DSpace Home
→
Қарағанды Университетінің Хабаршысы=Вестник Карагандинского университета
→
Серия "Физика"
→
2020
→
1(97)/2020-Физика
→
Browsing 1(97)/2020-Физика by Issue Date

Browsing 1(97)/2020-Физика by Issue Date

Now showing items 1-15 of 15

On the design of some devices for localization and extinguishing wildfires of different intensities

Kasymov, D.; Galtseva, O. (KSU publ., 2020-01-30)

Topicality of the study of natural fires and techniques to control them is obvious. About 18 000 people in the Russian Federation lose annually their lives as a result of forest fires. Analysis is shown that forest fires ...
Computational fluid dynamics investigation of heat-exchangers for various air-cooling systems in poultry houses

Trokhaniak, V.I.; Rogovskii, I.L.; Titova, L.L.; Luzan, P.H.; Popyk, P.S.; Bannyi, O.O. (KSU publ., 2020-01-30)

The increase in the productivity of poultry plants is connected with the necessity to create the optimal controlled environment in poultry houses. This problem is of prime importance due to the decrease of poultry plant ...
Влияние легирования оловом, таллием и медью на квантовые подвижности дырок в монокристаллах теллурида сурьмы

Исмаилов, Ж.Т.; Кульбачинский, В.А. (Издательство КарГУ., 2020-01-30)

В статье приведены результаты вычислений квантовой подвижности дырок μq из экспериментальных данных по эффекту Шубникова–де Гааза (ШдГ) при T = 4,2 K в монокристаллах Sb2–xSnxTe3 (x = 0,0; 0,005; 0,0075; 0,01); Sb2–xTlxTe3 ...
Laboratory model of microwave hyperspectrometer for internal radiation researches of layered natural mediums

Ubaychin, A.V.; Surzhikov, A.P.; Starý, O.; Khassenov, A.K.; Karabekova, D.Zh. (KSU publ., 2020-01-30)

This paper describes an achieved result in designing of the four-receiver microwave hyperspectrometer based on zero measurement method and the multi-receiver concept of realization. The block diagrams of the microwave front-end ...
Features of the structure and properties formation of AMG6 alloy under the equal channel angular pressing

Rakhadilov, B.; Zhurerova, L.; Wieleba, W.; Sagdoldina, Zh.; Khassenov, A.K. (KSU publ., 2020-01-30)

The results of experimental studies of changes in the structure, microhardness, and wear resistance of the AMG6 aluminum alloy during equal channel angular pressing (ECAP) are presented in this work. The evolution of the ...
Development of means for experimental identification of navigator attention in ergatic systems of maritime transport

Nosov, P.S.; Palamarchuk, I.V.; Zinchenko, S.M.; Popovych, I.S.; Nahrybelnyi, Ya.A.; Nosova, H.V. (KSU publ., 2020-01-30)

The article discusses the issues of identification of models of analysis of the navigational situation by the navigator during the passage in narrow places and port areas; this is especially relevant in critical situations. As ...
Application of highly entropic coatings at simultaneous spraying of three cathodes in one cycle

Yurov, V.M.; Eremin, E.N.; Guchenko, S.A. (KSU publ., 2020-01-30)

In this work, we consider the application of highly entropic coatings while simultaneously sputtering three cathodes in a single cycle. The cathodes 12Cr15G9ND, Cu, Al were chosen as cathodes. The chemical composition of ...
The impact of non-vacuum electron beam treatment on the structure and properties of ultra-high molecular weight polyethylene

Sagdoldina, Zh.B.; Rakhadilov, B.K.; Akatan, К.; Kowalewski, P.; Karabekova, D.Zh. (KSU publ., 2020-01-30)

The results of work on the impact of electron beam treatment on the structure, mechanical properties, microhardness, and thermal stability of ultra-high molecular polyethylene (PE-UHMW) are presented in this work. Electron ...
Research lift coefficient on the distance between the revolving cylinders a turbulent stream

Tanasheva, N.K.; Dyusembaeva, A.N.; Shuyushbaeva, N.N. (KSU publ., 2020-01-30)

In this paper the possibilities of using a system of revolved cylinders as part of a wind turbine are considered. The aerodynamic forces in the cross-flow of a cylinder and a system of two cylinders have been measured. A ...
Laws of reflection and refraction of TE and TM polarization waves on the border of rhombic crystals

Tleukenov, S.K.; Balabekov, K.N.; Zhalgasbekova, Z.K. (KSU publ., 2020-01-30)

The article analytically solves the problem of reflection and refraction of electromagnetic plane waves of different polarization at the boundary of anisotropic half-spaces of rhombic symmetry. Based on the matrix method, ...
SERS substrates based on silver nanoparticles and graphene oxide

Dzhanabekova, R.Kh.; Ibrayev, N.Kh. (KSU publ., 2020-01-30)

Simple work methods for preparing active coatings for surface-enhanced Raman scattering (SERS) are demonstrated in the article. SERS active films of colloidal silver nanoparticles and composites based on graphene oxide ...
Double-channel resistance-to-voltage converter for cable teraohmmeters

Yermoshin, N.I.; Yakimov, E.V.; Goldshtein, A.E. (KSU publ., 2020-01-30)

The paper considers a teraohmmeter resistance converter to monitor cable insulation with an additional input amplifier that emits a low-frequency interference signal. Adaptive algorithms for a double-channel converter ...
Development of the mathematical model of light flux intensity sensor based on the photodiode and operational amplifier

Kucheruk, V.; Kulakov, P.; Moskvichova, Yu.; Gadzhula, N.; Kissabekova, P.; Kulakova, A.; Karabekova, D.; Khassenov, A. (KSU publ., 2020-01-30)

The article describes a method for interpolating the dependence of the photodiode relative spectral sensitivity on the optical radiation wavelength using a special function that provides interpolation of the experimenta ...
Investigation with using thermal analysis of gas evolution and sintering of nanopowders of zirconia prepared by sol-gel method

Sheveleva, E.; Shevelev, S.; Sokolovskiy, A.; Zeinidenov, A.K. (KSU publ., 2020-01-30)

Thermal and XRD analyses were used to study partially stabilized zirconia powders produced by sol-gel method in order to investigate gas evolution in annealing in air and densification behavior of these powders in compaction ...
The role of research tasks in teaching physics

Shuyushbayeva, N.N.; Kozhabayev, R.G.; Tanasheva, N.K.; Altayeva, G.S.; Stoev, M. (KSU publ., 2020-01-30)

The aim of the study is to prove the relevance of research tasks in teaching physics on the example of the «black box». The ability to use basic formulas, to know the units of measure and their ability to influence logical ...

Browsing 1(97)/2020-Физика by Issue Date

Browsing 1(97)/2020-Физика by Issue Date

Search DSpace

Browse

All of DSpace

This Collection

My Account