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Перегляд Вопросы атомной науки и техники, 2004, № 1 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 1 за датою випуску

Сортувати за: Порядок: Результатів:

  • Calibration of X-ray space telescopes 
    Shchagin, A.V.; Sanin, V.M.; Sotnikov, V.V.; Voronko, V.A. (Вопросы атомной науки и техники, 2004)
    In this work the new concept of a source of X-ray beam for ground calibration of next-generation telescopes is proposed. This facility contains a source of a parametric X-ray radiation (PXR). The source would provide ...
  • Ecological aspects of 99Mo/99mTc production at an electron accelerator 
    Dikiy, N.P.; Lyashko, Yu.V.; Uvarov, V.L.; Shlyakhov, I.N.; Malets, Eu.B. (Вопросы атомной науки и техники, 2004)
    The present report deals with experimental investigations into possible processes of accumulation of radioactive by-products (RBPs) during 99Mo/99mTc production at an electron linac. Foils from natural molybdenum (a target) ...
  • Location of heavy elements by monochromatic X-ray beam 
    Shchagin, A.V.; Sanin, V.M.; Sotnikov, V.V.; Voronko, V.A.; Yegorov, A.M. (Вопросы атомной науки и техники, 2004)
    The remote nondestructive detection of materials with heavy elements is an important task in number of applications, including needs for control of terrorist’s activity. In the report, we discuss a possibility to use ...
  • Investigation of the energy deposition profile in NaCl under electron irradiation 
    Gann, V.V.; den Hartog, H.W.; Vainshtein, D.I. (Вопросы атомной науки и техники, 2004)
    We have proposed a new model for the calculation of the absorbed dose profile in a thick target under 0.1…3 MeV electron irradiation. The build-up phenomenon is shown to increase the maximum of the energy deposition profile ...
  • Application of PENELOPE system to support the radiation technologies based on LU-10 linac 
    Karasyov, S.P.; Nikiforov, V.I.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2004)
    A new code based on the PENELOPE system has been worked out for simulation and optimization of product processing modes on LU-10 technological accelerator (8...18 MeV, 12 kW) with scanned electron beam. The results of ...
  • Research of transmutation of products of nuclear cycle at the electron accelerator 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2004)
    The analysis of the use of linear electron accelerators for transmutation of fission products and actinides from nuclear power plants is carried out. The results of irradiation of isotopes ⁹⁰Sr, ²⁴¹Am and ChNPP fuel ...
  • Cryogenic adsorption pumps for REB accelerrators 
    Batrakov, A.B.; Kravchenko, V.A.; Lonin, Yu.F.; Chernyshenko, V.Ya. (Вопросы атомной науки и техники, 2004)
    It is known that in relativistic electron bunching (REB) accelerators the main residual gases are air components. Under irradiation in targets made of different materials being studied, a significant increase of a level ...
  • Source of high energy gamma rays on basis of storage ring with internal target and electron cooling 
    Gubin, K.V.; Mashinin, V.A.; Parkhomchuk, V.V.; Shamovskij, V.G.; Vostrikov, V.A. (Вопросы атомной науки и техники, 2004)
    The project of a high-energy monochromatic gamma radiation source is developed. The source is based on the storage ring with an internal thin target. A limiting factor for using of the internal target is the growth of the ...
  • Application of linac for study of diffusion macro- and trace elements in minerals used at vacuum drying 
    Dikiy, N.P.; Dovbnya, A.N.; Kutovoy, V.A.; Medvedeva, E.P. (Вопросы атомной науки и техники, 2004)
    The gamma activation analysis at the powerful linear accelerator was used for study of element diffusion in minerals of heating elements before vacuum drying. It is shown, that after vacuum drying the transition of ...
  • The structure of the undersurface layer of alloys in the region of influence of the relativistic tube-like electron beam and thermodynamic models 
    Klepikov, V.F.; Kivshyk, V.F.; Berezovsky, S.V.; Lytvynenko, V.V.; Bryukhovetsky, V.V.; Bazaleev, N.I.; Uvarov, V.V. (Вопросы атомной науки и техники, 2004)
    Influence of the pulse tubular relativistic electron beam on the structure of near-surface layer of steel 45 has been studied. It is shown that in the range of contact between the tubular beams and target the convexity ...
