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Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
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51-60 of 70
periodical press (Magazines)
APAKOV YU. P.
Apakov, Yu. P. On a boundary problem for the fourth order equation with the third derivative with respect to time [Text] / Yu. P. Apakov, D. M. Meliquzieva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4(112). - P. 30-40. - Bibliogr.: p. 36-37 ISSN 2518-7929.
UDC:
517.954
Subject headings
- Boundary value problems
Annotation
In this paper, a boundary value problem in a rectangular domain for a fourth-order homogeneous partial differential equation containing the third derivative with respect to time was considered
Keywords
Initial boundary problem, Fourier method, uniqueness, existence, eigenvalue, eigenfunction, functional series, Фурье әдісі, бастапқы-шеттік есеп, метод Фурье, начально-краевая задача
Kazakhstan
0/0 Free
periodical press (Magazines)
ATTAEV A. KH.
Attaev, A. Kh. On Some Non-local Boundary Value and Internal Boundary Value Problems for the String Oscillation Equation [Text] / A. Kh. Attaev // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 35-44. - Bibliogr.: p. 41-42 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
The work is devoted to the problem of setting new boundary and internal boundary value problems for hyperbolic equations
Keywords
Wave equation, general solution, Cauchy problem, Goursat problem, Darboux problem, problem with characteristic shift, problem with uncharacteristic displacement
Kazakhstan
0/0 Free
periodical press (Magazines)
TURGUMBAEV M. ZH.
Turgumbaev, M. Zh. On weighted integrability of the sum of series with monotone coefficients with respect to multiplicative systems [Text] / M. Zh. Turgumbaev, Z. R. Suleimenova , D. I. Tungushbaeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 160-168. - Bibliogr.: p. 166-167 ISSN 2518-7929.
UDC:
517.518.4
Subject headings
- Trigonometric series
Annotation
In this paper, the questions about the weighted integrability of the sum of series with respect to multiplicative systems with monotone coefficients have beeb considered
Keywords
multiplicative systems, decomposition, weighted integrability, sum of series, generator sequence, monotone coefficients, Hardy-Littlewood theorem, Lebesgue space
Kazakhstan
0/0 Free
periodical press (Magazines)
YESHKEYEV A. R.
Yeshkeyev, A. R. On Robinson spectrum of the semantic Jonsson quasivariety of unars [Text] / A. R. Yeshkeyev, A. R. Yarullina , S. M. Amanbekov [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 169-178. - Bibliogr.: p. 175-176 ISSN 2518-7929.
UDC:
517.547.56
Subject headings
- Algebraic systems
Annotation
Given article is devoted to the study of semantic Jonsson quasivariety of universal unars of signature containing only unary functional symbol
Keywords
Jonsson theory, unars, universal theory, Robinson theory, quasivariety, semantic Jonsson quasivariety, Jonsson spectrum, Robinson spectrum, equivalence class, cosemanticness
Kazakhstan
0/0 Free
periodical press (Magazines)
DEKHKONOV F. N.
Dekhkonov, F. N. On the time-optimal control problem for a heat equation [Text] / F. N. Dekhkonov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 28-38. - Bibliogr.: p. 36-38 ISSN 2518-7929.
UDC:
517.977
Subject headings
- Mathematical theory of management. Optimal management
Annotation
In this paper, the boundary control problem for a heat equation on the interval is considered
Keywords
heat equation, minimal time, admissible control, initial-boundary value problem, boundary control problem
Kazakhstan
0/0 Free
periodical press (Magazines)
KARIMOV E. T.
Karimov, E. T. On a boundary-value problem in a bounded domain for a time-fractional diffusion equation with the Prabhakar fractional derivative [Text] / E. T. Karimov, A. Hasanov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 39-46. - Bibliogr.: p. 44-45 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
The purpose of the article is to study a unique solvability of a boundary-value problem for a time-fractional diffusion equation involving the Prabhakar fractional derivative in a Caputo sense in a bounded domain
Keywords
Time-fractional diffusion equation, regularized Prabhakar fractional derivative, Mittag-Leffler type functions, fractional derivatives, integral equations
Kazakhstan
0/0 Free
periodical press (Magazines)
Oil & Gaz Journal Russia [Текст] : научный журнал. – Москва : Издательский дом Недра, 2006. - – Выходит один раз в месяц. – ISSN 1995-8137.
