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Перегляд Вопросы атомной науки и техники, 2009, № 5 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2009, № 5 за назвою

Сортувати за: Порядок: Результатів:

  • Application of the opportunities of tool system ”CUDA” for graphic processors programming in scientific and technical calculation tasks 
    Dudnik, V.A.; Kudryavtsev, V.I.; Sereda, T.M.; Us, S.A.; Shestakov, M.V. (Вопросы атомной науки и техники, 2009)
    The opportunities of technology CUDA (Compute Unified Device Architecture - the unified hardware-software decision for parallel calculations on GPU)of the company NVIDIA were described. The basic differences of the ...
  • Argon activation in air at medical cyclotron RDS ECLIPSE during production of ¹⁸F 
    Bezshyyko, O.A.; Golinka-Bezshyyko, L.O.; Kadenko, I.M. (Вопросы атомной науки и техники, 2009)
    Medical cyclotrons are widely used to produce positron emitting isotopes for positron emission tomography. High level of air activation is possible due to high neutron flux as a result of ¹⁸O(p, n) ¹⁸F reaction. Reaction ...
  • Channeling of relativistic electrons and positrons 
    Morokhovskii, V.L. (Вопросы атомной науки и техники, 2009)
    The quanta-mechanical problem of relativistic electron (positron) movement through the electro-static crystal field for the case of small angle between initial particle momentum and the atomic plane is considered for the ...
  • Clinoptilolyte influence on the radionuclide ¹³⁷Cs removal from the animal organism 
    Lonin, A.Yu. (Вопросы атомной науки и техники, 2009)
    The possibility of zeolite use for the radionuclide ¹³⁷Cs removal from the animal organism under internal irradiation is investigated. The dependence of the dynamics of ¹³⁷Cs removal from the animal organism on such ...
  • Computation studying of the neutron yield from the neutron-production target irradiated with electrons 
    Prokhorets, I.M.; Prokhorets, S.I.; Rudychev, Y.V.; Skrypnik, A.I.; Fedorchenko, D.V.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2009)
    It is considered the modeling of neutron yield from the targets with high atomic numbers irradiated with accelerated electrons. Modeling results from the MCNPX and GEANT software are compared with existing experimental ...
  • Computer simulations of the stainless steel composition changes induced by neutron based nuclear reactions 
    Rudychev, Y.V.; Khazhmuradov, M.A.; Prokhorets, S.I.; Fedorchenko, D.V. (Вопросы атомной науки и техники, 2009)
    Problem of construction material composition changes induced by neutron fluxes of nuclear reactor VVER-1000 as a result of a nuclear reaction and associated activation processes was considered. The special methodic to ...
  • Duration of multipacting processes and discharges in the linac of ions 
    Lobzov, L.D.; Shulika, N.G.; Shulika, O.N.; Belan, V.N. (Вопросы атомной науки и техники, 2009)
    It is experimentally shown that multipactor processes may be as harmful as other of parasitic discharges and cause significant disturbance in resonator electrodynamic characteristics of an accelerating structure. The ...
  • Effect of magnetic field distribution on isotopes separation in system with acute-angle geometry of magnetic field 
    Belikov, A.G.; Papkovich, V.G. (Вопросы атомной науки и техники, 2009)
    By numerical solving of the particle motion equations the separation of carbon isotopes 12C and 13C in varies magnetic field configuration is considered. It is shown, that isotope separation can be improved considerably ...
  • Efficiency of defects formation in spinel under high energy electron and gamma beam irradiation 
    Gokov, S.P.; Gritsyna, V.T.; Kasilov, V.I.; Kochetov, S.S.; Kazarinov, Yu.G. (Вопросы атомной науки и техники, 2009)
    There were provided the comparative investigations of the efficiency of optical absorption centers formation in magnesium aluminates spinel (single crystals and ceramics) at the influence of high energy gamma or electron ...
  • Elastic deuteron-triton scattering AT 37MeV 
    Belyuskina, O.O.; Grantsev, V.I.; Davydovskyy, V.V.; Kisurin, K.K.; Omelchuk, S.E.; Palkin, G.P.; Roznyuk, Yu.S.; Rudenko, B.A.; Saltykov, L.S.; Semenov, V.S.; Slusarenko, L.I.; Struzhko, B.G.; Tartakovsky, V.K.; Shytiuk, V.A. (Вопросы атомной науки и техники, 2009)
    Results of measurement of differential cross section of elastic scattering of deuterons by tritons at the laboratory energy of 37 MeV for the center-of-mass angles θc.m. ranging from 25° to 150° are presented. The ...
