Janr:Қолданбалы ғылымдар. Жалпы сұрақтар. Техника (technics_IT)
Basylym tіlі:Aǵylshyn
Katalog:Maqalalar
Nátejeler:
61-70 ız 152
мерзімді басылым(Журналы)
SHEROV K. T.
Sherov, K. T. Increasing durability of thermo-friction tools by surfacing [Text] / K. T. Sherov, S. O. Tussupova , A. V. Mazdubay [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 3 (453). - P. 265-275. - Bibliogr.: p. 274-275 ISSN 2224-5278.
ÁOJ:
621
Taqyrypty aıdarlar
- Mechanical engineering
Ańdatpa
The article presents the results of a study on increasing the wear resistance of the cutting part of thermofriction tools by surfacing
Kіlt sózder
wear resistance, hardness, surfacing material, thermofriction tool, wear, melting point, surfacing
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
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.
ÁOJ:
622.691.4
Taqyrypty aıdarlar
- Pipeline transportation of natural gases. Gas pipelines
Ańdatpa
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
Kіlt sózder
natural gases, gas hydrate, wave-depression method, subsea pipeline, indication of hydrate formation, blockage, methanol
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
KANBETOV A. SH.
Kanbetov, A. Sh. Study of heavy metals and arsenic content in soils of the coastal zone of the Caspian sea of the Kazakhstan sector [Text] / A. Sh. Kanbetov, M. Z. Muldakhmetov , D. K. Kulbatyrov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 4 (454). - P. 109-121. - Bibliogr.: p. 120-121 ISSN 2224-5278
.
ÁOJ:
614.771
Taqyrypty aıdarlar
- Soil pollution
Ańdatpa
The purpose of the studies is to identify areas and zones of priority protection of environmentally sensitive zones along the coast of the Kazakhstan sector of the Caspian Sea from the border with the Russian Federation (RF) to the Tupkaragan Bay to determine priorities for oil spill response
Kіlt sózder
heavy metals, arsenic, Caspian coast, soil cover, soil pollution
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
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.
ÁOJ:
515.1
Taqyrypty aıdarlar
- Topology
Ańdatpa
The present paper establishes a formula of Reidemeister torsion for Schottky representations
Kіlt sózder
Schottky representation, Reidemeister torsion, representation varieties, Atiyah-Bott-Goldman symplectic form, Thurston symplectic form
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BURANAY S. C.
Buranay, S. C. Solution of heat equation by a novel implicit scheme using block hybrid preconditioning of the conjugate gradient method [Text] / S. C. Buranay, N. Arshad // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 58-80. - Bibliogr.: p. 77-79 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
The main goal of the study is the approximation of the solution to the Dirichlet boundary value problem (DBVP) of the heat equation on a rectangle by developing a new difference method on a grid system of hexagons
Kіlt sózder
heat equation, implicit scheme, hexagonal grid, stability analysis, symmetric positive definite matrix, approximate inverse, incomplete block factorization, block hybrid preconditioning, conjugate gradient method
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ARIPOV M. M.
Aripov, M. M. On convergence of difference schemes of high accuracy for one pseudo-parabolic Sobolev type equation [Text] / M. M. Aripov, D. Utebaev , M. M. Kazimbetova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 24-37. - Bibliogr.: p. 34-35 ISSN 2518-7929.
ÁOJ:
517.95:519.6
Taqyrypty aıdarlar
- Differential equations. Computational mathematics
Ańdatpa
Difference schemes of the finite difference method and the finite element method of high-order accuracy in time and space are proposed and investigated for a pseudo-parabolic Sobolev type equation
Kіlt sózder
pseudo-parabolic equation, difference schemes, finite difference method, finite element method, generalized solutions, a priori estimates, stability, convergence, accuracy
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ASHYRALYEV А.
Ashyralyev, А. On the hyperbolic type differential equation with time involution [Text] / А. Ashyralyev, А. Ashyralyyev , B. Abdalmohammed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 38-47. - Bibliogr.: p. 44-45 ISSN 2518-7929.
ÁOJ:
517.28
Taqyrypty aıdarlar
- Involutory type hyperbolic equation
Ańdatpa
In the present paper, the initial value problem for the hyperbolic type involutory in t second order linear partial differential equation is studied
Kіlt sózder
stability, Banach space, partial differential equation, hyperbolic differential equations, differential operator
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
SALIM S. H.
