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Перегляд Вопросы атомной науки и техники, 2004, № 2 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 2 за назвою

Сортувати за: Порядок: Результатів:

  • Decontamination of drug vegetative raw material by relativistic electron beam 
    Gorbanyuk, A.G.; Dikiy, I.L.; Egorov, A.M.; Zemliansky, N.M.; Kiselev, V.A.; Linnik, A.F.; Mirny, V.I.; Onishchenko, I.N.; Uskov, V.V. (Вопросы атомной науки и техники, 2004)
    The new technology of decontamination of drug vegetative raw material and medical products is proposed. Advantages of use of relativistic beams in a range of electron energies from 0.5 MeV to 5 MeV for these purposes ...
  • Detectors of charged particles and low-energy gamma-quanta on the basis of Ticor single crystals 
    Litvinov, L.A.; Krivonosov, E.V.; Kol’ner, V.B.; Ryzhikov, V.D.; Kvitnitskaya, V.Z.; Chernikov, V.V.; Tarasov, V.A.; Zelenskaya, O.V. (Вопросы атомной науки и техники, 2004)
    Scintillation characteristics have been studied for detectors of charged particles and low-energy gamma-quanta produced on the basis of Ticor single crystals.
  • Development of a low background pulsed generator of intermediate energy range neutrons for remote detection of fissile materials 
    Chornyi, V.; Frolov, A.; Tsepilov, G.; Dubina, V.; Chornyi, A.; Solovyov, V. (Вопросы атомной науки и техники, 2004)
    A structure of radiation shielding for a low background pulsed generator of intermediate energy range neutrons was developed on the basis of calculations and the data obtained in the model experiments, and limit parameters ...
  • Development of alternatives for accelerating structure in the range of intermediate proton energy 
    Bomko, V.A.; Egorov, A.M.; Kobets, A.P.; Marinina, E.D.; Rudiak, B.I.; Tishkin, S.S.; Vdovin, S.A.; Zaitsev, B.V. (Вопросы атомной науки и техники, 2004)
    A scope of the linear accelerating structures for acceleration proton high rower beams in energy range 5… 100 MeV is presented. Main task lies in a possibility to use superconductive equipment. The results are given ...
  • Development of a pulsed bremsstrahlung source on a base of a nanosecond and microsecond REB accelerators 
    Batrakov, A.B.; Egorov, A.M.; Gaponenko, N.I.; Glushko, E.G.; Lonin, Yu.F.; Rudnev, N.I.; Sereda, B.V.; Neklyudov, I.M.; Parkhomenko, A.A.; Grivo, A.G.; Mazilov, A.V. (Вопросы атомной науки и техники, 2004)
    In the paper the preliminary results on measuring parameters of a pulsed bremsstrahlung source developed for investigation of physical-mechanical properties of reactor materials are given. Generation of γ-radiation ...
  • Dynamics of heavy ions in the isochronous cyclotron for production of nuclear membranes 
    Onischenko, L.M.; Samsonov, E.V. (Вопросы атомной науки и техники, 2004)
    Isochronous cyclotron CYTRECK intended for a production of nuclear membranes was put into operation in 2002 year in Dubna. The ions with the relation A/Z=5 are accelerated to the energy ∼2.4 MeV/nucleon and extracted ...
  • Formation of localised electron flow inside an interaction region of relativistic magnetron 
    Agafonov, A.V.; Lebedev, A.N.; Krastelev, E.G. (Вопросы атомной науки и техники, 2004)
    For an increasing of the efficiency of relativistic magnetrons it is very important to prevent the axial drift of electrons away from an interaction region and the generation of a parasitic e-beam at the end of a cathode, ...
  • Functioning of LIA-30 accelerator in the mode of generating bremsstrahlung pulses shortened to several nanoseconds 
    Veresov, V.P.; Gornostaj-Pol’ski, S.A.; Gritsina, V.P.; Grishin, A.V.; Zalomina, N.N.; Kul’gavchuk, V.V.; Lazarev, S.A.; Model’, B.I.; Slusarenko, S.Ya.; Tarasov, A.D. (Вопросы атомной науки и техники, 2004)
    Deceleration of electrons and further transformation of the beam current lead to the ~2-times increase of the pulse amplitude, self-excited acceleration ofelectrons at the cutoffand shortening of15…20 Gy bremsstrahlung pulse.
  • Gamma-activation method for the element analysis of agricultural products after vacuum drying 
    Dikiy, N.P.; Kutovoy, V.A.; Kutovoy, S.V.; Lyachko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Nikolaenko, A.A.; Onishchenko, N.I.; Uvarov, V.L.; Fedorets, I.D.; Grytsan, L.D. (Вопросы атомной науки и техники, 2004)
    Development of the combined technologies of drying allows one to speed up the process of moisture moving away from the dried material and to decrease the energy consumption per the production unit. The composition of macro- ...
