Electronic catalog
catalogue:Articles
Search result:
90721-90730 of 93162
periodical press (Magazines)
SEISENBAYEVA G. S.
Seisenbayeva, G. S. Enhanced charge separation at the interface of Cu2O/CuSCN composite thin films synthesized by electrodeposition technique [Text] / G. S. Seisenbayeva, D. S. Kambar , A. V. Zavgorodniy [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 34-40. - Bibliogr.: p. 39 ISSN 2518-7198.
UDC:
535
Subject headings
- Optics
Annotation
This study focuses on the synthesis and characterization of hole transport layers (HTLs) for solar cells, particularly copper(I) thiocyanate (CuSCN) and cuprous oxide (Cu2O), synthesized via electrodeposition techniques
Keywords
solar cells, hole transport layers, electrodeposition, copper(I) thiocyanate, cuprous oxide, optimal synthesis conditions, photoelectric response, chare transport, электр тұндыру, электроосаждение
Kazakhstan
0/0 Free
periodical press (Magazines)
ЖУКЕНОВА Г. Б.
Жукенова , Г. Б. Стресс және студент өмірінде кездесетін стрестік жағдайлар [Мәтін] / Г. Б. Жукенова , Қ. Т. Қуанжанова // Қазақ бiлiм академиясының баяндамалары. - 2010. - № 2. - 75-78 б. - Библиогр.: 78 б. ISSN 2305-7831.
UDC:
159.9
Subject headings
- Психология
Annotation
Бұл мақалада стресс ұғымы, психикалық және физиологиялық стресстің жалпы белгілері және студенттік өмірдегі стресстік жағдайлар қарастырылған
Keywords
стресс , стресс формасы , аффективті күй, студеннттік кезең, психология
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In this paper a novel non-polynomial spline function to obtain the numerical solution of equation (1) for the first time
Keywords
Volterra integral equation, Fredholm integral equation, non-polynomial spline function, integral equations, linear equations
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
512
Subject headings
- Algebra
Annotation
The main result of this paper is considering normal Jonsson theories class by similarity to some fixed class of polygons (S-acts)
Keywords
perfect Jonsson theory, almost Jonsson set, Jonsson fragment, syntactic similarity, semantic similarity, Jonsson specrtum, cosemanticness, S-act, normal Jonsson theory, Jonsson set
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
533.9.01
Subject headings
- Plasma theory and physics
Annotation
This article focuses on the kinetic theory of inhomogeneous plasma and explores the interaction between a high-frequency electric field and weakly inhomogeneous plasma
Keywords
high-frequency properties, inhomogeneous plasma, kinetic equation, variable field, collision integral, біртексіз плазма, кинетикалық теңдеу, неоднородная плазма, кинетическое уравнение
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517
Subject headings
- Mathematical analysis
Annotation
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
Keywords
Jonsson theory, semantic model, perfect Jonsson theory, permissible enrichment, semantic pairs, existentially finite cover property, J-non-multidimensional theory, existentially closed model, J-stable theory
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.9
Subject headings
- Differential equations
Annotation
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
Keywords
singular perturbation, asymptotics, small parameter, boundary layer part, piecewise constant argument
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.9
Subject headings
- Differential equations
Annotation
This article investigates a fourth-order differential equation defined in a Hilbert space, with an unboundedintermediate coefficient and potential
Keywords
fourth-order differential equation, unbounded coefficient, coercive estimate, differential operators, differential equations
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
538.9:621.383
Subject headings
- Condensed matter physics. Photoelectronics
Annotation
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)
Keywords
Perovskite solar cells, hole transport layers, metalphthalocyanine, absorption spectra, photovoltaic properties, electrical impedance spectroscopy, ion migration, перовскитті күн батареялары, перовскитные солнечные элементы
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
535.37
Subject headings
- Luminescence
Annotation
The morphology of the surface, X-ray diffraction spectra and optical properties of ZnWO4 ceramics obtained by radiation synthesis were studied
Keywords
radiation synthesis, zinc tungstate, X-ray diffraction spectra, EDX analysis, power density, optical properties of ceramics, люминесценция, радиациялық cинтез, радиационный синтез
Kazakhstan
0/0 Free
SEISENBAYEVA G. S.
ENHANCED CHARGE SEPARATION AT THE INTERFACE OF CU2O/CUSCN COMPOSITE THIN FILMS SYNTHESIZED BY ELECTRODEPOSITION TECHNIQUE
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
SALIM S. H.
SOLVING VOLTERRA-FREDHOLM INTEGRAL EQUATIONS BY NON-POLYNOMIAL SPLINE FUNCTIONS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
KASSYMETOVA M. T.
MODEL-THEORETIC PROPERTIES OF J-NON-MULTIDIMENSIONAL THEORIES
periodical press (Magazines)
0/0 Free
MIRZAKULOVA A. E.
UNIFORM ASYMPTOTIC EXPANSION OF THE SOLUTION FOR THE INITIAL VALUEPROBLEM WITH A PIECEWISE CONSTANT ARGUMENT
periodical press (Magazines)
0/0 Free
MOLDAGALI YE. O.
CONDITIONS FOR MAXIMAL REGULARITY OF SOLUTIONS TO FOURTH-ORDER DIFFERENTIAL EQUATIONS
periodical press (Magazines)
0/0 Free
MUKAMETKALI T. M.
PHTHALOCYANINE AND METAL PHTHALOCYANINE ARE HOLE TRANSPORT BUFFER LAYERS FOR PEROVSKITE SOLAR CELL FABRICATION
periodical press (Magazines)
0/0 Free
ALPYSSOVA G. K.
OPTICAL PROPERTIES OF ZNWO4 CERAMICS OBTAINED BY RADIATION SYNTHESIS
periodical press (Magazines)
0/0 Free