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  • V407 Cyg and RS Oph - comparison of two exotic variables 
    Drozd, K.; Swierczynski, E.; Ragan, E.; Buil, C. (Advances in Astronomy and Space Physics, 2013)
    V407 Cygni and RS Ophiuchi are two similar but unique objects. It can be said that they each belong to an individual type of stars. During their quiet state they seem to be symbiotic stars. However, both stars have previously ...
  • V407 Cygni - nova like outburst in symbiotic system 
    Drozd, K.; Swierczynski, E.; Ragan, E. (Advances in Astronomy and Space Physics, 2012)
    We presented spectroscopic and photometric observations of V407 Cygni obtained during 2006-2011. Our data shows the different activity stages connected with the two components of this symbiotic binary system. Cool giant ...
  • Vacancy Formation Energy for the Charged and Neutral States of TlGaSe₂ Crystal 
    Ismayilova, N.A.; Orudzhev G.S. (Металлофизика и новейшие технологии, 2017)
    Electronic band structure and defect formation energy of TlGaSe₂ are studied using density functional method within the Local Density Approximation.
  • Vacuum-arc equipment for ion-plasma deposition of coatings 
    Aksenov, I.I.; Belous, V.A. (Вопросы атомной науки и техники, 2000)
    A brief overview of NSC KIPT developments intended for creating the process equipment for vacuum-arc deposition of coatings is presented. The equipment devised is to be adapted to large-scale manufacture conditions and to ...
  • Vacuum arc plasma source with rectilinear filter for deposition of functional coatings 
    Aksenov, I.I.; Aksyonov, D.S. (Functional Materials, 2008)
    Design and operation principle of a novel vacuum-arc source of filtered erosive plasma are described. The macroparticles are removed from the plasma by transformation of radial plasma streams emitted by the cathode spot ...
  • Vacuum-arc plasma source with steered cathode spot 
    Aksyonov, D.S.; Aksenov, I.I.; Zadneprovsky, Yu.A.; Loboda, A.M.; Mel’nikov, S.V.; Shulayev, V.M. (Вопросы атомной науки и техники, 2008)
    The improved version of a vacuum arc plasma source with magnetic control of a cathode spot and focusing of plasma stream is described. The advanced structure of the cathode unit, the shortened anode and their swing joint ...
  • Vacuum Crack Growth Behavior of Austenitic Stainless Steel under Fatigue Loading 
    Takeda, T.; Shindo, Y.; Narita, F. (Проблемы прочности, 2011)
    Описаны закономерности роста усталостных трещин в аустенитной нержавеющей стали в вакууме. С целью учета влияния среды на рост усталостных трещин проведены испытания на циклическуютрещиностойкость компактных образцов на ...
  • Vacuum CVD coatings Ta on target W plate of neutrons source 
    Borts, B.V.; Neklyudov, I.M.; Polyakov, Yu.I.; Rudenky, S.G.; Lukirsky, Yu.V.; Vorobyov, I.A.; Lopata, А.А. (Вопросы атомной науки и техники, 2019)
    The paper presents data on the creation of a tungsten target, protected from corrosion under irradiation with a power of up to 100 kW. A protective coating of tantalum with a thickness of 250 µm was deposited on the surface ...
  • Vacuum Energy as Spectral Geometry 
    Fulling, S.A. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Quantum vacuum energy (Casimir energy) is reviewed for a mathematical audience as a topic in spectral theory. Then some one-dimensional systems are solved exactly, in terms of closed classical paths and periodic orbits. ...
  • Vacuum high-temperature refining of carbon materials using NaCl vapors as a transport and reaction medium 
    Kravtsov, Ya.V.; Gurin, I.V.; Bukolov, A.N.; Gribanov, Yu.A.; Kolosenko, V.V. (Вопросы атомной науки и техники, 2020)
    One of the main requirements to carbon materials is their purity. The authors have proposed and experimentally tested a new method for vacuum-thermal refining of carbon materials using NaCl vapor as an activator. It is ...
