Browsing 2015 - Springer Link by Issue Date

Now showing items 1-17 of 17

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 US, 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 ...
Synthesis and study of new nitrogen-containing heterocycles based on glycoluril derivatives

Sal’keeva, L. K.; Röschenthaler, G. -V.; Bakibaev, A. A.; Voitiček, P.; Shibaeva, A. K.; Taishibekova, E. K.; Zhortarova, A. A.; Sugralina, L. M. (Pleiades Publishing, 2015-01)

Functionalization of some cyclic bisureas (glycolurils) and their methylol derivatives was investigated with the goal to obtain new azaheterocycles. The modification of tetra-N-methylglycoluril gave unknown before ...
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. (Pleiades Publishing, 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 ...
Nanocatalytic systems based on poly(ethylene glycol maleate)-acrylamide copolymers

Burkeev, M. Zh.; Kovaleva, A. K.; Tazhbaev, E. M.; Burkeeva, G. K.; Davrenbekov, S. Zh.; Kopbosynova, A. A.; Omasheva, A. V.; Mataev, M. M. (Pleiades Publishing, 2015-02)

The radical copolymerization of poly(ethylene glycol maleate) with acrylamide was performed for the first time to obtain 3D cross-linked polymers. The influence of temperature, pH of the medium, and organic solvents on the ...
Flow Past the Sail Blade of a Wind Turbine

Kusaiynov, K.; Kambarova, Zh. T.; Tanasheva, N. K.; Shaimerdenova, K. M.; Alibekova, A. R. (Springer US, 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 ...
Study of the Heat-Transfer Processes of Tubular Elements of Ground Heat Exchangers

Kusaiynov, K.; Shuyushbayeva, N. N.; Shaimerdenova, K. M.; Nurgalieva, Zh. G.; Omarov, N. N. (Springer US, 2015-05)

In this paper, consideration is given to the efficiency of utilization of the low-potential heat of the ground. Also, the advantages and distinctive features of polyethylene tubes used in vertical tubular elements of heat ...
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, 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 ...
Heat capacities and thermodynamic functions of new cobalt manganites LaM 2 II CoMnO6 (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, 2015-06)

Temperature dependences of the heat capacities of cobalt manganites LaM 2 II 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 ...
Photovoltaic properties of films of polyvinyl alcohol-xanthene dye composites

Afanas’ev, D. A.; Davidenko, N. A.; Davidenko, I. I.; Ibraev, N. SKh.; Mokrinskaya, E. V.; Studzinskii, S. L.; Pavlov, V. A.; Tonkopieva, L. S.; Chuprina, N. G. (Pleiades Publishing, 2015-07)

It has been found that films of polymer composites based on polyvinyl alcohol doped with a xan thene dye possess photovoltaic properties, and the photovoltaic response varies little at the dye concentration greater than ...
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, 2015-09)

The kinetic and thermodynamic parameters of the hydrogenation of an anthracene–benzothiophene model mixture were calculated. The rate constants of forward and reverse reactions, the equilibrium constant, the activation ...
Quantum chemical analysis of the molecular structure and vibrational spectrum of arglabin

Abulyaissova, L. K.; Adekenov, S. M. (Pleiades Publishing, 2015-09)

Results of a theoretical study of the molecular structure of arglabin are pesented. Quantum chemical calculations of the geometry and physicochemical characteristics of arglabin are performed by the semi-empirical PM6 ...
Histological Changes in Pancreatic Islets of Animals with Experimental Diabetes Caused by Xanthurenic Acid under Condition of Suppression of Its Endogenous Synthesis

Meyramov, G. G.; Kohnert, К.-D.; Kikimbaeva, A. A.; Аitkulov, A. M.; Кystaubaeva, Z. T.; Тykeshanova, G. M.; Dupont, O.-N.; Laryushina, E. M.; Меyramova, A. G.; Zhuzbaeva, G. O.; Коvalenko, O. L.; Shaybek, A. S. (Springer US, 2015-09)

Long-term administration of pyridoxine to rats kept on a diabetogenic diet stimulating endogenous synthesis of xanthurenic acid resulted in minimal glycemia, less pronounced decrease in insulin content in β-cells, and more ...
Stereoselective transformations of (–)-α-santonin in the course of alkaline transesterification

Merkhatuly, N.; Abeuova, S.B.; Iskanderov, A.N.; Omarova, A.T.; Toktarova, L.N. (Pleiades Publishing, 2015-11)
On a Volterra equation of the second kind with ‘incompressible’ kernel

Jenaliyev, M.; Amangaliyeva, M.; Kosmakova, M.; Ramazanov, M. (Springer International Publishing, 2015-12)

Solving the boundary value problems of the heat equation in noncylindrical domains degenerating at the initial moment leads to the necessity of research of the singular Volterra integral equations of the second kind, when ...
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. (Pleiades Publishing, 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, ...
Biomimetic cyclization of Е,Е-germacranolide (+)-hanphilline

Merkhatuly, N.; Abeuova, S.B.; Omarova, A.T.; Aldabergenova, S.K.; Balmagambetova, L.T. (Pleiades Publishing, 2015-12)
Efficiency of Measurements of Hepatitis C Virus RNA

Pogosyan, G. P.; Konovalova, A. A.; Protas, V. V.; Dodonova, A. Sh. (Springer US, 2015-12)

Hepatitis C virus loading was evaluated using modifications of PCR product detection: terminal point fluorescent detection, real time assay, and agarose gel electrophoresis. The advantages and flaws of the real time PCR ...

Browsing 2015 - Springer Link by Issue Date

Browsing 2015 - Springer Link by Issue Date

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