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Genre:Естественные науки (natural_sciences)
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181-190 of 216
periodical press (Magazines)
BULGAKOVA O. V.
Bulgakova, O. V. Molecular mechanisms of radiation-induced aging [Text] / O. V. Bulgakova, N. B. Rezhepova // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 3 (111). - P. 35-48. - Bibliogr.: p. 44-48 ISSN 2518-7201.
UDC:
577.2
Subject headings
- Material bases of life. Molecular biology
Annotation
The article examines the molecular mechanisms of radiation-induced aging
Keywords
aging, DNA damage, telomeres , Mitochondrion, MicroRNA, Inflammation, p16, Radiationinduced aging
Kazakhstan
0/0 Free
periodical press (Magazines)
KABIDENOV A.
Kabidenov, A. Model companion properties of some theories [Text] / A. Kabidenov, A. Kasatova , M. I. Bekenov [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - Vol. 29, № 2 (114). - P. 114-123. - Bibliogr.: p. 120-121 ISSN 2518-7929.
UDC:
512
Subject headings
- Algebra
Annotation
The paper shows that the formula-definable class of algebraic systems isidempotently formula-definable and is an axiomatizable class of algebraic systems
Keywords
model companion, pseudofinite theory, formula-definable class, smoothly approximated structure, модельдiк компаньон, псевдоақырлы теория, модельный компаньон, псевдоконечная теория
Kazakhstan
0/0 Free
periodical press (Magazines)
JAICHIBEKOV N. ZH.
Jaichibekov, N. Zh. Mathematical model and numerical calculation of the movement of oil products in helicoidal heat exchangers [Text] / N. Zh. Jaichibekov, D. Y. Kurmanova , A. S. Zhumanbayeva // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - Vol. 29, № 2 (114). - P. 72-81. - Bibliogr.: p. 79 ISSN 2518-7198.
UDC:
536.24
Subject headings
- Heat transfer. Heat exchange between a solid and a liquid or gas
Annotation
This article discusses the numerical calculation of a helicoidal heat exchanger
Keywords
heat transfer, numerical calculation, helical heat exchanger, hydrodynamics, coolants, heat flow, laminar-turbulent transition, Navier-Stokes equation, flow turbulization, геликоидты жылу алмастырғыш, геликоидный теплообменник
Kazakhstan
0/0 Free
periodical press (Magazines)
DYUSSEBAYEV I. M.
Dyussebayev, I. M. Methodological basis for the application of wind generators in geology [Text] / I. M. Dyussebayev, Zh. Issabekov , A. D. Tulegulov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 5 (455). - P. 63-78. - Bibliogr.: p. 77-78 ISSN 2518-170X.
UDC:
55
Subject headings
- Geological sciences
Annotation
The article reveals the methodological foundations for the application of wind turbines in geological research
Keywords
wind turbines, energy supply, geological exploration, technological equipment, rotary mechanism, wind speed, жел генераторлық қондырғылар, геологиялық-барлау жұмыстары, ветрогенераторные установки, геолого-разведочные работы
Kazakhstan
0/0 Free
periodical press (Magazines)
KOKYMBAEVA G. ZH.
Kokymbaeva, G. Zh. Modeling PVT properties of reservoir fluids within the Karaton-Sarkamys block by the example of the prorva group of fields [Text] / G. Zh. Kokymbaeva, R. N. Uteev , A. S. Mardanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 5 (455). - P. 109-127. - Bibliogr.: p. 126-127 ISSN 2518-170X.
UDC:
544.016
Subject headings
- Physico-chemical analysis. Composition-property diagrams
Annotation
To assess the properties of the initial reservoir oil, a mathematical recombination of the composition was carried out using the obtained average value of gas content. Gas and oil compositions were used according to the results of KM Engineering LLP laboratory as the most qualitative and detailed ones
Keywords
reservoir, formation oil properties, PVT, density, viscosity, saturation pressure, кен орны, залежь
Kazakhstan
0/0 Free
periodical press (Magazines)
MUKHARLYAMOV R. G.
Mukharlyamov, R. G. Modeling of dynamics processes and dynamics control [Text] / R. G. Mukharlyamov, Zh. K. Kirgizbaev // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 2 (114). - P. 165-177. - Bibliogr.: p. 172-174 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
The conditions of stability of the integralmanifold determined by the constraint equations and stabilization of the constraint in the numerical solutionof the dynamic equations were formulated
Keywords
constraint stabilization, numerical methods, nonholonomic constraints, Helmholtz conditions, байланыстарды тұрақтандыру, Гельмгольц шарттары, стабилизация связей, условия Гельмгольца
Kazakhstan
0/0 Free
periodical press (Magazines)
ORAZBAYEVA K. N.
