Browsing 2015 by Title

Browsing 2015 by Title

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  • A MECHANISM OF FORMATION OF RADICALS IN CRYSTAL KDP (KH2PO4) 
    Кoketai, T.; Тagayeva, B.; Тussupbekova, A.; Mussenova, E. (ELSEVIER SCIENCE BV, 2015)
    The mechanisms of formation of A-radicals in the crystal K2SO4. Calculations established that the excitation of oscillations on the O-H bond in the triplet excitons in the excited state leads to a situation vibronic ...
  • Biomimetic Cyclization of E,E-Germacranolide (+)-Hanphilline 
    Merkhatuly, N.; Abeuova, S.B.; Omarova, A.T.; Aldabergenova, S.K.; Balmagambetova, L.T. (SPRINGER, 2015-12)
  • Dependence of the Efficiency of Triplet-Triplet Energy Transfer on the Distance Between the Donor and Acceptor 
    Ibraev, N.Kh.; Seliverstova, E.V.; Artyukhov, V.Ya. (SPRINGER, 2015-01)
    The triplet-triplet and singlet-singlet energy transfer is investigated both experimentally and theoretically in the anthracene - Nile red system. Quantum-chemical investigations of the special features in the formation ...
  • DISINTEGRATION OF COPPER ORES BY ELECTRIC PULSES 
    Kurytnik, I; Nussupbekov, B. R.; Khassenov, A. K.; Karabekova, D. Z. (POLSKA AKAD NAUK, 2015)
    The article is concerned with methods of ragging and grinding of copper ore. The proposed electric pulse technology is one of the energetically favorable methods of ragging and grinding of natural minerals and anthropogenic ...
  • Effect of cations (Mg2+, Zn2+, Cd2+) on formation of the mineral phase in Ca(NO3) 2 -Mg(NO3) 2-Na2HPO4-H2O system 
    Golovanova, O.A.; Shlyapov, R.M.; Amerkhanova, Sh.K.; Uali, A.S.; Vlasov, V.A. (IOP PUBLISHING LTD, 2015)
    Synthesis of hydroxyapatite in the system Ca(NO3)2-Me(NO3)2-NaHPO4-H2O with pH in the range of 6-12.2 is performed, and hydroxyapatite of B-type is formed. The effect of magnesium, zinc and cadmium ions on the properties ...
  • Effect of electric pulse processing on physical and chemical properties of inorganic materials 
    Sakipova, S.E.; Nussupbekov, B.R.; Ospanova, D.; Khassenov, A.; Sakipova, Sh.E. (IOP PUBLISHING LTD, 2015)
    This article analyzes various aspects of the practical application of electric pulse technology of industrial raw materials processing as a result of a spark electric discharge in a liquid solution of the raw material ...
  • Effect of ion irradiation on tribological properties of composite coatings 
    Platonova, E.S.; Guchenko, S.A.; Syzdykova, A.Sh.; Laurinas, V.Ch.; Yurov, V.M.; Lysenko, E.N.; Mylnikova, T.S. (IOP PUBLISHING LTD, 2015)
    The paper discusses the results of the research in the effect of ion irradiation on tribological properties of multiphase ion-plasma coatings. It is shown that all the investigated coatings behave differently under ion ...
  • Effect of morphology of ZnO nanowire arrays on photovoltaic and electron transport properties of DSSC 
    Ilyassov, B.R.; Ibraev, N.Kh.; Abzhanova, D.B. (IOP Publishing, 2015)
    ZnO nanowire arrays were synthesized by hydrothermal method for 8, 10, and 12 hours. The array synthesized for 10h had the highest surface area and aspect ratio, and DSSC based on the 10h nanowire array revealed the best ...
  • Effect of morphology of ZnO nanowire arrays on photovoltaic and electron transport properties of DSSC 
    Ilyassov, B. R.; Ibraev, N. Kh.; Abzhanova, D. B. (ALLERTON PRESS INC, 2015-05)
    ZnO nanowire arrays were synthesized by hydrothermal method for 8, 10, and 12 hours. The array synthesized for 10h had the highest surface area and aspect ratio, and DSSC based on the 10h nanowire array revealed the best ...
  • Effect of new catalytic systems on the process of anthracene hydrogenation 
    Baikenov, M.I.; Baikenova, G.G.; Isabaev, A.S.; Tateeva, A.B.; Akhmetkarimova, Zh.S.; Tusipkhan, A.; Mataeva, A.Zh.; Esenbaeva, K.K. (ALLERTON PRESS INC, 2015-05)
    The hydrogenation of anthracene in the presence of the nanosized catalysts based on iron β FeOOH and Fe(OA)3 (OA refers to oleic acid) and the spherical catalysts NiO/SiO2 and Fe2O3/SiO2 obtained from ash and slag from ...
  • Effect of New Catalytic Systems on the Process of Anthracene Hydrogenation 
    Baikenov, M.I.; Baikenova, G.G.; Isabaev, A.S.; Tateeva, A.B.; Akhmetkarimova, Zh.S.; Tusipkhan, A.; Mataeva, A.Zh.; Esenbaeva, K.K. (ALLERTON PRESS INC, 2014-05-16)
