Elektrondy katalog
Janr:Жаратылыстану ғылымдары (natural_sciences)
Nátejeler:
19611-19620 ız 22499
мерзімді басылым(Журналы)
SALIM S. H.
Salim, S. H. Solving Volterra-Fredholm integral equations by non-polynomial spline functions [Text] / S. H. Salim, K. H. F. Jwamer , R. K. Saeed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 170-184. - Bibliogr.: p. 183-184 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
In this paper a novel non-polynomial spline function to obtain the numerical solution of equation (1) for the first time
Kіlt sózder
Volterra integral equation, Fredholm integral equation, non-polynomial spline function, integral equations, linear equations
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
YESHKEYEV A. R.
Yeshkeyev, A. R. Double factorization of the Jonsson spectrum [Text] / A. R. Yeshkeyev, O. I. Ulbrikht , M. T. Omarova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 185-196. - Bibliogr.: p. 194-195 ISSN 2518-7929.
ÁOJ:
512
Taqyrypty aıdarlar
- Algebra
Ańdatpa
The main result of this paper is considering normal Jonsson theories class by similarity to some fixed class of polygons (S-acts)
Kіlt sózder
perfect Jonsson theory, normal Jonsson theory, Jonsson set, almost Jonsson set, Jonsson fragment, syntactic similarity, semantic similarity, Jonsson specrtum, cosemanticness, S-act
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
KOSHTYBAYEV T.
Koshtybayev, T. Correlation functions of weakly inhomogeneous plasma [Text] / T. Koshtybayev, M. Aliyeva // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 6-14. - Bibliogr.: p. 11-12 ISSN 2518-7198.
ÁOJ:
533.9.01
Taqyrypty aıdarlar
- Plasma theory and physics
Ańdatpa
This article focuses on the kinetic theory of inhomogeneous plasma and explores the interaction between a high-frequency electric field and weakly inhomogeneous plasma
Kіlt sózder
high-frequency properties, inhomogeneous plasma, kinetic equation, variable field, collision integral, біртексіз плазма, кинетикалық теңдеу, неоднородная плазма, кинетическое уравнение
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
KASSYMETOVA M. T.
Kassymetova, M. T. Model-theoretic properties of J-non-multidimensional theories [Text] / M. T. Kassymetova, G. E. Zhumabekova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 119-126. - Bibliogr.: p. 124-126 ISSN 2518-7929.
ÁOJ:
517
Taqyrypty aıdarlar
- Mathematical analysis
Ańdatpa
The issues of utilizing the central type to analyze the theoretical and model properties of the idea of heredity were examined in this research, taking into account both theories and the Jonsson spectrum
Kіlt sózder
Jonsson theory, semantic model, perfect Jonsson theory, permissible enrichment, existentially closed model, J-stable theory, semantic pairs, existentially finite cover property, J-non-multidimensional theory
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
MIRZAKULOVA A. E.
Mirzakulova, A. E. Uniform asymptotic expansion of the solution for the initial valueproblem with a piecewise constant argument [Text] / A. E. Mirzakulova, K. T. Konisbayeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 138-148. - Bibliogr.: p. 146-147 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
The article is devoted to the study of a singularly perturbed initial problem for a linear differential equation with a piecewise constant argument second-order for a small parameter
Kіlt sózder
singular perturbation, asymptotics, small parameter, boundary layer part, piecewise constant argument
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
MOLDAGALI YE. O.
Moldagali, Ye. O. Conditions for maximal regularity of solutions to fourth-order differential equations [Text] / Ye. O. Moldagali, K. N. Ospanov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 149-158. - Bibliogr.: p. 157-158 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
This article investigates a fourth-order differential equation defined in a Hilbert space, with an unboundedintermediate coefficient and potential
Kіlt sózder
fourth-order differential equation, unbounded coefficient, coercive estimate, differential operators, differential equations
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
MUKAMETKALI T. M.
Mukametkali, T. M. Phthalocyanine and metal phthalocyanine are hole transport buffer layers for perovskite solar cell fabrication [Text] / T. M. Mukametkali, A. K. Aimukhanov , A. K. Zeinidenov // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 41-50. - Bibliogr.: p. 48-49 ISSN 2518-7198.
ÁOJ:
538.9:621.383
Taqyrypty aıdarlar
- Condensed matter physics. Photoelectronics
Ańdatpa
In this study, adding an extra layer of phthalocyanine and its metal complexes between the perovskite and the hole-conducting MoOxlayer is proposed in order to enhance the efficiency and stability of perovskite solar cells (PSCs)
Kіlt sózder
Perovskite solar cells, hole transport layers, metalphthalocyanine, absorption spectra, photovoltaic properties, electrical impedance spectroscopy, ion migration, перовскитті күн батареялары, перовскитные солнечные элементы
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ALPYSSOVA G. K.