  • Experimental study of secondary emission mode in RF gun with thermionic cathode 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Perezogin, S.A.; Stepin, D.L. (Вопросы атомной науки и техники, 2004)
    The paper deals with the problems concerning the influence of secondary emission on the operation of radio frequency (RF) gun with thermionic cathode. The characteristics of particles bombarding the cathode are investigated by ...
  • Installation for gas-phase deposition of materials 
    Lonin, Yu.F.; Pilipets, Yu.O.; Khovansky, N.A.; Sheremet, V.I.; Shirokov, B.M. (Вопросы атомной науки и техники, 2004)
    The installation for gas-phase deposition of materials is developed. Gas- dynamic parameters of a vapor-gas mixture flow in the reaction volume by flow-around of the surface being coated are evaluated. The processes ...
  • RF power supply system of industry irradiation facility 
    Gavich, V.T.; Zavadtsev, A.A.; Zavadtsev, D.A.; Krasnov, A.A.; Sobenin, N.P.; Kolosov, O.S. (Вопросы атомной науки и техники, 2004)
    Irradiation facility is designed for fruit disinfestations by means of two-side 9 MeV electron beam irradiation. Throughput of the facility is 30 T/h at a minimum dose of 150 Gy. The system includes a master generator, ...
  • Investigation of the hollow beam structure on optical transition radiaton 
    Ayzatsky, M.I.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.M.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2004)
    In this paper we represent the experimental data on measurement of the transverse current density distribution of the annular beam with the sub-millimeter wall thickness. A digital photo camera was used to increase sensibility ...
  • Waveguide channel for TNK linear accelerator–injector 
    Chernov, K.N.; Makarov, I.G.; Matyash, N.V.; Melekhova, R.I.; Ostreiko, G.N.; Persov, B.Z.; Ruvinsky, S.I.; Serdobintsev, G.V. (Вопросы атомной науки и техники, 2004)
    80 MeV linear accelerator is a part of the industrial storage facility at the State Research Institute for Problems in Physics named after F.V. Lukin (Moscow, Zelenograd). 6-meter long accelerating DAW structure operates ...
  • UHF–load 
    Dovbnya, A.N.; Kramskoy, G.D.; Zlunitsyn, E.S.; Zykov, A.I. (Вопросы атомной науки и техники, 2004)
    In this paper the brief description of the HF-load construction in which the HF-power dissipates only in the walls from stainless steel, and the preliminary results of tests on the Pimp to 12 MW and Pmean to 8 kW are ...
  • Multichannel system for research of secondary emission pulse electron beam generation 
    Ayzatsky, N.I.; Boriskin, V.N.; Gurin, V.A.; Kushnir, V.A.; Mitrochenko, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Savchenko, A.N.; Zakutin, V.V. (Вопросы атомной науки и техники, 2004)
    To carry out crossed-field secondary emission electron sources scientific-research developments we have designed and manufactured a 12-channel information measuring system. A hardware complex of the multichannel pulse-signal ...
  • Optimization of condition of target irradiation for radionuclide production 
    Dovbnya, A.M.; Shramenko, B.I.; Torgovkin, A.V. (Вопросы атомной науки и техники, 2004)
    In this report the different target arrangement relative to the bremsstrahlung beam have been considered. The analyses of spectral and angular distributions of bremstrahlung from different targets and as function of ...
  • Dispersion and radiating ability of relativistic electronic gas 
    Porkhaev, V.V.; Zavyalov, N.V.; Punin, V.T.; Telnov, A.V.; Khokhlov, Ju.A. (Вопросы атомной науки и техники, 2004)
    In the paper the dispersion and conditions of formation of nonequilibrium radiation in the relativistic electronic gas are considered. For a case of a high-density electron bunch in the cw-approach and a wave-zone unharmonic ...
  • Investigation of the ceramic windows used in linear electron accelerators of the NSC KIPT 
    Dovbnya, A.N.; Zlunitsyn, E.S.; Zykov, A.I.; Kramskoy, G.D. (Вопросы атомной науки и техники, 2004)
    The results of investigations of HF windows on the basis of ceramic cones (CC) from klystrons KIU-12АM are presented. Phenomena of “locking” of the windows and stationary shining of CC are studied. Their physical models are ...

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