    The hydrogenation of anthracene in the resence of the nanosized catalysts based on iron β FeOOH and Fe(OA)3 (OA refers to oleic acid) and the spherical catalysts NiO/SiO2 and Fe2O3/SiO2 obtained from ash and slag from ...
  • Efficiency of Measurements of Hepatitis C Virus RNA 
    Pogosyan, G. P.; Konovalova, A. A.; Protas, V. V.; Dodonova, A. Sh. (SPRINGER, 2015-12)
    Hepatitis C virus loading was evaluated using modifi cations of PCR product detection: terminal point fl uorescent detection, real time assay, and agarose gel electrophoresis. The advantages and fl aws of the real time PCR ...
  • Equilibrium Kinetic Analysis of a Model Mixture of Anthracene and Benzothiophene 
    Baikenov, M.I.; Tateeva, A.B.; Akhmetkarimova, Zh.S.; Tusipkhan, A.; Mataeva, A.Zh.; Esenbaeva, K.K. (Allerton Press, 2015)
    The kinetic and thermodynamic parameters of the hydrogenation of an anthracene–ben􀀀 zothiophene model mixture were calculated. The rate constants of forward and reverse reactions, the equilib􀀀 rium constant, the activation ...
  • Flow Past the Sail Blade of a Wind Turbine 
    Kusaiynov, K.; Kambarova, Zh. T.; Tanasheva, N. K.; Shaimerdenova, K. M.; Alibekova, A. R. (SPRINGER, 2015-03)
    An experiment to determine the aerodynamic characteristics of a wind turbine with sail blades was conducted on a model. The dependence of the drag and lift coeffi cients on the dimensionless angle of attack and the number ...
  • FRET-designeddye-sensitizedsolarcellstoenhance light harvesting 
    Ibrayev, N.; Seliverstova, E.; Nuraje, N.; Ishchenko, A. (ELSEVIER SCI LTD, 2015-03)
    Forster resonance energy transfer between the xanthene dye (donor of energy) and a new polymethine dye (acceptor of energy) was studied on the surface of TiO2 films in dye-sensitized solar cells. It was shown that the ...
  • Heat Capacities and Thermodynamic Functions of New Cobalt Manganites LaM2IICoMnO6 (MII—Mg, Ca, Sr, Ba) in the 298.15–673 K Temperature Range 
    Kasenov, B.K.; Turtubaeva, M.O.; Amerkhanova, Sh.K.; Kasenova, Sh.B.; Sagintaeva, Zh.I.; Kuanyshbekov, E.E.; Seisenova, A.A.; Smagulova, D.I. (Pleiades Publishing, 2015)
    Temperature dependences of the heat capacities of cobalt manganites LaM2 CoMnO6 (MII = Mg,Ca, Sr, Ba) are investigated by means of dynamic calorimetry in the temperature range of 298.15–673 K. It is established that cobalt ...
  • Heat Capacity and Thermodynamic Functions of Cerium Tellurites in the Range of 298.15–673 K 
    Rustembekov, K.T.; Dyusekeeva, A.T.; Fomin, V.N.; Makhatova, N.A. (RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2015-02)
    The isobaric heat capacity of cerium tellurites is studied in the range of 298.15–673 K and used as a basis for deriving dependences ~ f(T) and determining their thermodynamic functions. Dependences ~ f(T) are found to ...
  • Hierarchically assembled nanostructures and their photovoltaic properties 
    Ilyassov, B.; Ibrayev, N.Kh.; Nuraje, N. (ELSEVIER SCI LTD, 2015-12)
    In this study, the effect of morphology and defect density of ZnO nanostructures on photovoltaic performance and electron transport properties of Dye-sensitized solar cells (DSSCs) have been investigated by using highly ...
  • How "Pastoral' is Pastoralism? Dietary Diversity in Bronze Age Communities in the Central Kazakhstan Steppes 
    LIGHTFOOT, E.; MOTUZAITE-MATUZEVICIUTE, G.; O’CONNELL, T.C.; KUKUSHKIN, I.A.; LOMAN, V.; VARFOLOMEEV, V.; LIU, X.; JONES, M.K. (WILEY-BLACKWELL, 2015-07)
    Steppe communities have traditionally been viewed as pastoralist groups with similar herd-based economies. Recent scholarship, however, warns against assumptions of homogeneity and new scientific techniques are providing ...
  • Microstructural analysis of the positive electrode of electrohydraulic drill 
    Kusaiynov, K.; Shuyushbayeva, N. N.; Nusupbekov, B. R.; Turdybekov, K. M.; Shaimerdenova, K. M.; Akhmadiev, B. A. (MAIK NAUKA, 2015-12)
    We consider the changes and the quality of the surface of the electrode system of the drill after electrohydraulic pulsed treatment. Spectral analysis of the microstructure of melted regions of the drill electrode surface, ...

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