  • Estimation of palladium-103 radionuclide producibility at the cyclotron CV-28 for nuclear medicine 
    Petrusenko, Yu.T.; Lymar’, A.G.; Nikolaichuk, L.I.; Ponomarenko, T.A.; Tutubalin, A.I.; Shepelev, A.G. (Вопросы атомной науки и техники, 2009)
    Consideration is given to the possibility of 103P d radionuclide production in nuclear reactions on protons and deuterons at the cyclotron CV −28, for a subsequent use of the radionuclide in medicine, in particular, for ...
  • Generation of MeV -energy protons in WWER reactor core 
    Gann, A.V.; Gann, V.V. (Вопросы атомной науки и техники, 2009)
    The spectrum of fast protons, generated by fast neutrons of WWER-1000 reactor core in water, has been calculated using the Monte Carlo method. The main mechanism of fast proton generation in the moderator is found to ...
  • Investigation of the astrophysical ³⁶S(p,γ) ³⁷Cl reaction AT Ep=1975...2190 keV 
    Vodin, A.N.; Ushakov, I.V.; Khomyakov, G.K.; Tuller, G.E.; Korda, L.P.; Shapoval, I.A.; Tertichnyi, A.V. (Вопросы атомной науки и техники, 2009)
    The ³⁶S(p,γ) ³⁷Cl reaction was investigated in the proton energy range Ep=1975-2190 keV. The observed resonance strengths were evaluated. The γ-decay schemes of the resonances at Ep=2037, 2058, 2069, 2080, 2122 and 2165 ...
  • Isomer ratios of photonuclear reaction products on silver and indium isotopes for bremsstrahlung energies above 35 MeV 
    Bezshyyko, O.A.; Dovbnya, A.N.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kulakov, I.S.; Kushnir, V.A.; Mitrochenko, V.V.; Olejnik, S.N.; Tuller, G.E.; Vodin, A.N. (Вопросы атомной науки и техники, 2009)
    Isomer ratios were obtained for nuclei 104m,gAg and 110m,gIn-products of reactions 107Ag(γ,3n)104m,gAg and 113In(γ,3n)110m,gIn after bremsstrahlung irradiation with maximum energies 35 and 36 MeV , respectively. ...
  • Measurement of the efficiency of iodine and iodine methyl vapors absorption from the ventilated airflow 
    Kolobrodov, V.G.; Sokolenko, V.I.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2009)
    Facility for measurement of the efficiency of the iodine and iodine methyl vapors adsorbtion from the ventilated air flux is described. Different methods used for measurement of the adsorbtion filters cleaning coefficients ...
  • Novel modes of vacuum discharge in magnetic field as the base for effective ion generation 
    Cherenshchykov, S A. (Вопросы атомной науки и техники, 2009)
    New properties of vacuum discharges in magnetic field with unconventional discharge gaps at low pressure up to high vacuum are briefly described. Both single- and multi-charge ion sources may be developed on basis of such ...
  • Numerical computation of incoherent bremsstrahlung from fast electrons in single crystals 
    Shul’ga, N.F.; Syshchenko, V.V.; Tarnovsky, A.I. (Вопросы атомной науки и техники, 2009)
    The incoherent bremsstrahlung of fast electrons in crystal is caused by thermal spread of atoms from their equilibrium positions in the lattice. Its intensity manifests substantial orientation dependence under angles of ...
  • On possibility of separation of ²³⁹Pu and ²⁴⁰Pu contributions in emergency plutonium fallout of Chernobyl accident origin 
    Vodin, A.N.; Olejnik, S.N.; Rudak, E.A.; Ushakov, I.V.; Yachnik, O.I. (Вопросы атомной науки и техники, 2009)
    The experiment-calculated method for separation of total α-activities of plutonium isotopes A(²³⁹Pu+²⁴⁰Pu) on partial activities A(²³⁹Pu) and A(²⁴⁰Pu) in emergency fallout of Chernobyl accident origin is developed.
  • On separation of vacuum volumes on the path of an electron beam 
    Kasilov, V.I.; Buki, A.Yu. (Вопросы атомной науки и техники, 2009)
    The problem of separation by a thin foil of vacuum volumes located on the path of an electron beam is considered. It is shown that in the case of the 300 MeV electron LINAC being under reconstruction, the vacuum separation ...
  • Performance analysis of 30 MeV electron linac with a new injector system 
    Gokov, S.P.; Makhnenko, L.A.; Khodak, I.V.; Shopen, O.A. (Вопросы атомной науки и техники, 2009)
    The present paper deals with the problems of 30 MeV electron linear accelerator (LINAC-30) upgrading to attain optimum beam spectral characteristics. As one of the LINAC-30 upgrading variants, consideration has been ...

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