Orazbayeva, K. N. Modeling and optimization of operating modes of oil heating tube furnaces [Text] / K. N. Orazbayeva, Zh. Zh. Moldasheva , B. B. Orazbayev [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 5 (455). - P. 156-175. - Bibliogr.: p. 174-175 ISSN 2518-170X.
UDC:
665.6
Subject headings
- Technology of mineral oils
Annotation
In this paper, to develop models and optimize the operating modes of fuzzy oil heating furnace, experimental-statistical methods and methods of expert assessments and fuzzy set theories are used, which make it possible to use the available information of a statistical and fuzzy nature
Keywords
oil heating furnace, mathematical model, multicriteria optimization, fuzzy information, heuristic algorithm, decision maker, мұнайды қыздыру пеші, печь подогрева нефти
Kazakhstan
0/0 Free
periodical press (Magazines)
FOMIN V. N.
Fomin, V. N. Method of classification and quantitative analysis of vein quartz using LIBS and chemometric techniques [Text] / V. N. Fomin, S. K. Aldabergenova , N. K. Kelesbek [et al.] // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 2 (147). - P. 48-60. - Bibliogr.: p. 56-57 ISSN 2616-6771.
UDC:
54
Subject headings
- Chemistry
Annotation
This study demonstrates the feasibility of using LIBS in combination with design of experiment and chemometric methods for the classification analysis of amorphous quartz and the quantitative determination of several constant impurities
Keywords
vein quartz, laser induced breakdown spectroscopy (LIBS), mathematical design of experiment, partial least squares regression (PLSR), principal component analysis (PCA), atomic absorption spectroscopy (AAS), silicate analysis, желілік кварц, хемометрика, жильный кварц
Kazakhstan
0/0 Free
periodical press (Magazines)
SADUAKASSOVA Z. A.
Saduakassova, Z. A. Methodological aspects of teaching subject chemistry in english language in the 8th grade [Text] / Z. A. Saduakassova, G. E. Abylkasova // Шығыстың аймақтық хабаршысы. - 2016. - № 2. - 101-110 р.. ISSN 1683-1667.
UDC:
54
Subject headings
- Chemistry
Annotation
The article discusses the methodology of teaching chemistry in 8th grade in еnglish
Keywords
methods of teaching chemistry, chemistry lessons, 8th grade chemistry, chemistry in еnglish, calendar thematic plan, methods of studying chemistry, chemistry
Kazakhstan
0/0 Free
periodical press (Magazines)
BELOZEROV I. F.
Belozerov, I. F. Main direction of optimization of agrotechnics of growing seedlings of woody plants with closed root system in Mangistau desert [Text] / I. F. Belozerov, Tolep , F. U. Umirbayeva [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 4 (116). - P. 14-26. - Bibliogr.: p. 24 ISSN 2518-7201.
UDC:
58
Subject headings
- Botany
Annotation
The objective of this study is to optimize the agricultural technology of growing seedlings of woody plants with a closed root system in the arid conditions of Mangistau by conducting field experiments
Keywords
agricultural technology, woody plants, seedlings, field experiment, survival rate, ағаш өсімдіктер, древесные растения
Kazakhstan
0/0 Free
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
JAICHIBEKOV N. ZH.
MATHEMATICAL MODEL AND NUMERICAL CALCULATION OF THE MOVEMENT OF OIL PRODUCTS IN HELICOIDAL HEAT EXCHANGERS
periodical press (Magazines)
0/0 Free
DYUSSEBAYEV I. M.
METHODOLOGICAL BASIS FOR THE APPLICATION OF WIND GENERATORS IN GEOLOGY
periodical press (Magazines)
0/0 Free
KOKYMBAEVA G. ZH.
MODELING PVT PROPERTIES OF RESERVOIR FLUIDS WITHIN THE KARATON-SARKAMYS BLOCK BY THE EXAMPLE OF THE PRORVA GROUP OF FIELDS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
ORAZBAYEVA K. N.
MODELING AND OPTIMIZATION OF OPERATING MODES OF OIL HEATING TUBE FURNACES
periodical press (Magazines)
0/0 Free
FOMIN V. N.
METHOD OF CLASSIFICATION AND QUANTITATIVE ANALYSIS OF VEIN QUARTZ USING LIBS AND CHEMOMETRIC TECHNIQUES
periodical press (Magazines)
0/0 Free
SADUAKASSOVA Z. A.
METHODOLOGICAL ASPECTS OF TEACHING SUBJECT CHEMISTRY IN ENGLISH LANGUAGE IN THE 8TH GRADE
periodical press (Magazines)
0/0 Free
BELOZEROV I. F.
MAIN DIRECTION OF OPTIMIZATION OF AGROTECHNICS OF GROWING SEEDLINGS OF WOODY PLANTS WITH CLOSED ROOT SYSTEM IN MANGISTAU DESERT
periodical press (Magazines)
0/0 Free