of self-propagating high-temperature synthesis (SHS) is proposed.
The investigations for establishing the correlation between the parameters of
original charge and the combustion parameters – Tcomb and Ucomb
were performed. The morphological specific features of the synthesized
composites were studied.
Auth.
7.C4.3. Special frits for direct-on enamelling of
pipelines. /I.
Berdzenishvili, M. Siradze, V. Erokhin, R. Kldiashvili/. GEN. – 2010. - #1. - pp. 64-67. - eng.; abs.: rus.
The compositions of low-melting
zirconium-strontium frits have been developed for direct-on enameling of pipes.
Owing to the given combination of active cations, toxic fluorine and expensive
nickel and lithium were eliminated from glass frit compositions. The enamels
were subjected to firing by the induction method. In the synthesized enamels,
the optimal complex of properties combining high corrosion-resistant and
thermo-mechanic indices, adhesive strength and required specifications was
realized. These enamels are recommended for testing on pipelines.
Auth.
7.C4.4. The contact fatigue and the wear of DADI class
aluminium cast iron. /E.
Kutelia, N. Khidasheli, G. Beradze, O. Tsurtsumia, I. Beroshvili/. GEN. – 2010. - #1. - pp. 74-79. - eng.; abs.: rus.
In the present work, the results of
experimental investigations of contact fatigue and wear of deformable
high-strength aluminum cast iron of ADI (DADI) class depending on the phase
ratio in the metallic matrix are given. It is shown that the modification of
cast iron melt with the magnesium vapor allows obtaining the low-silica
(0.5-0.7% Si) high-strength cast iron in which the concentration of sulfur does
not exceed 0.002%. Besides, the type and the degree of austenite transformation
of the produced cast iron can easily be varied so that the required ratio of
phase components such as upper bainite, lower bainite, martensite, carbide and
retained austenite could be provided in the metallic matrix and hence could be
achieved the desired hardness over the range of 30-57HRC. The rolling and
rolling-with-creep wear tests were carried out on the specimens of different
hardness. They showed strong dependence of the contact fatigue and the wear on
the amount of retained austenite in the specimens with the optimal ratio of
bainite and martensite phase components in the matrix structure. The obtained
testing results allow us to treat the high-strength aluminum cast iron of DADI
class as an efficient substitute for expensive steel in manufacturing the
critical parts for high-pressure multistep gas pumping compressors.
Auth.
7.C4.5. The
process of metal-thermal reduction of manganese modelling and determination the
optimal parameters of its implementation. /J. Mosia, A. Julukhidze, G. Nikolaishvili, V.
Mgeladze, M. Chumbadze/. Science and Technologies. – 2009. - #10-12. – pp.
48-51. – geo., abs.: eng., rus.
The
article presents experimental results of establishing optimal parameters of the
metal-thermal reduction process of manganese from pre-purified oxides. The
obtained technical metal is a semi-product for obtaining particularly pure
manganese by method of vacuum sublimation.
Auth.
7.C4.6. The calculation
of optimal vibration regimes on the continuous casting machine of
The
article analyzes the ingot-forming equipment’s vibration influence on the ingot
draw-out effort; it is shown that at the definite vibration regimes, the ingot
draw-out effort may be reduced by 20%.
Auth.
7.C4.7. Study of the possibility
of obtaining barite and barite-calcite concentrates from Chordy barite-containing
waste. /J. Kakulia, Sh. Malashkhia,
L. Kartvelishvili, N. Lomidze, V. Totibadze/. Science and Technologies.
– 2009. - #10-12. – pp. 44-47. – geo., abs.: eng., rus.
On
the basis of preliminary studies of the ore-dressing potential of Chordy barite-containing
waste, a possibility of obtaining from them by flotation of barite and
barite-calcite concentrates is established. To prepare the material for
flotation, a combined disintegration flow sheet ensuring redistribution of
barite and calcite particles in different size classes is selected.
Auth.
7.C4.8. The
obtaining of superfluxed manganese agglomerate. /J. Mosia, M. Chumbadze, V. Mgeladze, G.
Nikolaishvili, A. Julukhidze/. Science and Technologies. – 2010. - #4-6. – pp.
43-46. – geo., abs.: eng., rus.
The
article presents the technology for obtaining superfluxed manganese agglomerate
to be applied in the medium-carbon ferromanganese melting.
Auth.
7.C4.9. Treatment of thick formations with caving and silting on
Tkibuli-Shaori deposit. /A.Mikeladze, M. Basiladze, D. Kupatadze/. Mining
Journal. – 2009. – #1(22). – pp. 10-13. – geo.; abs.: eng., rus.
The only process flowsheet for treatment of
thick formations with caving and silting on Tkibuli-Shaori deposit is described.
A critical analysis of this method is given. For protected seams of coal strata
the alternative version of this method developed by the authors is proposed. The
proposed method ensures higher security of actual mining production processes,
more effective natural ventilation of closed excavations/mines, normal dust-gas
regime, and effective struggle against mine fires.
Auth.
7.C4.10. The research of a
stress-strained state of a multilayer body under the pressure of the border
hard stamps. /T. Iamanidze, M.
Losaberidze/. Mining Journal. – 2009. – #1(22). – pp. 14-15. – geo.; abs.:
eng., rus.
Using the methods of the theory of analytical
functions, the stress-strained state of a laminated prismatic body under
pressure of a hard stamp is studied. Based on the analysis, it is determined
that in the case of prismatic sandwich bodies with different strength, the
presentation of components of the vector displacement tensor strain, is possible
with the help of three harmonic functions; their calculation formulas are obtained,
which make it possible to establish the point of maximum deformation and
determine the maximum deflection (deformation), as well as the trajectory of
crack propagation in the area of inhomogeneous stresses. A model allowing for
examination of bodies with any number of layers is designed.
Auth.
7.C4.11. Methods of the mechanical
destruction of rocks. /G.
Baliashvili, F. Bezhanov, R. Samadashvili, L. Gurchumelia, T. Rukhadze, N.
Sarjveladze, D. Robaqidze/. Mining Journal. – 2009. – #1(22). – pp.
16-20. – geo.; abs.: eng., rus.
The question of destruction of rock samples
by a method of the concentrated, gradual static introduction of spherical
indenter on their surface, in which process longitudinal deformation is
measured by the indicating gage, is considered; loading increase is carried out
continuously and step by step; the destruction of samples occurs in air, water
and in the environment of surface-active substance (SAS); instead of the accepted
volume work (Joule/cm3), surface specific work on the destruction area
(Joule/cm2) is offered; methods of destruction of rocks (marble, sandstone,
tuff), and the mechanism of destruction of rocks and the reasons of changing of
destruction specific work value are considered.
Auth.
7.C4.12. The computer-aided design of drilling-and-blasting
(CAD of D&B) in open pits. /S. Khomeriki, R. Mikhelson, D. Khomeriki, Z. Kuchukhidze, A. Apriashvili,
G. Bakhutashvili, K. Antidze/. Mining Journal. – 2009. – #1(22). – pp.
21-25. – rus.; abs.: eng., geo.
The
work introduces general methods of engineering a computer-aided design (CAD) of
drilling-and-blasting in open pits and the program’s main capabilities. The CAD
of D&B is developed on the basis of Microsoft Visual Fox Pro, operates in a
dialogue (interactive) mode, and performs the following primary tasks: choice
of the optimum type of explosive for the given mine’s technical conditions with
an estimation of their relative working capacity and economic efficiency; calculation
of key parameters of drilling and blasting operations; calculation of intervals
of delay and choice of optimum schemes of short delay detonations; calculation
of radii of dangerous zones at explosion of borehole charges.
Auth.
7.C4.13. Seismic effect on
explosive demolition of buildings. /N.
Kukuladze, D. Khomeriki, Z. Kuchukhidze, A. Apriashvili, G. Bakhutashvili/. Mining
Journal. – 2009. – #1(22). – pp. 25-28. –rus.; abs.: eng., geo.
The results of
encoded oscillograms of seismic vibrations generated as a result of building
explosion under city conditions are considered. Based on these results, it is
defined that during explosive demolition of buildings the intensity of ground
vibration in the foundation of engineering buildings is 6-11 times less than
during blasting of an explosive of the same mass in the ground. Upon explosive
demolition of buildings, a correction coefficient (Ky), which considers terms
of forming and spreading of generated seismic vibrations during explosion of
buildings, is included in the formula defining the intensity of seismic
vibrations.
Auth.
7.C4.14. Establishment of
a mineral processing (separation) difficulty value index and its continuous
measurement. /M. Gamtsemlidze/. Mining
Journal. – 2009. – #1(22). – pp. 29-31. – geo.; abs.: eng., rus.
The article describes the qualitative and
quantitative criteria of mineral processing (dressing) difficulty value by
graphic-analytical methods. It is noted that the continuous measurement of the
difficulty value by the given criterion is impossible and its application as the
disturbing value in control processes in the management of heavy-media
processing plants is complicated. For optimal control of the mentioned
processes, the article proposes such a quantitative criterion of the processing
(separation) difficulty value (particularly, density difference index in the
layers spaced specified distance apart in the bath or dispersion of given
value) that enables continuous measurement of the difficulty value index and
optimal control of dressing processes in heavy media machines.
Auth.
7.C4.15. A method of
controlling the benefication process in heavy media hydrocyclones. /M. Gamtsemlidze, M. Tutberidze, G.
Chkhareuli,
The article describes a method of mineral
processing in heavy media hydrocyclones, which additionally provides a
criterion of mineral beneficiation difficulty value and device for its
continuous measurement in order to increase qualitative and quantitative
indexes of processing, control the hydrocyclone outlet hole diameter and
peptizing agent concentration, and establish the mineral beneficiation difficulty
value and viscosity, for obtaining a conditioned concentrate with maximum
output.
Auth.
7.C4.16. Aspects of processing
and utilization of fine-grained coal and slime of Tkibuli-Shaori deposit. /R. Sturua, D. Talakhadze, Z. Arabidze, A.
Abshilava, J. Kaphlanishvili, Z. Gordeziani/. Mining Journal. – 2009. –
#1(22). – pp. 34-37. – geo.; abs.: eng., rus.
The paper deals with extraction, processing
and the opportunities of use of fine-grained slime of the River Tkibula water
basin during extraction and coal processing of the Tkibuli-Shaori deposit; a process
flowsheet of dressing has been worked out and the appropriate outfit selected. As
a result of the processing, a fine-grained fraction of coal is produced that
can be used in thermal power plants, as well as for household purposes subject
to preliminary bracketing.
Auth.
7.C4.17. Hydraulic analysis
of the functioning of a new settling reservoir of quarry and underdump acid
waters of Joint-Stock Company “Madneuli”. /V. Silagadze, M. Jangidze, B. Menabdishvili, K. Kekelidze/. Mining
Journal. – 2009. – #1(22). – pp. 54-57. – geo.; abs.: eng., rus.
For the purpose of rational control of quarry
and under dump acid waters a hydraulic analysis of water intake and spillway
systems of a new settling reservoir designed on their transport line has been
carried out. The values of throughput of individual sections were established
ensuring the safe throughput of maximum inflow of acid waters (Qmax=250m3/hour)
by these systems. The operating conditions of the settling reservoir are
considered.
Auth.
7.C4.18. On the assessment
of manufacturability of mining and geological conditions of coal deposits. /Y. Rekhviashvili, T. Pirtskhalava/. Mining Journal. – 2009. –
#1(22). – pp. 58-60. – geo.; abs.: eng., rus.
The
development of fuel and energy sector of
Auth.
7.C4.19. On the choice of a
type of exposive for concrete geological conditions. /V. Lortkipanidze/. Mining Journal. –
2009. – #1(22). – pp. 61-63. – geo.; abs.: eng., rus.
The basic characteristics of explosives influencing
the rock destruction process are considered. Based on the advanced world
practice, the most effective modern explosives and the areas of their use are
determined.
Auth.
7.C4.20. The feasibility
of the use of modern powered complexes in Tkibuli mines. /Y. Rekhviashvili, T. Pirtskhalava, M.
Basiladze/. Mining
Journal. – 2009. – #2(23). – pp. 21-27. – geo.; abs.: rus., eng.
The
basic principle of restructuring of the coal industry, the practical
realization of which is to transform the coal industry in a profitable one, provides
for a sharp increase in the intensification and concentration of mining
activities at the expense of creating necessary conditions for applying
mechanical work and new technologies in mines. It is established that the
coefficient of integral evaluation of adaptability of geological conditions of
the Shaori coalfield is of almost two times less than that of
Auth.
7.C4.21. Structures securing
safe operation of dangerous sections of the Tskaltubo cave. /A. Abesadze, S. Demetrashvili, M. Abesadze/. Mining Journal. –
2009. – #2(23). – pp. 30-37. – geo.; abs.: rus., eng.
The
current state of the walking paths being in an immediate vicinity to the
ceiling rocks of the Tskaltubo cave is analyzed. Directions of spread of the
existing cracks in the ceiling rocks as well as the locations of the naturally
formed consoles the rock’s layer are studied. Total 25 sections, which are
considered dangerous for a safe operation of the cave are revealed at different
stakes/marks. The metal-concrete bearing structures are developed, providing
the possibilities to preserve the conditions of natural balance in the
immediate rocks of the ceiling. They will be constructed nearby the walking
path, to perform the bearing function for the strata working on bending and to
limit the formation and further development of cracks in local areas of the
ceiling. The projects of building up the bearing metal-concrete structures are
developed, on which basis the mining works are carried out in the tunnel. The
“Merani“ LTD is engaged in
these works.
Auth.
7.C4.22. Preliminary biotreatment
of baritcontaining slimes on purpose of intensification of the process of
flotation. /R. Kvatashidze, V.
Totibadze, L. Kartvelishvili, N. Lomidze, J. Kakulia, Sh. Malashkhia/. Mining
Journal. – 2009. – #2(23). – pp. 41-43. – geo.; abs.: rus., eng.