2/2 Free
periodical press (Magazines)
Oil & Gas Eurasia [Текст] : журнал. – Москва : Евразия Пресс, Инк, 2005. - – Выходит один раз в месяц. – ISSN 1812-2086.
Annotation
Промышленные технологии для инженеров и руководителей в России и СНГ.
Numbers
9/9 Free
periodical press (Magazines)
TULESHOV А. K.
Tuleshov, А. K. Optimal synthesis of planar linkages [Text] / А. K. Tuleshov, А. А. Jomartov , S. Ibrayev [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 1 (439). - P. 172-180. - Bibliogr.: p. 180 ISSN 2224-5278.
UDC:
621
Subject headings
- Mechanical engineering in general. Machinery
Annotation
This paper investigates the optimal synthesis of planar linkages. The main idea of this paper is to find the initial approximations based on the use of Burmester points for function generator linkages, path generator linkages, motion generator linkages
Keywords
planar linkages, initial approximations, Burmester points, synthesis, жазық иінтіректі механизмдер, Бурместер нүктесі, плоские рычажные механизмы, точки Бурместера
Kazakhstan
0/0 Free
periodical press (Magazines)
KAIRBEKOV ZH. K.
Kairbekov, Zh. K. Obtaining fuel products by combined hydrogenation of coal and shale [Text] / Zh. K. Kairbekov, R. G. Sarmurzina , M. Z. Esenalieva [et al.] // Вестник нефтегазовой отрасли Казахстана. - 2023. - № 4. - С. 83-91. - Bibliogr.: p. 88-90 ISSN 2707-4226.
UDC:
662.74
Subject headings
- Coal technology. Coke production
Annotation
This article is devoted to the study of the process of obtaining fuel products of co-hydrogenation of coal and shale
Keywords
coal, shale, thermocatalytic processing, hydrogenation, hydrogenation, product yield, gasoline fraction, diesel fraction
Kazakhstan
0/0 Free
APAKOV YU. P.
ON A BOUNDARY PROBLEM FOR THE FOURTH ORDER EQUATION WITH THE THIRD DERIVATIVE WITH RESPECT TO TIME
periodical press (Magazines)
0/0 Free
ATTAEV A. KH.
ON SOME NON-LOCAL BOUNDARY VALUE AND INTERNAL BOUNDARY VALUE PROBLEMS FOR THE STRING OSCILLATION EQUATION
periodical press (Magazines)
0/0 Free
TURGUMBAEV M. ZH.
ON WEIGHTED INTEGRABILITY OF THE SUM OF SERIES WITH MONOTONE COEFFICIENTS WITH RESPECT TO MULTIPLICATIVE SYSTEMS
periodical press (Magazines)
0/0 Free
YESHKEYEV A. R.
ON ROBINSON SPECTRUM OF THE SEMANTIC JONSSON QUASIVARIETY OF UNARS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
KARIMOV E. T.
ON A BOUNDARY-VALUE PROBLEM IN A BOUNDED DOMAIN FOR A TIME-FRACTIONAL DIFFUSION EQUATION WITH THE PRABHAKAR FRACTIONAL DERIVATIVE
periodical press (Magazines)
0/0 Free
OIL & GAZ JOURNAL RUSSIA (2006)
periodical press (Magazines)
2/2 Free
OIL & GAS EURASIA (2005)
periodical press (Magazines)
9/9 Free
periodical press (Magazines)
0/0 Free
KAIRBEKOV ZH. K.
OBTAINING FUEL PRODUCTS BY COMBINED HYDROGENATION OF COAL AND SHALE
periodical press (Magazines)
0/0 Free