Наукова електронна бібліотека
періодичних видань НАН України

Перегляд Problems of Atomic Science and Technology, 2019 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019 за назвою

Сортувати за: Порядок: Результатів:

  • Processing of experimental data of the process of refining nuclear material Zr1%Nb by electron-beam melting by means of interval analysis methods 
    Yefimov, A.V.; Pylypenko, M.M.; Potanina, T.V.; Yesypenko, T.A.; Harkusha, T.A.; Stadnik, Yu.S. (Вопросы атомной науки и техники, 2019)
    The possibilities of applying the methods and models of interval analysis, which take into account the uncertainties in the specification of data for Zr1%Nb alloys, to more accurately determine the relationship between the ...
  • Processing substandard materials of magnesium-thermal zirconium production 
    Pylypenko, M.M.; Yanko, T.B.; Stadnik, Yu.S.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2019)
    This paper describes results of study processing of substandard materials and waste of magnesium-thermal production of spongy zirconium to determine the optimal methods of zirconium recycling. The optimal methods of ...
  • Production of molecular hydrogen formed by the thermal and radiation-thermal transformation of water in the nano-Si+H₂O system 
    Jafarov, J.D.; Bashirova, S.M.; Eyubov, K.T.; Garibov, A.A. (Вопросы атомной науки и техники, 2019)
    It were studied the regularities of the dependence of the yield of molecular hydrogen obtained during the thermal and radiation-thermal transformation of water under the action of gamma quanta (⁶⁰Co, P = 18.17 rad/s) on ...
  • Propagation of optical femtosecond pulses through quartz and glass ВК-7 
    Leshchenko, V.P.; Povrozin, A.I.; Sotnikov, G.V.; Vasiliev, A.V.; Galaydych, K.V.; Karelin, S.Yu. (Вопросы атомной науки и техники, 2019)
    In the approximation of dispersion theory to the fourth order inclusive, a theoretical study of the propagation of optical femtosecond pulses of a Gaussian profile and a profile proportional to the hyperbolic secant through ...
  • Prospects of application of tubes made of duplex steels of a new generation in the heat exchanging equipment of nuclear power plants 
    Dergach, T.A.; Sukhomlyn, G.D.; Panchenko, S.A.; Kalinina, N.E.; Balev, A.E.; Krasiuk, A.V.; Kalinin, V.T. (Вопросы атомной науки и техники, 2019)
    Prospects of using tubes produced by Centravis Production Ukraine JSC of ferritic-austenitic (duplex) steels of a new generation according to the developed innovative technology in the heat exchanging equipment of nuclear ...
  • Pulsed electromagnetic gas valves for high-current plasma accelerators 
    Staltsov, V.V.; Chebotarev, V.V.; Herashchenko, S.S.; Kulik, N.V. (Вопросы атомной науки и техники, 2019)
    The paper describes the design features of a gas valve for the axial (parallel to the axis of the accelerator) working gas supply into the accelerator channel. The results of gas-dynamic studies of the injectors are ...
  • Pure iron and nickel for new structural reactor materials 
    Pylypenko, M.M.; Stadnik, Yu.S.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2019)
    The refining processes of iron and nickel from metal and gas impurities by physical methods in vacuum are considered. The effectiveness of using electron-beam melting for purification of these metals is shown. Iron and ...
  • Quasi-harmonic oscillations in a nonlinear transmission line, resulting from cherenkov synchronism 
    Karelin, S.Y.; Krasovitsky, V.B.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G. (Вопросы атомной науки и техники, 2019)
    Experimental data and results of numerical modeling are presented, concerning excitation of microwave oscillations by a wave of pulsed ‘dc’ current (eventually, a shock wave) traveling through a radially non-uniform coaxial ...
  • Radiation induced demagnetization of permanent magnets under 10 MeV electron beam 
    Bovda, V.А.; Bovda, А.М.; Guk, I.S.; Dovbnya, А.N.; Lyashchenko, V.N.; Mytsykov, А.О.; Onishchenko, L.V.; Kandybey, S.S.; Repihov, O.A. (Вопросы атомной науки и техники, 2019)
    Nd-Fe-B and Sm-Co magnets were irradiated by electron beam with the energy of 10 MeV and bremsstrahlung. The absorbed dose was 16 and 160 Grad. It was found that magnetic flux of Nd-Fe-B magnets decrease with irradiation, ...
  • Radiation-induced effects in silicon 
    Gaidar, G.P.; Pinkovska, M.B.; Starchyk, M.I. (Вопросы атомной науки и техники, 2019)
    Results of complex studies of the structural properties of silicon irradiated with light ions of megaelectronvolt energies by fluences greater than 10¹⁶ cm⁻² are presented. It was found that during irradiation under ...