Preliminary bacterial treatment (processing)
of slimes with a view to improve conditions of obtaining barite concentrates
from barite-containing slimes with flotation has been carried out. Silicate
bacteria (Bac. mucilaginosus) have been used. The content of barites in slimes as
a result of bioleaching increased by 7% on average. In addition, the granulometric
composition of slimes changed in the course of processing; in particular, as a
result of partial decomposition of the 0,315+0,16 mm class particles, a new class,
0,16+0 mm, was formed, the yielding of which made 14%.
Auth.
7.C4.23. Study of the possibilities
of using Tkibuli-Shaori mine coal for production of coal char. /S. Makharadze/. Mining Journal. –
2009. – #2(23). – pp. 44-47. – geo.; abs.: rus., eng.
The
results of a study of the possibilities of using Tkibuli-Shaori mine washed coal
for producing coal char are discussed. The test with a traveling-grate carbonizer
was held in the Polish company ‘POLCHAR. During the test, the following parameters
were defined for the input and output production: granulometric composition,
moisture, ash content, volatiles, calorific value, ash chemical contents, and
the percentage of chemical elements in the contents. As a result of the test, it
was concluded that parameters are complying wit the requirements to those of
char coal of Ferro-alloy production manufacturers. Therefore, the output
production – char coal – is recommended for on masse usage under industrial
conditions.
Auth.
7.C4.24. Current condition of Georgian mining enterprises and
development trends. /E. Mataradze, T. Akhvlediani,
A.Gurjidze/. Mining Journal. – 2010. – #1(24).
– pp. 13-16. – geo.; abs.: rus., eng.
The difficulties being faced during transition to a market economy
have affected the operation of mining enterprises in
Auth.
7.C4.25. Establishment of natural depletion of brown coal-containing
layers by adsorption of calorific composite substances after the example of
some deposits. / G.Magalashvili/. Mining
Journal. – 2010. – #1(24).
– pp. 17-19. – geo.; abs.: rus., eng.
It has been established that in the case when coal-bearing rocks
are represented by bentonite clays, coal undergoes significant alterations, for
the bentonite clays, as a strong adsorbent, adsorb from the coal under
conditions of natural humidity a part of organics (humic acids, gums, and other
moving composite substances) thus depleting the coal, increasing its ash
content, and accordingly decreasing its calorific capacity. In the given case,
it is expedient to exploit the coal and “black” or organics-saturated rocks
selectively. It has also been established that the organic-saturated “black”
bentonite is an excellent organic and mineral fertilizer. At the same time, in
the case of coal briquetting, it may be used as a bonding material for
metallurgy.
Auth.
7.C4.26. Hydraulic stowing on mines Tkibuli-Shaori coal deposits. /V. Silagadze, L. Makharadze, M.
Jangidze/. Mining Journal. – 2010. – #1(24). – pp. 28-30. – geo.; abs.: rus., eng.
A short review of development of
a stowing worked-out area in the coal mines of Tkibuli is given. The stowage
materials applied at various times in Tkibuli are characterized and the
requirements to stowage materials are shown. The current state of coal mining
in Tkibuli and the stowing operations are underlined. A need for a new approach
to the selection of stowing technology and stowing materials is emphasized.
Auth.
7.C4.27. Problems of rational use of natural and man-caused
underground structures. /L. Japaridze/. Mining Journal. –
2010. – #1(24). – pp. 31-34. – geo.; abs.: rus.,
eng.
An analysis of worldwide practice of designing and construction of
underground structures is carried out. The intensive growth of volumes of
multifunctional use of underground spaces is marked. At the same time, the number
of accidents and significant over-expenditure of time and finance in the
construction of t tunnels are observable even in the technologically advanced
countries. One of the main reasons of the above is the poor organization of
design and accounting operations. G.Tsulukidze Mining Institute develops
original methods of coping with the above problems.
Auth.
7.C4.28. Structures securing safe operation of the manmade tunnel in
the Tskaltubo cave. /A. Abesadze,
The current state of the manmade,
long ago desolated and deformed tunnel connecting the Tskaltubo Karst cave with
the land surface is analyzed. Conditions of the established natural balance in
the area around the tunnel, without using fastening structures, ensure a
preservation of the free space therein. However, in the course of operation,
threats of different types will always exist. For liquidating such threats and
preserving the current state of the rocks around the tunnel, the facing
monolithic concrete, reinforced concrete and there alternative constructions
are developed.
Auth.
7.C4.29. On the question of copper flotation process control. /R. Enageli, A. Shekiladze/. Mining Journal. – 2010. – #1(24).
– pp. 58-59. – geo.; abs.: rus., eng.
The article discusses the process of flotation of copper ore layer
as the object of autoimmunization. The load points, as well as transport delays
caused by pulp movement through the concentrate and tails channel are
determined. A combined technique of the process control is proposed, providing
for automatic dosing of reagents in the main flotation according to distortions
by the open system and regulation of the reagents by two closed systems.
Auth.
7.C4.30. Selection of drilling technique taking into account the
rational composition of drilling solutions. /V. Khitarishvili,
The investigations carried out for selection of the drilling technique
parameters on prospecting boreholes with diamond crown bits using clayeyless polymer
drilling muds on the Madneuli-Poladauri deposit are considered. In contrast to
ordinary clay mortars, these muds make it possible to carry out the forced drilling
practices, during which a significant rise in mechanical speed is observable.
Auth.
7.C4.31. The analysis of prospects of using the Tkibuli-Shaori
deposit coal for production of cement. /S. Makharadze, Z. Sadunishvili/. Mining Journal. – 2010. – #1(24).
– pp. 94-99. – geo.; abs.: rus., eng.
The results of a research of using the Tkibili-Shaori coal as the main
fuel in Georgian cement industry (in Kaspi and
Auth.
7.C4.32. Doping
of thin films of thulium, praseodymium and neodymium sulfides. /K. Davitadze,
T. Minashvili, G. Iluridze/. Nano Studies. - 2010
- ¹2. - pp. 95‑97. - geo.; abs.: geo., eng.
Pure
rare-earth-elements sesquialteral sulfides are useless in microelectronic
devices. The present work deals with doping of such films. Namely, some dopants
have been chosen and appropriate doping technologies have been elaborated. In
no cases, the doping with lead or cadmium was found to form an additional
phase.
Auth.
7.C4.33. Stimulated phenomena in glass doped with CdSe quantum dots. /G. Dekanozishvili, D. Driaev,
T. Kalabegishvili, V. Kvatchadze/. Nano Studies. - 2010
- ¹2. - pp. 99‑102. - eng.; abs.: geo., eng.
Thermo-stimulated luminescence (TSL) of glass
samples doped with CdSe quantum dots (QDs) and irradiated with X-rays and UV
light has been investigated. UV effect is negligible, whereas between TSL
intensity and sample exposure time to X-rays there is linear correlation.
Photoluminescence and its temperature quenching were studied by thermo-optical
luminescence method.
Auth.
7.C4.34. Competitive
nanotechnologies for nanoelectronics, piezoengineering, photocatalysis and
composites particularly using electroless deposition. /T. Khoperia,
T. Zedginidze/. Nano Studies. - 2010 - ¹2. – pp. 127‑138. - eng.; abs.: geo., eng.
Electroless
metallization technology which allowed replacing adequately Au and Ag with
Ni − P or Ni − B alloys and simplifying
significantly the metallization process was developed. The proposed patentable
nanomethods for the first time allow one to produce nanochips and photomasks
with nano-sized adjacent elements by single optical UV photolithography. The
proposed nanomethods are much more advantageous and simpler than other
expensive and complicated methods such as e-beam, X-ray lithography or
fabrication of nanoelements using light-phase-shift photomasks. The proposed
methods of metallization are widely used in electronics, piezoengineering and instrument-making. As a result Au, Ag and Pd
were replaced with the alloys of non-precious metals; usage of toxic substances
was eliminated.
Auth.
7.C4.35 Conditions of
maintenance of profitable operation of Tkibuli-Shaori deposit. /I.Rekhviashvili, Z. Gordeziani, T.
Pirtskhalava, M. Basiladze,
It is shown that the process
flowsheets used on Tkibuli-Shaori coalfield for drilling-in, preparation and
mining of coal seams do not correspond to local mining and geological conditions.
They are complicating and increasing the cost of operating fields, have
contributed to the misconception about the alleged over-complexity of the
geological conditions of the deposit. The length of extraction columns is less
than
Auth.
7.C4.36. Problems of Tkibuli-Shaori deposit development.
/A. Mikeladze/. Mining Journal. – 2010.
– #2(25). – pp. 20-25. – geo.; abs.: geo.; eng., rus.
The paper discusses geological
conditions of Tkibuli-Shaori deposit. It is advised that the exploration work
be renewed and supported with the necessary personnel and funds. The current
and future demand for Tkibuli coal is defined. In order to ensure stability of
coal mining in the region, it is recommended to analyze a possibility of
development of existing mines through implementation of their adjusted projects.
A critical analysis of the proposal by a group of researchers on replacement of
the so-called “small” mines with a large mine with the annual capacity of 3-3.5
mln tons is given. It is recommended to replace the existing technologies of
coal mining by more reliable alternatives and to create a LLC
“Saknakhshiri”-based engineering research group (GIG-Group) for solving complex
mining problems.
Auth.
7.C4.37. Definition of
productivity of adventures in terms of resources conservation upon underground
mining. /A.Kikabidze, G. Shatberashvili/. Mining
Journal. – 2010. – #2(25). – pp. 26-27. – geo.; abs.: geo.;
eng., rus.
The principal methods of
determination of annual output of an adventure based on both mining facilities,
and corresponding technical and economic calculations, also, on the existence of
the adventure and the size of its resources are considered. Actually, on
determination of annual extraction along with the economic and technological
expediency, the social, ecological and the deposit conservation requirements are
taken into account. Other things being equal, only the annual extraction rise
makes it possible to develop the sites with poor oars. The article presents the
methods of determination of an annual production rate of a mine by a
comparative analysis, as well as enables to determine the boundary, after which
the extraction of poor ores is inexpedient.
Auth.
7.C4.38. Determination of the minimum volume of reserves for estimation
of technical and economic efficiency of mining of deposits. /A.Kikabidze, G. Shatberashvili/.
Mining Journal. – 2010. – #2(25). – pp. 28-29.
– geo.; abs.: geo.; eng., rus.
The transfer of mineral resources
into a category of reserves (in the availability of sufficient data of
geological prospecting) is possible only in the case when its quantity and
quality meet the requirements of economic efficiency of mining, and is
sufficient for payback of capital investments and gaining planned income.
Therefore, the determination of the minimum reserves meeting the requirements
of economic efficiency of their mining is rather urgent. At the same time, the existing
methods of calculations are rather laborious and imperfect. In this article, we
presented the technique of a calculation of the minimum volume of reserves for
an estimation of technical and economic efficiency of the deposit mining.
Auth.
7.C4.39. Investigation of benefication of manganese tailings and
slurry by magnetic method. /R. Enageli, M. Gamtsemlidze, M. Tutberidze, G.Javakhishvili/. Mining Journal. – 2010. – #2(25). – pp. 30-34. – geo.; abs.:
geo.; eng., rus.
The article gives the results of
beneficiation of stored waste (tailings and slurry) of Chiatura manganese ore
processing. The obtained statistical data have been processed by the methods of
mathematical statistics and optimization identification of technological
processes of beneficiation. The basic relations of the process have been
plotted, on the basis of which the beneficiation regime and range of
technological parameters have been determined
Auth.
7.C4.40. Investigation and control of dressing process of the
intermediate product of the manganese carbonate-based ore using magnetic
method. /M. Gamtsemlidze, M. Tutberidze, A. Shekiladze,
The technological scheme of
dressing of the intermediate product of the manganese carbonate-based ore using
three-stage process of magnetic separation has been considered; perturbing
values that affect on stratification of milling material, as well as the link
between the basic parameters, acting on processes, and indicators of dressing
have been established; corresponding graphs have been constructed; based on analysis
of the value of controlled parameters which allow to extract the maximum
manganese in the concentrate; the device of continuous measurement of these
perturbing values has been developed; the technique of control process
accordingly these values has been elaborated.
Auth.
7.C4.41. The analysis of amenity of plasma technologies in mining. /D. Gelenidze/. Mining
Journal. – 2010. – #2(25). – pp. 44-50 – geo.; abs.: geo.;
eng., rus.
Because of specificity of the
mining industry (big capacities, limited space, heavy working conditions, etc) the
amenity of plasma technologies in mining is complicated and seldom used. The
purpose of this work is to consider the essence of such plasma technologies and
the relevant work executed at the
Auth.
7.C4.42. Preparing of light cement solutions with addition of
microsphere and their use for fulfilling bridging works in boreholes. /V. Khitarishvili, N. Machavariani,
M. Asatiani/.
Mining Journal. – 2010. – #2(25). – pp. 51-54.
– geo.; abs.: geo.; eng., rus.
The peculiarities of the use of
light cement solutions with the addition of glass, ceramic, polymer and other
kinds of microspheres for cementing case pipes in boreholes are considered. It
is noted that microspheres of different density and different stability to
pressures in boreholes are manufactured and that the appropriate microspheric
grouting mortar can be selected for different boreholes. The use of these
mortars make it possible to decrease the material and time expenditures for
borehole casing, also provides the lifting of the mortar to the required height
and the separation of layers. The obtained cement clinker is distinguished by
high strength and stability to cracking. Thus, it can be concluded that for the
boreholes cementation in
Auth.
7.C4.43. Preservation of natural structure in facing
stone blocks made by blasting of explosive cord. /R. Mikhelson/. Mining Journal. – 2010. – #2(25). –
pp. 65-68. – rus.; abs.: geo.; eng., rus.
