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Перегляд Фізико-технічні та математичні науки за назвою

Репозиторій DSpace/Manakin

Перегляд Фізико-технічні та математичні науки за назвою

Сортувати за: Порядок: Результатів:

  • Lateral Torsional Buckling of an Eccentrically Loaded Channel Section Beam 
    Dahmani, L.; Drizi, S. (Проблемы прочности, 2015)
    Профили металлопроката находят широкое практическое применение в качестве балок. Однако в стандарте Еврокод 3 отсутствуют рекомендации по расчету балок из профилей металлопроката в условиях нагружения с эксцентриситетом, ...
  • Lateral Torsional Buckling Response of Steel Beam with Different Boundary Conditions and Loading 
    Dahmani, L.; Boudjcmia, A. (Проблемы прочности, 2014)
    Евростандарт EN 1993-1-1 описывает общий метод определения предельной нагрузки для стальных стержней при продольном изгибе с кручением. В методе учитываются кривые, описывающие потерю устойчивости при продольном изгибе. ...
  • Latest physics results of TJ-II flexible heliac 
    Castejón, F.; Alejaldre, C.; Alonso, J.; Almoguera, L.; Ascasíbar, E.; Baciero, A.; Balbín, R.; Blaumoser, M.; Botija, J.; Brañas, B.; de la Cal, E.; Cappa, A.; Carrasco, R.; Cepero, J.R.; Cremy, C.; Doncel, J.; Eguilior, S.; Estrada, T.; Fernández, A.; Fuentes, C.; García, A.; García-Cortés, I.; Guasp, J.; Herranz, J.; Hidalgo, C.; Jiménez, J.A.; Kirpitchev, I.; Krivenski, V.; Labrador, I.; Lapayese, F.; Likin, K.; Liniers, M.; López-Fraguas, A.; López-Sánchez, A.; de la Luna, E.; Martín, R.; Martínez-Laso, L.; Medrano, M.; Méndez, P.; McCarthy, K.J.; Medina, F.; van Milligen, B.; Ochando, M.; Pacios, L.; Pastor, I.; Pedrosa, M.A.; de la Peña, A.; Portas, A.; Qin, J.; Rodríguez-Rodrigo, L.; Salas, A.; Sánchez, E.; Sánchez, J.; Tabarés, F.; Tafalla, D.; Tribaldos, V.; Vega, J.; Zurro, B. (Вопросы атомной науки и техники, 2000)
    This paper is devoted to the presentation of the most relevant recent Physics results obtained in the TJ-II flexible heliac. Firstly ECRH modulation and plasma breakdown studies are summarised; then the particle control ...
  • Lattice distortion in hcp rare gas solids 
    Grechnev, A.; Tretyak, S.M.; Freiman, Yu.A. (Физика низких температур, 2010)
    The lattice distortion parameter δ≡c/a – √8/3 has been calculated as a function of molar volume for the hcp phases of He, Ar, Kr, and Xe. Results from both semi-empirical potentials and density functional theory are ...
  • Lattice distortion of quantum cryocrystals under pressure 
    Tretyak, S.M.; Antsygina, T.N.; Freiman, Yu.A. (Физика низких температур, 2006)
    The hcp lattice distortion parameter δ, the deviation of c/a ratio from the ideal hcp value √ 8/3 , have been calculated for solid He under pressure taking into account two- and three-body interatomic forces. The resulting ...
  • Lattice dynamics and phase transitions in Sn₂P₂S(Se)₆ ferroelectric crystals 
    Yevych, R.M.; Vysochanskii, Yu.M. (Condensed Matter Physics, 2006)
    Polarizable ion model was used in describing the lattice dynamics in the Sn₂P₂S₆ and Sn₂P₂Se₆ ferroelectric crystals and their solid solutions. There has been obtained a good agreement of the calculated phonon spectra ...
  • Lattice dynamics of a monoclinic CsH₂PO₄ crystal 
    Shchur, Ya.I.; Levitskii, R.R.; Vlokh, O.G.; Kityk, A.V.; Vysochansky, Y.M.; Grabar, A.A. (Condensed Matter Physics, 1999)
    The phonon dispersion relations in a CsH₂PO₄ crystal in a paraelectric phase by means of a rigid molecular-ion model are calculated. The phonon spectra in the quasi-harmonic approximation at various values of temperature ...
  • Lattice dynamics of cryocrystals at high pressure 
    Horbenko, E.E.; Troitskaya, E.P.; Chabanenko, Val.V. (Физика низких температур, 2007)
    The lattice dynamics of cryocrystals is investigated from first principles in the framework of the Tolpygo model over a wide range of pressures. The phonon frequencies in rare-gas solids are calculated in terms of models ...
  • Lattice Field Theory with the Sign Problem and the Maximum Entropy Method 
