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Жанр:Естественные науки (natural_sciences)
Язык издания:Английский
Результат поиска:
31-40 из 56
периодические издания(Журналы)
SMOLYAR V. A.
Smolyar, V. A. Structure of the information system of Kazakhstan fresh groundwater resources [Text] / V. A. Smolyar, O. L. Miroshnichenko , L. Y. Trushel [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2022. - № 4 (454). - P. 182-198. - Bibliogr.: p. 197-198 ISSN 2224-5278.
УДК:
551.444(574)
Предметная рубрика
- Groundwater resources of Kazakhstan
Аннотация
The article examines the structure of the information system of Kazakhstan fresh groundwater resources
Ключевые слова
groundwater, groundwater resources, groundwater information system, groundwater managment, information systems
Казахстаника
0/0 Свободно
периодические издания(Журналы)
OLZHABAYEVA ZH.
Olzhabayeva, Zh. Study of changes in the histological structure of the gills of carp and zander living in lake Balkhash [Text] / Zh. Olzhabayeva, B. Abdullaeva , I. Zharkova [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 2 (110). - P. 100-106. - Bibliogr.: p. 100-106 ISSN 2518-7201.
УДК:
591.87
Предметная рубрика
- Animal histology. Histology of the epithelium
Аннотация
The purpose of the study was to study changes in the histological structures of the gills of carp and zander living in Lake Balkhash
Ключевые слова
gills pathology, lamellae, hemorrhages, necrosis, hyperplasia, carp, zander, heavy metals
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MADIYEVA A. N.
Madiyeva, A. N. Study the germination of seeds of Sudanese grass (Sorghum × drummondii) treated by ethylene glycol and propylene glycol cryoprotectants [Text] / A. N. Madiyeva, M. M. Silantyeva // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 1 (109). - P. 76-83. - Bibliogr.: p. 76-83 ISSN 2518-7201.
УДК:
604.4:631.8
Предметная рубрика
- Fermentation and products of cell cultures. Stimulation of plant growth
Аннотация
The present study was conducted at an objective study of the seeds of Sudanese grass for cryopreservation and viability of seeds
Ключевые слова
Sudanese grass, seeds, cryoprotectant, plants, ethyleneglycol, propyleneglykol, germination, liquid nitrogen, cryopreservation
Казахстаника
0/0 Свободно
периодические издания(Журналы)
GAVRILKOVA E. A.
Gavrilkova, E. A. Study of the influence of some physical factors on the viability of seeds of Echinaceae pallida variety "Lebedushka" [Text] / E. A. Gavrilkova, S. U. Tleukenova , A. K. Ramazanov [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 4 (112). - P. 42-48. - Bibliogr.: p. 47-48 ISSN 2518-7201.
УДК:
604
Предметная рубрика
- Biotechnology products
Аннотация
The article presents data on testing of germination parameters of seeds of Echinaceae pallida variety “Lebedushka” under the influence of physical factors
Ключевые слова
Echinacea pallida, seeds, magnetic fields, babbling, radiation by He-Ne laser, cryogenic storage, germination
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AMANTAYEV N. G.
Amantayev, N. G. Selecting sterilization conditions for the explants of different potato varieties to be in vitro introduced into the culture [Text] / N. G. Amantayev, M. M. Silantyeva , V. T. Khassanov // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 3 (111). - P. 16-24. - Bibliogr.: p. 21-22 ISSN 2518-7201.
УДК:
635.21
Предметная рубрика
- Potato. Solanum tuberosum L
Аннотация
The authors presented the results o f the effect of various sterilizing agents as well as the treatment timing on the viability o f plant explants during microclonal propagation o f potatoes o f the following varieties: Aladin, Gala, Nevsky, Udacha and Kostanay Novosti
Ключевые слова
potato tubers, meristem sprouts, sterilizing solutions, explant, exposure, sterilization
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SARSENBEKOVA A. ZH.
Sarsenbekova, A. Zh. Study of thermal stability and determination of effective activation energy values during degradation of unsaturated polyester copolymers in the air atmosphere [Text] / A. Zh. Sarsenbekova, A. N. Bolatbay , V. V. Morgun [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 1. - С. 86-91. - Bibliogr.: p. 90 ISSN 2518-718Х.
УДК:
543.573
Предметная рубрика
- Methods related to weight change. Thermogravimetry
Аннотация
The article presents the results of a study of the kinetic parameters of copolymers based on polyethylene glycol fumarates, as well as external and internal effects on them
Ключевые слова
thermogravimetry, thermal analysis, kinetic parameters, copolymers, polyethylene glycol fumarate, acrylic acid, activation energy
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ALIYEV F. R.
Aliyev, F. R. Synthesis and study of a new mixed-layered compound GeBi3 Te4 belonging to the nBi2–mGeBi2 Te4 homologous series [Text] / F. R. Aliyev, E. N. Orujlu , D. M. Babanly // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 1. - Р. 92-98. - Bibliogr.: p. 96-97 ISSN 2518-718Х.
УДК:
546.2
Предметная рубрика
- Nonmetals of groups III, IV, VI and elements of group zero
Аннотация
In light of the structural properties of tetradymite-like layered chalcogenide compounds, the mixed-layered compound GeBi3Te4 was predicted and synthesized for the first time, which belongs to the nBi2–mGeBi2Te4 homologous series in the Ge-Te-Bi system
Ключевые слова
Ge-Bi-Te ternary system, nBi2–mGeBi2Te4 homologous series, GeBi3 Te4 , GeBi4 Te4, tetradymitelike structure, topological insulators
Казахстаника
0/0 Свободно
периодические издания(Журналы)
NURMAGANBETOV ZH. S.