Alpyssova, G. K. Optical properties of ZnWO4 ceramics obtained by radiation synthesis [Text] / G. K. Alpyssova, D. A. Afanasyev , Zh. K. Bakiyeva [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 51-60. - Bibliogr.: p. 57-59 ISSN 2518-7198.
ÁOJ:
535.37
Taqyrypty aıdarlar
- Luminescence
Ańdatpa
The morphology of the surface, X-ray diffraction spectra and optical properties of ZnWO4 ceramics obtained by radiation synthesis were studied
Kіlt sózder
radiation synthesis, zinc tungstate, X-ray diffraction spectra, EDX analysis, power density, optical properties of ceramics, люминесценция, радиациялық cинтез, радиационный синтез
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BEALL G. W.
Beall, G. W. First-principles study of O3 molecule adsorption on pristine, N, Ga-doped and -Ga-N- co-doped graphene [Text] / G. W. Beall, D. S. Akhmetsadyk , A. M. Ilyin [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 15-24. - Bibliogr.: p. 21-23 ISSN 2518-7198.
ÁOJ:
538.915
Taqyrypty aıdarlar
- Electronic states and electronic structures
Ańdatpa
The adsorption of O3 molecules (ozone) on graphene, N-doped graphene, Ga-doped graphene, and -Ga-N- co-doped graphene with an emphasis on O3 detection was examined in this work
Kіlt sózder
graphene, O3 adsorption, density functional theory, N-doped graphene, Ga-doped graphene, -Ga-N- co-doped graphene, gas sensor, graphene-based sensors, графен
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
USKENBAEV D. E.
Uskenbaev, D. E. Critical current density of high-temperature superconducting ceramics BSCCO Bi-2223 [Text] / D. E. Uskenbaev, A. S. Nogai , A. D. Uskenbayev [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 61-70. - Bibliogr.: p. 68-69 ISSN 2518-7198.
ÁOJ:
538.945
Taqyrypty aıdarlar
- Superconductivity
Ańdatpa
In the paper, the results of the study on the synthesis of high-temperature superconducting ceramics of nominal composition Bi1.6Pb0.4Sr2Ca2Cu3Oy by various methods were presented based on amorphous phases using glass-ceramic technology and solid-phase method
Kіlt sózder
glass phase, microstructure, ceramics, IR radiation, diffractogram, crystallization, асқын өткізгіштік, сверхпроводимость
Qazaqstandуq
0/0 Bos
SALIM S. H.
SOLVING VOLTERRA-FREDHOLM INTEGRAL EQUATIONS BY NON-POLYNOMIAL SPLINE FUNCTIONS
мерзімді басылым(Журналы)
0/0 Bos
мерзімді басылым(Журналы)
0/0 Bos
KOSHTYBAYEV T.
CORRELATION FUNCTIONS OF WEAKLY INHOMOGENEOUS PLASMA
мерзімді басылым(Журналы)
0/0 Bos
KASSYMETOVA M. T.
MODEL-THEORETIC PROPERTIES OF J-NON-MULTIDIMENSIONAL THEORIES
мерзімді басылым(Журналы)
0/0 Bos
MIRZAKULOVA A. E.
UNIFORM ASYMPTOTIC EXPANSION OF THE SOLUTION FOR THE INITIAL VALUEPROBLEM WITH A PIECEWISE CONSTANT ARGUMENT
мерзімді басылым(Журналы)
0/0 Bos
MOLDAGALI YE. O.
CONDITIONS FOR MAXIMAL REGULARITY OF SOLUTIONS TO FOURTH-ORDER DIFFERENTIAL EQUATIONS
мерзімді басылым(Журналы)
0/0 Bos
MUKAMETKALI T. M.
PHTHALOCYANINE AND METAL PHTHALOCYANINE ARE HOLE TRANSPORT BUFFER LAYERS FOR PEROVSKITE SOLAR CELL FABRICATION
мерзімді басылым(Журналы)
0/0 Bos
ALPYSSOVA G. K.
OPTICAL PROPERTIES OF ZNWO4 CERAMICS OBTAINED BY RADIATION SYNTHESIS
мерзімді басылым(Журналы)
0/0 Bos
BEALL G. W.
FIRST-PRINCIPLES STUDY OF O3 MOLECULE ADSORPTION ON PRISTINE, N, GA-DOPED AND -GA-N- CO-DOPED GRAPHENE
мерзімді басылым(Журналы)
0/0 Bos
USKENBAEV D. E.
CRITICAL CURRENT DENSITY OF HIGH-TEMPERATURE SUPERCONDUCTING CERAMICS BSCCO BI-2223
мерзімді басылым(Журналы)
0/0 Bos