  • High-current hollow beam dynamics in RF electron guns 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2004)
    RF electron guns with a metal-dielectric cathode are able to generate intense beams with nanosecond current pulse duration. The plasma developed during the dielectric surface flashover in vacuum is the source of particles ...
  • High voltage modulators based on solid-state elements for linacs (review) 
    Beloglazov, V.I.; Dyomin, V.S.; Dovbush, L.S.; Kosoj, A.I.; Shkirida, S.M.; Tur, Yu.D. (Вопросы атомной науки и техники, 2004)
    The data on developing and creating high-voltage pulse modulators for linacs with using Insulator Gate Bipolar Transistors (IGBT) and Integrated Gate Commutate Thyristors (IGCT) are presented. Comparative analysis of ...
  • Hysteresis effects in electron guns 
    Agafonov, A.V.; Lebedev, A.N. (Вопросы атомной науки и техники, 2004)
    Computer simulations of beam formation in an electron gun with large compression of a thin annular beam show some hysteresis effects: a beam with different currents can exist in the same external conditions. The results ...
  • Improved characteristics of HV pulse modulators for technological accelerators 
    Dolgov, A.; Kildisheva, O. (Вопросы атомной науки и техники, 2004)
    The new modulator series intended to provide a pulse power supply of MI-451, MI-456 microwave magnetrons is described. The main feature of this modulator series, as compared with the existing national counterparts, is ...
  • Investigation of properties of a spatial lattice formed by resonance dielectric spheres 
    Bryzgalov, G.A. (Вопросы атомной науки и техники, 2004)
    The artificial dielectric model is used in creation of a material with the negative ε and µ and in describing electromagnetic wave interactions with vital tissues. The paper presents the theoretical study of the frequency ...
  • Investigation of stability electron beam parameters in sources with cold secondary-emission cathodes 
    Dovbnya, A.N.; Ayzatsky, N.I.; Boriskin, V.N.; Zakutin, V.V.; Kushnir, V.A.; Mitrochenko, V.A.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2004)
    The investigation into the generation of tubular electron beams and their parameters in a system of secondaryemission cathodes was carried out. The parameters of electron beams with the use of a multichannel measuring ...
  • Investigation of system for external injection of H⁻ ion beam on cyclotrons 
    Veresov, O.L.; Grigorenko, S.V.; Strokach, A.P.; Udovichenko, S.Yu.; Tsygankov, S.S.; Zuev, Yu.V. (Вопросы атомной науки и техники, 2004)
    The article presents results of experimental studies carried out at an installation (“SVITS”) simulating a system for external injection of H⁻ions with the beam current of up to 2 mA and energy up to 30 keV for cyclotrons. ...
  • Investigation of the hollow beam structure on optical transition radiaton 
    Ayzatsky, M.I.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.; Zhiglo, V. (Вопросы атомной науки и техники, 2004)
    The features of studying the structure of a dense annular beam with OTR from metal targets at electron energy ≤ 50 keV are described. The image of the cross section of the annular beam with sub-millimeter wall thickness ...
  • Linear accelerators for radiation sterilization developed in NPK LUTS NIIEFA 
    Vorogushin, M.F.; Gavrish, Yu.N.; Demsky, M.I.; Maksimov, V.M. (Вопросы атомной науки и техники, 2004)
    NPK LUTS NIIEFA has been developing linear accelerators for industrial applications during about 30 years. More than 150 linear accelerators for different applications have been manufactured by this company and installed in ...
  • Magnetic structure of the NSC KIPT nuclear-and-highenergy-physics electron accelerator at 400 MeV 
    Dovbnya, A.N.; Guk, I.S.; Kononenko, S.G.; Peev, F.A.; van der Wiel, M.; Botman, J.I.M.; Tarasenko, A.S. (Вопросы атомной науки и техники, 2004)
    The magnetic structure of the base accelerating facility of NSC KIPT with a continuous electron beam with an energy of 400 MeV is described. The accelerator represents a recirculator, which is based on two standard TESLA ...
  • Mathematical simulation of the neutron interaction with matter 
    Dovbnya, A.N.; Prokhorets, I.M.; Prokhorets, S.I.; Slabospitskiy, R.P.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2004)
    The application of neutron beams is important for some fundamental problems in nuclear physics, for fission and fusion reactors, future safety of atomic energy, neutron radioactivation analysis, neutron radiography etc. ...

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