Browsing 2018 by Issue Date

Now showing items 1-20 of 30

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 New York LLC, 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 ...
The struggle of the Soviet Government against famine and the increase of the homeless children in the Akmola Governorate in 1921-1923

Karsakova, G.B.; Saktaganova, Z.G.; Abuev, K.K.; Bukanova, R.G.; Mazhitova, Zh.S. (ACCB Publishing, 2018)

The article presents the consequences of the famine of 1921–1923, which affected many regions of the Kazakh Autonomous Soviet Socialist Republic (KASSR) and caused mass epidemics, having an impact on children. This article ...
Formation of (Cu)n & (Cu2O)n nanostructures with the stability of their clusters

Iskakova, K.; Akhmaltdinov, R.; Kuketaev, T. (AIMS Press, 2018)

We investigated the electronic structure and the properties of cupper (Cu) and compound semiconductor (Cu2O) by with the help of computer simulation of the programs developed by us and obtaining various morphologies and ...
On a Homogeneous Parabolic Problem in an Infinite Corner Domain

Jenaliyev, M.; Ramazanov, M. (University of Nis, 2018)

In addition to the trivial solution in the class of essentially bounded functions with a given weight for the Solonnikov-Fasano homogeneous parabolic problem in an infinite angular domain we establish the existence of ...
Synthesis of Al 2 O 3 /carbon composites from wastewater as superior adsorbents for Pb(II) and Cd(II) removal

Chen, H.; Luo, J.; Wang, X.; Zhao, Y.; Yang, C.; Baikenov, M.I.; Su, X. (Elsevier B.V., 2018)

Al2O3/carbon (Al2O3/C) composites obtained from the alkaline wastewater of oil refinery and acid wastewater of aluminum anodizing factory have been studied with the principle of “using waste to treat waste”. The process ...
Investigation of a crushing and grinding unit of an electropulse installation

Kurytnik, I. P.; Nussupbekov, B.R.; Karabekova, D.Zh.; Khassenov, A.K.; Kazhikenova, A.Sh. (Polish Academy of Sciences, 2018)

The paper proposes a new electropulse apparatus for processing natural raw materials. The temperature of the crushing-and-reducing assembly of an electropulse plant is found. The results of ore crushing are presented and ...
Bioavailability and structural study of 20-hydroxyecdysone complexes with cyclodextrins

Temirgaziyev, B.S.; Kučáková, K.; Baizhigit, Y. A.; Jurášek, M.; Džubák, P.; Hajdúch, M.; Dolenský, B.; Drašar, P.B.; Tuleuov, B.I.; Adekenov, S.M. (Elsevier Inc., 2018)

20-Hydroxyecdysterone – (2β,3β,5β,22R)-2,3,14,20,22,25-hexahydroxycholest-7-en-6-one was isolated in satisfactory yield using ethanol extraction from the aerial part of Silene wolgensis (Hornem.) Otth; sometimes Silene ...
Manganite synthesis by different methods

Mataev, M.M.; Saxena, S.; Patrin, G.S.; Tursinova, Zh. Y.; Kezdikbayeva, A.T.; Nurbekova, M.A.; Baitasheva, G.U. (Oriental Scientific Publishing Company, 2018)

Nanostructural dysprosium manganite doped with bismuth, synthesized by three methods: solid-phase, sol-gel and citrate-nitrate. The composition of the synthesized powders was compared to determine the optimal technique. ...
The influence of the distance between the donor-acceptor groups of polymethine dyes on their photovoltaic properties

Seliverstova, E.; Ibrayev, N. (Institute of Physics Publishing, 2018-01)

Spectral-luminescent and photovoltaic properties of polymethine dyes of various structures are studied. It is shown that an increase in the length of the methylene chain between the active chromophores leads to a red-wave ...
Influence of defects of nanostructured ZnO films on the photovoltaic characteristics of perovskite solar cells

Afanasyev, D.A.; Mirzoev, K.Yu.; Ibraуev, N.Kh. (Institute of Physics Publishing, 2018-01)

The influence of the defects in ZnO films on the electrical and photovoltaic properties of perovskite solar cells was investigated in the work. According to the results of the research it was established that the defects ...
The effect of the DSSC photoanode area based on TiO2/Ag on the conversion efficiency of solar energy into electrical energy