Laboratory tests on decorative stone
specimens produced by blasting block by means of explosive cord have been
conducted. During testing, the following indirect methods for estimation of the
stone structure were used: the definition of the propagation velocity of
ultrasonic vibrations, the ultimate strength under compression and tension, as
well as salt resistance of the specimens, taken at different distances from the
plane of the split. An analysis of the data revealed that the width of the
structural changes of stone, adjacent to the plane of the split, is 15-
Auth.
7.C4.44. Results of a short-delay
blasting test in underground mine opening of Chiatura Mining Company. /V. Lortkipanidze L. Khaduri, G. Tkhelidze/. Mining
Journal. – 2010. – #2(25). – pp. 69-73. – geo.; abs.: geo.;
eng., rus.
The cup-and-fuse blasting is the
most dangerous method of initiation of the blasting charges and is
characterized by low efficiency. However, the blasting of the charges is
carried out exclusively by this method in the underground mine openings of
Chiatura Mining Company. In order to improve blasting showings and further
safety of drilling-and-blasting, an electrical short–delay blasting was tested
in the underground mine openings of the mentioned company. The modern
possibilities of electrical initiation of blasting charges are shown. The
electric detonators of the ÝÄ-1-3-Ò type characterized by reduced sensitivity
to stray currents and charges of static electricity are chosen.
Auth.
7.C4.45. The calculation of
safe distance to prevent a danger of charge detonation. /N. Bochorishvili, A. Neverov/. Mining
Journal. – 2010. – #2(25). – pp. 82-83. – geo.; abs.: geo.;
eng., rus.
The paper presents five criteria
of danger, of which only the second is considered. It is the risk of
transmission of detonation from one charge to another. The safety regulations provide
only a minimum value of safe distances, which in most cases is insufficient and
people can be severely injured. The attitudes presented in the work allow for
an exact calculation of the safe distance and thereby for reducing the risk of
injuries.
Auth.
7.C4.46. Some remarks on coal mining flow charts recommended in the Coal Mine Safety
Regulations. /Al.
Mikeladze/.
Mining Journal. – 2010. – #2(25). – pp. 84-86.
– geo.; abs.: geo.; eng., rus.
Critical
remarks are given on coal mining flow charts which are recommended in the Coal
Mine Safety Regulations. It is recommended the looking for and the introduction
into production of special flow charts for mining coal seams at Tkibuli-Shaori become
a special topic for research, without which effective operation of the deposit is
impossible. Simultaneously, a special attention should be given to problems of
ecology and protection of geological environment and surface objects of the
region.
Auth.
C5. Mechanical Engineering. Instrument-Making
7.C5.1. Kinematic
analysis of passenger car optimum brake linkage. /G. Sharashenidze, P. Kurtanidze,
Based
on the analytical geometry principles and mathematical analysis the functional
dependences of hanger brackets of brake pads and the basic geometrical
parameters of brake linkage are determined. The corresponding analytical
expressions for angle of rotation of levers and angular speeds are obtained.
Auth.
7.C5.2. Methods of analog
indicating scale image reading. /K. Chapidze, Dadunashvili, V.
Demetrashvili/. Science and Technologies. – 2010. - #4-6. – pp. 35-38. – geo.,
abs.: eng., rus.
The
article states that in the process of scale reading with the use of contact
points of pixels in the image an error in determining the parameters and the
actual position of the label and pointer of analog devices is significantly
reduced.
Auth.
7.C5.3. Small-scale mechanization in sericulture. /I. Korchilava/. New Agrarian
The
development and revival of sericulture by means of small-scale mechanization
are considered. In particular, the design and process flowsheets of small-scale
mechanization facilities – mulberry leaf (bud) strippers and lead-cutters are
shown. For farming households are recommended simple types of feeding shelves
for silkworm feeding with mulberry characterized of many positive attributes as
compared with the existing ones.
Auth.
7.C5.4. Analysis and synthesis of traction
dynamics of wheeled vehicles. /A. Geguchadze, T. Morchadze/. Science and Technologies. –
2010. - #7-9. – pp. 62-66. – geo., abs.: eng., rus.
For
the purpose of decreasing energy expenses on the deformation of tires upon their
unstable contact with the surface, the authors propose using for driving-wheels
of mobile vehicles various annular elastic units as elastic muffs (for example,
elastic muffs for all-wheel drive mini tractor) or energy-conversion wheels
(for example, with annular elastic elements for a vehicle) as accumulators of torque
energy and its return to the power drive.
Auth.
7.C5.5. Development of a piezoelectric sensor of
seismo-vibration acceleration. /B. Mamikonyan, S. Karapentyan, V. Muradyan/. Georgian Scientific News.
– 2010. - #1(5). – pp. 34-45. – rus., abs.: geo., eng., rus.
A seismic-vibration acceleration
sensor in the range of frequencies 0.2 Hz through 50Hz is developed. Two disks
made of piezoceramic material – ÖÒÑ-19 connected sequentially and abidingly are
used as a sensitive element. Structural schema of the measuring system and
sensor construction are described, the technique, the applied equipment and
experimental research results are presented. Basic metrological characteristics
are defined.
Auth.
7.C5.6. Spiral separator device and control method. /M. Gamtsemlidze,
A
spiral separator device, in which by strengthening of centrifugal force and
vertical oscillations of whole spiral separator the increasing of effectiveness
of purification and extracting of minerals into concentrate product is possible,
is proposed. The process control method used for changing the volume of
centrifugal force and vertical oscillations for optimal control of specified
process, with consideration of disturbing volumes (such as value of feed and
rock mass grade), is developed.
Auth.
7.C5.7. Theoretical and experimental study of a trenching
machine. /V.
Samkharadze/. Collected Papers of the
The paper describes
the results of theoretical and experimental study concerning a trenching
machine. The study aims at determining dependence between the geometrical
properties of a cone-shaped trenching machine and soil properties: moisture,
density and adhesive capacity of soil particles on the surface of working body.
Optimal parameters of slope gradient are given.
Auth.
7.C6.1. Old Georgian ornament in modern clothes. /Z. Vadachkoria/. Science
and Technologies. – 2009. - #10-12. – pp. 105-108. – geo., abs.: eng., rus.
The
subject matter of the article is the history of Georgian national folk weaving
production. It is shown how important is the revival of Georgian national handicraft
and its introduction into the present. The purpose of the article is to combine
the old and new and manifest in Georgian national clothes in compliance with
the modern fashion requirements.
Auth.
7.C6.2. Strength research
of conjunctive stitch lines of immovable multilayer fabric sheaths. /M. Datuashvili, I.
Charkviani,
The article concerns the questions
of increasing performance of composite materials on the basis of textile
reinforced skeletons. The basic attention is given to the lack of layered
composites which are revealed in weak resistance between interlaminar shift and
cross section separation. Based on the problem, a device and technique determining
the strength indicator of conjunctive stitch line of fabric sheath are
developed. By considering the obtained results for sewing dome-shaped
reinforced multilayered sheets, the use of geodetic parallels and inter
perpendicular sections are recommended
Auth.
7.C6.3. Development of textile products. /Z. Vadachkoria,
The presented surveys the various stages of
development of textile products and their dependences. Also, it shows what kind
of work the department of Textile Technology and Design of Akaki Tsereteli State
University is performing in this direction. In particular, the work in the
direction of obtaining new kinds of hooks, developing textile for clothing, and
developing medical stockinet and surgical suture.
Auth.
7.C6.4. Investigation of 
-relaxation transfer of linear and
structured thermoplasts for shoes. /M. Shalamberidze,
The α-relaxation transfer of linear and
structured thermoplasts ÄÑÒ-30 and sybelene by using various hardeners has been
investigated. The thermoplasts are found to have on the base of latent
hardeners better elastic properties against the sulfur vulcanizates of corresponding
polymers.
Auth.
7.C7.1. Study
of antagonistic activity in the Adjarian (Khetsubani and Kapreshumi) natural
populations of wine yeast. /M. Menabde, J. Chitanava, A. Shatirishvili/. Science and Technologies.
– 2009. - #10-12.
– pp. 19-22. – geo., abs.: eng., rus.
Antagonistic
activities have been studied in strains isolated from the Adjarian (Khetsubani
and Kapreshumi) natural populations of wine yeast. The populations were
obtained from small farm wineries. Wine production occurs by spontaneous
fermentation of grape juice in such wineries. K, N and S phenotypic strains
were revealed in the studied populations of wine yeast. The populations were
found to be similar in structure.
Auth.
7.C7.2. The usage of red organic dye made from elder in
the liqueur recipe. /L. Akhlouri, M.
Khomasuridze, G. Datukishvili/. Science and Technologies. – 2009. - #10-12. –
pp. 109-111. – geo., abs.: eng., rus.
The
experimental was arranged to receive red organic dye in the form of extract.
The mass concentration of dye compounds was 40g/kg. The produced dye was used
to prepare a blackberry liquor of different dosage in order to estimate the optimal
dosage. The analytical parameters of the above-mentioned liquor were: ethanol
25 vol.%; the mass concentration of titric acids – 6,1g/l; the mass
concentration of extract 42g/l. The trial was examined for turbidity. Based on the
conducted analysis, the optimal dosage of red organic dye made from an elder
for blackberry liquor is 5g/l.
Auth.
7.C7.3. A new plant dye used in food industry. /G. Gvaladze/. Science and
Technologies. – 2010. - #4-6. – pp. 61-64. – geo., abs.: eng., rus.
The
beet (Beta vulgros L.) contains many
bio-active substances, including iodine, magnum, and painting substances. The
beet basically is applied in cookery for coloring food. The industrial use of
beet is limited. Since the beet contains magnum and a coloring substance
(betanidin) of bright red color, we investigated the technological properties
of the raw material of beet and concluded that beet is one of the best raw
materials for manufacturing red-color dyes. In addition, it can be successfully
used in the making of alcoholic and soft beverages.
Auth.
7.C7.4. Computeraized
experiment of storing of vegetable products. /S. Tevdoradze/. Science and
Technologies. – 2010. - #7-9. – pp. 92-96. – geo., abs.: eng., rus.
By
applying the methods of mathematical simulation, the influence on the storage
of vegetable products in the regulated gas medium with active ventilation of
the external parameters of the inlet composition, inlet temperature, gas medium
rate of movement, etc. is investigated. The complex and interdependent nature
of the influence of these parameters on the storage quality characteristics
makes it necessary to state and resolve an optimization problem for definition
of their rational values.
Auth.
7.C7.5. Rational technology of processing oil-bearing rose flowers. /N. Baghaturia, L.
Qajaia, R. Bziava, M. Demeniuk/. Agrarian-Economic Science and Technologies. –
2010. – #4. – pp. 45-49. – geo.; abs.:geo.; eng.
The purpose of the
study is to work out such rose flower processing technology that would make it
possible to increase the content of essential oil in the rose flowers, avoid production
waste and protect thus the environment, produce the essential-oil-enriched rose
water, and make rose jam. The entire new technology consists of three
technological processes. The first one produces a rose jam and rose distillate
enriched with essential oil. The second one utilizes the waste produced from
the first process to make a rose distillate. The third one produces rose water
for perfumery purposes. The physico-chemical characteristics of the rose water
and rose jam are established. Based on them, an entrepreneur’ standard and rose
flower processing instructions and relevant documents have been developed.
Auth.
7.C7.6. Development of a new assortment of nonalcoholic drinks for
diabetics. /T.
Nanitashvili, L. Qutateladze/. Agrarian-Economic Science and Technologies. –
2010. – #4. – pp. 50-54. – geo.; abs.:geo.; eng.
Developed from
sugar-containing topinambur (also known as Jerusalem artichoke) in compliance
with all necessary requirements: is devoid of specific smell, color and taste.
For the purpose, all properties of topinambur have been studied; instructions
on its harvesting and storage as well as an entrepreneur’s standard for
topinambur-based diabetic soft drinks have been worked out.
Auth.
7.C7.7. Making yellow coloring from saffron's flowers. /L. Qutateladze, M. Demeniuk, L. Ejibia/. Agrarian-Economic Science and
Technologies. – 2010. – #4. – pp. 55-57. – geo.; abs.:geo.;
eng.
Food colorings make products
attractive to the eye and enhance their natural color. The processes of this
natural food coloring extraction are studied. The physico-chemical
characteristics of both the dry saffron flower and the coloring proper are
given. A process technology for making natural yellow dye and the appropriate
technical specifications are worked out.
Auth.
7.C7.8. The research and utilization of some stone-fruits’ processing residual
stock.
/L.
Mujiri, M. Ormotsadze, E. Kalatozishvili, E. Uturashvili, N. Iluridze/.
Agrarian-Economic Science and Technologies. – 2010. – #4. – pp. 58-62.
– geo.; abs.:geo.; eng.
Based on the conducted research, the physico-chemical characteristics and
the adsorption properties of stones and rind of different peach varieties have
been studied. An analysis of the produced alcohol demonstarted that the peach
stone is characterized of best adsotption properties and can be used for refinement
of ethyl alchohol. It is not toxic and costly. The utilization of peach rind
was found to reduce the number of aldehydes to 4.0-3.9 mg/dm3. The
proposed technology and technical specifications provide for utilization of
peach rind for rectifying ethyl alcohol and producing an ecologically safe
product.
Auth.
7.C7.9. The improvement
of fruit-berry raw material processing technology by control of biochemical
processes. /L. Mujiri, M. Ormotsadze,
The experiment aimed
at researching the physical-chemical parameters of fruit–berry raw materials.
According to obtained results, the perspective varieties of the above-mentioned
raw materials were selected. In addition, based on technological properties,
the best varieties for the processing industry were selected to make such
products as dried fruits, churchkhelas, jams, fruit jellies, marmalades,
etc.
Auth.
7.C7.10. Optimization of
the drying process of hips.
/N.
Alkhanashvili/. Agrarian-Economic Science and Technologies. – 2010. –
#4. – pp. 66-68. – geo.; abs.: geo.;
eng.
