Zobrazeno 1 - 10
of 258
pro vyhledávání: '"A.N. Dovbnya"'
Autor:
V.O. Vlasenko, O.A. Anashkin, V.P. Starenky, I.G. Goncharov, I.Y. Cherniavskiy, K.S. Ovcharenko, A.N. Dovbnya
Publikováno v:
Problems of Atomic Science and Technology. :41-45
The results of approbation of the methodology for laboratory testing a materials for armored objects‘ radiation protection by determining their half-value layer for nuclear radiations, which are typical for the main situations of the radiation fact
Publikováno v:
Applied Radiation and Isotopes. 114:7-13
GEANT 4 Monte-Carlo simulation toolkit is used to study the kinematic recoil method of (99)Mo photonuclear production. Simulation for bremsstrahlung photon spectrum with maximum photon energy 30MeV showed that for MoO3 nanoparticle escape fraction de
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 406:218-220
Planar γ-sources with manipulated number, position and intensity of spectral bands within the span 24…122 keV have been fabricated and examined. Every source comprises a stack of the foils from inactive elementary substances and planar single-phot
Autor:
V.A. Shkuropatenko, Alexandr A. Zakharchenko, S. Yu. Sayenko, Arun S. Wagh, R.V. Tarasov, A.N. Dovbnya, A. V. Rybka
Publikováno v:
Journal of Nuclear Materials. 462:165-172
Ceramicrete™, a chemically bonded phosphate ceramic, was developed for nuclear waste immobilization and nuclear radiation shielding. Ceramicrete products are fabricated by an acid–base reaction between magnesium oxide and mono potassium phosphate
Autor:
Ivan Karnaukhov, V. Ivashchenko, S. Gokov, V. Grevtsev, V.V. Mitrochenko, A. Bezdetko, D. Korzhov, A. Kalamayko, A. Ryezayev, V. Lyashchenko, V.A. Kushnir, V. Skyrda, A. Shcherbakov, A.N. Dovbnya, Andrey Zelinsky, V. Trotsenko, Peter Gladkikh, Andriy Mytsykov
Publikováno v:
Physics of Particles and Nuclei Letters. 11:615-619
The work is dedicated to one of the systems of the NESTOR X-ray generator. The injection system is at the highest stage of readiness after the magnetic system. Structurally, the injection system can be represented as an injector (linear accelerator),
Autor:
V. V. Zakutin, I. A. Chertishchev, V.N. Boriskin, N. I. Aizatsky, V. P. Romas’ko, N. A. Dovbnya, A.N. Dovbnya, N. G. Reshetnyak
Publikováno v:
Physics of Particles and Nuclei Letters. 11:647-650
An electron accelerator in which magnetron guns with secondary-emission cathodes of two types are used as a particle source is described. The electron-beam parameters are investigated in an electron energy range of 20–150 keV at a pulse length of 1
Autor:
A. V. Torgovkin, V.L. Uvarov, V.A. Shevchenko, B. I. Shramenko, Yu . V. Rogov, A.N. Dovbnya, A.Eh. Tenishev
Publikováno v:
Physics of Particles and Nuclei Letters. 11:691-694
This communication deals with the conditions of 192Ir isotope production under a nonreactor technology via the 193Ir(γ, n)192Ir reaction. It can be carried out by irradiation of a target from natural iridium with the high-energy X-ray of an electron
Autor:
V. F. Klepikov, I. V. Khodak, A.N. Dovbnya, V. P. Lebedev, V.A. Kushnir, P. N. Ostapchuk, V. S. Krylovskiy, Vladimir Dubinko, S. V. Lebedev
Publikováno v:
Physics of the Solid State. 54:2442-2449
The effect exerted by an electron beam with an energy of 0.5 MeV on the deformation of polycrystalline aluminum (99.5%) and copper (99.5%) under uniaxial tension at a rate of 2 × 10−4 s−1 in the temperature range from 40 to 100°C has been inves
Autor:
N.P. Dikiy, Yu.V. Lyashko, A.Eh. Tenishev, A.N. Dovbnya, V.L. Uvarov, V.A. Shevchenko, N.I. Aizatskiy, V. I. Nikiforov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 269:3125-3128
We report on the results of studies of the 95 Tc isotope production conditions in a poorly investigated 96 Ru(γ,N) 95 Tc reaction at a relatively inexpensive electron accelerator. Based on the analytical model it is demonstrated the possibility for
Autor:
V.L. Uvarov, A.N. Dovbnya, N. P. Dikii, D.V. Medvedev, E.P. Medvedeva, K. V. Achkasov, Yu.V. Lyashko
Publikováno v:
Technical Physics. 56:1018-1022
Nuclear physics methods are used to determine the diffusion coefficients of Na, Ca, Mn, K, and 222Rn in clinoptilolite (Sokirnitsa occurrence, Ukraine) and in natural tuff (Yucca Mountain, Nevada, United States) and in tuff irradiated by γ-quanta (E