Numerical research of characteristic mixing times of isothermal three-component steam-gas systems

Zhussanbayeva, A.K.; Mukamedenkyzy, V.; Kossov, V.N.; Akzholova, A.A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

Multicomponent diffusion in gases is characterized by a number of effects that are not observed in binary diffusion. Analysis of existing works shows that convective instability may occur in some systems with significan ...
The study of carbon nanomaterials by IR-Fourier spectroscopy, obtained by the action of an ultrasonic field on graphite

Baitimbetova, B.A.; Tolubayev, K.S.; Ryabikin, Yu.A.; Murzalinov, D.O.; Zhautikov, B.A.; Dairbekova, G.S. (Karagandy University of the name of acad. E.A. Buketov, 2022)

In this work, the absorption lines corresponding to nanomaterials (nanotubes, nanofibers, graphene), as well as vibrational spectra in the studied samples of graphene structures obtained by processing an ultrasonic field on ...
Influence of the environment on the morphology, optical and electrical characteristics of the PEDOT:PSS polymer

Rozhkova, X.S.; Aimukhanov, A.K.; Zeinidenov, A.K.; Alexeev, A.M. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The paper presents the results of studying the influence of the environment on the surface structure, optical and electrical characteristics of the PEDOT:PSS film. The studies have been carried out in three different ...
Longitudinal magnetoresistance of uniaxially deformed n-type silicon

Bigozha, O.D.; Seitmuratov, A.Zh.; Taimuratova, L.U.; Kazbekova, B.K.; Aimaganbetova, Z.K. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The study of Galvano-magnetic effects (as well as tensoeffects) in silicon under extreme conditions allows not only to identify the mechanisms of these effects but also to identify the possibility of creating gaussmeters, ...
Photocatalytic activity of zinc oxide – graphene oxide composites

Paltusheva, Zh.U.; Alpysbaiuly, N.; Kedruk, Y.Y.; Zhaidary, A.D.; Aitzhanov, M.B.; Gritsenko, L.V.; Abdullin, Kh.A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

Recently, the use of various dyes in the cellulose, textile, plastics and rubber industries has resulted in severe toxic and dye contamination of wastewater. These toxic dyes are not biodegradable and have a detrimental ...
Physical and Chemical Processes of Structure Formation of (BeO+TiO2)-Ceramics with the Addition of TiO2 Nanoparticles

Pavlov, A.V.; Sagdoldina, Zh.B.; Kassymov, A.B.; Magazov, N.M.; Kengesbekov, A.B. (Karagandy University of the name of acad. E.A. Buketov, 2022)

This paper describes in detail the solid-phase sintering mechanism of BeO ++ ceramics in the 1520–1550 °C temperature range. It is shown that the structural elements are formed due to the processes of pore disappearance ...
The impact of SnO2 photoelectrode’s thickness on photovoltaic properties of the solar cell FTO:SnO2:PTB7-TH:ITIC/Mo/Ag

Aimukhanov, A.K.; Seisembekova, T.E.; Zeinidenov, A.K.; Kambar, D.S. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The paper reports the results of a study of the morphological, optical and electrophysical parameters of SnO2 films. SnO2 films are applied by spin-coating at different revolutions of the centrifuge. The topography of ...
The investigation of a physical pendulum motion, which move along a horizontal axis

Lyashuk, O.; Serilko, L.; Hevko, I.; Serilko, D.; Lutsiv, I.; Vovk, Y.; Levkovich, M.; Tson, O. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The article presents a study of the physical pendulum, taking into account the force of friction in the kinematic pair, as a result of which oscillations are damped. Graphs of the dependence of the pendulum deflection angle ...
Influence of the size of iron nanoclusters on their magnetization

Kveglis, L.I.; Noskov, F.M.; Kalitova, A.A.; Nasibullin, R.T.; Nyavro, A.V.; Cherepanov, A.N.; Olekhnovich, A.E.; Saprykin, D.N. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The size of iron nanocrystals significantly affects the value of their magnetization. However, an adequate model of the structure of nanocrystalline formations comprising different numbers of iron atoms still does not exist. ...
Experimental Studies of Mechanical-Electrical Transformations during the Destructive Processes Developing in Dielectric Materials

Bespal’ko, A.A.; Utsyn, G.E.; Fedotov, P.I. (Karagandy University of the name of acad. E.A. Buketov, 2022)

A mechanical-electrical method for testing fractures developing within the stress-strain state changes of dielectric rock samples, as an example, is discussed here. The paper discusses the results of numerical and ...
Calculation of the electron-optical scheme of a new type mirror energy analyzer of charged particles

Kambarova, Zh.T.; Saulebekov, A.O.; Kopbalina, K.B. (Karagandy University of the name of acad. E.A. Buketov, 2022)

Further studies of the electron-optical properties of electrostatic multipole-cylindrical fields, synthesized from the fields of a cylindrical mirror and circular multipoles, are continued in the work. The implementation ...
Cosmography in the multifield cosmological model

Altayeva, G.S.; Razina, O.V.; Tsyba, P.Yu. (Karagandy University of the name of acad. E.A. Buketov, 2022)

This paper analyzes a cosmological model containing the fermion field, scalar field and vector field with Yukawa interaction. Such a model allows one to research the contribution of various types of matter to the dynamics of ...
Calcium phosphate coating formed on titanium scaffold by plasma electrolytic oxidation

Sagidugumar, A.N.; Dogadkin, D.S.; Azamatov, B.N.; Turlybekuly, A.; Rudenko, S.O. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The article provides the results of the preparation of calcium phosphate coatings by plasma electrolytic oxidation. Calcium phosphate coatings are formed on titanium scaffolds with a porous structure. Titanium scaffolds are ...
The use of a two-frequency eddy current method for measuring the electrically conductive wall thickness under significant variations in the test parameter and the lift-off

Goldshteyn, A.E.; Abakumov, Kh.Kh. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The paper addresses the problem of eddy current testing of the wall thickness of light-alloy drill pipes under significant variations in both the test and the influence parameter of the test object – the lift-off between ...
Phase transformations during the doping of zinc chloride and silver nitrate into calcium phosphates

Sagidugumar, A.N.; Turlybekuly, A.; Dogadkin, D.; Pogrebnjak, A.D.; Kantay, N.; Sadibekov, A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

This article shows the results of a study on a biocomposite material based on calcium phosphate doped with ZnCl and AgNO3. Calcium phosphates are mainly used in dentistry and orthopedics due to their excellent ...
Study of physical control methods for metric parameters of extended products in cable industry

Yarkimbaev, Sh.S.; Fedorov, E.M.; Redko, V.V.; Galtseva, O.V.; Jiang, X. (Karagandy University of the name of acad. E.A. Buketov, 2022)

The paper discusses the problems of electrical cables metric (geometric) parameters measurement. The methods of measuring the eccentricity of the electric cables (contact, ultrasonic, X-ray, and inductive-optical) ...

№2(106)/2022-Физика

№2(106)/2022-Физика

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