A technology of artificial drying of hips, including preparation of
hips for drying, drying, inspection, sorting out and packing of dried fruits
has been developed. In order to determine the optimal mode of drying of hips, the
effect of the heat-carrying agent’s temperature, speed of movement and the
specific load of the dryer on drying kinetics and the quality of the ready products
were studied. A long keeping of hips in the drier at 80-100° temperature adversely
affects their chemical and organoleptic characteristics, which is
conditioned by redox ferment reactions ongoing in crude fruits under condition
of high initial humidity of fruits (60-66%). Because of the above, a
5-stage drying mode on five-band conveyer drying device was chosen, with a
gradual reduction of the heat carrying agent’s temperature from 80-85° (the first stage, the first
conveyer) to 30-40° (the fifth stage, the fifth conveyer). Such temperature
mode provides for reduction of humidity of hips from 60-66% (the first stage) to
10-15% (the fifth stage). The results of testing were processed by generation
of drying-temperature curves, the latter making possible to establish optimal
parameters of the five-stage mode of drying of hips according to the stages.
Auth.
7.C7.11. On drying vegetables on farms /N.
Alkhanashvili/. Agrarian-Economic Science and Technologies. – 2010. –
#4. – pp. 69-73. – geo.; abs.: geo.;
eng.
A raw vegetable drying technology directly on farms was elaborated
and the relevant equipment was chosen. Five-band conveyer type dryers with
regulation of a heat-carrier‘s temperature according to stages were selected for
the purpose. These drying devices are characterized of high sanitary-hygienic
conditions, with high level of automation, and less energy expense. They differ
in performance and dimensions; work on different kind of fuel, which enables
farmers to choose an accessible energy source, the desired performance and cost
of drying devices. Where necessary, 2-4 territorially closely located farms may
use one drying shop for complete processing of the raw material produced in the
farm. Widely cultivated on farms vegetables – cabbage and beetroot – were
chosen as the subjects of research and the optimal drying modes were
established for them.
Auth.
7.C7.12. Foundation of beer production in Tbilisi. /T.
Paichadze/. Gaenati Herald. – 2010. – v. 3, #3. – pp. 26-35. –
geo.; abs.: geo.; eng., rus.
The
work considers the basic issues of foundation and development of industrial
production of beer in
Auth.
C8. Construction. Architecture
7.C8.1. Theoretical calculation of the fire-resistance
limit of some fencing building constructions. /G. Abashidze/. Science and
Technologies. – 2010. - #4-6. – pp. 69-74. – geo., abs.: eng., rus.
The examples of theoretical determination of
fire-resistance limit of building constructions walls, partitions are given,
erected from: a) red brick of 12 cm thickness; b) concrete blocks (δ=20
cm); c) concrete hollow blocks (δ=30 cm); d) foamed concrete blocks
(δ=20 cm). Fire-resistance limit was estimated by II limiting state-heat
insulation capacity of the construction. The calculation is based on the
Schmidt method of finite differences. It is shown that the limit of
fire-resistance for all above-mentioned types of the constructions of indicated
thickness is more than 90 min. The proposed method for calculation of the
fire-resistance limit of fencing construction is recommended for designing of
building and structures as well as for performing of expert works for
estimation of fire safety of building objects.
Auth.
7.C8.2. The economic
aspects of geological and ecological conditions for construction of a terminal. /T. Tevzadze, M.
Vartanov, D. Potskhveria, V. Shurgaia/. Science and Technologies. – 2010. -
#4-6. – pp. 75-78. – geo., abs.: eng., rus.
The
article highlights the main geological and ecological conditions for
construction of a deep-sea terminal in the region of the estuary of river
Chorokhi. The article also refers to the economical aspects and the methodology
for evaluation of efficiency of this kind of construction, as well as to the
role of development of infrastructure and the increase of the geopolitical
factor of the country.
Auth.
7.C8.3. Contemporary
technologies of the asphalt-concrete pavement restoration and calculation of
power of the basic milling operating unit. /M. Baratashvili/.
Science and Technologies. – 2010. - #4-6. – pp. 79-84. – geo., abs.: eng., rus.
The
article considers contemporary technologies of the asphalt-concrete pavement restoration
and dependence of application of these technologies on the state of the roadbed
and pavement destruction degree; and also presents the fundamental dependence
of geometric and speed characteristics of the milling operating unit’s power
consumption.
Auth.
7.C8.4. The use of deluvium clay shales of special-purpose
in building materials. /G. Kukuladze, F.
Bezhanov, Sh.Malashkhia,
The
results of the use of diluvium of
Auth.
7.C8.5. Concrete class and grade; comparison
of American and Russian concrete strength determination standards. /G. Baliashvili, R.
Samadashvili, T. Rukhadze, Z. Gaganidze, N. Sarjveladze, M. Eloshvili, I.
Gogolauri/. Mining Journal. – 2010. – #1(24). – pp. 49-54. – rus.; abs.: geo., eng.
The
article gives dependences between strengths of cylindrical and cubic-shaped concrete
samples; class (C, B) and mark (M) at strength; difference of strength between
samples drilled vertically and of different humidity. A difference and analysis
between the American and Russian standards of concrete strength are given.
Auth.
7.C8.6. Explosive demolition of buildigs in
densely populated areas. /N.
Kukuladze, S. Khomeriki, Z. Kuchukhidze, A. Apriashvili, G. Bakhutashvili, L. Khaduri,
G. Tkhelidze/. Mining Journal. – 2010. – #1(24). –
pp. 65-68. – rus.; abs.: geo., eng.
The article provides parameters of the drilling and blasting
operations to secure explosive demolition of a building in a preliminary fixed
direction, as well as the nature of the effect of seismic waves and air blow
generated by the blast on the protected objects and the safe zones.
Auth.
7.C8.7. Tradition in the works of 20th century Japanese architects.
/M.
Davitaia/. Newsletters of
The article deals with the tendency of modern
Japanese architecture to preserve ancient traditions and principles after the
examples of the works of Kenzo Tange and Kengo Kuma, the architects of two
different generations in the 20th century.
M. Kopaleishvili
C9. Agriculture and Forestry.
Fishery
7.C9.1. Prediction of apple fruit storage. /Z. Shapatava, M.
Zhgenti, K. Dzeria, M. Makhatadze/. GEN. – 2010. - #1. - pp. 106-108. - eng.; abs.: rus.
A relation between the content of calcium in
apples and their dynamic diseases is discussed. Two apple cultivars,
Auth.
7.C9.2. Effects of preprocessing on the quality of dried
plums. /Z. Shapatava, K. Dzeria, M. Zhgenti,
The article deals with the effect of
preprocessing on the dried plum quality. Five plum varieties were examined,
namely Italian, D’Agen, Catherine, Shavkliava and Stanley. The content of
protopectin, cutinic acid, epicuticular and cuticular waxes in the plum exocarp
was identified. Based on the obtained data, the optimal blanching conditions
(caustic soda concentration and exposition time) were determined.
Auth.
7.C9.3. The influence of potassium deficiency on the metabolism
of grapes and wine quality. /O. Tsitsilashvili, M.Vibliani, T.Asashvili,
T.Khositashvili, L.Tsiklauri, N.Kandelaki/. GEN.
– 2010. - #1. - pp. 117-119.; eng.; abs.: rus.
The effect of potassium deficiency on the
metabolism of grapevine was studied. For creating the K deficiency, grapevine
cuttings were washed from mineral elements by passing through them a lot of
distilled water under pressure. After rooting, the shoots were placed in
nutrient solutions containing potassium or without it. It was established that
the K deficiency inhibited the growth of roots by 50-60% and of the overground
mass – by 40-50%. Some aspects of the effect of K deficiency in the grape vine
on the quality of grapes and wine were considered.
Auth.
7.C9.4. Testing virus free
potato clones. /G.
Bolgashvili, A. Zubiashvili/. Science and Technologies. – 2009. - #10-12. – pp.
112-114. – geo., abs.: eng., rus.
Auth.
7.C9.5. Wild chickpea in
Among
legume crops, chickpea is one of the most important ones. This notwithstanding,
the areas under in the country are very small. The chickpea is very important
for our country in terms of drought resistance; it is reach in proteins and
grows in the areas where beans do not grow. Different collection trips were
arranged in different country regions by the PGR Unit staff at the RI of Farming
with the financial support of the Georgia National Science foundation (GNSF)
and
Auth.
7.C9.6. The keeping
quality of the apple fruits after treatment by calcium. /T. Khokhobashvili/.
Science and Technologies. – 2010. - #4-6. – pp. 29-31. – geo., abs.: eng., rus.
The article investigates the
keeping quality of the apple fruits after treatment by 2% calcium chloride. The
investigation result demonstrated an increased resistance to physiological and
fungus diseases in the apples Sinapi
and Kekhura treated by calcium.
Auth.
7.C9.7. Methods of assessing the
volume of tractor work in plant growing. /O. Karchava, Z. Bregvadze/. Agrarian
The existing methods of assessing the tractor
work volume in plant growing does not take into account such working conditions
as sloping of the ground areas at big heights above sea level, their relief and
forms. The article states provides methods enabling real assessment of the
actual volume of agricultural works taking into account the above-stated
working conditions. The methods have been tested under specific working
conditions and are found to be suitable for employment in practice.
Auth.
7.C9.8. Study
of fitohelmints discovered in nematodefauna of the vineyard soil. /N.
Tsibadze/. Georgian Scientific News. – 2010. - #1(5). – pp. 15-17. – rus., abs.:
geo., eng., rus.
Sample materials for studying phytohelminths
in nematode fauna of the vineyard soil were taken for 2 years from 8 Imereti
regions. The investigation showed that the following phytohelminth groups had
been discovered in the nematode fauna of the vineyard soil: Tylenchida, Aphelenhida, Dorylainida. However,
the virus carrier nematodes from Xiphinema
series (Longidoridae family) are
particularly dangerous. 5 representatives of this series are discovered, which
evidences the potential danger for causing vine virus diseases.
Auth.
7.C9.9. Protein-rich forage production technology and Dolichos bean.
/I. Sarjveladze, J. Jincharadze,
One of the main
pre-conditions of animal husbandry profitability growth and cost price
reduction is the feeding of animals with protein-rich forage. For receiving balanced
forage, the best opportunity is the sowing legume crops on arable lands, including
Dolichos bean. The homeland of the crop is the eastern part of mountainous
Auth.
7.C9.10. Elaboration of agrotechnology
of cowpea (blackeyed pea) (Vigna sinensis End) crop for humid
subtropical zone of Georgia. /J. Jincharadze, I. Sarjveladze,
In the subtropical
zone of West Georgia, with the establishment of firm forage base in animal
husbandry, great attention is paid to the cultivation of protein-rich legume
crops, which significantly increases efficiency of the sector and improves
fertility of soil. The article gives a botanical-farming characterization
of this productive food legume crop of cowpea. The prospects of the crop as
forage in the subtropical zone are shown. Discussed are issues of the crop
yield of green mass for silage and seeds, also the qualitative indicators of the
obtained production. The crop yield is compared to certified legume crop of
soya beans in this zone. The experimental data show that the yield of soya
silage mass is 145.3 c/ha, while that of cowpea - 215.7c/ha, which by 70.7 c or
48% exceeds the soya yield. As for the seed yield of cowpea, they were not less
than that of soya – 15, 9 c/ha.
Auth.
7.C9.11. Philant (beewolf)
― the bee-hunter. /D. Baliashvili,
Beewolves (genus Philanthus),
also known as bee-hunters, are burrowing wasps, most of each prey on bees. The
predatory wasps attack foraging bees and beehive bees and kill them. A habitat
of the philant is areas of big apiaries, where it quickly propagates and harms
beekeeping. On an apiary of the Research Institute of Beekeeping, in Okrokana,
Auth.
7.C9.12. Problems of cattle breeding development and
the ways of their solving in Samtskhe-Javakheti. /G.
Gvelesiani, M. Okromelidze/. Agrarian-Economic Science and Technologies.
– 2010. – #3. – pp. 18-21. – geo.; abs.: geo.; eng.
The
article, on the basis of statistical data of 2000-2008, surveys the current
situation existing in cattle breeding. An analysis of the areas sown to forage
crops, their productivity and dynamics of production is made. The quantitative
data and structure of cattle, the sector’s efficiency and production level are
also given. The problems in the sector and the ways of their solving are
identified.
Auth.
7.C9.13. Prospects of industrially based poultry development in Kvemo Kartli region. /L. Kamarauli/. Agrarian-Economic
Science and Technologies. – 2010. – #3. – pp. 22-26.
– geo.; abs.:geo.; eng.
The article deals
with the historical review of poultry development on an industrial base. It is
proven that the supply of local population with eggs and chicken meat, as well
as the provision of markets with these products is possible only with the
building and development of poultry farms. The article also deals with the
estimation of industrial and economic indices of poultry farms in Kvemo Kartli
region. The investigations prove that the indices of eggs production in two
poultry farms “Dila” and “Savaneti” are different. The first farm, with 205
thousand heads, or 77% more layers than the second farm, obtains 10 eggs more
per layer, and the cost of 10 eggs is less by 12 tetri, whereas the
profitability level is higher.
Auth.
7.C9.14. Use of
tomato dry remains in broiler’s feeding. /T. Pirtskhalaishvili, M. Kurashvili, V.
Klibadze, M. Tsomaia, K. Jikia/.
Agrarian-Economic Science and Technologies. – 2010. – #3. – pp. 31-36.
– geo.; abs.: geo.; eng.
The article examines the results of use of
production remains - dry pressed tomato skins – in broiler’s feeding. By
studying physical qualities of tomato remains and conducting zootechnical and
chemical analysis. It was ascertained that it satisfies the main requirements
of preparatory component (ingredient) of combined feed and represents an
important reserve for manufacture of the poultry combined feed. By use as
poultry feed it was ascertained that 5% dry tomato remains in the broiler’s diet
improves its zootechnical index, namely, live weight grows by 10.6%, pigmentation
of the carcass’s skin – by 55-61%. Also improved is the uptake of nutrients
from the feed, without causing pathology of the internal organs.
