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A. A. Konovalov
A. A. Konovalov
Ural State Technical University
Ural State Technical University
Yekaterinburg
Russia

Articles

Geology
  • Date submitted
    2005-07-03
  • Date accepted
    2005-08-15
  • Date published
    2006-02-01

Alluvial gold of the basin of the river Manya in the Subpolar Urals

Article preview

The purpose of this study is to investigate the characteristics of placer gold and associated minerals in placers in order to predict bedrock types and to determine the distance of gold transition from bedrock. The research was based on materials collected in the Manya River basin located in the Berezovsky District of Tyumen Region. The research methods used are widely used in geology and are sufficiently accurate, which allows solving the set questions.

How to cite: Konovalov A.A. Alluvial gold of the basin of the river Manya in the Subpolar Urals // Journal of Mining Institute. 2006. Vol. № 2 167. p. 26-28.
Safety problems of radiation, electromagnetic and other dangerous influence on people
  • Date submitted
    2002-08-19
  • Date accepted
    2002-09-15
  • Date published
    2003-03-01

Algorithms for calculating the radar characteristics of radioactive atmospheric emissions

Article preview

A structural scheme of the algorithm for calculating atmospheric emissions from nuclear power plants is presented. The additive model of the effective scattering area of the emission takes into account different components of the process: air ionization by radionuclides, turbulence and thermal inhomogeneities, aerosol particles, tracks of alpha-particles and meteorological formations of natural origin. Input data for calculations are meteorological data, radar parameters and interference situation in the region. As a result of calculations the field of spatial cross-sections of NPP emission into the atmosphere can be obtained and spatial characteristics of technogenic and natural meteorological formations can be specified (using radar data).

How to cite: Veremev V.I., Kalenichenko S.P., Konovalov A.A. Algorithms for calculating the radar characteristics of radioactive atmospheric emissions // Journal of Mining Institute. 2003. Vol. 154. p. 11-14.
Safety problems of radiation, electromagnetic and other dangerous influence on people
  • Date submitted
    2000-10-21
  • Date accepted
    2000-11-06
  • Date published
    2001-05-01

Development of methods and means of remote radar control of radioactive emissions into the atmosphere

Article preview

This paper outlines the results of research on radar detection of man-made formations in the lower atmospheric layer at large distances. A generalized mathematical model of the scattering of electromagnetic waves (radar cross section - RCS) of the leakage from the chimney of a nuclear power plant was developed. The calculated functions of RCS from the radar wavelength showed that the RCS values for accidental leakage are not so large, which creates difficulties in radar detection. The problem of detecting and recognizing the type of leakage has a solution when using a network of multi-position multi-band radars.

How to cite: Veremev V.I., Gorbunov I.G., Kalenichenko S.P., Konovalov A.A. Development of methods and means of remote radar control of radioactive emissions into the atmosphere // Journal of Mining Institute. 2001. Vol. № 5 149. p. 21-24.