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  • Features of the motion of charged particles in the field of the high-frequency impulse of large intensity 
    Buts, V.A.; Kuzmin, V.V. (Вопросы атомной науки и техники, 2005)
    The results of analytical and numerical examinations of features dynamic of charged particles in a field of intensive electromagnetic waves are reported. It is shown that the trajectories of particles, which has initially ...
  • Features of the occurrence and development of cracks in polycrystalline aluminum samples with different grain sizes 
    Badiyan, E.E.; Tonkopryad, A.G.; Shekhovtsov, O.V.; Shurinov, R.V. (Functional Materials, 2019)
    The results of the study of the regularities of the occurrence and development of cracks during plastic deformation of polycrystalline aluminum samples which contain only through grain boundaries (parquet structure) are ...
  • Features of the resources of the hard coal covering in thin coal-seams in Poland 
    Krowiak, A. (Розробка родовищ, 2013)
    The results of analyses of features of geological resources of the hard coal, in majority of mine located in Poland, were presented, according to adopted arbitrarily criteria. All active mines of the hard in the Silesia ...
  • Features of the spectra of nonlinear oscillators in regimes with dynamic chaos 
    Buts, V.А.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2018)
    It is shown that the dynamics of particles in the field of a wave packet, whose group velocity is zero, is almost always chaotic. Earlier we showed that in the field of a large number of cyclotron resonances, the higher ...
  • Features of the super prism effect in multilayer dielectric coatings 
    Pervak, Yu.A.; Onitchuk, V.M.; Pervak, V.Yu. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2008)
    We demonstrate that the strong change of reflected beam intensity in the spectral range of the super-prism effect not allow to use periodic multilayer coatings as effective wavelength division multiplexing devices. But ...
  • Features of the upgraded magnetic diagnostics application in the U-2M torsatron 
    Pashnev, V.K.; Petrushenya, A.A.; Sorokovoy, E.L.; Ozherel’ev, F.I. (Вопросы атомной науки и техники, 2019)
    Modernized magnetic sensor systems have been developed and tested to carry out the magnetic measurements on the U-2M torsatron. The effect of the metallic environment, high-frequency noise and the instability of the external ...
  • Features of three wave interaction in the magnetoactive plasma 
    Buts, V.A.; Koval’chuk, I.K. (Вопросы атомной науки и техники, 2015)
    The decay processes of waves propagating in the nonlinear gyrotropic media were investigated. It was shown that the dynamics of the process does essentially change if conditions for Faraday effect are realized. The most ...
  • Features of weakly nonlinear wave interaction 
    Buts, V.A.; Kovalchuk, I.K.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2019)
    Regular and stochastic dynamics of three wave interaction and dynamics of cascades of such three wave processes were investigated. It was shown that matrix elements of wave interaction are inversely proportional to square ...
  • Features of YAG crystals growth by the Czochralski method in Mo crucibles 
    Arhipov, P.; Tkachenko, S.; Vasyukov, S.; Biatov, M.; Sidletskiy, O.; Mateychenko, P.; Bryleva, E. (Functional Materials, 2014)
    Results on growth of Y₃Al₅O₁₂ (YAG) crystals by the Czochralski method in Mo crucibles in reducing and oxidizing atmosphere are presented. The ways to improve the growth technology for obtaining of high quality crystals ...
  • Fe-Co-Cu-оксидні каталізатори в реакції окиснення СО 
    Яцимирський, В.К.; Іщенко, О.В.; Гайдай, С.В. (Поверхность, 2004)
    Вивчено фізико-хімічні властивості і каталітичну активність Fe–Co–Cu-оксидних каталізаторів у реакції окиснення СО. Показано, що високій каталітичній активності цих матеріалів сприяє утворення структури Cu₂(OH)₃NO₃, поєднаної ...