Auth.
7.C9.15. A comparative assessment of economic efficiency
of high and traditional potato cultivation machinery. /O. Karchava, M. Zarqua/. Agrarian-Economic Science and Technologies. –
2010. – #3. – pp. 37-41. – geo.; abs.: geo.; eng.
An important share of agricultural produce,
namely of potato, is currently imported because of low competitiveness of locally
produced farm products. The main reason of the above is the application of
outdated machinery and farming practices. The paper substantiates the
efficiency of employing high-tech machinery in plant cultivation after the
example of potato growing. Considered is a potato cultivation technological
adapter developed for the subalpine zone of Samtskhe-Javakheti region and the
favorable statistic of its application are given.
Auth.
7.C9.16. Possibilities of utilization of mineral
resources of Georgia in the production of necessary fertilizers for agriculture.
/R. Kvatashidze, Sh. Malashkhia, J. Kakulia, G.
Kukuladze, V. Totibadze, N. Lomidze, L. Kartvelishvili/. Mining Journal. –
2009. – #2(23). – pp. 9-11. – geo.; abs.: rus., eng.
The
possibilities of using mineral resources of Georgia for the production of
required fertilizers to meet the needs of agriculture are considered; a
possibility of using waste coal production and low-quality coal for the
production of complex biological fertilizers is considered; a brief description
of main deposits of phosphates and potassium-containing minerals (trachytes,
glauconite) and the possibilities of obtaining on their basis of phosphate,
potash and compound fertilizers with the use of biotechnology are given.
Auth.
7.C9.17. On the
development of poultry keeping in Georgia. /T.
Pirtskhalaishvili, V. Klibadze, M. Kurashvili/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 23-27.
– geo.; abs.: geo.; eng.
The article examines the state of development
of poultry keeping in Georgia for the last 20-25 years, including the sector privatization
and its results. The indicators of revival of the poultry keeping sector during
the last 5-6 years are presented, in particular of such branches as egg and
meat production. The article also provides the result of recent studied carried
out in the field, focusing on the importance of setting up poultry farms based
on poultry of local breeds and indicating the demand of the local population
for poultry products.
Auth.
7.C9.18. Silage crops
for farms of East Georgia. /I. Sarjveladze, A. Korakhashvili, I. Vepkhvadze, N. Chankvetadze/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 29-34.
– geo.; abs.: geo.; eng.
The issues of creation of a stable feed base for animal farming are
considered. Attention is paid to the production of quality silage in ensuring
profitable animal husbandry. The favourable traits of silage are considered,
such as its ability to assist animals in digestion of fodder, improve the appetite,
etc. In addition, its use will reduce the consumption of costly combined feed
and positively affect the cost of animal keeping and of final product.
Auth.
7.C9.19. On the
establishment of production standards of Georgian grey mountain bee. /A.
Kordzakhia, I. Mumladze, G. Madzgarashvili, B. Tsitlidze, T. Bostashvili/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 63-66.
– geo.; abs.: geo.; eng.
The Georgian bee is known
for its perfect economical and biological traits, the evidence of which are the
three gold medals awarded to the Georgian bee at the World Beekeeping Congress
(Germany-1961; Romania-1965; USSR- 1971). In spite of such positive traits, no
science-based industry standard of the Georgian bee, its swarming, queen bee, honey,
wax, and propolis has been developed. The main aim of this study is to develop
such national standards, which will greatly promote the Georgian beekeeping
products on local and foreign markets.
Auth.
7.C9.20. Measures against varoatosis and acarapidosis in honey bees. /T. Tivishvili, N. Kipiani, D. Baliashvili, T. Matnadze/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 68-72.
– geo.; abs.: geo.; eng.
The article deals with the continuation of a study of the epizootic
situation concerning acarapidosis that was initiated in 2008 and encompassed the
apiaries of Sagarejo, Sartichala, Sighnaghi, Lagodekhi, and Akhmeta districts. The
article considers in detail the research methods used, the collected test
material, and the measures to fight the disease, citing a rich literary
material on the subject.
Auth.
7.C9.21. Sainfoin as
honeybee feed. /L.
Baliashvili, N. Chopikasvhili/. Agrarian-Economic Science and
Technologies. – 2010. – #2. – pp. 74-76. – geo.; abs.: geo.;
eng.
Sainfoin is the best honey plant. The height
of its stem is 70-
Auth.
7.C9.22. The former
and current forms of wood-use permits. /L.
Zedginidze, A. Zedginidze/. Agrarian-Economic Science and Technologies.
– 2010. – #2. – pp. 84-86. – geo.; abs.: geo.; eng.
The paper deals with the forms of permits to
use wood resources in the former Soviet Georgia and under the current
conditions of a market economy. One of the major legal documents was a wood
cutting ticket (order) issued by forestry authorities. The document contained all
the requirements to be met both by the owner of the forest and its user. The
paper also describes the current forms of wood-use permits, the rules for applying
for a user permit, its getting and cancellation, as well as the shortcomings
and advantages of the procedure.
Auth.
7.C9.23. The quality
traits of corn/maize (Baltis variety) and prevention of post-harvest washout of
macronutrients. /J. Shavreshiani,
N.Berenikashvili, T. Subeliani, T. Chitashvili/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 88-91.
– geo.; abs.: geo.; eng.
The article deals with quality traits of corn
as one of the most valuable food and feed crops, as well as with the measures
aimed at lessening the use of mineral fertilizers and replacing them with
organic ones. In this connection, the rates and terms of fertilizer application
and their impact on different traits of the maize seed and straw are discussed,
attention being paid to non-fertilizer methods of corn growing.
Auth.
7.C9.24. East
Georgian black-earth soils’ research materials and recommendations. /T. Khurtsidze, I.
Gvimradze/. Agrarian-Economic Science and Technologies. – 2010. – #2. – pp.
93-96. – geo.; abs.: geo.; eng.
The article provides recommendations on the
proper farming practices, the conduct of soil protection and productivity rise measures,
the application of science-based and tested scientifically well-founded
recommendations as the guarantee of obtaining highly productive and quality
harvest. Also discussed are such issues as the measures aimed at reducing the
rate of nitrates, maximum compliance with the sowing dates, protection of the
soil from weeds, the application of proper irrigation techniques, a balanced
application of mineral fertilizers and maximum use of organic/biological means,
etc.
Auth.
7.C9.25. On the present state of the Georgian agrarian sector.
/J. Archvadze, E. Mekvabishvili/. Economics and
Business. – 2010. - #6. – pp. 107-114. – geo.; abs.: eng.
The article
mentions agriculture as the oldest and traditional field of Georgian economy.
At the same time, in addition to the role and importance of the sector, the
authors mentioned the poor state in which the country’s agriculture has been
for quite a long period of time. The statistics of the employed in the
agricultural sector are given in comparison with other sectors of economy. The
authors stress the necessity of taking energetic measures on the part of
authorities to improve the situation and revive this traditional for Georgia
sector.
Auth.
C10. Water Industry.
Melioration
7.C10.1. Thermophysical calculation of a water-supply
system of Madneuli Concentration Plant. /O. Lanchava/. Mining
Journal. – 2009. – #1(22). – pp. 51-53. – geo.; abs.: eng., rus.
The
main purpose of the calculation is to determine the thickness of the
heat-insulating layer of water-supply pipes which is necessary for preventing
the freezing of the system in the wintertime and the forming of a condensate in
the summertime. Simple calculation formulas and methods are given to cope with
the problem.
Auth.
7.C10.2. Hydrochemical
indicators of Apsheron Archipelago water quality. /A. Abakarov, G. Mekhtiev/. Collected Papers of
the Institute of Water Management. – 2009. - #64. – pp. 22-24. – rus., abs.:
geo., eng., rus.
The article presents
the hydrochemical indicators of the water quality within the tourism-development
zone of the Apsheron Archipelago. The causes of water pollution in the area
are discussed in detail.
Auth.
7.C10.3. Operational reliability
of collector-drainage network. /A. Aivazov,
R. Zakieva/. Collected
Papers of the Institute of Water Management. – 2009. - #64. – pp. 25-30. –
rus., abs.: geo., eng., rus.
The paper describes the results of an analysis regarding the efficiency
of the collector-drainage network obtained on the basis of the actual data of the
drain flow module in the period of land development. The
mathematical-statistical data, the probability and reliability factors of the irrigation
schemes are presented.
Auth.
7.C10.4. The impact of
irrigation systems on ecological condition of Mil-Karabakh Pedmont Plain of the
Republic of Azerbaijan. /A. Alimov, T.
Zeinalov/. Collected
Papers of the Institute of Water Management. – 2009. - #64. – pp. 31-34. –
rus., abs.: geo., eng., rus.
The paper analyzes the changes of ecological and hydrogeological
conditions that appeared after putting into operation large irrigation systems,
increasing irrigated areas and water supply for irrigation, respectively. The
alteration of groundwater regime of Piedmont Plain differs between top and end
of the detrital cone of river arteries, which is associated with the flow rate
of groundwater. This leads to the differentiation of ameliorative activities.
Auth.
7.C10.5. An improved design of water level meter for storage ponds. /I. Gabrichidze, Z. Gedenidze/. Collected Papers of the Institute of Water
Management. – 2009. - #64. – pp. 45-47. – geo., abs.: geo., eng., rus.
The paper describes a new water level meter, which is characterized by
its universality, high accuracy level and safety. The measuring device consists
of float and counterweight (plummets) shafts. The measuring and transfer
devices are connected to the axe-heads of toothed wheels located above the
shafts. One end of the chain or rope thrown over the toothed wheels is
connected to the float, and the other - to the counterweights. Variation of
pond water level causes the flight and, appropriately, the counterweights to
move up and down. The measuring device is recommended to be used in practice.
Auth.
7.C10.6. Impact of water flow
rate on the canal structure dformation. /Gogsadze, K. Bziava, I. Inashvili, N. Undilashvili/. Collected Papers of
the Institute of Water Management. – 2009. - #64. – pp. 67-70. – geo., abs.:
geo., eng., rus.
A semi-empirical limit dependence of channel-forming
water flow velocity, which allows determining optimal parameters needed for the
designing and construction of channels was determined.
Auth.
7.C10.7. Empirical dependences of
rolling (bottom) and solid sediments in the catchment basins of Gorgian rivers.
/R.
Diakonidze, G. Chakhaia, L. Tsulukidze/. Collected Papers of the Institute of
Water Management. – 2009. - #64. – pp. 77-81. – rus., abs.: geo., eng., rus.
The empirical
dependences given herein can be used to provide approximate prediction for the
unstudied rivers of Georgia regarding the discharge of bottom and solid
sediments under natural conditions.
Auth.
7.C10.8. Possibilities to use binary tariffication of
irrigation water. /M. Vartanov, K. Iordanisvhili/. Collected Papers of the
Institute of Water Management. – 2009. - #64. – pp. 92-95. – rus., abs.: geo.,
eng., rus.
To increase efficiency in the use of
irrigation water, a new differentiated tax should be assigned for water supply
to the inner agricultural schemes. This tax should depend on natural-climatic
and technical conditions of irrigation in accordance with general and
preferential tariffs and penalties. The general tariffs include water supply
for preliminary watering and irrigation season. The above-mentioned is
calculated in accordance with the existing norms regarding the types of crops
and individual farms, as well as other industrial needs. The preferential
tariffs include water supply for water spreading and flushing. Penalties
include excessive water supply during the irrigation season and for the other agricultural
and industrial needs as well as unauthorized use of water.
Auth.
7.C10.9. Generalization
of the time of hydrological drought and runoff characteristics in the rivers of
the Lesser Caucasus. /F.
Imanov, A. Guliyeva/. Collected Papers of the Institute of Water Management. –
2009. - #64. – pp. 125-129. – rus., abs.: geo., eng., rus.
The
paper analyzes the time and characteristics of the hydrological drought in the
rivers of Lesser Caucasus. The surveys have been implemented via the analysis
of complex diagrams plotted for hydro economic year. The methods needed to
analyze the characteristic of the hydrological drought are proposed on the
basis of space-time fluctuations of runoff.
Auth.
7.C10.10. Eutrophication processes
in ponds and reservoirs. /D. Kereselidze, V.
Trapaidze, M. Alaverdashvili, G. Bregvadze/. Collected Papers of
the Institute of Water Management. – 2009. - #64. – pp. 150-156. – geo., abs.:
geo., eng., rus.
The resource degradation of ponds and reservoirs is caused by
anthropogenic and natural eutrophication, which causes the loss of biogenic
elements from the reservoirs. The initial biogenetic reproduction starts to
exceed destructive processes; as a result, aerobic processes replace the
anaerobic ones, the hygiene and drinking water quality, as well as sanitary and
recreation conditions of pond deteriorate. The paper describes the factors causing
the eutrophication of ponds and reservoirs and the assessment indices, as well
as a mathematical model developed to forecast eutrophication processes in
reservoirs, which depends on the population dynamics of phytoplankton in a reservoir.
The theoretical model is based on the examples of some ponds and reservoirs. Some
practical results are also given.
Auth.
7.C10.11. Theoretical
and experemint methods to investigate and express infiltration. /R. Kiladze, L.
Kekelishvili/. Collected Papers of the Institute of Water Management. – 2009. -
#64. – pp. 178-183. – rus., abs.: geo., eng., rus.
The paper describes
theoretical and experimental methods to express infiltration during the motion
of variable water flow on leaking bottom. The authors have developed effective
methods to express infiltration. The first – determination of identification
parameters, especially, during the irrigation (initial stage), without
implementation of special tests and, the second – use of test data concerning
the infiltration without their processing.
