• Absolute convergence of fourier series of superpositions of functions 

  Akishev, G.A. (Allerton Press, Inc., 2009-11)

  In this paper we establish conditions for the absolute convergence of series of Fourier coefficients with respect to a generalized Haar system of a superposition of two functions.
• Mathematical simulation of the hydrogenation of borodino coal 

  Akhmetkarimova, Zh.S.; Baikenov, M.I.; Dyusekenov, A.M. (Allerton Press, 2017-03)

  The kinetic and thermodynamic parameters of the hydrogenation of Borodino brown coal were calculated. With the use of equilibrium-kinetic analysis, the second-order reaction rate constants of forward and reverse reactions, ...
• Conformational space of 4,4′-methoxypropylstilbene molecule 

  Abulyaissova, L. K.; Kenzhetaeva, S. O.; Kasymova, M. S. (Pleiades Publishing, 2017-06)

  Quantum-chemical simulation of the ground state [the density function B3LYP/6-31G, B3LYP/6-31G(d), and B3LYP/6-31+G(d,p) and the perturbation theory MP2/6-31G(d) methods] and the transition states [the B3LYP/6-31G(d) method] ...
• New phosphorylated glycoluril derivatives 

  Sal’keeva, L. K.; Taishibekova, E. K.; Bakibaev, A. A.; Minaeva, E. V.; Makin, B. K.; Sugralina, L. M.; Sal’keeva, A. K. (Pleiades Publishing, 2017-03)

  The N-acylation of glycoluril with 1-haloacetyl halides was studied. The optimal conditions and reaction regioselectivity, as well as the effect of reagent molar ratios, base nature, temperature, and reaction time on the ...
• On electric-pulse well drilling and breaking of solids 

  Kusaiynov, K.; Nussupbekov, B. R.; Shuyushbayeva, N. N.; Tanasheva, N. K.; Shaimerdenova, K. M.; Khassenov, A. K. (Pleiades Publishing, 2017-06)

  Research work has been carried out to determine the power-efficient regime of operation of an electric-pulse setup for breaking and crushing natural stones. The optimal energy and geometrical parameters of the method ...
• Method for producing graphite and alumina thin films 

  Makhanov, K. M.; Ermaganbetov, K. T.; Chirkova, L. V.; Maukebaeva, M. A. (Pleiades Publishing, 2017-07)

  A simple comprehensible method for producing graphite and alumina films has been suggested. The optical properties of a graphite suspension in toluene and a suspension of natural clay with a high content of alumina particles ...
• Estimates for the Kolmogorov widths of the Nikol’skii–Besov–Amanov classes in the Lorentz space 

  Akishev, G. (Pleiades Publishing, 2017-04)

  The Lorentz space with anisotropic norm of periodic functions of several variables is considered. Estimates for the Kolmogorov widths of the Nikol’skii–Besov–Amanov classes in the Lorentz space with anisotropic norm are found.
• X-ray diffraction and thermodynamic characteristics for tellurite of the composition Li2CeTeO5 

  Rustembekov, K. T.; Bekturganova, A. Zh. (Pleiades Publishing, 2017-04)

  Tellurite of the composition Li2CeTeO5 is synthesized by solid-phase method from cerium(IV) and tellurium(IV) oxides and lithium carbonate. The type of syngony, the unit cell parameters, and the compound’s X-ray and ...
• Heat capacities and thermodynamic functions of new nanosized ferro-chromo-manganites LaM0.5 IIFeCrMnO6.5 (MII–Mg, Ca, Sr, Ba) 

  Kasenov, B. K.; Kasenova, Sh. B.; Sagintaeva, Zh. I.; Turtubaeva, M. O.; Kakenov, K. S.; Esenbaeva, G. A. (Pleiades Publishing, 2017-03)

  Abstract—The heat capacities of nanosized ferro-chromo-manganites (MII–Mg, Ca,Sr, Ba) are measured via dynamic calorimetry in the temperature range of 298.15–673 K using an IT-S-400 instrument. It is established that the ...
• Heat Capacity and Thermodynamic Functions of New Cobalt Manganites NdM CoMnO5 (MI = Li, Na, and K) in the Range of 298.15–673 K 

  Kasenov, B.K.; Turtubaeva, M.O.; Amerkhanova, Sh.K.; Nikolov, R.N.; Kasenova, Sh.B.; Sagintaeva, Zh.I. (Pleiades Publishing, 2017-02)

