Вопросы атомной науки и техники, 2000, № 2http://dspace.nbuv.gov.ua:80/handle/123456789/741232022-09-30T01:14:54Z2022-09-30T01:14:54ZApplication of nuclear-physics methods for studying the radionuclide transport in granite rocksDikiy, N.P.Sayenko, S.Yu.Uvarov, V.L.Shevyakova, E.P.http://dspace.nbuv.gov.ua:80/handle/123456789/824932015-06-01T00:01:58Z2000-01-01T00:00:00ZApplication of nuclear-physics methods for studying the radionuclide transport in granite rocks
Dikiy, N.P.; Sayenko, S.Yu.; Uvarov, V.L.; Shevyakova, E.P.
The results of studying the migration of 169Yb as actinide-simulator in granite specimens in pristine state and preliminary irradiated with various γ-irradiation dose up to 3,0*109 rad are represented and briefly discussed. Method of γ-spectrometry was used in order to determine the distribution of γ-emitting tracer isotope 169Yb in granite. Estimations based on analysis of ytterbium bulk distribution are given to determine the diffusion coefficients of radionuclides in granite rock.
2000-01-01T00:00:00ZApplication of nuclear-physics methods for studying the radionuclide transport in granite rocksDikiy, N.P.Sayenko, S.Yu.Uvarov, V.L.Shevyakova, E.P.http://dspace.nbuv.gov.ua:80/handle/123456789/824922015-06-01T00:01:57Z2000-01-01T00:00:00ZApplication of nuclear-physics methods for studying the radionuclide transport in granite rocks
Dikiy, N.P.; Sayenko, S.Yu.; Uvarov, V.L.; Shevyakova, E.P.
The results of studying the migration of ¹⁶⁹Yb as actinide-simulator in granite specimens in pristine state and preliminary irradiated with various γ-irradiation dose up to 3,0*10⁹ rad are represented and briefly discussed. Method of γ-spectrometry was used in order to determine the distribution of γ-emitting tracer isotope ¹⁶⁹Yb in granite. Estimations based on analysis of ytterbium bulk distribution are given to determine the diffusion coefficients of radionuclides in granite rock.
2000-01-01T00:00:00ZCalculation of geometric parameters of a magnetic quadrupole lens working near to saturationMytsykov, A.O.http://dspace.nbuv.gov.ua:80/handle/123456789/822872015-05-28T00:02:12Z2000-01-01T00:00:00ZCalculation of geometric parameters of a magnetic quadrupole lens working near to saturation
Mytsykov, A.O.
The method for defining basic geometric parameters of precision quadrupole lenses is offered. The method allows one to obtain the field of working area differing from required one less than by 10⁻⁴ compared with the basic component. The lens shape is described by 2 parameters. The method allows taking into account the field distortions caused by saturation of iron. Moreover, it is possible to calculate lenses with a complicated multipolar structure including the forbidden field harmonics. The paper contains the results of calculations for lense shapes used in actual installations.
2000-01-01T00:00:00ZAnalytical solutions in the two-cavity coupling problemAyzatsky, N.I.http://dspace.nbuv.gov.ua:80/handle/123456789/822862015-05-31T19:08:18Z2000-01-01T00:00:00ZAnalytical solutions in the two-cavity coupling problem
Ayzatsky, N.I.
Analytical solutions of precise equations that describe the rf-coupling of two cavities through a coaxial cylindrical hole are given for various limited cases. For their derivation we have used the method of solution of an infinite set of linear algebraic equations, based on its transformation into dual integral equations.
2000-01-01T00:00:00Z