Browsing 2019 №1(31) by Issue Date

Now showing items 1-20 of 22

Intermolecular interaction in liquid crystals

Agelmenev, M.E. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The analysis of possible mechanisms for the implementation of orientational ordering in the mesophase of liquid crystals has been carried out. It has been shown that benzene rings in the structure play a major role in the ...
Creation and development of the fundamental area "Fractal radiophysics and fractal radio electronics: development of fractal radio systems”. Part 1. Theory and main scientific prospects

Potapov, A.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

In the first part of the article, scientific prospects in new information technologies based on textures, fractals, fractional operators and nonlinear dynamics methods created and developed by the author during 40 years ...
The impact of the environment on the contact potential difference of metal machine parts

Yurov, V.M.; Oleshko, V.S. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

In the article are given results of studies of laser photoacoustic for determination of the thermophysical properties of materials by the microphone detection circuits. It has been shown that the photoacoustic method for ...
Modeling of a two-phase flow of liquid with small-size gas bubbles

Vasenin, I.M.; Narimanov, R.K.; Shrager, L.A.; Perchatkina, E.V. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The model of the motion of a gas-liquid medium with small-size bubbles in a gravity field following free and forced convection was proposed. The model automatically takes into account the processes causing free convection ...
The calculation of the heat transfer coefficient from the walls and pipes of thermal networks in the environment

Sabdenov, K.O.; Sakipov, K.Ye. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

A simple semi-analytical method for determining the heat transfer coefficient from cylindrical surfaces is proposed. The idea of the method is based on the representation of the heat wave and the self-similar nature of the ...
Quantum-chemical calculations of the structure and electron transitions of multimolecular films

Kopbalina, K.B.; Mazhenov, N.A.; Bimbetova, G.M. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

Dynamic and static quenching of fluorescence occurs upon contact interaction of oxygen molecules. Of the simplest models of the complex of oxygen and anthracene, a complex consisting of one molecule of oxygen and anthracene ...
The influence of the magnetic field on the currentvoltage characteristics of cupc nanostructures

Zavgorodniy, A.V.; Aimukhanov, A.K.; Zeinidenov, A.K.; Ayubekova, A.Ye. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The paper presents the results of a study of the role of spin states in the process of charge carrier transfer in copper phthalocyanine (CuPc) nanostructures. It is shown that the film obtained by thermal evaporation has ...
Laser photoacoustics method for determination of the coefficients of thermal conductivity and thermal diffusivity of materials

Merzadinova, G.T.; Sakipov, K.E.; Sharifov, D.M.; Mirzo, A.; Bekeshev, A.Z. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

In the article are given results of studies of laser photoacoustic for determination of the thermophysical properties of materials by the microphone detection circuits. It has been shown that the photoacoustic method for ...
System of heterogeneous data transmission on the basis of a self-regulation network with an option of retransmission

Narimanova, G.N.; Inkina, M.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The article discusses structural features of wireless data transmission technologies. Based on client-server architecture, a data transmission algorithm has been developed. This algorithm includes the possibility to ...
Creation and development of the fundamental area "Fractal radiophysics and fractal radio electronics: development of fractal radio systems”. Part 2. Selected results and perspective trends

Potapov, A.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

In the second part of the article, the main results on the creation of new information technologies based on textures, fractals, fractional operators and nonlinear dynamics methods obtained over 40 years by the author and ...
On calculation methods for the model of plates bending

Yessenbayeva, G.A.; Yesbayeva, D.N.; Makazhanova, T.Kh. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The article is devoted to the study of plate bending problems, which are of great applied importance and are found everywhere in various branches of science and technology. In this article the structure of the calculation ...
Investigation of photocatalytic activity of TiO2-GO nanocomposite

Zhumabekov, A.Zh.; Seliverstova, E.V.; Ibrayev, N.Kh. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

Nanocomposite based on graphene oxide and TiO2 was synthesized by hydrothermal method. The formation of nanocomposite was confirmed by Raman spectroscopy data. Characteristic peaks of graphene oxide and TiO2 were recorded. ...
Effect of inhomogeneous radially directed mechanical stresses on the domain structure of a FeBO3 single crystal

Sharipov, M.Z.; Mirzhonova, N.N.; Hayitov, D.E. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The effect of inhomogeneous radially directed mechanical stresses on the domain structure of a FeBO3 single crystal is studied by a magnetooptical method. It was found that in the magnetic field applied in the FeBO3 basal ...
Investigation of the model for the essentially loaded heat equation

Yesbayev, A.N.; Yessenbayeva, G.A.; Ramazanov, M.I. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The studied problem for the essentially loaded heat equation is connected with mathematical modeling of thermophysical processes in the electric arc of high-current disconnecting devices. Experimental studies of such ...
About high efficiency of two-rotor wind power unit Bidarrieus-2

Yershina, A.K.; Yershin, Sh.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The article discusses the design features of the wind turbine Bidarrieus-2 with an abnormally high wind power coefficient. The basic design of HBI-rotor of the turbine Bidarrieus-2 is shown. Due to the twin-rotor construction ...
Modeling aerodynamics of the wind turbine with rotating cylinders

Sakipova, S.E.; Tanasheva, N.K. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The paper considers the prospects for the development of alternative energy forms in Kazakhstan, in particular, wind energy. The article discusses the possibilities of using computer simulation of the aerodynamics of the ...
Application of a complete multi-network method for solving the problem of flows around sphere

Narimanov, R.K.; Narimanova, G.N. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

Using the example of a numerical solution of the classical problem of a viscous flow past a sphere, the efficiency of using the multigrid method was compared with direct calculations. Various difference schemes are considered. ...
Diffusive spectra of antistokes wing of photoluminescence of carbon nanostructures

Kumekov, S.E.; Saitova, N.K. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

In paper the photoluminescence radiation with a wavelength shorter than the wavelength of the exciting light that usually have been called anti-Stokes, is studied. These features of photoluminescence were observed previously ...
Hipochromic effect in riboflavin solutions

Astanov, S.Kh.; Sharipov, M.Z.; Kasimova, G.K. (Publ. House of the KarSU named after acad. E.A.Buketov, 2019-06-14)

The process of self-assembly of riboflavin molecules in aqueous and binary mixtures of solvents was investigated by a spectroscopic method. It was shown that the self-assembly of vitamin B2 molecules by the dipole-dipole ...
Study of the structure of amorphous carbon films modified with silicon oxide

Ryaguzov, A.P.; Kudabayeva, M.A.; Nemkayeva, R.R.; Guseinov, N.R; Myrzabekova, M.M. (Publ. House of the KarSU named after acad. E.A.Buketov, 2019-06-14)

This paper considers amorphous carbon films modified with silicon oxide (а-C1-x:(SiO)х),obtained by the method of magnetron ion-plasma co-sputtering of a combined target in an argon atmosphere. The topography and phase ...

Browsing 2019 №1(31) by Issue Date

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