Электронный каталог
Жанр:Естественные науки (natural_sciences)
Каталог:Статьи
Результат поиска:
3851-3860 из 4425
периодические издания(Журналы)
JALMAKHANBETOVA R. I.
Jalmakhanbetova, R. I. Isolation and in silico SARS-CoV-2 main protease inhibition potential of chrysoeriol from Chondrilla brevirostris Fisch. & C.A. Mey [Text] / R. I. Jalmakhanbetova, Ye. M. Suleimen , N. Abe [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 78-85. - Bibliogr.: p. 84-85 ISSN 2518-718Х.
УДК:
547.972
Предметная рубрика
- Natural xanthonic, flavone and flavonol dyes
Аннотация
The article presents the results of a chemical study of Chondrilla brevirostris Fisch. and K.A. May. Several fractions were obtained by separating ethanol extract on column chromatography. Rechromatography and preparative thin-layer chromatography were used to further study the obtained fractions and the isolation of flavonoids
Ключевые слова
сhondrilla brevirostris, аsteraceae, extraction, column chromatography, flavonoid, spectroscopy, molecular docking study
Казахстаника
0/0 Свободно
периодические издания(Журналы)
GAVRILOVA N. N.
Gavrilova, N. N. Selection of a nutrient medium for growing bacteria which are part of an environmentally friendly veterinary probiotic preparation [Text] / N. N. Gavrilova, Zh. E. Sagidoldina , A. K. Sadanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 29-34. - Bibliogr.: p. 34 ISSN 2224-5308.
УДК:
579
Предметная рубрика
- Микробиология
Аннотация
The aim of the study was to select the optimal nutrient medium for growing bacteria that are part of the probiotic
Ключевые слова
probiotic bacteria, growth media , antimicrobial activity, viable cells'titer, пробиотикалық бактериялар, ветеринарлық препарат, пробиотические бактерии, ветеринарный препарат
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SEKSENOVA D. U.
Seksenova, D. U. Ways of infection of vertebrate animals with sarcosporidia and morphology of their causative agents [Text] / D. U. Seksenova, G. B. Atalikhova // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 57-62. - Bibliogr.: p. 62 ISSN 2224-5308.
УДК:
593.193:591.2
Предметная рубрика
- Sarcosporidia. Animal diseases
Аннотация
The article talks about the types, morphology and ways of infection of vertebrates and the number of cysts, representatives of the genus Sarcocystis in vertebrates
Ключевые слова
micromorphology, merozoite, definitive host, schizogony, gametogony, sporogony, саркоциста, саркоспоридиоз, sarcosyst, sarcosporidiosis, fauna
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AKHMETOVA М. ZH.
Akhmetova, М. Zh. Effect of different serotonin concentrations on the inotropic function and morphometric parameters of the heart of infant rats [Text] / М. Zh. Akhmetova, R. R. Nigmatullina , D. E. Tsyplakov [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2022. - № 3. - Р. 16-23. - Bibliogr.: p. 20-21 ISSN 2518-7201.
УДК:
59
Предметная рубрика
- Zoology
Аннотация
This research aimsto study the influence of serotonin on the temporal parameters of contraction of the myocardium of the right ventricle in the newborn pups with a blockade of serotonin synthesis and membrane transporter in the embryonic period of ontogenesis
Ключевые слова
serotonin, myocardium, ontogenesis, heart, fluoxetine, para-chlorophenylalanine
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SAGYNDIKOV M. S.
Sagyndikov, M. S. Assessing polyacrylamide solution chemical stability during a polymer flood in the Kalamkas field, Western Kazakhstan [Text] / M. S. Sagyndikov, I. I. Salimgarayev , E. K. Ogay [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 99-112. - Bibliogr.: p. 110-111 ISSN 2518-718Х.
УДК:
66-922
Предметная рубрика
- Processes involving several types of molecules
Аннотация
This study is based on rheology measurements of polymer solutions and produced fluid from the offset production well associated with the Kalamkas oilfield in Western Kazakhstan
Ключевые слова
polyacrylamide, polymer solution, chemical degradation, polymer flood, iron
Казахстаника
0/0 Свободно
периодические издания(Журналы)
BITYUKOVA V. R.
Bityukova, V. R. Ecological and economic assessment of the ecological situation transformation in the Republic of Kazakhstan regions in 1990–2020 [Text] / V. R. Bityukova // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2022. - № 2. - Р. 154-167. - Bibliogr.: p. 164-165 ISSN 2518-7201
.
УДК:
502.3/.7
Предметная рубрика
- Various parts of the environment
Аннотация
The article is devoted to problems of stating the complex index of anthropogenic impact (IAI) formation es-timating the ecological stress level in regions of Kazakhstan
Ключевые слова
ecological and economic analysis, pollution indicators, integral index ecological stress, ecological situation, anthropogenic impact
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 // Қарағанды университетінің хабаршысы. Химия сериясы. - 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)
MULDAKHMETOV Z. M.