Auth.
7.C10.12. Seepage resistance of
subsurface drainage facility. /N.
Makhmudov/. Collected
Papers of the Institute of Water Management. – 2009. - #64. – pp. 189-191. –
rus., abs.: geo., eng., rus.
The paper describes the results of surveys of the subsurface drainage
made of PVC pipes placed on sandy gravel material. The authors have determined
the seepage drainage resistances (total, general and additional) and compared
them with rating values.
Auth.
7.C10.13. Indirect hydraulic
jump of cohesive debris flow. /O. Natishvili, V. Tevzadze/. Collected
Papers of the Institute of Water Management. – 2009. - #64. – pp. 192-196. –
rus., abs.: geo., eng., rus.
The paper contains a
design diagram for the indirect hydraulic jump of cohesive (high-concentration)
debris flow during its influence on vertical wall, which is located at a
certain angle to the motion of flow. It is recommended to consider the designed
dependence of cohesive debris flow during its motion on the talus train. We
have taken into account anomalous nature of cohesive debris flow.
Auth.
7.C10.14. New intake
structures on mountain rivers. /R. Petevotyan/. Collected Papers of the
The article presents
constructive solutions for the intake units on mountain rivers, which can
provide maximum discharges during floods without damaging the structures. At
the same time, they will provide efficient reception of required water, its
preliminary treatment, removal of sediments from the structures and their
supply to the basin.
Auth.
7.C10.15. On the calculation
of energy losses for the nonstationary laminar motion of viscous fluid in ring
cylindrical pipe. /A.
Sarukhanian/. Collected Papers of the
The article considers
non-stationary laminar motion of viscous fluid in ring cylindrical pipe, as
well as a mathematical module of the problem. The course of problem solution
has been set out for general cases, when starting conditions and boundary
conditions are provided in the form of random functions. The received general
solutions allow resolving specific problems and determine the profile of
velocities across the cross section of the flow, change in average velocity,
and the quantity coefficient of motion, as well as loss of energy over time.
Auth.
7.C10.16. Prediction of erosion processes and debris
flows in the basin of the Tskhenistskali Rver. /G. Chakhaia, R. Diakonidze, L. Tsulukidze, P. Lortkipanidze/. Collected Papers of
the Institute of Water Management. – 2009. - #64. – pp. 228-231. – geo., abs.:
geo., eng., rus.
Taking into account
the quality of damages, the erosion coefficients of slopes were determined for
the 14 tributaries (debris flow-type) in the catchment basin of the
Auth.
7.C10.17. Descriptive
modelling of water pollution rate in water
reservoirs. /Z.
Tsikhelashvili/. Collected Papers of the
The descriptive
models to assess and predict water pollution rate were developed to provide an integrated
control of surface water pollution rate in water reservoirs (reservoirs,
rivers, lakes etc.). They can be used as real instrumental tools to ensure the
regulation of chemical contaminants, monitoring and control (supervision) and
to avoid anthropogenic and man-caused pollution of surface waters in accordance
with the categories of water use (potable and residential water use and
fishery water use). The results of modeling are recommended for the adoption by
the Ministry of Environmental Protection and Natural Resources of Georgia to
provide integrated control of water pollution rate and by all those subjects,
who are connected with the pollution of water reservoirs.
Auth.
7.C10.18. Assessment
of effects of large reservoirs on peak discharges of transboundary
rivers,
The paper describes
the results of assessment concerning the changes in natural maximum discharges
of the Mingechaur and the Araks Reservoirs, and appropriately, of the Mtkvari
and the
Auth.
C11. Foreign and Domestic Trade. Tourism
7.C11.1. Recreational peculiarities of Georgian health
resorts.
/I. Amkoladze, D.
Megrelidze/. Gaenati Herald. – 2010. – v. 3, #3. – pp. 13-18.
– geo.; abs.: geo.; eng., rus.
For
centuries
Auth.
7.C11.2.
After
Auth.
7.C11.3. Service quality evaluation methods in tourism
marketing. /Ch. Jashi/. Economics and Business. – 2010. - #6. – pp.
115-128. – geo.; abs.: eng.
The article aims
at analyzing the available service quality ebaluation methods in the sphere of
tourism, based on the works by well-known foreign researchers. A popular service
quality evaluation model is the so-called SERVQUAL developed by Parasuraman,
Zeithaml, and
Auth.
7.C12.1. Express-diagnostics
and control for determining worthiness of car brake systems. /T. Dvalishvili, R. Chabukiani,
B. Bobokhidze/. Science and Technologies. – 2009. - #10-12. – pp. 73-75. –
geo., abs.: eng., rus.
The
work deals with a new express monitoring method and a respective diagnostic
device designed for determining the efficient performance of an automotive
brake system which ensures in a short period of time, 20-25 seconds, to
determine serviceability of the brake system. The method and the device make it
possible to establish and exercise regular monitoring of the brake system and
exclude the putting in operation of an automobile with a faulty brake.
Auth.
7.C12.2. Improving
the passability of high-tonnage, all-wheel drive trucks by using
a hydro-pneumatic shock-absorber in their suspension. /T. Morchadze, D. Kbilashvili, G.
Gogitidze/. Science and Technologies. – 2009. - #10-12. – pp. 76-80. – geo.,
abs.: eng., rus.
To
improve the passability of high-tonnage, all-wheel drive trucks, an original design
of hydro-pneumatic shock absorber is proposed. It is a combination of hydraulic
and pneumatic devices for the vertical damping of vibrations. A detailed
description of the design and its technical features is given.
Auth.
7.C12.3. Servicing
characteristics of a motor vehicle’s power supply system. /I. Kamkamidze, T. Kochadze,
The
work considers the servicing modes of a motor vehicle’s power supply system;
their negative sides, and a new formulation of the power balance, providing for
the temperature indicators of the storage battery, as well as many other
relevant indicators and chrematistics.
Auth.
7.C12.4. Calculation of dead-liquid
cooling dynamics in pipelines. /V. Silagadze, M. Jangidze/. Science and
Technologies. – 2009. - #10-12. – pp. 93-96. – geo., abs.: eng., rus.
The
calculation dependences of dead-liquid cooling dynamics in pipelines are analyzed
in the article. A difference between the cooling calculation time and
experimental data is fixed. The conversion coefficient to be included in the calculation
formula is set.
Auth.
7.C12.5. Theoretical investigation of secondary suspension
bracket. /G. Lekveishvili,
During
composition of a mathematical model, it is necessary to meet the main
requirement - the model shall ensure determining of all the searching values
with the sufficient accuracy for engineering calculations. There is necessary
to envisage the main distributive function, in particular an action came from
the road and those dynamic parameters, which mostly are acting on the research
process. In compliance with the task assigned for the theoretical investigation
of the cabin’s secondary suspension bracket it is necessary to envisage the
elastic damping characteristics of the tire, main suspension bracket, cabin’s
secondary suspension bracket and of driver seat. It is necessary to envisage
the non-linearity in the developed mathematical model with consideration to
preserve the dynamic model’s internal properties. In consequence of the above
mentioned, in order to provide the research works it is necessary to create the
plate model for the system ~road-eye-suspension bracket-cabin- seat suspension
bracket”, in compliance with which we will study the intensity of the
fluctuations came to the seat. Then we are determining the impact of the
longitudinal-vertical fluctuations on the driver’s cabin and seat, selecting
the rational values of the elastic-damping characteristics. In compliance with
above mentioned there is created the plate mathematical model, defined the
road’s distributive function. In accordance with mathematical model there is
made up the nine-degree freedom equation system with two variables, determined
the appropriate factors and values, the calculation of which is possible by
means of statistical-dynamic method.
Auth.
7.C12.6. On
the essence of transition creep and roughness curves of carriage
wheel roll surface. /G.
Sharashenidze, N. Mgebrishvili, P. Kurtanidze, T. Dundua, S. Sharashenidze, G.
Usanetashvili/. Science and Technologies. – 2010. - #4-6. – pp. 90-97. – geo.,
abs.: eng., rus.
The
article gives a kinematic analysis of the carriage wheel movement taking into
account of short roughness on the wheel roll surface. The functional
dependencies of roughness are given. The necessity of reduction of geometrical roughness
for the purpose of improvement of the carriage dynamics and the rolling stock traffic
safety is established.
Auth.
7.C12.7. Modern
trends of cargo and passenger transportation development on the Georgian
Railway. /P. Kenkadze,
L. Lomsadze, G. Zhvania, P. Kutateladze, D. Kiknadze/. Science and
Technologies. – 2010. - #4-6. – pp. 111-114. – geo., abs.: eng., rus.
The
article considers the current development of transportation process (cargo and
passenger transportations) on the Georgian Railway. Further directions of the transportation
process development in are defined, taking into account the existing and prospective
technological factors as well as the requirements of modern international
transport passageways.
Auth.
7.C12.8. Influence of non-technological clearance on kinematic
parameters of the motor car lever transmission. /G. Sharashenidze, T. Dundua, A. Sharvashidze, P. Kurtanidze, M.
Akhalbedashvili,
The
work considers the questions of theoretical research of kinematic parameters of
the electric train motor car lever transmission, taking into account non-technological
clearances in joint connections. The formulas with generalized co-ordinates,
defining displacements, linear speeds and accelerations of the levers’ center
of mass and contact points of joint connections with clearances, and rotation
angles of brake transmission leverage are given.
Auth.
7.C12.9. On the sectioning of the main hydratransport system
for averting pressure jumps. /L. Makharadze, A.
Sharikadze,
An issue of sectioning the main hydrotransport
system for the purpose of averting the onset of pressure oscillations is
examined. It is stated tat in many instances this method can be successfully
realized for the purpose of averting pressure jumps during the startup and
stoppage of the system, provided the specific conditions (the length of
pipeline main and its longitudinal section) of functioning are rationally . The
methods of rational sectioning and recommendations for selecting a respective
implementation mechanism are given.
Auth.
7.C12.10. Calculation of the ropeway haulage rope’s longitudinal oscillation
parameters. /T. Javakhishvili/. Mining Journal. – 2009. – #1(22). – pp.
43-47. – geo.; abs.: eng., rus.
The
ropeway haul rope’s longitudinal oscillation parameters are calculated based on
the fact that the rope is an equivalent spring with a weight suspended thereon.
The main allowance consists in the fact that the vibration at the point of
weight suspension rather than of the whole rope is discussed. The rope rigidity
and bringing mass coefficient calculating formulas are given; oscillation
frequency calculating formula is deduced. The rope oscillation parameters’
dependence on span length, rope load and its location in the span, span chord
slope angle, etc. are analyzed. The sphere of application of results is
reversible aerial ropeways and crane cables.
Auth.
7.C12.11. Fire safety
analysis of ventilation systems of road tunnels. /O. Lanchava/. Mining Journal. – 2010. – #1(24). – pp. 100-104. – geo.; abs.: rus., eng.
A method of mathematical modeling is used to analyze the impact of
strong and very strong fire on ventilation systems of road tunnels for the
purpose of establishing the period of their collapse and management of extreme
situations. Models are executed for a longitudinal ventilation system using jet
fans and for semi-cross-section sucking away system of airing which are adapted
in
Auth.
7.C12.12. Prospects of cable transport
use in
A short history of new generation
cable transport origin and development, its main constructive elements,
positive and negative sides, spheres and scale of application is given; on the
basis of which recommendations about prospects and area of its use in
Auth.
7.C12.13. The aerodynamic
calculation of Marabda-Akhalkalaki line railroad tunnels. /O. Lanchava/. Mining Journal. – 2010. – #2(25). –
pp. 55-58. – geo.; abs.: geo.; eng., rus.
The airflow in a tunnel under the
influence of the swabbing effect of train movement and aftereffect is
established by means of an aerodynamic calculation. It is found that for the given
tunnel conditions about 2/3 of the airflow resulting from the swabbing effect
move in the direction of the train movement, while the rest flows in the opposite
direction, to a free space between the train and the tunnel line. This provokes
air turbulence and represents a common constituent of aerodynamic resistance.
Despite this, all galleries of the Marabda-Akhalkalaki trunk-railway can be
aerated at the expense of natural draught resulting from the train swabbing
effect. To better use the swabbing effect-generated draught, all chambers and
niches should be equipped with air holes along the both sides of the tunnel.
The sectional area of each air hole should make 5.6m2. The mentioned
measures will lessen the aerodynamic resistance aroused by the airflow and
allow supply of the calculated air to the tunnel using the swabbing effect.
Auth.
7.C12.14 The thermophysical calculation
of ventilation of Marabda-Akhalkalaki railroad tunnels. /O.
Lanchava/.
Mining Journal. – 2010. – #2(25). – pp.
59-64. – geo.; abs.: geo.; eng., rus.
The article deals with the thermophysical
calculation of the ventilation of tunnels and the preparation of a working
draft of ventilation by order of the State Transport Engineering Institute (
Auth.
7.C13.1. Textile bandage materials in the treatment of diabetic foot. /E. Buadze,
The materials for using the textile
bandages in treatment of diabetic foot are searched. It is found that among the
applied treatment methods textile bondage materials prevail and that none of
the bandage materials available on the pharmaceutics market meet the standards
that are essential in the treatment of diabetic foot.
Auth.
7.C13.2. Study
of the effect of medicinal napkins on living organismus. /E. Buadze,
The article provides the results of study
of toxic and antimicrobial effects of special medicinal napkins toxicological on
living organisms. In studying the effect of such napkins on healing wounds in
Wistar white rats, it was found that (i) the medicinal napkin is nontoxic and
does not affect the rat’s organs and weight; (ii) no signs of allergy are
observed in the places of application; (iii) the best results in terms of wound
healing and antimicrobial status are obtained in the case of the napkin
prepared under the recipe #3; (iv) the
established medical composition is as follows:
metiluracil – 18%, levomictin – 24%, actovegil –0,6%, filling agent -57,4%.
