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Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
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131-140 of 150
periodical press (Magazines)
ISKANDAROV E. KH.
Iskandarov, E. Kh. Analytical and wave-depression methods of elimination of the onset of hydration in subsea gas pipelines [Text] / E. Kh. Iskandarov, Sh. A. Baghirov // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 4 (454). - P. 96-108. - Bibliogr.: p. 107-108 ISSN 2224-5278.
UDC:
622.691.4
Subject headings
- Pipeline transportation of natural gases. Gas pipelines
Annotation
The artocle is devoted to the operative determination of hydration in the process of transportation of natural by subsea gas pipeline and the analysis of methods for the elimination of hydrate already formed
Keywords
natural gases, gas hydrate, wave-depression method, subsea pipeline, indication of hydrate formation, blockage, methanol
Kazakhstan
0/0 Free
periodical press (Magazines)
HEZENCI F.
Hezenci, F. A remark on Schottky representations and Reidemeister torsion [Text] / F. Hezenci, Y. Sozen // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 81-93. - Bibliogr.: p. 91-92 ISSN 2518-7929.
UDC:
515.1
Subject headings
- Topology
Annotation
The present paper establishes a formula of Reidemeister torsion for Schottky representations
Keywords
Schottky representation, Reidemeister torsion, representation varieties, Atiyah-Bott-Goldman symplectic form, Thurston symplectic form
Kazakhstan
0/0 Free
periodical press (Magazines)
MARDANOV M. J.
Mardanov, M. J. An optimal control problem for the systems with integral boundary conditions [Text] / M. J. Mardanov, Y. A. Sharifov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 119-121. - Bibliogr.: p. 119-121 ISSN 2518-7929.
UDC:
517.97
Subject headings
- Calculus of variations and the mathematical theory of optimal control
Annotation
In this paper, an optimal control problem with a "pure", integral boundary condition is considered. The Green’s function is constructed
Keywords
integral boundary conditions, integral conditions, nonlinear boundary, singular control, optimal control problem
Kazakhstan
0/0 Free
periodical press (Magazines)
ADIGUZEL H.
Adiguzel, H. Asymptotic behavior of solutions of sum-difference equations [Text] / H. Adiguzel, E. Can // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 14-23. - Bibliogr.: p. 20-21 ISSN 2518-7929.
UDC:
517.929
Subject headings
- Difference equations
Annotation
In this paper, a study of the asymptotic behavior of solutions of sum-difference equations was presented
Keywords
asymptotic behavior, oscillation, nonoscillation, difference equations, Caputo fractional difference operator
Kazakhstan
0/0 Free
periodical press (Magazines)
Aviation Week & Space Technology [Text] : magazine / Informa. – New York ; Washington : Aviation Week Network, 1916. - – Published twice a month. – ISSN 0005-2175.
Annotation
Peporting on the aerospace, defense and aviation industries, with a core focus on aerospace technology. The magazine was first published in August 1916. Former titles the magazine has held include Aviation & Aircraft Journal (1920–1921), Aviation (1922–1947), Aviation Week (1947–1958), Aviation Week Including Space Technology (1958–1959).
Numbers
Previous title
- Aviation & Aircraft Journal
- Aviation
- Aviation Week
- Aviation Week Including Space Technology
23/23 Free
Numbers per year
- № 25 / 20.12
- № 24 / 6.12 - 19.12
- № 23 / 22.11 - 5.12
- № 22 / 8.11 - 21.11
- № 21 / 25.10 - 7.11
- № 20 / 11.10 - 24.10
- № 19 / 27.09 - 10.10
- № 18 / 13.09 - 26.09
- № 17 / 30.08 - 12.09
- № 16 / 9.08 - 29.08
- № 15 / 26.07 - 8.08
- № 14 / 12.07 - 25.07
- № 13 / 28.06 - 11.07
- № 12 / 14.06 - 27.06
- № 11 / 31.05 - 13.06
- № 10 / 17.05 - 30.05
- № 9 / 3.05 - 16.05
- № 8 / 19.04 - 2.05
- № 7 / 5.04 - 18.04
- № 6 / 22.03 - 4.04
- № 4 / 22.02 - 7.03
- № 3 / 8.02 - 21.02
- № 2 / 25.01 - 7.02
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)
ULBRIKHT O. I.
