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Перегляд Problems of Atomic Science and Technology, 2022 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2022 за назвою

Сортувати за: Порядок: Результатів:

  • Nature of deviations from the regularities of three-particle recombination in dense plasma 
    Zhovtyansky, V.A. (Problems of Atomic Science and Technology, 2022)
    An explanation is proposed for the phenomenon of deviations from the functional laws of three-particle recombination in dense electric arc plasma of argon at an initial electron density of ∼ 10¹⁶ cm⁻³. Experimental data, ...
  • Non-axisymmetric neoclassical transport from mis-alignment of equipotential and magnetic surfaces 
    Markl, M.; Heyn, M.F.; Kasilov, S.V.; Kernbichler, W.; Albert, C.G. (Problems of Atomic Science and Technology, 2022)
    Coefficients of neoclassical transport in tokamaks and stellarators with non-axisymmetric equipotential surfaces mis-aligned with magnetic flux surfaces are derived for the 1/ν regime. In the general case, they are given ...
  • Non-destructive control of PVD coating surface defects 
    Romaniuk, S.P.; Bilinska, M.S.; Taran, A.V.; Klochko, O.Yu.; Nowakowska-Langier, K.; Marchenko, A.K.; Deryabkina, E.S.; Nikolaychuk, G.P. (Problems of Atomic Science and Technology, 2022)
    Nanostructured ZrN coatings were deposited by the vacuum arc method with partial separation of the plasma flow from macroparticles using a curvilinear magnetic filter. With the proposed deposition parameters, a ZrN coating ...
  • On multiple distillation or crystallization refining at given yield 
    Kravchenko, A.I.; Datsenko, O.A. (Вопросы атомной науки и техники, 2022)
    A comparison is made of the Cₙ concentration of the impurity with a separation coefficient β < 1 in the product of n-fold refining by simple distillation or normal directed crystallization with the concentration of C₁ ...
  • On the possibility of determining environmentally safe NPP emissions using the radiation capacity of landscape components 
    Barbashev, S.V. (Problems of Atomic Science and Technology, 2022)
    Using the radiation capacity model of landscape components located in the zone of influence of the NPP and the results of the calculation of the radiation risk from human and terrestrial biota exposure, an approach was ...
  • Optimization of bremsstrahlung characteristics for irradiating thick objects 
    Rudychev, V.G.; Azarenkov, M.O.; Girka, I.O.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)
    The characteristics of bremsstrahlung (BS) irradiated at different angles from a three-layer converter made of Ta, water, and Fe, the electron energy is 7.5 MeV, was investigated. It is shown that Ta thickness increasing ...
  • Optimization of the bremsstrahlung converter 
    Rudychev, V.G.; Azarenkov, M.O.; Girka, I.O.; Lazurik, V.T.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)
    Variants of the formation of bremsstrahlung (BS) distributions along an extended converter, which ensures the maximum thickness of an object under two-sided and four-sided irradiation, are studied. For the target of the ...
  • ᵃʳᶜʰPbWO₄ with improved optical parameters from archaeological lead 
    Yakubovskaya, A.G.; Tupitsyna, I.A.; Dubovik, A.M. (Вопросы атомной науки и техники, 2022)
    Technological principles of manufacturing a lead tungstate crystal from archaeological lead for use in low-background experiments to search for rare events are presented. The influence of the conditions for obtaining single ...
  • Peculiarities of interaction of Cu-W composite materials with thermal arc discharge plasma 
    Murmantsev, A.; Veklich, A.; Boretskij, V.; Kleshych, M.; Fesenko, S.; Bartlova, M. (Problems of Atomic Science and Technology, 2022)
    This work is a part of acomplex investigation of the interaction of Cu-W composite materials with thermal electric arc discharge plasma. The plasma of 3.5 A DC arc discharge between novel Cu-W composite materials, fabricated ...
  • Peculiarities of the formation of a hardened layer during laser borinizing of piston rings 
    Hlushkova, D.B.; Ryzhkov, Y.V.; Kalinina, N.E.; Nosova, T.V. (Вопросы атомной науки и техники, 2022)
    Insufficient wear resistance of piston ring materials often limits the growth of machine productivity and service life. The use of traditional drilling methods associated with the diffusion of boron into the solid phase ...
