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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:

  • O(1) delta part computation technique for the quadratic assignment problem 
    Podolsky, S.V.; Zorin, Yu.M. (Системні дослідження та інформаційні технології, 2015)
    The quadratic assignment problem is rightfully considered to be one of the most challenging problems of combinatorial optimization. Since this problem is NP-hard, the use of heuristic algorithms is the only way to find in ...
  • Object-Image Correspondence for Algebraic Curves under Projections 
    Burdis, J.M.; Kogan, I.A.; Hong, H. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)
    We present a novel algorithm for deciding whether a given planar curve is an image of a given spatial curve, obtained by a central or a parallel projection with unknown parameters. The motivation comes from the problem of ...
  • Objective technical monitoring of the condition of the sucker rod pumping unit 
    Lopatin, V.V. (Геотехнічна механіка, 2018)
    A four-view classification of the main methods for controlling a sucker rod pumping unit (SRPU) has been proposed. The essence of each control method of a SRPU is disclosed. Made their comparative analysis and opportunities. ...
  • Observability Analysis of Spacecrafts’ Attitude Measurement Systems 
    Gubarev, V.F.; Diadenkо, O.N. (Кибернетика и вычислительная техника, 2016)
    В работе проведен анализ наблюдаемости наиболее распространенных бортовых измерительных приборов космических аппаратов, а именно — магнитометра, построителя местной вертикали, астродатчика и датчиков угловых скоростей. ...
  • Observation and analysis of ULF data associated with Mb=4.5 Koyna-Warna (India) earthquake 
    Sharma, A.; Patil, A. (Геофизический журнал, 2010)
  • Observation of 1…20 kHz fluctuations in the Uragan-2M torsatron 
    Dreval, M.B.; Pavlichenko, R.O.; Shapoval, A.M.; Ozherelyev, F.I.; Mironov, Yu.K.; Romanov, V.S.; Makhov, M.M.; Zamanov, N.V.; Kulaga, A.E. (Вопросы атомной науки и техники, 2016)
    First observations of plasma fluctuations in the frequency range of 1…20 kHz in various plasma conditions of the URAGAN-2M (U-2M) torsatron are presented. Observed fluctuations of the Hα emissivity are coherent with the ...
  • Observation of acoustic turbulence in a system of nonlinear second sound waves in superfluid ⁴He 
    Ganshin, A.N.; Efimov, V.B.; Kolmakov, G.V.; McClintock, P.V.E.; Mezhov-Deglin, L.P. (Физика низких температур, 2008)
    We discuss the results of recent studies of acoustic turbulence in a system of nonlinear second sound waves in a high-quality resonator filled with superfluid ⁴He. It was found that, when the driving amplitude was ...
  • Observation of a multichannel interdigital H-structure 
    Gavrilov, N.M.; Bogachenkov, D.A.; Komarov, D.A.; Makeyev, A.E.; Strukov, Y.N. (Вопросы атомной науки и техники, 2006)
    The paper presents the experimental results together with their comparison with calculations. The relation between a bunch charge in accelerating channel and a variation of resonant wave-length at asymptotic alternating ...
  • Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂ 
    Naidyuk, Yu.G.; Nowack, A.; Ulbrich, E.; Freimuth, A.; Schlabitz, W.; Yanson, I.K.; Menovsky, A.A. (Физика низких температур, 1995)
    We have measured the dV/dI vs. V characteristics of point contacts between the heavy-fermion superconductor URu₂Si₂ and the conventional superconductors Zn and NbTi. Contacts between URu₂Si₂ and Zn behave like a ...
  • Observation of anisotropic effect of antiferromagnetic ordering on the superconducting gap in ErNi₂B₂C 
    Bobrov, N.L.; Chernobay, V.N.; Naidyuk, Yu.G.; Tyutrina, L.V.; Yanson, I.K.; Naugle, D.G.; Rathnayaka, K.D.D. (Физика низких температур, 2010)
    The point-contact spectra of the Andreev reflection dV / dI curves of the superconducting rare-earth nickel borocarbide ErNi₂B₂C (Tc≈11K) have been analyzed in the «one-gap» and «two-gap» approximations using the generalized ...
  • Observation of circularly polarized radiation from multimode undulator at HiSOR 
    Rybalchenko, G.V.; Morita, M.; Shirasawa, K.; Smolyakov, N.V.; Goto, K.; Hiraya, A. (Вопросы атомной науки и техники, 2001)
    The linear / helical multimode undulator that is able to produce polarized radiation of any ellipticity operates successfully in Hiroshima Synchrotron Radiation Center. Polarization measurements have been performed for ...