Ulbrikht, O. I. A fragment of a theoretical set and its strongly minimal central type [Text] / O. I. Ulbrikht, N. V. Popova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 152-164. - Bibliogr.: p. 159-161 ISSN 2518-7929.
UDC:
510.6
Subject headings
- Mathematical logic
Annotation
The paper defines a new class of algebras, the theory of which is a special case of Jonsson theories
Keywords
Jonsson theory, existentially closed model, algebraically closed model, cosemanticness, Robinson spectrum, Robinson hereditary variety, central type, Jonsson fragment, theoretical set, strongly minimal type
Kazakhstan
0/0 Free
periodical press (Magazines)
PARVATHY C. R.
Parvathy, C. R. A study on new classes of binary soft sets in topological rough approximation space [Text] / C. R. Parvathy, A. Sofia // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 79-94. - Bibliogr.: p. 92-93 ISSN 2518-7929.
UDC:
515.122
Subject headings
- Topological spaces
Annotation
Approximation operators are defined and the characteristics of the proposed sets are studied with examples
Keywords
Soft set, rough set, simply open, approximation space, topological space, жұмсақ жиын, топологиялық кеңістік, мягкое множество, аппроксимационное пространство
Kazakhstan
0/0 Free
abstract
MӘMMӘDOVA AYGÜN VAHID GIZI
Abşeron yarımadasınin pliosen kompleksinin geotermal enerji potensiali [Text] : Yer elmlәri üzrә fәlsәfә doktoru elmi dәrәcәsі almaq üçün еәgdim edilmiş dissertasiyanin avtoreferati : 2507.01 - Geofizika, faydali qazintilarin geofiziki axtariş üsullari / A.V. Mәmmәdova ; Azәrbaycan milli elmlәr akademiyasi, Geologiya vә geofizika institutu... – Baki : [n. y.], 2016. - 23 s. . – biblioqr.: 18-19 s. . – 100 n. : 10 tg.
UDC:
550.3(479.24)
Shelf code:
А 2017/16
Subject headings
- Azәrbaycan geofiziki
Annotation
Işin məqsədi: Abşeron yarimadasinin pliosen süxur kompleksinin tam geotermal enerji potensialinin qiymәtlәndirilmәsi vә ondan istifadә olunmasi perspektivlәrinin araşdirilmasi
Keywords
Azәrbaycan geofiziki, faydali qazintilarin geofiziki, геофизические минеральные ресурсы, geotermal enerji potensiali
1/1 Free
ISKANDAROV E. KH.
ANALYTICAL AND WAVE-DEPRESSION METHODS OF ELIMINATION OF THE ONSET OF HYDRATION IN SUBSEA GAS PIPELINES
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
MARDANOV M. J.
AN OPTIMAL CONTROL PROBLEM FOR THE SYSTEMS WITH INTEGRAL BOUNDARY CONDITIONS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
AVIATION WEEK & SPACE TECHNOLOGY (1916)
periodical press (Magazines)
23/23 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
ULBRIKHT O. I.
A FRAGMENT OF A THEORETICAL SET AND ITS STRONGLY MINIMAL CENTRAL TYPE
periodical press (Magazines)
0/0 Free
PARVATHY C. R.
A STUDY ON NEW CLASSES OF BINARY SOFT SETS IN TOPOLOGICAL ROUGH APPROXIMATION SPACE
periodical press (Magazines)
0/0 Free
MӘMMӘDOVA AYGÜN VAHID GIZI
ABŞERON YARıMADASıNIN PLIOSEN KOMPLEKSININ GEOTERMAL ENERJI POTENSIALI (2016)
abstract
1/1 Free