Nurmaganbetov, Zh. S. Synthesis and Structure of 4-Substituted (1S,9aR)-1-[(1,2,3-triazol-1-yl)methyl]octahydro-1H-quinolysines of Lupinine [Text] / Zh. S. Nurmaganbetov, S. D. Fazylov , K. M. Turdybekov [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 12-22. - Bibliogr.: p. 20-21 ISSN 2518-718Х.
УДК:
547.94
Предметная рубрика
- Natural alkaloids
Аннотация
The article presents results on the synthesis and investigation of the structural features of a number of 1,4-disubstituted 1H-1,2,3-triazole derivatives of the alkaloid lupinine
Ключевые слова
quinolysine alkaloids, lupinine, azides, triazoles, methanesulfonyl chloride, terminal alkynes, 1,3- dipolar cycloaddition reaction, X-ray structural analysis
Казахстаника
0/0 Свободно
авторефераты(abstract)
UKHMAN, ALEXANDR VASIL`EVICH`
s- numbers and a spectrum of integral operators : extended abstract concerning this dissertation for submission for the academic degree of doctor of philosophy / Ukhman, Alexandr Vasil`evich` ... – Astana : [N. p.], 2010. - 20 p. . – Bibliogr.: p. 15-16, p. 18 . – 100 c. – не указан : [N. p.]
УДК:
517.968
Полочный шифр:
А 2010/4460
Предметная рубрика
- Integral equations
Аннотация
The purpose of the research thesis is the theory of s-numbers of linear bounded integral operators
Ключевые слова
integral equations, dissertation, spectrum of integral operators, s-numbers, mathematics, abstract
2/2 Свободно
авторефераты(abstract)
NAURAZBEKOVA, ALTYNGUL SERIKOVNA
Structure of free dual Leibniz algebras : abstract of the dissertation for competition of academic degree of PhD / Naurazbekova, Altyngul Serikovna ... – Astana : [N. p.], 2010. - 16, [4] p. . – Bibiliogr.: 13-16 p. . – 80 c. – не указан : [N. p.]
УДК:
512.4
Полочный шифр:
А 2010/4459
Предметная рубрика
- The theory of groups
Аннотация
This work is devoted to the investigation of the structure of free dual Leibniz algebras
Ключевые слова
mathematics, abstract, algebras, free dual algebras, mathematic theory
1/1 Свободно
SMOLYAR V. A.
STRUCTURE OF THE INFORMATION SYSTEM OF KAZAKHSTAN FRESH GROUNDWATER RESOURCES
периодические издания(Журналы)
0/0 Свободно
OLZHABAYEVA ZH.
STUDY OF CHANGES IN THE HISTOLOGICAL STRUCTURE OF THE GILLS OF CARP AND ZANDER LIVING IN LAKE BALKHASH
периодические издания(Журналы)
0/0 Свободно
MADIYEVA A. N.
STUDY THE GERMINATION OF SEEDS OF SUDANESE GRASS (SORGHUM × DRUMMONDII) TREATED BY ETHYLENE GLYCOL AND PROPYLENE GLYCOL CRYOPROTECTANTS
периодические издания(Журналы)
0/0 Свободно
GAVRILKOVA E. A.
STUDY OF THE INFLUENCE OF SOME PHYSICAL FACTORS ON THE VIABILITY OF SEEDS OF ECHINACEAE PALLIDA VARIETY "LEBEDUSHKA"
периодические издания(Журналы)
0/0 Свободно
AMANTAYEV N. G.
SELECTING STERILIZATION CONDITIONS FOR THE EXPLANTS OF DIFFERENT POTATO VARIETIES TO BE IN VITRO INTRODUCED INTO THE CULTURE
периодические издания(Журналы)
0/0 Свободно
SARSENBEKOVA A. ZH.
STUDY OF THERMAL STABILITY AND DETERMINATION OF EFFECTIVE ACTIVATION ENERGY VALUES DURING DEGRADATION OF UNSATURATED POLYESTER COPOLYMERS IN THE AIR ATMOSPHERE
периодические издания(Журналы)
0/0 Свободно
ALIYEV F. R.
SYNTHESIS AND STUDY OF A NEW MIXED-LAYERED COMPOUND GEBI3 TE4 BELONGING TO THE NBI2–MGEBI2 TE4 HOMOLOGOUS SERIES
периодические издания(Журналы)
0/0 Свободно
NURMAGANBETOV ZH. S.
SYNTHESIS AND STRUCTURE OF 4-SUBSTITUTED (1S,9AR)-1-[(1,2,3-TRIAZOL-1-YL)METHYL]OCTAHYDRO-1H-QUINOLYSINES OF LUPININE
периодические издания(Журналы)
0/0 Свободно
UKHMAN, ALEXANDR VASIL`EVICH`
S- NUMBERS AND A SPECTRUM OF INTEGRAL OPERATORS (2010)
авторефераты(abstract)
2/2 Свободно
NAURAZBEKOVA, ALTYNGUL SERIKOVNA
STRUCTURE OF FREE DUAL LEIBNIZ ALGEBRAS (2010)
авторефераты(abstract)
1/1 Свободно