  • Vacuum method for creation of liquid crystal orienting microrelief 
    Kolomzarov, Yu.; Oleksenko, P.; Sorokin, V.; Tytarenko, P.; Zelinskyy, R. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2003)
    A mechanism for creation of microrelief surface anisotropy of amorphous films oxides materials which are obtained by oblique reactive cathode sputtering method is described. The influence of technological parameters of ...
  • Vacuum-plasma properties of stainless steel after impact of combined glow-microwave discharges in argon atmosphere 
    Glazunov, G.P.; Moiseenko, V.E.; Maznichenko, S.M.; Bondarenko, M.N.; Konotopskiy, A.L.; Tarasov, I.K.; Shapoval, A.N. (Вопросы атомной науки и техники, 2021)
    The experiments were carried out to determine the vacuum-plasma characteristics (mainly erosion and outgassing rate in a vacuum) of the stainless steel 12X18H10T before and after processing the walls of the vacuum chamber ...
  • Vacuum polarization in graphene with a topological defect 
    Sitenko, Yu.A.; Vlasii, N.D. (Физика низких температур, 2008)
    The influence of a topological defect in graphene on the ground state of electronic quasiparticle excitations is studied in the framework of the long-wavelength continuum model originating in the tightbinding approximation ...
  • Vacuum system of klystron repair facility for electron accelerators 
    Dronov, R.M.; Ivakhnenko, M.V.; Mats, V.O.; Titarenko, Yu.O.; Titov, V.Yu. (Вопросы атомной науки и техники, 2021)
    KIU-12AM “AVRORA” klystron has been the main source of rf power for the accelerators for decades. Large accumulations of malfunctioning klystrons made it possible to recycle them using the donor parts, which are well ...
  • Vademecum франкознавства [Легкий М. Проза Івана Франка: поетика, естетика, рецепція в критиці] 
    Микитюк, В. (Слово і Час, 2021)
    Рецензія на книгу: Легкий М. Проза Івана Франка: поетика, естетика, рецепція в критиці / ДУ «Інститут Івана Франка НАН України»; Львівський національний університет імені Івана Франка. Львів, 2021. 608 с.
  • Vadim Kuznetsov. Informal Biography by Eyes of His First Adviser 
    Komarov, I.V. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    The paper is dedicated to the memory of prominent theoretical physicist and mathematician Dr. Vadim Kuznetsov who worked, in particular, in the fields of the nonlinear dynamics, separation of variables, integrability theory, ...
  • Vadim Loktev's 70th birthday 
    Автор відсутній (Condensed Matter Physics, 2015)
    This year Vadim Loktev, a well-known scientist, prominent theoretical physicist, talented lecturer, organizer of scientific research and activity celebrates his 70th birthday.
  • Valence electron distribution in zirconium dodecaboride 
    Filippov, V.B.; Paderno, Yu.B.; Belogovskii, M.A.; Gusev, A.A.; Felner, I. (Functional Materials, 2006)
    First-principles calculations of the valence electron distribution in ZrB₁₂ have been performed by the modified Thomas-Fermi statistical method. The charge destiny maps for some planes across Zr and B atoms are presented ...
  • Valence fluctuations in Sn(Pb)₂P₂S₆ ferroelectrics 
    Yevych, R.; Haborets, V.; Medulych, M.; Molnar, A.; Kohutych, A.; Dziaugys, A.; Banys, Ju.; Vysochanskii, Yu. (Физика низких температур, 2016)
    The valence fluctuations which are related to the charge disproportionation of phosphorous ions P⁴⁺+P⁴⁺→P³⁺+P⁺⁵ are the origin of ferroelectric and quantum paraelectric states in Sn(Pb)₂P₂S₆ semiconductors. They involve ...
  • Valentin Peschansky and puzzles of magnetotransport 
    Slobodeniuk, A.O.; Sharapov, S.G.; Loktev, V.M. (Физика низких температур, 2011)
    We study two-dimensional electronic gas (2DEG) in the background of the Aharonov–Bohm and constant magnetic fields. The problem of ambiguity of the solutions of the Schrödinger equation is investigated by introducing a ...