Electronic catalog
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Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
language:English
catalogue:Articles
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21-24 of 24
periodical press (Magazines)
QURESHI M. I.
Qureshi, M. I. A family of definite integrals involving Legendre’s polynomials [Text] / M. I. Qureshi, S. H. Malik , D. Ahmad // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 116-130. - Bibliogr.: p. 128-129 ISSN 2518-7929.
UDC:
517.586
Subject headings
- Legendre polynomials and functions
Annotation
The main objective of this article is to provide the analytical solutions (not previously found and not available in the literature) of some problems related with definite integrals integrands of which are the products of the derivatives of Legendre’s polynomials of first kind having different order
Keywords
Legendre polynomials, Rodrigues formula, Murphy formula for Legendre polynomial, Leibnitz generalized rule, integrals
Kazakhstan
0/0 Free
periodical press (Magazines)
KOSMAKOVA M. T.
Kosmakova, M. T. A fractionally loaded boundary value problem two-dimensional in the spatial variable [Text] / M. T. Kosmakova, K. A. Izhanova; L. Zh. Kasymova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 72-83. - Bibliogr.: p. 82-83 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In the paper, the boundary value problem for the loaded heat equation is solved, and the loaded term is represented as the Riemann-Liouville derivative with respect to the time variable
Keywords
loaded boundary value problem, heat equation, isotropy, Volterra integral equation, Laplace transformation
Kazakhstan
0/0 Free
periodical press (Magazines)
ISAMETOVA M.
Isametova, M. Application of rapid prototyping technology in pump engineering [Text] / M. Isametova, G. Abilezova , А. Duisengali [et al.] // Bulletin of L.N. Gumilyov Eurasian National University. Technical sciences and technology series. - 2023. - № 2 (143). - Р. 177-190. - Bibliogr.: p. 189-190 ISSN 2616-7263.
UDC:
681.136.32
Subject headings
- pumps
Annotation
The article presents the results of the use of rapid prototyping technology when modifying the impeller of a centrifugal pump in order to increase efficiency
Keywords
rapid prototyping technology, pump engineering, digital twins, 3D printers, centrifugal pump , everse engineering, centrifugal pump wheel
Kazakhstan
0/0 Free
periodical press (Magazines)
GUSEINOVA E. A.
Guseinova, E. A. Adsorption Purification of Used Industrial Oil Using Natural Aluminosilicates [Text] / E. A. Guseinova // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 162-170. - Bibliogr.: p. 169-170 ISSN 2518-718Х.
UDC:
665.662
Subject headings
- Physical cleaning methods
Annotation
The results of adsorption purification of used industrial oil in the presence of natural aluminosilicates, bentonite and mordenite, are discussed
Keywords
adsorption purification, waste industrial oil, bentonite, mordenite, degree of purification, IR- spectrum, structural group composition
Kazakhstan
0/0 Free
QURESHI M. I.
A FAMILY OF DEFINITE INTEGRALS INVOLVING LEGENDRE’S POLYNOMIALS
periodical press (Magazines)
0/0 Free
KOSMAKOVA M. T.
A FRACTIONALLY LOADED BOUNDARY VALUE PROBLEM TWO-DIMENSIONAL IN THE SPATIAL VARIABLE
periodical press (Magazines)
0/0 Free
ISAMETOVA M.
APPLICATION OF RAPID PROTOTYPING TECHNOLOGY IN PUMP ENGINEERING
periodical press (Magazines)
0/0 Free
GUSEINOVA E. A.
ADSORPTION PURIFICATION OF USED INDUSTRIAL OIL USING NATURAL ALUMINOSILICATES
periodical press (Magazines)
0/0 Free