    Imachi, M.; Shinno, Y.; Yoneyama, H. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Although numerical simulation in lattice field theory is one of the most effective tools to study non-perturbative properties of field theories, it faces serious obstacles coming from the sign problem in some theories such ...
  • Lattice groups 
    Kurdachenko, L.A.; Yashchuk, V.S.; Subbotin, I.Ya. (Algebra and Discrete Mathematics, 2015)
    In this paper, we introduce some algebraic struc-ture associated with groups and lattices. This structure is a semi-group and it appeared as the result of our new approach to thefuzzy groups andL-fuzzy groups whereLis a ...
  • Lattice groups 
    Kurdachenko, L.A.; Yashchuk, V.S.; Subbotin, I.Y. (Algebra and Discrete Mathematics, 2015)
    In this paper, we introduce some algebraic structure associated with groups and lattices. This structure is a semigroup and it appeared as the result of our new approach to the fuzzy groups and L-fuzzy groups where L is a ...
  • Lattice Model of Intercalation 
    Mysakovych, T.S.; Krasnov, V.O.; Stasyuk, I.V. (2010)
    The thermodynamics of a lattice model of intercalation of ions in crystals is considered in the mean-field approximation (MFA). The pseudospin formalism is used for the description of the interaction of electrons with ions, ...
  • Lattice modes of solid nitrogen to 104 GPa 
    Olijnyk, H.; Jephcoat, A.P. (Физика низких температур, 2001)
    Lattice modes of solid nitrogen were studied by Raman spectroscopy at room temperature to 104 GPa using the diamond anvil technique. Changes in the lattice mode spectral features correlate with those observed in ...
  • Lattice of superconducting multilayer nanotubes as ideal high-temperature superconductor 
    Pokropivny, V.V.; Makarov, I. M.; Pokropivny, A.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    Combining Little's and Ginzburg's ideas with recent progress in nanotubes research, a novel type of material is advanced as a perspective high-Tc superconductor on base of a close-packed lattice of quasi-1D superconducting ...
  • Lattice rings: an interpretation of L-fuzzy rings as habitual algebraic structures 
    Kurdachenko, L.A.; Ya, I.; Yashchuk, V.S. (Algebra and Discrete Mathematics, 2017)
    In this paper, we introduce some algebraic structure associated with rings and lattices. It appeared as the result of our new approach to the fuzzy rings and L-fuzzy rings where L is a lattice. This approach allows us to ...
  • Lattices of classes of groupoids with one-sided quasigroup conditions 
    Galuszka, J. (Algebra and Discrete Mathematics, 2010)
    It is shown that two classes of groupoids satisfying certain one-sided quasigroup conditions, namely the classes of one-sided torsion groupoids and of one-sided finite exponent groupoids, are complete lattices, both ...
  • Lattices of partial sums 
    Chiaselotti, G.; Gentile, T.; Oliverio, P.A. (Algebra and Discrete Mathematics, 2014)
    In this paper we introduce and study a class of partially ordered sets that can be interpreted as partial sums of indeterminate real numbers. An important example of these partially ordered sets, is the classical Young ...
  • Lattices of topologies of algebraic systems 
    Arnautov, V.I.; Filippov, K.M. (Algebra and Discrete Mathematics, 2006)
    The article is based on the report, which was delivered on a plenary sitting on the 5th International Algebraic Conference in the Ukraine (Odessa, July, 2005) and is a survey of the results on the lattices of topologies ...
  • Laudation on the occasion of the 70th anniversary of Ivan Vakarchuk 
    Автор відсутній (Condensed Matter Physics, 2017)
    Ivan Vakarchuk, a leading Ukrainian physicist, Minister of Education and Science of Ukraine (2007– 2010), Rector of Ivan Franko National University of Lviv (1990–2007, 2010–2013) is celebrating his 70th anniversary on ...
  • Laurent Polynomials and Superintegrable Maps 
    Hone, A.N.W. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    This article is dedicated to the memory of Vadim Kuznetsov, and begins with some of the author's recollections of him. Thereafter, a brief review of Somos sequences is provided, with particular focus being made on the ...

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