  • Radiation-induced moution of liquid inclusions in alkali halide crystals 
    Kulik, A.P.; Podshyvalova, O.V.; Marchenko, I.G. (Вопросы атомной науки и техники, 2019)
    The radiation-stimulated behavior of liquid inclusions in KCl crystal was studied. It was shown that due to irradiation the inclusions become movable. It can result in the migration of such objects to the boundary of the ...
  • Radiation of virtual cathode sequence in magnetized relativistic electron beam 
    Gorban, А.М.; Lonin, Yu.F.; Ponomaryov, A.G. (Вопросы атомной науки и техники, 2019)
    The numerical simulation method has been applied to investigate the characteristics of radiation from the sequence of two or three virtual cathodes (VC) which are formed in the magnetized plane relativistic electron beam. ...
  • Radiation resistance of composite scintillators 
    Boyarintsev, A.Yu.; Galunov, N.Z.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Grinyov, B.V.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Martynenko, E.V.; Popov, V.F.; Sidletskiy, O.Ts.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2019)
    Radiation resistance of composite scintillators containing grains of organic or inorganic single crystals has been analysed. The analysis is based on the study of composite scintillators containing grains Gd₂SiO₅:Ce (GSO:Ce), ...
  • Radiation sensitization of the idle voltage spectrum in the photoactive layers of the C₆₀ molecules and squaraine dyes DBSQ 
    Gaponov, А.М.; Pavlenko, О.L.; Dmytrenko, O.P.; Pinchuk-Rugal, Т.М.; Busko, Т.О.; Pundyk, I.P.; Onanko, A.P.; Alieksandrov, M.A.; Kulish, M.P. (Вопросы атомной науки и техники, 2019)
    Quantum-chemical calculations of geometry, charge transfer, energy states, localization of molecular orbitals, optical transitions for complexes of fullerene C₆₀ molecules and DBSQ squaraine dyes were obtained. Optical ...
  • Radiation-termocatalytic processes for hydrogen production from water 
    Agayev, T.N.; Melikova, S.Z.; Hadzhiyeva, H.F. (Вопросы атомной науки и техники, 2019)
    The radiation-thermal-catalytic processes of water decomposition in the n-ZrO₂-n-Al₂O₃+H₂O system are investigated. The kinetics of molecular hydrogen accumulation was studied during radiolytic processes of water decomposition ...
  • Rare-earth permanent magnet in magnetic system of electron accelerator with the energy of 10 MеV 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Kandybey, S.S.; Kononenko, S.G.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Вопросы атомной науки и техники, 2019)
    The radiation resistance of Sm-Co and Nd-Fe-B magnets under 10 MeV electron beam was studied. The simulation and design of a magnetic system for electron beam analysis of a technological accelerator for energy up to 10 MeV ...
  • Recrystallization in the metal of welding joints of steam trucks 
    Dmytryk, V.V.; Glushko, A.V.; Tsar, A.K. (Вопросы атомной науки и техники, 2019)
    The recrystallization process in the structure of welded joints of steam pipelines from heat-resistant pearlitic steels, operated for a long time under creep conditions (Te = 545…585 °С, Рe = 20…25 MPa), reduces their ...
  • Research of the composition of oxide layer and corn of the klystron cathodes with different degree of development 
    Vangha, S.O.; Dronov, R.M.; Mats, V.O.; Medvediev, O.V.; Tytov, V.Yu.; Tur, Yu.D.; Chayka, I.O.; Yaroshenko, E.A. (Вопросы атомной науки и техники, 2019)
    In accordance with the work program for the restoration of klystrons, a cycle of studies was carried out, which includes X-ray fluorescence analysis of the composition of the emitter layer and core of oxide cathodes with ...
  • Resonant spread wave function in parabolic potential 
    Mazmanishvili, А.S. (Вопросы атомной науки и техники, 2019)
    In this paper, we consider the parabolic potential, which as a whole is subject to dipole or quadrupole action (parametric resonance), which periodically changes with time, and the dynamics of the wave function of a particle. ...
  • RF power supply system for ion technology accelerator 
    Vdovin, S.A.; Gladkiy, N.P.; Gorajinov, O.M.; Gussev, Ye.V.; Kovalenko, V.F.; Koval, O.G.; Lobzov, L.D.; Makhnenko, P.L.; Manuilenko, O.V.; Ponomarchuk, E.I.; Podolayk, O.P.; Sokil, V.N. (Вопросы атомной науки и техники, 2019)
    An analytical complex is being created at the NSC KIPT for the study of materials by activation analysis. The design, characteristics and tuning results of the first channel of the high-frequency power supply system of the ...

Пошук


Розширений пошук

Перегляд

Мій обліковий запис