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Жанр:Прикладные науки. Общие вопросы. Техника (technics_IT)
Результат поиска:
141-150 из 191
периодические издания(Журналы)
AISAGALIEV S.
Aisagaliev, S. Controllability and optimal speed-in-action of linear systems with boundary conditions [Text] / S. Aisagaliev, G. T. Korpebay // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 21-34. - Bibliogr.: 32 ISSN 2518-7929.
УДК:
517.968.2
Предметная рубрика
- Linear integral equations
Аннотация
The paper proposes a method for solving the problem of optimal performance for linear systems of ordinary differential equations in the presence of phase and integral restrictions, when the initial and final states of the system are elements of given convex closed sets, taking into account the control value restriction
Ключевые слова
optimal performance, integrity constraints, functional gradient, integral equation, linear systems
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MATIN D. T.
Matin, D. T. Compactness of Commutators for Riesz Potential on Local Morrey-type spaces [Text] / D. T. Matin, T. B. Akhazhanov , A. Adilkhanov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 93-103. - Bibliogr.: p. 100-101 ISSN 2518-7929.
УДК:
517.51
Предметная рубрика
- Functions of real variables. Valid functions
Аннотация
The paper considers Morrey-type local spaces from LMw p. The main work is the proof of the commutator compactness theorem for the Riesz potential [b, I] in local Morrey-type spaces from LMw1 p to LMw2 q
Ключевые слова
compactness, commutators, Riesz Potential, local Morrey-type spaces, functions
Казахстаника
0/0 Свободно
периодические издания(Журналы)
Технологии бетонов. Сухие стрительные смеси = Concrete Technologies. Dry plasters & Mortars [Текст] : информационный научно-технический журнал. – Москва : Композит XXI век, 2005 ; 2007. - – Выходит один раз в месяц. – ISSN 1813-9787 (Технологии бетонов). - ISSN 1996-8086 (Сухие стрительные смеси).
Аннотация
Освещает вопросы о перспективах развития производства и применения бетонов различных видов в современном строительстве, технологиях их производства и оборудовании, продвижении новых технологий на рынки стран СНГ и дальнего зарубежья; публикует результаты фундаментальных и прикладных исследований.
Номера
4/4 Свободно
периодические издания(Журналы)
SHAROV V. V.
Sharov, V. V. Change of structure and phase condition and properties of welds of high strength alloyed steel 30CHGSA [Text] / V. V. Sharov, M. K. Skakov , B. K. Uvaliev [and others] // Шығыстың аймақтық хабаршысы. - 2007. - № 1. - 8-14 р.. - Bibliogr.: 14 р.
ISSN 1683-1667.
УДК:
621.791.053
Предметная рубрика
- Weld seam
Аннотация
The article examines the change in the structural and phase state and properties of welds made of high-strength alloy steel 30СHGSA
Ключевые слова
technology of engineering materials , high-strength alloy steel, structure and phase, weld seam, welding, materials engineering, properties of welds
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SAGITOV А.
Sagitov, А. Calculation of multi-blade rotary-friction tool shaft for strength [Text] / А. Sagitov, К. Sherov , Т. Nasad [et al.] // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Техникалық ғылымдар және технологиялар сериясы. - 2023. - № 3 (144). - Р. 8-19. - Bibliogr.: p. 16 ISSN 2616-7263.
УДК:
62-1
Предметная рубрика
- Characteristics and details of machines, apparatus, installations, processes and products
Аннотация
This paper presents the results of the calculation of the most loaded node of the multi-blade rotary-friction tool of the part “shaft”
Ключевые слова
mechanical engineering, rotary-friction tool, cup cutter, shaft, rotary cutting, multi-blade rotary friction tool
Казахстаника
0/0 Свободно
периодические издания(Журналы)
NAZARBEK U. B.
Nazarbek, U. B. Chemical expression of the structure of humic substances in terms of complex compounds [Text] / U. B. Nazarbek, S. P. Nazarbekova , P. A. Abdurazova [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Химия және технология сериясы. - 2022. - № 1 (450). - P. 58-66. - Bibliogr.: p. 65-66 ISSN 2224-5286.
УДК:
66
Предметная рубрика
- Chemical technology. Chemical and related industries
Аннотация
For the first time it was proposed that during the chemical interaction of coal mining waste (Lenger deposit, Turkestan region) and 1% aqueous solution of sodium hydroxide at the first stage of the formation of humates occurs by the mechanism of formation of an active complex, which in composition and chemical structure is an internal complex organic compounds - complex chelates
Ключевые слова
humic substances, humates, extraction, complex compounds, coal mining waste, гуминді заттар, көмір өндірісінің қалдықтары, гуминовые вещества, отходы угледобычи
Казахстаника
0/0 Свободно
периодические издания(Журналы)
NIYAZBEKOVA A.
Niyazbekova, A. Corrosion and protection of ST-3 steel by inorganic inhibitorsin a model reservoir water solution [Text] / A. Niyazbekova, T. Shakirov , M. Almagambetova [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Химия және технология сериясы. - 2022. - № 1 (450). - P. 79-85. - Bibliogr.: p. 78 ISSN 2224-5286.