  • Observation of crystallization of amorphous solid water under the conditions of secondary emission mass spectrometric experiments 
    Kosevich, M.V.; Boryak, O.A.; Shelkovsky, V.S.; Orlov, V.V. (Физика низких температур, 2003)
    A phenomenon of termination of sputtering of protonated water clusters (H2O)nH⁺ in low-temperature secondary emission mass spectrometric studies of solid water was observed in the temperature range of crystallization of ...
  • Observation of dynamic maximum in a turbulent cascade on the surface of liquid hydrogen 
    Remizov, I.A.; Brazhnikov, M.Yu.; Levchenko, A.A. (Физика низких температур, 2016)
    We report on the experimental observation of energy accumulation near the high frequency boundary of the inertial range in the spectrum of turbulence in a system of capillary waves on the surface of liquid hydrogen driven ...
  • Observation of ground state of ⁴H in ³H(α,τt)n reaction 
    Gorpinich, O.K.; Povoroznyk, O.M.; Jachmenjov, O.O. (Вопросы атомной науки и техники, 2004)
    In kinematical complete investigation of ³H(α,τt)n reaction by using beam with Eα = 67.2 МеV and titan trituated target the ground state of ⁴Н was observed with Eg.s. = Ent = 3.22 ± 0.25 МеV and Г = 2.9 ± 1,1 МеV.
  • Observation of growth and structure of Kr films physisorbed on Ag(111) and Ag(100) 
    Aki Tosaka; Taro Mitake; Takashi Miura; Ichiro Arakawa (Физика низких температур, 2003)
    The structure and growth of two-dimensional crystals of Kr on Ag(111) and Ag(100) have been investigated by means of ellipsometry and eXtremely-low-current Low Energy Electron Diffraction (XLEED) under the quasi-equilibrium ...
  • Observation of maximum injection upper limit for energetic proton events according to SOHO/ERNE measurements 
    Allawi, H.; Al-Ramdhan, W.; Al-Sawad, A. (Advances in Astronomy and Space Physics, 2011)
    We analyzed 25 solar energetic particle events, with energies ∼ 1 − 100 MeV, observed with ERNE instrument onboard Solar and Heliospheric Observatory (SOHO) and found that all of the solar energetic particlse were associated ...
  • Observation of new magnetic ground state in frustrated quantum antiferromagnet spin-liquid system Cs₂CuCl₄ 
    Hyeong-Jin Kim; Haines, C.R.S.; Liu, C.; Sae Hwan Chun; Kee Hoon Kim; Yi, H.T.; Sang-Wook Cheong; Siddharth S. Saxena (Физика низких температур, 2017)
    Cs₂CuCl₄ is known to possess a quantum spin-liquid phase with antiferromagnetic interaction below 2.8 K. We report the observation of a new metastable magnetic phase of the triangular frustrated quantum spin system Cs₂CuCl₄ ...
  • Observation of parametric X-ray radiation excited by 50 GeV protons and identification of background radiation origin 
    Afonin, A.G.; Britvich, G.I.; Chesnokov, Yu.A.; Chirkov, P.N.; Durum, A.A.; Kostin, M.Yu.; Lutchev, A.V; Maisheev, V.A.; Yanovich, A.A.; Shchagin, A.V.; Truten’, V.I.; Ganenko, V.B.; Kirillin, I.V.; Shul’ga, N.F.; Kubankin, A.S.; Nasonov, N.N.; Potylitsyn, A.P.; Gogolev, A.S.; Uglov, S.R.; Cherepennikov, Yu.M.; Karataev, P. (Вопросы атомной науки и техники, 2013)
    The experimental layout designed to study properties of focused parametric X-ray radiation generated by relativistic protons in a bent crystal and parametric X-ray radiation generated by relativistic ions and positrons at ...
  • Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies 
    Konovalov, V.G.; Matsuoka, K.; Pavlichenko, O.S.; Shapoval, A.N.; Skibenko, A.I.; Suzuki, C. (Вопросы атомной науки и техники, 2002)
    Studies of plasma edge Ha emission fluctuations firstly proposed for CHS heliotron/torsatron have been performed for RF produced/heated plasma in “Uragan-3M” torsatron. Approach is based on a realistic assumption that Ha ...
  • Observation of relaxation of molecular spins in CH₄ and CD₄ crystals in thermal conductivity experiment 
    Pisarska, E.; Stachowiak, P..; Jeźowski, A. (Физика низких температур, 2007)
    The paper reports preliminary results on the kinetics of the molecular spin conversion in solid methane (CH₄) and deuterated methane (CD₄), obtained through thermal conductivity measurements in the temperature range 2–10 K.

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