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Перегляд Bопросы атомной науки и техники, 2017 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2017 за назвою

Сортувати за: Порядок: Результатів:

  • Ion exchange in photoactivated inorganic matters 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedev, D.V.; Medvedeva, E.P.; Parhomenko, Yu.G.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2017)
    The effects of monovalent and bivalent impurities on the diffusive mobility sodium, caesium and strontium in magnesium potassium phosphate hexahydrate and clinoptilolite were analysed. It was determined that ratio of ...
  • Irradiation-induced changes in vibration structure of films of squaraine dye 
    Pavlenko, O.L.; Kulish, M.P.; Dmytrenko, O.P.; Kachkovsky, O.D.; Brusentsov, V.A.; Ilchenko, О.О.; Shlapatska, V.V.; Slominski, Yu.L. (Вопросы атомной науки и техники, 2017)
    Influence of high energetic electron irradiation (Еₑ = 1.8 МеV) on the vibration properties of the squaraine dye film was studied. Quantum-chemical calculations were applied for determination of vibration bands in Raman ...
  • Longitudinal extraction of H⁻ ions from Penning discharge with metal-hydride cathode 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Babenko, I.V.; Hrechko, Ya.O.; Hetman, V.A. (Вопросы атомной науки и техники, 2017)
    In the paper the emitting ability of negative hydrogen ions H⁻ in longitudinal direction from Penning discharge with metal-hydride cathode is investigated. This effect is possible due to mutual influence of activated ...
  • Longitudinal-radial motion of an electron beam in the solenoidal field of the secundary-emission magnetron gun 
    Dovbnya, A.N.; Dovbnya, N.A.; Mazmanishvili, А.S.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2017)
    The results of experimental studies and numerical calculations on the generation of an electron beam by a magnetron gun with a secondary-emission cathode are presented. With the aim of obtaining precision characteristics, ...
  • Low background scintillation setup to investigate radiopurity of materials 
    Kasperovych, D.V.; Danevich, F.A.; Kobychev, V.V.; Kropivyansky, B.N.; Sokur, N.V.; Tymoshenko, A.I. (Вопросы атомной науки и техники, 2017)
    Background of 2.128 kg CdWO₄ scintillation detector was reduced by 3 orders of magnitude in the energy region 0.5…2.6 MeV, and one order of magnitude above 3 MeV in the low background scintillation setup located in the ...
  • Magnetic field losses in Nd-Fe-B magnets under 10 MeV electron irradiation 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Dovbnya, A.N.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V.; Kalinichenko, A.I.; Kandybei, S.S.; Repikhov, O.A. (Вопросы атомной науки и техники, 2017)
    Reversible changes in magnetic properties of Nd-Fe-B magnets under electron beam with the energy of 10 MeV and bremsstrahlung irradiation were investigated. It was shown that direct electron beam irradiation resulted in ...
  • Measurement of electron beam energy characteristics at an industrial accelerator 
    Pomatsalyuk, R.I.; Shevchenko, V.A.; Shlyakhov, I.N.; Tenishev, A.Eh.; Titov, V.Yu.; Titov, D.V.; Uvarov, V.L.; Zakharchenko, A.A. (Вопросы атомной науки и техники, 2017)
    At an electron accelerator, the particle energy is one of critical parameters in the technological processes, as well as when conducting the radiation tests. The report presents the results of modernization of beam ...
  • Method for express determination of medical radionuclides ⁹⁹ᵐTc, ⁶⁷Cu concentration using spectrometer based on Si planar detector 
    Deiev, O.S.; Kiprich, S.K.; Maslov, N.I.; Ovchinnik, V.D.; Shulika, M.Y.; Vasiliev, G.P.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2017)
    The method of express analysis provides the measurement of radiation spectra of medical radionuclides by a detection module based on an uncooled silicon planar detector and a "scintillator-silicon photosensor" type module. ...
  • Methods for measuring hydrogen balance in vacuum chamber of U-3M torsatron during plasma experiments 
    Pashnev, V.K.; Petrushenya, A.A.; Bondarenko, V.N.; Sorokovoy, E.L.; Ponomarenko, N.P.; Ozherelyev, F.I. (Вопросы атомной науки и техники, 2017)
    The experimental method was developed for evaluation of a hydrogen particle flux balance over a wide range of operating conditions in the Uragan-3M torsatron (U-3M) in the course of RF discharges. Standard pressure gauges ...
  • Microstructure evolution and deuterium trapping in low-energy cascades after irradiation of SS316 stainless steel 
    Karpov, S.A.; Tolstolutskaya, G.D.; Sungurov, B.S.; Ruzhytskiy, V.V. (Вопросы атомной науки и техники, 2017)