УДК:
620.193
Предметная рубрика
- Corrosion. Corrosion resistance
Аннотация
The effect of a number of inhibitors on the corrosion resistance of carbon steel in a model solution of produced water saturated with H2S was studied
Ключевые слова
corrosion, inhibitor, orthophosphates, degree of protection, depth index, oil, ингибитор, ортофосфаттар, фосфаты
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TEMIRKHANOVA A. M.
Temirkhanova, A. M. Criteria for the boundedness of a certain class of matrix operators from lpv into lqu [Text] / A. M. Temirkhanova, A. T. Beszhanova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 122-137. - Bibliogr.: p. 135-136 ISSN 2518-7929.
УДК:
517.98
Предметная рубрика
- Functional analysis and operator theory
Аннотация
This paper deals with the problem of boundedness of matrix operators from lpv into lqu for 1 < q < p < 1
Ключевые слова
matrix operator, conjugate operator, weight sequence, boundedness, weight inequalities, weight Lebesgue space, Oinarov’s condition, Hardy operator, Hardy inequality, matrix
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AKHAZHANOV T. B.
Akhazhanov, T. B. Coefficients of multiple Fourier-Haar series and variational modulus of continuity [Text] / T. B. Akhazhanov, N. А. Bokayev , D. T. Matin [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 21-29. - Bibliogr.: p. 26-27 ISSN 2518-7929.
УДК:
517.518.45
Предметная рубрика
- Fourier series
Аннотация
In this paper, the issue of the absolute convergence for multiple series composed of the Fourier-Haar coefficients of functions of several variables of bounded p-variation was studied
Ключевые слова
Fourier-Haar series, variational modulus of continuity, coefficients of multiple Fourier-Haar series, ряды Фурье-Хаара, Фурье-Хаар қатары
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ISAMETOVA M. E.
Isametova, M. E. Computer modeling and verification of mechanical properties of metal-polymer composite materials used in the technological process of layer-by-layer growing of partsused in the technological process of layer-by-layer growing [Text] / M. E. Isametova, B. N. Absadykov , B. B. Bazarbay [et al.] // Bulletin of L.N. Gumilyov Eurasian National University. Technical sciences and technology series. - 2022. - № 2 (139). - С. 72-85. - Bibliogr.: p. 82-83 ISSN 2616-7263.
УДК:
62
Предметная рубрика
- Engineering. Technology in general
Аннотация
The article presents the results of computer modeling of the microstructure of a composite material consisting of a polyamide matrix and metal inclusions
Ключевые слова
metal-polymer composite materials, computer modeling , layer-by-layer growing technology, material mechanical properties, injection molding, 3D printing, MIM technology
Казахстаника
0/0 Свободно
AISAGALIEV S.
CONTROLLABILITY AND OPTIMAL SPEED-IN-ACTION OF LINEAR SYSTEMS WITH BOUNDARY CONDITIONS
периодические издания(Журналы)
0/0 Свободно
MATIN D. T.
COMPACTNESS OF COMMUTATORS FOR RIESZ POTENTIAL ON LOCAL MORREY-TYPE SPACES
периодические издания(Журналы)
0/0 Свободно
ТЕХНОЛОГИИ БЕТОНОВ. СУХИЕ СТРИТЕЛЬНЫЕ СМЕСИ (2005 ; 2007)
периодические издания(Журналы)
4/4 Свободно
SHAROV V. V.
CHANGE OF STRUCTURE AND PHASE CONDITION AND PROPERTIES OF WELDS OF HIGH STRENGTH ALLOYED STEEL 30CHGSA
периодические издания(Журналы)
0/0 Свободно
SAGITOV А.
CALCULATION OF MULTI-BLADE ROTARY-FRICTION TOOL SHAFT FOR STRENGTH
периодические издания(Журналы)
0/0 Свободно
NAZARBEK U. B.
CHEMICAL EXPRESSION OF THE STRUCTURE OF HUMIC SUBSTANCES IN TERMS OF COMPLEX COMPOUNDS
периодические издания(Журналы)
0/0 Свободно
NIYAZBEKOVA A.
CORROSION AND PROTECTION OF ST-3 STEEL BY INORGANIC INHIBITORSIN A MODEL RESERVOIR WATER SOLUTION
периодические издания(Журналы)
0/0 Свободно
TEMIRKHANOVA A. M.
CRITERIA FOR THE BOUNDEDNESS OF A CERTAIN CLASS OF MATRIX OPERATORS FROM LPV INTO LQU
периодические издания(Журналы)
0/0 Свободно
AKHAZHANOV T. B.
COEFFICIENTS OF MULTIPLE FOURIER-HAAR SERIES AND VARIATIONAL MODULUS OF CONTINUITY
периодические издания(Журналы)
0/0 Свободно
ISAMETOVA M. E.
COMPUTER MODELING AND VERIFICATION OF MECHANICAL PROPERTIES OF METAL-POLYMER COMPOSITE MATERIALS USED IN THE TECHNOLOGICAL PROCESS OF LAYER-BY-LAYER GROWING OF PARTSUSED IN THE TECHNOLOGICAL PROCESS OF LAYER-BY-LAYER GROWING
периодические издания(Журналы)
0/0 Свободно