  Temperature dependences of the heat capacity of cobalt manganites NdM2 I CoMnO5 (MI = Li, Na, and K) are studied by means of dynamic calorimetry in the range of 298.15−673 K. It is found that λ-shaped effects are observed ...
• Influence of the morphology of ZnO nanostructures on luminescent and photovoltaic properties 

  Ibrayev, N.Kh.; Ilyassov, B.R.; Afanasyev, D.A. (Pleiades Publishing, 2017-03)

  Arrays of ZnO nanorods and nanoplates are synthesized by the hydrothermal and electrochemical methods, respectively. The photoluminescence spectra indicate that the nanoplates have a more defective structure than the ...
• The effect of orientation and distance between donor and acceptor molecules on the efficiency of singlet–singlet energy transfer in Langmuir–Blodgett films 

  Seliverstova, E.V.; Ibrayev, N.Kh. (Pleiades Publishing, 2017-02)

  Singlet–singlet energy transfer between molecules of fluorescein and oxazine dyes in Langmuir–Blodgett films is studied experimentally. The dependence of the energy-transfer efficiency on the distance shows that the quenching ...
• Calorimetric studies of LaM2NiMnO5 (M—Li, Na, K) nickelite-manganite heat capacity within the temperature range of 298.15–673 K 

  Bekturganova, A. Zh.; Kasenova, Sh. B.; Sagintaeva, Zh. I.; Kasenov, B. K.; Rustembekov, K. T.; Stoev, M. (Pleiades Publishing, 2017-05)

  By means of the calorimetric method, we investigate the LaM2NiMnO5 (M—Li, Na, K) nickelitemanganite heat capacities within the range of 298.15–673 K. For the studied compounds, within the stated temperature range, we reveal ...
• The Study of Kinetics of Diffusion and Phase Formation in the Layered Iron-Beryllium System 

  Kuterbekov, K. A.; Nurkenov, S. A.; Kislitsin, S. B.; Kuketayev, T. A.; Nurakhmetov, T. N. (Springer US, 2017-02)

  The methods of Mössbauer spectroscopy with X-ray phase analysis and Rutherford backscattering of protons were used to study the kinetics of diffusion and phase transformations in the layered iron-beryllium system. For the ...
• Influence of surface properties of the titanium dioxide porous films on the characteristics of solar cells 

  Serikov, T.M.; Ibrayev, N.Kh.; Nuraje,N.; Savilov, S.V.; Lunin, V.V. (Springer US, 2017-04)

  Porous films formed by cylindrical geometrically anisotropic fragments of TiO2 have been produced by electrochemical anodization of titanium. The specific surface area and pore volume of the samples were determined by the ...
• Constituent Composition and Biological Activity of CO2-Extracts of Scabiosa isetensis and S. ochroleuca 

  Zhunusova, M.A.; Suleimen, E.M.; Iskakova, Zh.B.; Ishmuratova, M.Y.; Abdullabekova, R.M. (Springer US, 2017-07)
• Stereoselective Synthesis of cis-Eudesmane Esters Based on (–)-α-Santonin 

  Merkhatuly, N.; Iskanderov, A. N.; Zhokizhanova, S. K.; Kezdikbaeva, A. T.; Ibraeva, A. K. (Springer US, 2017-05)
• Effect of coal tar on the properties of butadiene–nitrile rubbers 

  Sevost’yanova, K.A.; Omasheva, A.V.; Baikenov, M.I.; Tazhbaev, E.M. (Allerton Press, 2016-11)

  this tar as a plasticizer of rubber compounds. The replacement of bitumen by this tar as a rubber constituent in a weight ratio of 1:10 showed that the kinetics of vulcanization was noticeably accelerated and rubber ...
• On solvability of non-linear semi-periodic boundary-value problem for system of hyperbolic equations 

  Orumbaeva, N. T. (Allerton Press, 2016-09)

  We study a non-linear semi-periodic boundary-value problem for a system of hyperbolic equations with mixed derivative. At that, the semi-periodic boundary-value problem for a system of hyperbolic equations is reduced to ...
• Effect of glycoluril and its derivatives on the flame resistance and physico-mechanical properties of rubber 

  Sal’keeva, L. K.; Bakibaev, A. A.; Khasenova, G. T.; Taishibekova, Ye. K.; Sugralina, L. M.; Minaeva, Ye. V.; Sal’keeva, A. K. (Pleiades Publishing, 2016-01)

  The effect of bicyclic bisureas (glycolurils) and their derivatives functionalized with hydroxymethyl, halomethyl, and dimethoxyphoshorylmethyl groups on the flame resistance and physico-chemical properties of synthetic ...

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