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Перегляд Вопросы атомной науки и техники, 2017, № 6 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2017, № 6 за назвою

Сортувати за: Порядок: Результатів:

  • Chaotic dynamics at cyclotron resonances 
    Buts, V.A.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2017)
    Mechanisms and criteria for the transition to chaotic dynamics of particles and fields under conditions of electron cyclotron resonances (ECR) are considered. It is shown that the known conditions for the onset of dynamic ...
  • Deuteron-deuteron nucleosynthesis considered with accounting of centrifugal and coulomb barriers 
    Tkachenko, I.V.; Trubnikov, S.V.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2017)
    The basic analysis of nuclear reactions in the deuteron-deuteron (dd) system at low energies is carried out. For the case of nuclear dd-fusion special attention is paid to the difference in the height of the Coulomb barriers, ...
  • Dinamics of amorphous dielectrics lyuminescence induced by pulse electron beam 
    Romanovsky, S.K.; Shevchenko, V.A.; Tenishev, A.Eh.; Titov, V.Yu.; Titov, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2017)
    A method has been developed and experimental investigation conducted on time dependence of intensity of the cathodoluminescence (CL) induced in technical dielectric materials by high-energy pulse electron beam. At a LU-10 ...
  • Dissipative generation regime of a system of stationary oscillators 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2017)
    A system of independent oscillators is considered. The interaction of the oscillators occurs through the field of the wave. The initial phases of the oscillators are random. The synchronization of the oscillators by an ...
  • Dosimetry method based on a two-parametric model of electrons beam for radiation processing 
    Lazurik, V.T.; Lazurik, V.M.; Popov, G.Ph.; Zimek, Z. (Вопросы атомной науки и техники, 2017)
    The work is devoted to development of electron dosimetry methods for radiation technologies. In authors previous work it was shown that use of two parametric models of electron beam makes it possible to correctly approximate ...
  • Dynamics of self-injected electron bunches at their acceleration by laser pulse in plasma 
    Bondar, D.S.; Levchuk, I.P.; Maslov, V.I.; Nikonova, S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2017)
    Dynamics of self-injected electron bunches has been numerically simulated in blowout regime at self-consistent change of electron bunch acceleration by plasma wakefield, excited by a laser pulse, to additional their ...
  • Electron flow dynamics in resistive gap 
    Pashchenko, A.; Ostroushko, V. (Вопросы атомной науки и техники, 2017)
    It is considered the evolution of electron flow in the short-circuited gap with taking into account of the braking force proportional to velocity. The linear analysis of the stationary states stability is made. For the ...
  • Experimental complex for investigation of construction materials on the helium ions linear accelerator 
    Anokhin, R.A.; Zaitsev, B.V.; Pavlii, K.V.; Zhuravlev, V.G.; Soshenko, V.A. (Вопросы атомной науки и техники, 2017)
    The paper describes the experimental complex for the helium ions linear accelerator consisting of an irradiation chamber, sensors, analog signal converters (ADC) and a computer with a program for processing experimental ...
  • External beam radiotherapy facilities in Ukraine. Trends and challenges 
    Starenkiy, V.P.; Petrichenko, O.O.; Averyanova, L.O. (Вопросы атомной науки и техники, 2017)
    The most important aspects of technological support of the radiation therapy of Ukraine are considered in accordance with the requirements of the IAEA. The reasons that influence the availability of radiotherapy for cancer ...
  • Hafnium in nuclear power industry: the evolution of increasing of the economic indicators and the operation safety of pressurized water nuclear reactors 
    Shilyaev, B.A.; Ulybkin, A.L.; Kovtun, K.V.; Rybka, A.V.; Kutny, V.E.; Pudov, A.O. (Вопросы атомной науки и техники, 2017)
    А further increase of the reliability, safety and efficiency of nuclear reactors, the extension of the nuclear fuel campaign and a better control of the fuel burning-out level demand to search for and use new materials. ...
  • High pure zirconium 
    Pylypenko, M.M. (Вопросы атомной науки и техники, 2017)
    The results of investigations of zirconium refining processes by methods of electron-beam melting and zone recrystallization using high-vacuum technology are presented. It is shown that the applied methods of zirconium ...
  • Impact of microwave pulses of ultrashort duration on a personal computer 
    Gadetski, N.P.; Karelin, S.Yu.; Magda, I.I.; Shapoval, I.M.; Soshenko, V.A. (Вопросы атомной науки и техники, 2017)
    Procedure of the tests for electromagnetic compatibility and strength (EMSS) of a personal computer (PC) to microwave ultrashort duration pulse (USP) and analysis of the results are described. 3D simulation of the MW USP ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • 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 ...

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