  • Fe–C диаграмма и структуры жидких метастабильных и стабильных сплавов 
    Лучкин, В.С.; Тубольцев, Л.Г.; Корченко, В.П.; Поляков, В.Ф.; Семыкин, С.И.; Падун, Н.И.; Шевченко, А.М. (Фундаментальные и прикладные проблемы черной металлургии, 2010)
    С использованием модели жидкой элементарной ячейки приведена Fe-С диаграмма для жидкого состояния, с помощью которой можно качественно и количественно описать структуры метастабильной и стабильной жидкости. Показано, что ...
  • Fedir Mykolayovych Lyman (22.02.1941–13.06.2020) 
    Автор відсутній (Algebra and Discrete Mathematics, 2020)
    The famous Ukrainian mathematician and educator, Doctor of Physical and Mathematical Sciences, Professor Fedir Mykolayovych Lyman passed away on June 13, 2020 after a long illness.
  • Feedback effects between resonance surface and space harmonics of external perturbations in tokamak 
    Semenov, I.B.; Mirnov, S.V.; Fredrickson, E.D.; Voznesensky, V.A. (Вопросы атомной науки и техники, 2005)
    Resonant magnetic surfaces in a tokamak can amplify the spatial harmonics of external perturbations, which may come from other resonant surfaces, from error fields, or from a feedback system. The behavior of this active ...
  • Feedback Equivalence of 1-dimensional Control Systems of the 1-st Order 
    Lychagin, V.V. (2009)
    The problem of local feedback equivalence for 1-dimensional control systems of the 1-st order is considered. The algebra of differential invariants and criteria for the feedback equivalence for regular control systems are found.
  • Feedback linearizing field-oriented control of induction generator: theory and experiments 
    Peresada, S.; Kovbasa, S.; Korol, S.; Zhelinskyi, N. (Технічна електродинаміка, 2017)
    A novel field-oriented vector control for induction generators is presented. Design procedure is based on indirect field orientation concept and exploits output-feedback linearizing technique for voltage controller design. ...
  • Feeding ecology and time budgets of Сurlew Sandpiper and Dunlin during spring stopover in the Sivash, Ukraine 
    Khomenko, S.V.; Garmash, B.A.; Metzner, J.; Nickel, M. (Бранта: Cборник научных трудов Азово-Черноморской орнитологической станции, 1999)
    The study localities were Dzhankoi Bay and village Tselinnoe covered by parallel counts and observations over the period 1 to 27 May 1996. Bird distribution within study areas and their migration number dynamics were ...
  • Feeding Ecology of Curlew Sandpiper, Calidris ferruginea, During Spring Stopover in the Sivash Bay (Ukraine) 
    Khomenko, S.V. (2003)
    Краснозобики, Calidris ferruginea Pontoppidan, 1763, которые скапливаются в соленой части Сиваша, способны высокоэффективно использовать артемию (Artemia salina) в качестве основного корма. Доказывается, что птицы питаются ...
  • Fe(II)–Fe(III)-слоевые двойные гидроксиды (Green Rust) 
    Лавриненко, Е.Н. (Наноструктурное материаловедение, 2009)
    Во второй части статьи проведен обзор публикаций по процессам формированияFe(II)–Fe(III)-СДГ (слоевых двойных гидроксидов) в природных условиях. Особое внимание уделено исследованию структуры и свойств нового минерала ...
  • Fe(II)–Fe(III)-слоевые двойные гидроксиды (Green Rust). Часть 1. Химический и электрохимический синтез, роль микроорганизмов в процессах синтеза, структура 
    Лавриненко, Е.Н. (Наноструктурное материаловедение, 2009)
    В первой части данной статьи сделан обзор литературных источников, посвященных исследованию химических и электрохимических методов синтеза Fe(II)–Fe(III)-слоевых двойных гидроксидов (СДГ Green Rust) в лабораторных ...
  • F-electron spectral function of the Falicov-Kimball model and the Wiener-Hopf sum equation approach 
    Shvaika, A.M.; Freericks, J.K. (Condensed Matter Physics, 2008)
    We derive an alternative representation for the f-electron spectral function of the Falicov-Kimball model from the original one proposed by Brandt and Urbanek. In the new representation, all calculations are restricted to ...