Browsing 2017 by Title

Now showing items 1-20 of 41

An induction period in the formation of the dissipative structures in solutions of anthraquinone

Karitskaya, S. G.; Ponomarev, S. (INST ADVANCED SCIENCE EXTENSION, PO BOX 23-31, TAIPEI, TAIWAN, 2017-05)

The purpose of the present work is to characterize the induction period in the kinetics of the formation of luminescent dissipative spatial temporal structures in solutions of anthraquinone. Such structures are formed under ...
Analyzers of charged particles flows with different functional capabilities

Saulebekov, A. O.; Kambarova, Zh. T. (IOP PUBLISHING LTD, 2017-09)

Parameters of instruments developed on the basis of previously calculated different electron-optical systems for the analysis of charged particle flows were considered in the present work. Recommendations for their application ...
Bioinspired study of energy and electron transfer in photovoltaic system

Moniruddin, M.; Ilyassov, B.; Seliverstova, E.; Shabdan, Y.; Bakranov, N.; Ibrayev, N.; Nuraje, N. (TAYLOR & FRANCIS LTD, 2017)

This study focuses on understanding the fundamentals of energy transfer and electron transport in photovoltaic devices with uniquely designed nanostructures by analysing energy transfer in purple photosynthetic bacteria ...
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. (2017)

By means of the calorimetric method, we investigate the LaM2NiMnO5 (M—Li, Na, K) nickelite-manganite heat capacities within the range of 298.15–673 K. For the studied compounds, within the stated temperature range, we ...
Conformational Space of 4,4'-Methoxypropylstilbene Molecule

Abulyaissova, L. K.; Kenzhetaeva, S. O.; Kasymova, M. S. (MAIK NAUKA/INTERPERIODICA/SPRINGER, 233 SPRING ST, NEW YORK, 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) ...
Conformational States and Crystal Structure of N-Formylcytisine

Turdybekov, K. M.; Kulakov, I. V.; Turdybekov, D. M.; Mahmutova, A. S. (Russian Journal of General Chemistry, 2017-10)

N-Formylcytisine has been synthesized and characterized using H-1 NMR spectroscopy. Two conformers of N-formylcytisine have been found to exist in the DMSO-d(6) solution. The structure of the most stable conformer has been ...
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.Yu.; Abdullabekova, R.M. (2017-07)
Effect of a rough surface on the aerodynamic characteristics of a two-bladed wind-powered engine with cylindrical blades

Tanasheva, N. K.; Kunakbaev, T. O.; Dyusembaeva, A. N.; Shuyushbayeva, N. N.; Damekova, S. K. (MAIK NAUKA/INTERPERIODICA/SPRINGER, 233 SPRING ST, NEW YORK, 2017-11)

We have reported the results of experiments on determining the drag coefficient and the thrust coefficient of a two-bladed wind-powered engine based on the Magnus effect with rotating rough cylinders in the range of air ...
Effect of ion irradiation on the surface energy of deposited coatings

Eremin, E. N.; Guchenko, S. A.; Kasymov, S. S.; Yurov, V. M.; Vedyashkin, M. V. (IOP PUBLISHING LTD, 2017-09)

We investigated multi-element coatings exposed to argon ion bombardment. The coatings were irradiated using a multi-ampere hollow-cathode ion source. The arc current was 1 A, and the potential of the substrate was maintained ...
Effect of the Conditions of Transfer on the Structure and Optical Properties of Langmuir Graphene Oxide Films during Deposition on a Substrate

Seliverstova, E.V.; Ibrayev, N.Kh.; Dzhanabekova, R.Kh. (Pleiades Publishing, 2017)

The effect the solvent and transfer pressure of graphene oxide (SLGO) Langmuir–Blodgett films on the physicochemical properties of monolayers, and on their structural and optical properties, is studied. Examination of the ...
Effect of ultraviolet and x-ray radiation on optical properties of epoxy polymers dyed with organic phosphors

Laurinas, V. Ch.; Kasymov, S. S.; Yurov, V. M.; Eremin, E. N.; Vedyashkin, M. V. (IOP PUBLISHING LTD, 2017-09)

Highly purified industrial bisphenol and cycloaliphatic epoxy oligomers of ED-24 and UP-612 brands were used to produce optically transparent products. UV radiation of a low-pressure mercury lamp with 80% of the light ...
Estimates for the Kolmogorov Widths of the Nikol’skii–Besov–Amanov Classes in the Lorentz Space

Akishev, G. (SPRINGER, 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.
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. (SPRINGER, 2017-03)

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 function ...
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, Z I. (Pleiades Publishing, 2017-02)

Temperature dependences of the heat capacity of cobalt manganites NdM 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-shapedeffects are observed on ...
Influence of annealing on optical and photovoltaic properties of nanostructured TiO2 films

Serikov, T. M.; Ibrayev, N.Kh.; Smagulov, Zh.Kh.; Kuterbekov, K. A. (IOP PUBLISHING LTD, 2017-09)

Spectral and kinetic characteristics of the photoluminescence of TiO2 films obtained from TiO2 nanoparticles and nanotubes were studied. Luminescence spectra typical for the TiO2 with anatase structure were observed under ...
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, 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 vol ume of the samples were determined by ...
Influence of tectonic disturbances on the parameters of excavation support with rock anchor

Dyomin, V. F.; Yavorsky, V. V.; Demina, T. V.; Baidikova, N. V.; Protsenko, A. V. (IOP PUBLISHING LTD, 2017)

The mechanism of deformation, movement and rockfalls in structurally disturbed nonuniform rock mass using analytical modeling operation for assessment of the strain-stress state (SSS) of the rock mass around mining has ...
Influence of the Morphology of ZnO Nanostructures on Luminescent and Photovoltaic Properties

Ibrayeva, N. Kh.; Ilyassov, B. R.; Afanasyev, D. A. (SPRINGER, 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 ...
Local electrical properties of PTB7 film

Yedrissov, A.; Alekseev, A.; Ilyassov, B. (ELSEVIER SCIENCE BV, 2017)

A study of the spreading of currents and current-voltage characteristics in a pure PTB7 thin film by atomic force microscopy (AFM) technique was carried out in order to investigate the processes of transport of positive ...
Luminescence of potassium sulphate crystals doped by Eu3+ ions

Koketai, T.; Tussupbekova, A.; Baltabekov, A.; Mussenova, E. (IOP PUBLISHING LTD, 2017-09)

This paper presents results of the study some spectral-luminescent properties of potassium sulphate crystals activated europium trivalent ions. The observed changes might be connected with the fact of crystals having ...

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