Salim, S. H. Solving Volterra-Fredholm integral equations by natural cubic spline function [Text] / S. H. Salim, K. H.F. Jwamer , R. K. Saeed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 124-130. - Bibliogr.: p. 128-129 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
Using the natural cubic spline function, this paper finds the numerical solution of Volterra-Fredholm integral equations of the second kind
Kіlt sózder
Volterra integral equation, Fredholm integral equation, spline function
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
SINSOYSAL B.
Sinsoysal, B. Numerical method to solution of generalized model Buckley-Leverett in a class of discontinuous functions [Text] / B. Sinsoysal, M. Rasulov , R. Iskenderova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 131-140. - Bibliogr.: p. 137-138 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
A new numerical method is proposed for solving the generalized Buckley-Leverett problem, which describes the movement of two-phase mixtures of Bazhenov bed sediments in a class of discontinuous functions
Kіlt sózder
generalized Buckley-Leverett problem, auxiliary problem, finite differences method, nonlinear differential equations
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
YUCEL M.
Yucel, M. Generalized differential transformation method for solving two-interval Weber equation subject to transmission conditions [Text] / M. Yucel, F. S. Muhtarov , O. Sh. Mukhtarov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 168-176. - Bibliogr.: p. 168-176 ISSN 2518-7929.
ÁOJ:
519.62
Taqyrypty aıdarlar
- Numerical methods for solving differential equations
Ańdatpa
The main goal of this study is to adapt the classical differential transformation method to solve new types of boundary value problems
Kіlt sózder
two-interval problems, the differential transformation method, Weber equation, transmission conditions
Qazaqstandуq
0/0 Bos
SHEROV K. T.
INCREASING DURABILITY OF THERMO-FRICTION TOOLS BY SURFACING
мерзімді басылым(Журналы)
0/0 Bos
ISKANDAROV E. KH.
ANALYTICAL AND WAVE-DEPRESSION METHODS OF ELIMINATION OF THE ONSET OF HYDRATION IN SUBSEA GAS PIPELINES
мерзімді басылым(Журналы)
0/0 Bos
KANBETOV A. SH.
STUDY OF HEAVY METALS AND ARSENIC CONTENT IN SOILS OF THE COASTAL ZONE OF THE CASPIAN SEA OF THE KAZAKHSTAN SECTOR
мерзімді басылым(Журналы)
0/0 Bos
HEZENCI F.
A REMARK ON SCHOTTKY REPRESENTATIONS AND REIDEMEISTER TORSION
мерзімді басылым(Журналы)
0/0 Bos
BURANAY S. C.
SOLUTION OF HEAT EQUATION BY A NOVEL IMPLICIT SCHEME USING BLOCK HYBRID PRECONDITIONING OF THE CONJUGATE GRADIENT METHOD
мерзімді басылым(Журналы)
0/0 Bos
ARIPOV M. M.
ON CONVERGENCE OF DIFFERENCE SCHEMES OF HIGH ACCURACY FOR ONE PSEUDO-PARABOLIC SOBOLEV TYPE EQUATION
мерзімді басылым(Журналы)
0/0 Bos
ASHYRALYEV А.
ON THE HYPERBOLIC TYPE DIFFERENTIAL EQUATION WITH TIME INVOLUTION
мерзімді басылым(Журналы)
0/0 Bos
SALIM S. H.
SOLVING VOLTERRA-FREDHOLM INTEGRAL EQUATIONS BY NATURAL CUBIC SPLINE FUNCTION
мерзімді басылым(Журналы)
0/0 Bos
SINSOYSAL B.
NUMERICAL METHOD TO SOLUTION OF GENERALIZED MODEL BUCKLEY-LEVERETT IN A CLASS OF DISCONTINUOUS FUNCTIONS
мерзімді басылым(Журналы)
0/0 Bos
YUCEL M.
GENERALIZED DIFFERENTIAL TRANSFORMATION METHOD FOR SOLVING TWO-INTERVAL WEBER EQUATION SUBJECT TO TRANSMISSION CONDITIONS
мерзімді басылым(Журналы)
0/0 Bos