    The release profile of deuterium from SS316 austenitic steel irradiated with low-energy deuterium ions was studied using thermal desorption spectroscopy as well as steel microstructure evolution after deuterium implantation ...
  • Modernization of control system of the beam critical parameters at a LU-10 industrial electron accelerator 
    Pomatsalyuk, R.I.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N. (Вопросы атомной науки и техники, 2017)
    Continuous control and monitoring of critical parameters of radiation processing of products is one of the requirements of the international standard ISO 11137. The current system to monitoring the parameters of radiation ...
  • Multiscale modeling of the low-temperature electron irradiation of beryllium 
    Bratchenko, M.I.; Dyuldya, S.V. (Вопросы атомной науки и техники, 2017)
    Presented are the methodology and the results of the multiscale modeling of radiation defects primary production and time evolution for 2.5 MeV cryogenic (77 K) irradiation of highly deformed to ~ 10¹² cm⁻² dislocations ...
  • New capabilities of plasma potential and density measurements using a dual heavy ion beam probing (HIBP) diagnostic in the TJ-II stellarator 
    Zhezhera, A.I.; Chmyga, A.А.; Deshko, G.N.; Eliseev, L.G.; Hidalgo, C.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Melnikov, A.V.; de Pablos, J.L.; Perfilov, S.V. (Вопросы атомной науки и техники, 2017)
    The unique capabilities of the dual HIBP system allow the investigation of multi-scale mechanisms to be expanded from the plasma edge to the plasma core in the TJ-II stellarator. Experiments with combined NBI and ECRH ...
  • Nonlinear convective heat transport in multiple magnetized electron temperature filaments 
    Sydora, R.D.; Van Compernolle; Karbashewski, S.; Morales, G.J.; Maggs, J.E. (Вопросы атомной науки и техники, 2017)
    Results are presented from a basic electron heat transport experiment consisting of multiple magnetized electron temperature filaments in close proximity. This arrangement samples cross-field transport from nonlinear ...
  • Non-linear filtering of pulse signals in case of high intensity noise 
    Kharchenko, O.I.; Gorban, A.M. (Вопросы атомной науки и техники, 2017)
    Signal standing out from the high-intensity noise is a main task in diagnostics of power beam plasma systems. Pulse signals detection from wide-band noise under low value of the signal-to-noise ratio is considered. Stochastic ...
  • Nuclear reactor on cylindrical standing burning wave with an external negative reactivity feedback 
    Leleko, Yu.Y.; Gann, V.V.; Gann, A.V. (Вопросы атомной науки и техники, 2017)
    Neutron kinetics of nuclear burning wave in moving incompressible neutron-multiplying medium in the pres-ence of nuclear reactions is developed. A cylindrical reactor is considered, where the burning wave moves radially ...
  • Numerical simulation of high-current ion beam transportation at the presence of compensating electron beams in a LIA section 
    Karas’, V.I.; Kornilov, E.A.; Manuilenko, O.V.; Tarakanov, V.P.; Fedorovskaya, O.V. (Вопросы атомной науки и техники, 2017)
    Transportation of a high-current ion beam (HCIB) with various currents was studied in the presence of accom-panying and additional electron beams' injection in the linear induction accelerator (LIA) section. The investigations ...
  • Obtaining silicon carbide via chemical vapor, plasma-chemical and sublimation methods 
    Zhuravlov, А.Yu.; Hovanskiy, N.А.; Khizhnyak, D.A.; Shirokov, B.M.; Semenov, N.A.; Shijan, А.V.; Strigunovskiy, S.V.; Yevsiukov, A.I.; Shevtsov, A.B.; Nazarenko, E.A.; Pilipenko, N.N. (Вопросы атомной науки и техники, 2017)
    In the present paper the results of studies on obtaining silicon carbide via chemical gas phase, plasma-chemical and sublimation methods are described. The thermodynamic analysis of chemical reactions of silicon carbide ...
  • On anti-Chudakov effect in ultrarelativistic electron-positron pair ionization loss in thin target 
    Trofymenko, S.V. (Вопросы атомной науки и техники, 2017)
    The ionization loss of an ultrarelativistic e⁺e⁻ pair in a system of two separated targets { thick upstream, in which the pair is created, and thin downstream { is considered. The main attention is drawn to investigation ...
  • On the dependence of the efficiency of stochastic mechanism of charged particle beam deflection in a bent crystal on the particle energy 
    Kirillin, I.V. (Вопросы атомной науки и техники, 2017)
    The problem of stochastic deflection of high-energy charged particles was considered on the basis of analytical calculation and numerical simulation. It was shown that with increasing energy of charged particles the maximal ...

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