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Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
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141-150 of 193
periodical press (Magazines)
BOKAYEV N. A.
Bokayev, N. A. Cones generated by a generalized fractional maximal function [Text] / N. A. Bokayev // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 53-62. - Bibliogr.: p. 60-61 ISSN 2518-7929.
UDC:
517.51
Subject headings
- Functions of real variables. Valid functions
Annotation
The paper considers the space of generalized fractional-maximal function, constructed on the basis of a rearrangement-invariant space
Keywords
rearrangement-invariant spaces, non-increasing rearrangements of functions , covering of cones, cones, generalized fractional maximal function
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.968.2
Subject headings
- Linear integral equations
Annotation
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
Keywords
optimal performance, integrity constraints, functional gradient, integral equation, linear systems
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.51
Subject headings
- Functions of real variables. Valid functions
Annotation
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
Keywords
compactness, commutators, functions, Riesz Potential, local Morrey-type spaces
Kazakhstan
0/0 Free
periodical press (Magazines)
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).
Annotation
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.
Numbers
4/4 Free
periodical press (Magazines)
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.
UDC:
621.791.053
Subject headings
- Weld seam
Annotation
The article examines the change in the structural and phase state and properties of welds made of high-strength alloy steel 30СHGSA
Keywords
high-strength alloy steel, structure and phase, weld seam, welding, materials engineering, technology of engineering materials , properties of welds
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
62-1
Subject headings
- Characteristics and details of machines, apparatus, installations, processes and products
Annotation
This paper presents the results of the calculation of the most loaded node of the multi-blade rotary-friction tool of the part “shaft”
Keywords
mechanical engineering, rotary-friction tool, cup cutter, shaft, rotary cutting, multi-blade rotary friction tool
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
66
Subject headings
- Chemical technology. Chemical and related industries
Annotation
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
Keywords
humic substances, humates, extraction, complex compounds, coal mining waste, гуминді заттар, көмір өндірісінің қалдықтары, гуминовые вещества, отходы угледобычи
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
620.193
Subject headings
- Corrosion. Corrosion resistance
Annotation
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
Keywords
orthophosphates, degree of protection, depth index, oil, corrosion, inhibitor, ингибитор, ортофосфаттар, фосфаты
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.98
Subject headings
- Functional analysis and operator theory
Annotation
This paper deals with the problem of boundedness of matrix operators from lpv into lqu for 1 < q < p < 1
Keywords
matrix operator, conjugate operator, weight sequence, boundedness, weight inequalities, weight Lebesgue space, Oinarov’s condition, Hardy operator, Hardy inequality, matrix
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.518.45
Subject headings
- Fourier series
Annotation
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
Keywords
Fourier-Haar series, coefficients of multiple Fourier-Haar series, ряды Фурье-Хаара, Фурье-Хаар қатары, variational modulus of continuity
Kazakhstan
0/0 Free
periodical press (Magazines)
0/0 Free
AISAGALIEV S.
CONTROLLABILITY AND OPTIMAL SPEED-IN-ACTION OF LINEAR SYSTEMS WITH BOUNDARY CONDITIONS
periodical press (Magazines)
0/0 Free
MATIN D. T.
COMPACTNESS OF COMMUTATORS FOR RIESZ POTENTIAL ON LOCAL MORREY-TYPE SPACES
periodical press (Magazines)
0/0 Free
ТЕХНОЛОГИИ БЕТОНОВ. СУХИЕ СТРИТЕЛЬНЫЕ СМЕСИ (2005 ; 2007)
periodical press (Magazines)
4/4 Free
SHAROV V. V.
CHANGE OF STRUCTURE AND PHASE CONDITION AND PROPERTIES OF WELDS OF HIGH STRENGTH ALLOYED STEEL 30CHGSA
periodical press (Magazines)
0/0 Free
SAGITOV А.
CALCULATION OF MULTI-BLADE ROTARY-FRICTION TOOL SHAFT FOR STRENGTH
periodical press (Magazines)
0/0 Free
NAZARBEK U. B.
CHEMICAL EXPRESSION OF THE STRUCTURE OF HUMIC SUBSTANCES IN TERMS OF COMPLEX COMPOUNDS
periodical press (Magazines)
0/0 Free
NIYAZBEKOVA A.
CORROSION AND PROTECTION OF ST-3 STEEL BY INORGANIC INHIBITORSIN A MODEL RESERVOIR WATER SOLUTION
periodical press (Magazines)
0/0 Free
TEMIRKHANOVA A. M.
CRITERIA FOR THE BOUNDEDNESS OF A CERTAIN CLASS OF MATRIX OPERATORS FROM LPV INTO LQU
periodical press (Magazines)
0/0 Free
AKHAZHANOV T. B.
COEFFICIENTS OF MULTIPLE FOURIER-HAAR SERIES AND VARIATIONAL MODULUS OF CONTINUITY
periodical press (Magazines)
0/0 Free