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5- 2005 : XXI II 20-21 2005 . , ...

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4. .., .., .., . Cs-137 Sr-90 // : / . .. . , 1996. . 34.

5. .., .., .., .. .. // . 2003. . 76, 6 129-141.

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.: , 2002. 164 .

APPLICATION OF MATHEMATICS MODELING FOR PREDICTION

OF RADIONUCLIDE MIGRATION IN SOIL

KUNDAS S.P., GRINCHIK N.N, GISHKELUK I.A., TIMOSHCHENKO A.I.

The article is devoted to mathematical model which describes radionuclide migration in soil. The proposed model is based on equations of thermal, vapor and fluid transport, impurity diffusion and differs from the earlier existed models. The feature of the developed model is in the account of such physical factors influencing on substance and thermal transport in soil as convective diffusion, sorption and diffusion in matrix solid material, radioactive disintegration and meteorological conditions. A closer mathematical approach was proposed to describe mathematical formulation of soil water transport which influences most on radionuclide migration in soil. It is based on the law of mass conservation and Darcy's law. The finite-element method is used for numerical solution of the differential equations system.



The developed model is applied for the prediction of the 90Sr vertical migration in soil. Obtained results correlate with experimental researches carried out in our country.

Further research in this area is planned to direct on the experimental verification, improvement of the model and the extension of the list of the ecological problems, which are analyzed with its help.

   

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ABOUT ESTIMATION OF THE CONTAMINATION OF TERRITORIAL-ADMINISTRATIVE REGIONS

OF THE CHERNOBYL GENESIS RADIONUCLIDES

BEREZHNOY A.V.

It is recommended to realize the matching territorial-administrative regions on degree of the contamination their of the Chernobyl genesis radionuclides to size generalised index gravity of the radionuclide soiling region. The methodology of the calculation indexes is offered. The results executed estimation are briefly stated.

   

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ENVIRONMENTAL AND ECONOMIC ESTIMATION OF THE MINSK POWER INDUSTRY

ZHUK O.A.

This work illustrationes the connection between economics and environmental impact of the power industry. The main environmental aspects were defined thanks to technology. The estimation of economic damage caused by environmental pollutions was made.

   

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6. . . 6.070800 02070855-420-99 // ̳ , - , -, 1999. 203 .

EDUCATION OF RADIOECOLOGY AT PRECARPATHIAN NATIONAL UNIVERSITY

GANZHA D.D., NAZAROV A.B.

The teaching programs of radioecology determe the contents in a higher school educational institutions. The offered program of studies is based on a 10-year's experience of the authors job in Chernobyl exclusive zone, experimental and fullscale radioecological investigation of marine biocenosis in Institute of biology of the southern seas National Academy of Ukraine.

   

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COORDINATION AND INTEGRATION OF RADIOECOLOGICAL EDUCATION IN CIS-COUNTRIES

KUNDAS S.P., BATURIZKI M.A., TIMOSHENKO A.I., ANKUDA S.N., KOROVIN J.A.

The work of the Permanent Committee on radioecological education of CIS-countries on the coordination and integration of radioecological education in the Commonwealth is considered. The attention is paid to the existing problems and ways of their solution. The program of joint actions on the realization of the agreement on cooperation in the field of specialists training in Radioecology, Radiation Safety, Radiobiology and interdisciplinary sciences, signed in November, 2000 by the heads of the Governments of CIS-countries is offered. It is stated that the fulfillment of the cooperation program will allow to use the achievements of each CIS-country in the area of radioecological education for well-qualified specialists training, who are able to solve the urgent tasks of every country at the proper level.

   

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TRANSMUTATION EXPERIMENTS ON 129I, 139LA AND 237NP.

1.

THE REDUCTION OF LONG-LIVED NUCLEAR WASTE

Langrock E.-J., Westmeier W., Brandt R., Robotham H., Siemon K., Odoj R., Golovatyuk V.M., Krivopustov M.I., Hashemi-Nezhad S.R., Zamani M.

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