Auth.
7.C13.3. The green world around us. /Z. Vadachkoria, E.
Buadze,
The article deals with the questions
of phototherapy. It shows its role in the treatment of various diseases. The
sources and questions of treatment by plants of different countries and peoples
since the prehistoric times up to these days are surveyed. Based on the work
performed, it is concluded that phototherapy has great and brilliant prospects.
Auth.
7.C13.4. Bioethical questions of interrelation with
patients.
/G. Eliava,
In
the doctor-patient relations attention should be paid to the patient’s age;
close relationship with the patient’s relatives; in addition to conservative
and surgical ways of treatment, of special importance for the treatment process
and outcome is the therapeutic property of ‘the doctor’s word’.
Auth.
7.C13.5. Etiopathogenesis and pathanatomy of acute
periodontitis. /G. Eliava,
The
work discusses various forms of periondotitis, including the medicament one
which can be caused by the action of biogenic amines on the periodontium Specific
and general non-specific reactions are considered. The pathologoanatomic
picture changes at the early and late stages of acute periondotitis. Micro
abscesses and dystrophic changes in the bone tissue are characteristic of the
late stage.
Auth.
7.C13.6.
The
principles of evolution are revealed in salivary glands, their essence being
the creation of a material substrate for implementation of a reinforced
function and duplication the action of other organs
Auth.
7.C13.7. Structural and functional changes of lungs in
an antenatal and postnatal ontogenesis. /D.
Kobeshavidze,
In
addition to their function in respiration, lungs can perform other functions as
well, such as the taking a part in heat regulation, apportioning function,
defensive function. The maximum quantity of bronchial rows is achieved in a sixteen-week
embryonic development of lungs. Intensive ‘alveolization’ is characteristic of
newborns until reaching by them of the five-year age. In a postnatal ontogenesis,
the development of lungs is characterized by the growth of both acinuses and
their individual parts, as well as by the continuous transformation of all their
structures.
Auth.
7.C13.8. Effects of phosphate slag on skeleton
formation.
/R. Mzhavanadze, N. Menagarishvili, R. Datunashvili, M. Chedia, M.
Grigolashvili,
Since
the phosphate slag consists of calcium by 47%, it was of special interest to
study its effects on the skeleton formation processes. In an experiment to
study distant results, pregnant white rats were fed with phosphate water at the
rates 10, 20, and 50 mg/kg. Following sacrifice, the embryo’s skeleton
development study revealed the phosphate slag within 10, 20, and 50 mg/kg high
and inactive doses did not affect the skeleton development process as compared
with the control group.
Auth.
7.C13.9. Age dynamics of a partial pressure of oxygen
and its peculiarities in a intrauterine period. /D.
Kobeshavidze,
The
fetus tissue cells are evolutionally accustomed to existence under conditions
of low partial pressure of oxygen. A change in the thickness of placenta
membrane may become a risk factor for the fetus viability. A high compatibility
of the fetus hemoglobin with oxygen promotes effective supply of the
mother-fetus system oxygen. The compensational-adaptive reactions of the
mother-fetus system provide adequate intensity of oxygen in the blood of the mother
and the fetus.
Auth.
7.C13.10. The
prospects of using balloon coronary
angioplasty and aortocoronary bypass in different manifestations of heart ishemic
disease. /Gugeshashvili, G. Eliava/. Gaenati Herald. – 2010.
– vol. 3, #3. – pp. 85-90. – geo.; abs.: geo.; eng., rus.
The
conduct of coronary angiography is recommended for patients ill with a severe
angina pectoris (III-IV functional class) in addition of drug therapy, so that
balloon coronary angioplasty and aortocoronary bypass are carried out according
to degree and character of damage of the coronary arteries. The utilization of
early revasculization technologies improves both the short-term and long-term prognosis.
Auth.
7.C13.11. Pecularities
of the cardiovascular system status
change during various sizes of the arterial (Botallo’s) duct. /D.
Gugeshashvili, G. Eliava/. Gaenati Herald. – 2010. – vol. 3, #3. – pp.
91-96. – geo.; abs.: geo.; eng., rus.
Congenital
malformations are anomalies of the embryonic heart development. One of the
congenital transformations is the open arterial duct (patent ductus arteriosus), which functions in fetal life. Decompensation
effects are not revealed in the case of a small-size arterial duct. In the case
of a big-size duct, the prognosis is unreliable, this being related to the
development of a septic process in the duct and further transfer to valves, as
well as to development of decompensation.
Auth.
7.C13.12. Public healthcare trends in
The reforms aimed at transformation of the
financial and institutional settings of the healthcare and social sectors have
lasted over ten years in
Auth.
D1. Organization and Management
7.D1.1. Selection of rational capacity
and structure of bus fleet. /G. Metekheli/. Science and Technologies. – 2010. - #4-6. – pp. 98-101. –
geo., abs.: eng., rus.
The
work considers combined and cooperative schemes of bus-operational enterprises
and proposes selection criteria of effective options of bus enterprises.
Auth.
7.D1.2. Ways of increasing the technical capacity of main railway
yards. /T.
Kotrikadze, A. Sharvashidze, K. Sharvashidze/. Science and Technologies. –
2010. - #4-6. – pp. 102-105. – geo., abs.: eng., rus.
The
article considers the ways of increasing the technical capacity of main railway
switchyards by proposing two interrelated subsystems (complexes), as breaking-up
and making-up complexes. Also presented are possible schematic options of the development
of switchyard breaking-up and making-up technological complexes with wide
application of trains parallel marshaling, the introduction of which would
increase the switchyard capacity approximately by 15-20%. It is a great reserve
of increasing the carrying capacity of a railway.
Auth.
7.D1.3. Intensification of operation of industrial reailway yards.
/G. Telia, K.
Sharvashidze,
The
article analyzes essential schemes and operation technology of industrial
railway yards, identified problems of operation and a rational scheme of operation
of industrial yards under modern conditions. In addition, refined methods of calculating
the useful length of tracks of the given yard are given.
Auth.
7.D1.4. The dominant
leadership style in
Leadership is a topic with universal
appeal, and in the popular press and academic research literature much has been
written about leadership. It is a highly valued phenomenon that is very complex.
For centuries leadership theories have focused on leadership as a trait. This
view restricts leadership to only those who are believed to have special
characteristics. In contrast, the style approach in this research suggests that
leadership is behavior that can be learned, changed, and improved. Using Blake and Mouton’s Managerial (Leadership) Grid®, quantitative data based on The Ohio State University Leadership Behavior Description Questionnaire (LBDQ), and semi-structured interviews’ results, we have attempted
to describe the dominant leadership style in
Auth.
7.D1.5. Financial-credit mechanism and financial
management.
/G. Tsaava, M. Zedginidze/. Science and Life. - 2010 - ¹1. - pp. 26-32. - geo.; abs.: geo., rus., eng.
The article deals with the financial-credit
mechanism as a system of management. This system is not only the simple
mechanical sum or conglomerate of management methods, levers and incentives,
but it is a new aggregate which has completely new qualitative features. The
economic essence of management’s classical functions (planning, organization, stimulations,
control) is coincided with the financial-credit mechanism in economy with
systematic usage in consideration with the modern demands of the development on
the micro and macro level.
Auth.
7.D1.6. Optimal control of orders in agricultural
production. /I. Khasaia, R. Kopaliani, M. Chumburidze/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 100-102. – geo.; abs.:
geo.; eng.
In the given work, an optimal control system of multistage distribution
of industrial reserves and placment is constructed by using a solver program. Before
realizing dynamic programming tasks, including tasks of production resources
optimal distribution as a mathematical model in the solver program, a description
of initial conditions of the problem in Excel should be done. By means of Boolean
operators, a simplified procedure of the description of statements of the
problem is built. A sequence of effective and dynamic data management structures
is obtained. In the case of information arrays, the latter ensures optimal control
of RAM and improves the program interface. The introduction of such a technique
by using information technologies will promote the formation of a correct
agrarian policy under conditions of market relations
Auth.
7.D1.7. Proposals for restoring land resources as a tangible wealth. /J. Zibzibadze, L. Gegenava, L. Shoshiashvili/. Agrarian-Economic
Science and Technologies. – 2010. – #2. – pp. 104-108.
– geo.; abs.: geo.; eng.
The article deals with the growing dependence
of
Auth.
D2. Environmental
Protection. Ecology
7.D2.1. Ways of preventing the emission of substances
causing ozone layer depletion. /L. Kvinikadze,
One of important
measures aimed at the development of programs for reduction of consumption of
ozone-depleting substances is the collection of data on the refrigerants used
in the country and the development of the technique of their quality
evaluation. The work on collecting ozone-depleting chlorofluorocarbons (CFCs)
and hydro chlorofluorocarbons (HCFCs) from refrigeration and air-conditioning
systems in various regions of
Auth.
7.D2.2. Problem of thawing
of glaciers in mountain regions. /M. Jibladze, A. Mikaberidze, Z. Razmadze,
P. Magalashvil/. Science and Technologies. – 2009. - #10-12. – pp. 13-15. –
geo., abs.: eng., rus.
It
is shown that some increasing of middle year temperature of terrestrial surface
leads to considerable increasing of temperature in mountain regions and hence,
to increasing of glacier thawing intensity. This phenomenon is explained by
existence of a positive feedback between local albedo of a mountain region and the
mean annual temperature of this region. The process also speeds up thawing of
glacier of Antarctic, Arctic region and
Auth.
7.D2.3. Transport and ecology. /A. Nozadze, T. Natriashvili/. Science and Technologies. – 2010. - #7-9. –
pp. 67-76. – geo., abs.: eng., rus.
Principle
causes of the environmental impact of emissions of internal combustion engines
and stationary installations are analyzed and discussed. The achievements of
nano-technologies – membrane separators of air for increasing the concentration
of oxygen in air-absorption systems for the purpose of ensuring full combustion
of fuel and decreasing toxicity of emissions are given.
Auth.
7.D2.4. Save nature
– save your life. /I. Bejanidze/. Proceedings of the
Galvanic and metallurgical industries
annually release into the sea great quantities of valuable and scarce
substances which could be recovered from this sewage for their industrial
recycling. Heavy metal salts, acids, alkalis, oils, detergents from galvanic/
metallurgical industry and ammonium chloride from cellulose industry aggravate
the ecological situation becoming a menace to human health and marine life. By
the application of reagent-free, eco-pure electrodialysis method to the salt
solutions (NaCl, Na2SO4) artesian and sea water the
feasibility of the composite technology development for the manufacture of a
number of products and the sea water rectification from galvanic/ cellulose
industry sewage is shown. Technological modes for these procedures on 12
electrodialysis schemes with the use of ion-exchange and bipolar membranes have
been researched and developed. The most effective seven schemes have been
chosen. These schemes allow to simultaneously achieving several objectives
within a single production cycle.
Auth.
7.D2.5. Basic contaminants of the air and their toxic effects
on humans. /E.
Lekveishvili, N. Khetsuriani,
Basic contaminants of
the air – carbon oxides, sulfur and nitrogen, hydrocarbons, hydrogen sulfide,
carbon disulfide, smoke, soot, etc. - have been considered. Transports, TPPs,
heating systems, industrial enterprises represent the main air contamination sources.
The paper discusses interrelation between the air contaminants and a number of
various diseases caused by them. Ways of the environmental protection as well
as the biosphere stability conservation are presented.
Auth.
7.D2.6. Global warming and problems of heat-and-power
engineering. /N. Aslanikashvili, A. Suladze/. Mining Journal. –
2009. – #2(23). – pp. 72-76. – geo.; abs.: rus., eng.
It
is supposed that the orbital and endogenous (deep) processes are responsible
for climatic changes on the Earth (global warming, depletion of the ozone
layer, etc). This assumption is evidenced by the facts that some mineral
deposits (coals, clay, stone salt, bauxites and so forth) are directly
connected to paleo and to present climatic zones of the Earth. Based on
statistical data, dependence schedules between the quantity and intensity of
volcanic eruptions for the period 1840-2000 have been constructed. A comparison
îf these schedules with the paleoclimatic data makes obvious that there is à
functional (linear) dependence between a rise in global temperature and the
intensity of volcanic eruptions. Thus, the widespread, but insufficiently
proved, position about the made-made causes of global warming and conformity of
measures taken in this direction is not effective.
Auth.
7.D2.7. Features of fluoride-containing natural
drinking waters and prospects of their use in
The importance of the both an excessive and
insignificant content in drinking waters of a biologically active element –
fluoride – is considered. To cope with the problem of teeth diseases (caries),
the use of fresh nitrogenous thermal waters of the Ajara-Trialeti folded system
is recommended. These waters are noted for good drinking properties, admissible
content of fluoride (0.5-1.2 mg/l) and plentiful yield.
Auth.
7.D2.8. Global warming and the associated process of
desertification in southeast
This
work is dedicated to the questions of the influence of global warming on
separate ecosystems of southeast
Auth.
7.D2.9. The present state of biocoenosis in Kolkheti shelf
zone. /T.
Akhvlediani/. Collected Papers of the
The paper describes an
analysis of the development of biocoenosis in Kolkheti Shelf Zone. To decrease
the quantity of nitrogen and phosphorus in the shelf, the inventor suggests
using a biological method, which provides the creation of the plantation of
Laminaria plants and the periodical removal of biomass from the coastal
ecosystem.
Auth.
7.D2.10. Environment-friendly logging technologies
and machinery under mountain conditions. /Z. Balamtsarashvili, D.
Mosulishvili/. Collected Papers of the
The paper contains an
analysis of fundamentals regarding logging and felling operations. Special
attention is paid to the development of technological schemes needed for
complex mechanization of environment-friendly logging operations and the
investigation of logging machinery needed for the implementation of the
above-mentioned operations: logways, loggers, single and double rope pullies,
log-transfer devices, wheeled tractors etc. Also, the paper includes the
results of theoretical surveys implemented by the authors regarding the
passability and safety of log-transfer device (MTA) developed on the basis of
tractor TT4 during the lateral and longitudinal motions.