Ibrayev, N.; Serikov, T.; Zavgorodniy, A.; Sadykova, A. (Institute of Physics Publishing, 2018-01)

A module based on dye-sensitized solar cells with Ag/TiO2 structure was developed. It is shown that the addition of the core-shell structure to the semiconductor film of titanium dioxide, where the nanoparticle Ag serves ...
Estimation of resistance to destruction of multi-element coatings

Eremin, E.N.; Yurov, V.M.; Guchenko, S.A.; Laurynas, V.Ch. (2018-01)

It is proposed to experimentally determine the work of destruction of a coating by their surface tension. The surface tension of the coating is determined from the dimensional dependence of its microhardness. Comparison ...
Carbonized metal–organic frameworks nanorods as recyclable photocatalyst for visible light-induced water oxidation

Zhang, Min.; Luo, Jianmin.; Liang, Xiaoyu.; Yan, Baolin.; Baikenov, M.I.; Su, Xintai.; Chi, Le.; Yang, Chao. (Elsevier B.V., 2018-01)

Magnetic Fe2C nanorods were successfully synthesized by the carbonization of iron-based metal–organic framework (MOF) template and examined as photocatalyst for water oxidation reaction. An apparent turnover frequency (TOF) ...
Phylogenetic taxonomy of Artemisia L. species from Kazakhstan based on matK analyses

Turuspekov, Y.; Genievskaya, Y.; Baibulatova, A.; Zatybekov, A.; Kotuhov, Y.; Ishmuratova, M.; Imanbayeva, A.; Abugalieva, S. (De Gruyter Open Ltd, 2018-02)

The genus Artemisia is one of the largest of the Asteraceae family. It is abundant and diverse, with complex taxonomic relations. In order to expand the knowledge about the classification of Kazakhstan species and compare ...
Recent progress on perovskite materials in photovoltaic and water splitting applications

Moniruddin, M.; Ilyassov, B.; Zhao, X.; Smith, E.; Serikov, T.; Ibrayev, N.Kh.; Asmatulu, R.; Nuraje, N. (Elsevier Ltd, 2018-03)

Both inorganic and hybrid (organo-inorganic) perovskite materials are potential candidates as photocatalysts for use in both photovoltaic (PV) and photocatalytic water splitting applications. Currently, research has been ...
On Approximation Orders of Functions of Several Variables in the Lorentz Space

Akishev, G. (Pleiades Publishing, 2018-04)

We consider the anisotropic Lorentz space of periodic functions. Sufficient conditions are proved for a function to belong to the anisotropic Lorentz space. Estimates for the order of approximation by trigonometric ...
Decoration of wide bandgap semiconducting materials for enhancing photoelectrochemical efficiency of PEC systems

Bakranov, N.; Zhabaikhanov, A.; Kudaibergenov, S.; Ibraev, N. (Springer New York LLC, 2018-04)

The production of photoanodes based on wide-band gap materials such as TiO2 is economically viable because of the low cost of synthesis methods. Contrary to economic aspects, wide-band gap semiconductor materials have a ...
Minimal Cohomological Model of a Scalar Field on a Riemannian Manifold

Arkhipov, V.V. (Springer New York LLC, 2018-04)

Lagrangians of the field-theory model of a scalar field are considered as 4-forms on a Riemannian manifold. The model is constructed on the basis of the Hodge inner product, this latter being an analog of the scalar product ...
"Planetary linguistic personality" category and bi/polylinguistic modeling of the pedagogical process of higher school professional training: Sochi linguistic and rhetorical school

Vorozhbitova, A.A.; Marchenko, O.I.; Timofeyev, A.V.; Issina, G.I. (Academic Publishing House Researcher, 2018-04)

The article substantiates the synergistic concept of complex linguistic and rhetorical (L&R) training necessary for the high-quality professional training of a future specialist of any direction and profile of higher school ...
Creating comedy in satiric short stories by means of language tools

Aitbaeva, B.; Abduov, M.; Tuleubaeva, K.; Zhunusova, M.; Ametova, A. (Slovenska Vzdelavacia Obstaravacia, 2018-04)

This article describes semantic features of humorous literature. Thus, we have analyzed works written by Kazakh satirists. It was established that expressive-evaluative connotation involves information about the object ...

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Browsing 2018 by Issue Date

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