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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:

  • 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 ...
  • On the effective interaction of waves in inhomogeneous, nonstationary media 
    Buts, V.A.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2017)
    The description of new conditions of effective interaction of waves in periodically inhomogeneous and periodically nonstationary media is given. New conditions, as a special case, contain the known conditions of interaction ...
  • Photonuclear production of Yb-175 
    Dikiy, N.P.; Dovbnya, A.N.; Krasnoselsky, N.V.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2017)
    The use of photonuclear nanotechnology makes it possible to obtain the ¹⁷⁵Yb isotope with acceptable characteristics without the content of impurities of other isotopes. Irradiation of Yb₂O₃ nanoparticles of a natural ...
  • Radiation shield of therapeutic electron accelerator “CLINAC” 
    Voronko, V.A.; Dovbnya, A.N.; Pugachev, G.D.; Sotnikov, V.V.; Uvarov, V.L.; Shestakova, V.S. (Вопросы атомной науки и техники, 2017)
    It is anticipated that a therapeutic electron accelerator “Clinac” (manufactured by Varian Co., USA) will be installed at NSC KIPT. It has been suggested that the available compartment having thick concrete walls might be ...
  • Regimes of irradiation by electrons of samples of materials in supercritical water convection loop 
    Bakai, A.S.; Boriskin, V.N.; Bratchenko, M.I.; Dovbnya, A.N.; Dyuldya, S.V.; Gorenko, Yu.V.; Momot, V.A.; Romanovsky, S.K.; Savchenko, A.N.; Solodovnikov, V.I.; Titov, V.Yu.; Shelepko, S.V.; Tcebenko, G.N. (Вопросы атомной науки и техники, 2017)
    The specially designed in the NSC KIPT Supercritical Water Convection Loop (SCWCL) with an irradiation chamber coupled to an electron accelerator LPE-10 gives an opportunity for corrosion and mechanical tests of materials ...
  • Relativistic charged-particle beam scalar potential calculations for coaxial Drift tube of infinite length 
    Yatsenko, Т.; Ilyenko, К. (Вопросы атомной науки и техники, 2017)
    We receive the first order analytical expression for the scalar potential transversal distribution of finite width uniform density axisymmetric relativistic charged-particle beam propagating in the unbounded in the ...
  • Stand for electromagnetic compatibility tests using a signal of ultrashort duration with a complex spectral composition 
    Karelin, S.Yu.; Magda, I.I.; Mukhin, V.S. (Вопросы атомной науки и техники, 2017)
    The possibility to create the stand for tests of electronic equipment on electromagnetic compatibility based on TEM cell and high voltage nanosecond pulse source with a complex spectral composition has been considered. The ...
  • Structural transformation in Zr/Mg multilayer on Si substrate after annealing 
    Konotopsky, L.E.; Kopilets, I.A.; Kosmachev, S.M.; Kondratenko, V.V. (Вопросы атомной науки и техники, 2017)
    A Zr/Mg periodic multilayer was deposited onto silicon substrate by DC magnetron sputtering. Study of the Zr/Mg multilayer structure in an initial state and after thermal annealing in a temperature range of 100...600 °C ...
  • Superradiant emission regimes of the system of stationary oscillators 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2017)
    The mathematical model of superluminescence of a finite system of nonlinear oscillators is considered. With each oscillator generating its own field, the oscillators interact through integral field of radiation. The influence ...
  • Suppression of malignant neoplasms in biological structures by method of immune therapy 
    Dovbnya, A.N.; Yefimov, V.P.; Kramskoy, G.D. (Вопросы атомной науки и техники, 2017)
    An approach to solve a problem of reducing the zone of malignant tumors in biological structures is proposed. The method is based on the combined effect of permanent magnetic and electric fields on the vascular endothelium ...
  • The comparison of the expressions for DTR angular density in Laue and Bragg scattering geometries 
    Blazhevich, S.V.; Zagorodnyuk, R.A.; Noskov, A.V. (Вопросы атомной науки и техники, 2017)
    In the present work, the expressions for angular density of DTR generated in a single-crystal target by a relativistic electron are derived for cases of Laue and Bragg scattering geometries. The derived expressions have ...
  • The diffusion effects in relativistic electron beam in an undulator 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2017)
    We consider diffusion processes in momentum space of a relativistic electron beam moving in a spatially periodic magnetic field of an undulator. Basing on the dynamics of individual particles motion under the action of the ...
  • The effect of gamma radiation on structure of struvite-К 
    Bereznyak, E.P.; Dikiy, N.P.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Sayenko, S.Y.; Uvarov, V.L.; Fedorets, I.D.; Hodyreva, Y.S. (Вопросы атомной науки и техники, 2017)
    The effect of gamma radiation upon functional characteristics of nanostructural struvite-K is analyzed. Spectra of absorption struvite-K have been measured in infra-red area. Results of a microstructure of samples after ...
  • The emission surface calculation for reactive gas ion source with decreased neutral gas inleakage 
    Martynenko, P.A. (Вопросы атомной науки и техники, 2017)
    The possibility of calculating the cathode shape of an ion sources for a beam formation system is investigated with the computer code. The acceleration of nitrogen ions with energies from 10 to 50 keV and ion currents of ...
  • The experimental determination of heavy metal nuclei fission reactions cross sections at 0.66 GeV protons beam 
    Zhuk, I.; Husak, K.; Kruk, A.; Voronko, V.; Sotnikov, V.; Zadan, А.; Baldin, А.; Tyutyunnikov, S. (Вопросы атомной науки и техники, 2017)
    Cross sections of fission reactions of ¹⁹⁷Au, ²⁰⁷Pb, ²⁰⁹Bi, ²³²Th, ²³⁸U heavy metals induced by protons with energy of 0.66 GeV are presented. The protons beam was extracted from the Phasotron accelerator at JINR, Dubna, ...

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