Auth.
7.D2.11. Assessment of economical and
ecological damage to forests burned as a result of the 2008 August war in
On the basis of
methods developed in the Institute of Water Management, the damage to forest (
Auth.
7.D2.12. Results of landslide-gravitational
conditions and principles of their development in
The paper describes
and assesses the principles of landslide-gravitational conditions, including
their typological specification. Also, we have determined dangerous risk, and
paid special attention to techno-gravitational phenomenon. On the basis of
quantitative measures of a geological threat, landslide-gravitational processes
and the risk of their possible activation in accordance with their distribution
and occurrence, we have subdivided the
Auth.
7.D2.13. Assessment of ecochemical
situation of the
The paper describes
the problem of natural and anthropogenic factors affecting water resources
within
Auth.
7.D2.14. Geoenvironmental surveys of
burnt areas near Tsagveri and Daba villages, Borjomi district. /T. Tevzadze, V.
Shurgaia, M. Shavlakadze, D. Potskhveria/. Collected Papers of the
This paper includes
the results of geoecological surveys of burnt areas located near Tsagveri and
Daba villages of Borjomi District. On the basis of an analysis, the authors state
that the natural environment underwent irreversible influence (unique forest
burned in health-resort zone, a layer of soil is destroyed, slopes are under
the influence of erosion processes, the surface flow contains increased amount of
sodium ions by 8,6-14.4). Conclusions and recommendations are proposed to avoid
the further development of negative processes.
Auth.
7.D2.15.
Adoption and development of clean technologies and production of ecologically safe
products as a base for the stable development of
The article examines
current trends in the implementation of cleaner production technologies and organic
food production in
Auth.
7.D2.16. Information formalization
of planning the optimal route of navigational control during the ecological
monitoring. /B. Rustambekov/. Collected Papers of
the
The article describes a simulation model of spectrophotometric
experiment. Using this model, the authors have implemented optimal planning and
calibration of multi-level spectral measurements concerning the radiation
field for the different optically inhomogeneous sections of the earth’s
surface.
Auth.
7.D2.17. Soil damages caused by floods
and ways to avoid them. /L. Purtseladze/. Collected Papers of the
This paper describes
soil resources; soil erosion is considered as a varied process being invoked by
the action of water, rivers and rocks and causing destruction of the topsoil. Some
types of erosion caused by different natural and man-made factors and the ways
to avoid them are given.
Auth.
7.D3.1. Georgia’s total external debt against the background of the increases
mobilization of internal resources. /G. Khantadze/. Science and Life. - 2010 - ¹2. - pp. 44-49. - geo.; abs.: geo., rus., eng.
The article deals with the seriousness of the
problem of
Auth.
D4. Other
Intersectoral Problems
7.D4.1. The theoretical possibility of the textile
dental cords formation by the untwisted yarns. /T. Moseshvili,
The
textile materials, such as flosses and retraction cords, are used in
stomatology for cleaning the tooth and treatment of parodontosis and gingivitis
by transfer the medicines in gum furrow. They are made of 100% cotton fibers
and have a high level of absorption, flexibility and resilience. There are
three types of dental cords: untwisted, braided and Ultrapak knit. A study of
the structure and properties of makes it possible to apply it in dentistry
practice. The parallel location of fibers, the pointed adhesive connection
between them, and their stringlike shape ensure high-adsorption properties and
the possibility of employment of the yarn as dental flosses and retraction
cords.
Auth.
7.D4.2. Human body
gravity model.
/T. Maglakelidze, M. Zakaraia/. Science and Technologies. – 2010. - #4-6. – pp.
52-56. – geo., abs.: eng., rus.
Experimental
wearing of footwear is one of the expensive, complex and long-term processes. An
alternative to it is considered an idea to develop and introduce of a footwear imitation
device under laboratory conditions. Within the framework of the given work, the
quantitative and qualitative characteristics of this device and factors
influencing them have been determined. In addition, the scope of problems, the
resolving of which should create the preconditions for designing a new device
was outlined. Based of an analysis of the literary data, all the loads acting
on the foot at walking were identified, and the principle scheme of the device
operation developed. In compliance with human body gravity, two options of loading
the last were proposed: one with the centrally arranged load, another with
distributed loadsa.
Auth.
7.D4.3. A mathematical model of vegetable products
storage.
/A. Tvalchrelidze,
The methods of mathematical modeling enable
to deeply study the mechanical, mass-transfer, heat and biochemical processes
taking place during storage, their influences on the quality of stored product,
and to scientifically determine the optimal storage conditions for various
products. A mathematical model of vegetables storage under conditions of active
forced ventilation is considered.
Auth.
7.D4.4. Determination of best performance of robot-controlled
selective tea picking system by computer experiments. /G. Lezhava, I. Kamkamidze, Z. Berikishvili, T. Dalakishvili, A.
Vardosanidze,
The
article describes a simulation model of a tea bush leaf stock growth and of tea
leaf picking process by a robot-controlled system. The simulation program’s
operation results are found to be in good conformity with the real plantation
tea leaf gathering. The program allows carrying out research and developing the
picking tactics for different conditions of a plantation and for the different
purposes. It is shown that computer experiments allow for comparing various
tactics of gathering by a certain criterion.
Auth.
7.D4.5. Simulation of
a polymer film making process by blown
extrusion method: boundary problem and numerical algorithm. /Sh. Sagrishvili/. Science and Technologies. – 2010. - #7-9. –
pp. 85-91. – geo., abs.: eng., rus.
The
article considers a simulator of a sleeve-type film blow-forming process that
enables to get a kinetic description of deformed-strength condition of the blown
film and research the impact of structural and technological parameters on the
process and a complex of the physical and mechanical data of the ready film. In
practical applications, the simulator generally represents a two-point boundary
problem for a system of common nonlinear differential equations. The
preliminary results of the numerical experiment evidenced increased sensitivity
of differential equations to changes of boundary conditions. The proposed
adaptation of the parallel cannon method to the motion method parameters allows
coping with the accounting difficulties.
Auth.
7.D4.6. Simulation of
the non-stationary rectification process of ethyl alcohol with impurities. /A. Tvalchrelidze,
L. Sichinava,
The
article considers simulation of the rectification process of ethyl alcohol with
impurities, proposes a way of construction of thermodynamic functions and
describes mass-exchange between the liquid and steam. The results of simulation
of the alcohol-water solution rectification process with impurities of furfural
with launching of the column are given.
Auth.
7.D4.7. Dynamic demand–supply model. /V.
Mdzinarishvili/. Science and Life. - 2010 - ¹1. - pp. 51-54. - rus.; abs.: geo., rus., eng.
A dynamic demand – supply model is developed.
A system of differential equation is offered, the solving of which enables
obtaining the demand–supply simulator. The parameters of the simulator
represent economic characteristics. Two differential equations describing the
model are not interdependent variables. They are dependent only by parameters.
Auth.
7.D4.8. On the study of a positive prolonged effect
of natural zeolites on grape yield. /T.
Andronikashvili, M. Gamisonia, L. Eprikashvili/. Bulletin of the
It is shown that depending on the type of natural
zeolite, the respective organo-zeolitic fertilizer applied in vineyards and the
prolongation period, the grape yield increases against the control by 1.8-2.8 times,
grape juice sugar content - by i5-27%, while the acidity decreases from pH=3.75
to 4.52.
Auth.
7.D4.9. Influence of thermal and radiate ageing on
physico-mechanical properties of the struñturated
butadiene-styrene rubber sole matherials for orthopedic footwear of diabetic
patients.
/M.
Shalamberidze,
The results of investigation of thermal and
radiate ageing on the structured butadiene-styrene rubber CKC-30 APK and CKC-30
APKM-15 with latent hardener and sulfurous vulcanizations are described. The
experiment showed that polymers on the basis of LO-3 latent hardener have
better deformation and strength characteristics than the corresponding
sulfurous vulcanization polymers.
Auth.
7.D4.10. Influence of zeolites on the germination of
alfalfa and sorrel. /M.
Zautashvili, T. Kordzakhia, N. Pirtskhalava, N. Burkiashvili,
The influence of natural sedimentary
zeolites, clinoptilolite and analcime, and synthetic zeolite CaA on the sowing
effect of alfalfa and sorrel seeds has been investigated under laboratory
conditions. The positive effects of the above minerals on the biometric indices
of these crops have been shown.
Auth.
7.D4.11. Research
of the content of some heavy metals in hair samples of the residents of major
cities using methods of differential-impulsive polarography and x-ray
fluorescence spectroscopy. /T.
Chelidze, L. Enukidze, M. Chankashvili, N. Khavtasi,
Using methods of differential-impulsive
polarography and X-ray fluorescence spectroscopy, a research of the content of
some heavy metals in the samples of hair taken from residents of big cities (
Auth.
7.D4.12. New long-acting preparations against ticks. /O. Lomtadze, M.
Jgenti, G. Chimakadze/. Proceedings of the
Various dosage forms (mixture, powder,
liniment, pencil, suspension, emulsion) of preparations against ticks have been
prepared. The prolonged miticidal action of dosage forms - powder, liniment and
pencil - are due to the fact that natural aluminosilicates (clinoptilolite, montmorollonite
clay) are used in making them. The properties and composition of the new preparations
in fighting ticks are described in detail.
Auth.
7.D4.13. Technology for diagnostics and technique for the analysis of the
condition of the tank bottoms of terminals for oil and oil-product storage. /L.
Gavasheli, L. Makharadze, T. Medzvelia/. Mining Journal. – 2009. - #1(22). –
pp. 48-50.eng.; abs.: geo., rus.
The paper
discusses a technological innovation introduced for diagnostics and technique
for fault detection of high-capacity tank bottoms of terminals for storage of
oil and oil products. The technology has been developed on the basis of the
acoustic emission method of calling for forced response, implying diagnostics
of both the walls and bottom of tanks, ultrasonic inspection and thickness
gauging to be performed without any interruption in the facilities’
functioning. It will ensure pursuing nondestructive control as well as
prompt/precise revealing, classification, definition of the nature, geometrical
sizes and location of defects. The effectiveness and accuracy of the technology
herein presented has been verified by full-scale studies carried out on
industrial installations.
Auth.
7.D4.14. Elaboration of new ecologically safe,
high efficient fire-extinguishing powders based on perlites, zeolites and clay
shales. /L. Gurchumelia, F. Bejanov , D.
Petviashvili, L. Tkemaladze,
The traditional methods of fire-extinguishing are still expensive
and low effective. Therefore, the use of powder fire-extinguishers is very
effective, because they are considered to be the unique means to be used in
practice for extinguishing any type of fire both in underground and
above-ground structures. At the same time, it should be noted that powders of
serial production slightly differ from one another. Most of them are halogen-containing
and do not meet modern requirements, primarily from the viewpoint of efficient
and universal use. Therefore, one of the most important problems at present is
the elaboration of halogen-free and inexpensive fire extinguishing powders. The
work is devoted to the ways of development of halogen-free, ecologically safe,
high-efficient, and cheep universal fire extinguishing powders based on local
mineral raw materials: zeolites, perlites and clay shales, which do not require
further chemical processing and modification with halogen-containing,
organogenic water-repellent additives.
Auth.
7.D4.15. Proposals for foundation of a nanotechnology
center in
The article is devoted to the prospects of
the development of nanotechnology in
Auth.
7.D4.16. The methodology of simulation of physical
experiments of criminological technology and equipment. /G. Janelidze,
The fundamental stages and development lines
of the theory and practice of application of simulation technique in
criminalistics are considered. Various options of communication models are
proposed, information relations and computer-based documents in criminalistic
activities are determined and described, their essene and legal regulation issues
are defined.
M.
Kopaleishvili
7.D4.17. Automated system of experimental researches in infrared moisture
measurement. /Ts. Nozadze/. Materials of
The report provides some
methodical principles of organization of experimental researches by definition
of a mathematical model for measurement of humidity in different materials. The
structure of the automated system of experimental researches and methodical
scheme of realization of experiment is offered. The spheres of application of
experimental system for solving certain tasks in infrared moisture measurement
are offered.
Auth.
7.D4.18. Generation of differential
equation for the dangerous sliding surface of landslide-affected slope and its
study considering additional loads. /T. Kvitsiani, G. Khutsishvili, T.
Gardaphkhadze/. Collected Papers of the
The work deals with
the stability of a slope when the slope massif, in addition to its own weight,
is subject to blast and seismic forces. An ordinary first-order differential
equation has been drafted describing a relatively dangerous smooth curved
surface of sliding the sliding mass of the slope. The solution to this equation
is given as quadratures, and in some cases – as elementary functions which
allows identifying the zones of collapse in the sliding mass.
Auth.
7.D4.19. Mathematical modelling of
hydro-ecological processes during changeable boundary conditions and their
computer simulation. /R.
Kiladze/. Collected Papers of the
The paper includes a mathematical
description of hydro-ecological processes (flow caused by sediments, surface
and flow irrigation, infiltration etc.). These processes, as a rule, are
multistage with different boundary conditions; the moment of their change is
not known preliminarily and depends on the process course. A complete
theoretical base in the form of differential equations of the uncontrolled
motion of water flow (taking into account infiltration) should be used to
provide computer simulation of such difficult processes, and numerical methods
(finite-dimensional) – to sum the system, which can allow us to bind and unite
different stage of process.
Auth.
7.D4.20. Stability of
sprinkling machines when working on slopes. /O. Nanitashvili, E. Rekhviashvili, V.
Nanitashvili/. Collected Papers of the
The
paper describes the stability of a sprinkling machine working on a slope. On
the basis of the force-moment balance equation, a dependence and diagram to
determine critical angles for the dynamic stability of sprinkling machine are
determined.
Auth.