  • Photonuclear production of ⁹⁹Mo/ ⁹⁹ᵐТс-generator with using effect Szilard-Chalmers and electrolysis method 
    Dikiy, N.P.; Layshko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Problems of Atomic Science and Technology, 2022)
    The possibility of photonuclear production of ⁹⁹Mo medical radioisotope using recoil nuclei of molybdenite nanoparticles from reaction ¹⁰⁰Mo(γ,n)⁹⁹Mo was investigated. The enrichment of radioactive isotopes is carried out ...
  • Photonuclear reactions cross-sections at energies up to 100 MeV for different experimental setups 
    Deiev, O.S.; Timchenko, I.S.; Olejnik, S.M.; Potin, S.M.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Bocharov, V.А.; Shramenko, B.I. (Problems of Atomic Science and Technology, 2022)
    In experiments on the electron linac LUE-40 of RDC “Accelerator” NSC KIPT, the flux-averaged cross-sections ⟨σ(Еγmax)⟩exp of photonuclear reactions ¹⁰⁰Mo(γ,n)⁹⁹Mo, ²⁷Al(γ,x)²⁴Na, ⁹³Nb(γ,n)⁹²ᵐNb, ⁹³Nb(γ,3n)⁹⁰Nb, and ...
  • Physical and chemical foundations of the extraction refining of natural uranium 
    Mukhachev, A.P.; Yelatontsev, D.O.; Kharitonova, O.A. (Вопросы атомной науки и техники, 2022)
    The paper presents the results of studies of the physicochemical processes of the extraction and nitric acid purification of uranium salts obtained by the method of precipitation of ammonium uranyl carbonate (AUC) from ore ...
  • Physical and chemical foundations of the technology for obtaining uranium oxides 
    Mukhachev, A.P.; Yelatontsev, D.O.; Kharitonova, O.A. (Вопросы атомной науки и техники, 2022)
    The article presents the results of industrial testing of processes for obtaining high-purity uranium compounds, including extraction, concentration, and purification of uranium from a mixture of nitric and phosphoric ...
  • Plasma and magnetic field dynamics in POS: pic simulations 
    Manuilenko, O.V.; Onishchenko, I.N.; Pashchenko, A.V.; Pashchenko, I.A.; Yuferov, V.B. (Problems of Atomic Science and Technology, 2022)
    2D3V particle in cell computer simulations for plasma, magnetic field and current density spatio-temporal dynamics in plasma opening switch (POS) are presented for various initial plasma densities. The current channel ...
  • Plasma guns of an erosion type with the pulse-periodic gas-metal injection 
    Vinnikov, D.V.; Katrechko, V.V.; Yuferov, V.B.; Tkachev, V.I. (Problems of Atomic Science and Technology, 2022)
    The design of the modular plasma guns of an erosion type that operate in the pulse-periodic mode has been described. The injection of the electrode and dielectric materials occurs due to the combination of many processes ...
  • Possible reasons for cracking of composite scintillators after irradiation in an electron accelerator at a high dose rate 
    Krech, A.V.; Boyarintsev, A.Yu.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Karavaeva, N.L.; Levchuk, L.G.; Popov, V.F. (Problems of Atomic Science and Technology, 2022)
    Possible reasons for cracking of composite scintillators after irradiation in an electron accelerator at a high dose rate are proposed. The main causes of cracking of composite scintillators, such as ionizing radiation and ...
  • Quadrupole lenses with permanent magnets 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Problems of Atomic Science and Technology, 2022)
    The paper presents an overview of up-to-date design and conception of permanent magnet quadrupole lense. The overview covers two classes of magnetic systems that used in the beam transport facilities of accelerators as ...
  • Radiation friction of relativistic charged particles moving in a periodic field 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2022)
    The motion of relativistic charged particles beam in an external periodic field is considered, taking into account the influence of incoherent fields produced by particles on this motion. On the basis of the dynamics of ...
  • Radiation hardness of polysiloxane-based scintillators 
    Zhmurin, P.М.; Yelisieiev, D.A.; Alekseev, V.D.; Yelisieieva, O.V.; Нurkalenko, Yu.О.; Popov, V.Ph. (Вопросы атомной науки и техники, 2022)
    Polysiloxane-based scintillators with different contant of aromatic chromophore groups have been obtained. 2,5-diphenyloxazole and its alkyl derivative were used as activators. The optical and scintillation properties of ...

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