Muldakhmetov, Z. M. Obtaining Carbon Sorbent from “Euromet” LLP Coke Breeze [Text] / Z. M. Muldakhmetov, A. T. Ordabaeva , M. G. Meiramov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 115-124. - Bibliogr.: p. 122-123 ISSN 2518-718Х.
УДК:
661.183
Предметная рубрика
- Adsorbents
Аннотация
The paper presents the results of a physicochemical analysis of a coke sample from “Euromet” LLP (Karaganda, Kazakhstan), which is carbonaceous material with high carbon content, the absence of volatiles matter and low ash content
Ключевые слова
coke breeze, coals, sorbent, sorption capacity, ash content, bulk density
Казахстаника
0/0 Свободно
периодические издания(Журналы)
NURDILLAYEVA R. N.
Nurdillayeva, R. N. Electrochemical Method of Lead (II) Ions Removal from Wastewater Using Granular Graphite Electrodes [Text] / R. N. Nurdillayeva, A. N. Zhylysbayeva , A. K. Askarov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 61-68. - Bibliogr.: p. 66 ISSN 2518-718Х.
УДК:
544.4
Предметная рубрика
- Chemical kinetics. Catalysis
Аннотация
The article presents an electrochemical method of wastewater treatment from Pb (II) ions through granular graphite electrodes
Ключевые слова
lead ions, granular graphite electrodes, wastewater, heavy metals, flow mode, current density
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TURDYBEKOV K. M.
Turdybekov, K. M. Isolation and Structure of the New Sesquiterpene Lactone 3-oxo-10β-hydroxy-5,7α(H),4,6β(H)-guai-1,11(13)-diene-6,12-olide [Text] / K. M. Turdybekov, S. A. Ivasenko , D. M. Turdybekov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 52-58. - Bibliogr.: p. 57-58 ISSN 2518-718Х.
УДК:
547
Предметная рубрика
- Оrganic chemistry
Аннотация
The article presents the results of a chemical study of Tanacetopsis pjataevae, which is an endemic plant in Kazakhstan
Ключевые слова
NMR spectroscopy, IR spectroscopy, mass spectrometry, X-ray analysis, sesquiterpene lactones, Tanacetopsis pjataevae
Казахстаника
0/0 Свободно
JALMAKHANBETOVA R. I.
ISOLATION AND IN SILICO SARS-COV-2 MAIN PROTEASE INHIBITION POTENTIAL OF CHRYSOERIOL FROM CHONDRILLA BREVIROSTRIS FISCH. & C.A. MEY
периодические издания(Журналы)
0/0 Свободно
GAVRILOVA N. N.
SELECTION OF A NUTRIENT MEDIUM FOR GROWING BACTERIA WHICH ARE PART OF AN ENVIRONMENTALLY FRIENDLY VETERINARY PROBIOTIC PREPARATION
периодические издания(Журналы)
0/0 Свободно
SEKSENOVA D. U.
WAYS OF INFECTION OF VERTEBRATE ANIMALS WITH SARCOSPORIDIA AND MORPHOLOGY OF THEIR CAUSATIVE AGENTS
периодические издания(Журналы)
0/0 Свободно
AKHMETOVA М. ZH.
EFFECT OF DIFFERENT SEROTONIN CONCENTRATIONS ON THE INOTROPIC FUNCTION AND MORPHOMETRIC PARAMETERS OF THE HEART OF INFANT RATS
периодические издания(Журналы)
0/0 Свободно
SAGYNDIKOV M. S.
ASSESSING POLYACRYLAMIDE SOLUTION CHEMICAL STABILITY DURING A POLYMER FLOOD IN THE KALAMKAS FIELD, WESTERN KAZAKHSTAN
периодические издания(Журналы)
0/0 Свободно
BITYUKOVA V. R.
ECOLOGICAL AND ECONOMIC ASSESSMENT OF THE ECOLOGICAL SITUATION TRANSFORMATION IN THE REPUBLIC OF KAZAKHSTAN REGIONS IN 1990–2020
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
MULDAKHMETOV Z. M.
OBTAINING CARBON SORBENT FROM “EUROMET” LLP COKE BREEZE
периодические издания(Журналы)
0/0 Свободно
NURDILLAYEVA R. N.
ELECTROCHEMICAL METHOD OF LEAD (II) IONS REMOVAL FROM WASTEWATER USING GRANULAR GRAPHITE ELECTRODES
периодические издания(Журналы)
0/0 Свободно
TURDYBEKOV K. M.
ISOLATION AND STRUCTURE OF THE NEW SESQUITERPENE LACTONE 3-OXO-10Β-HYDROXY-5,7Α(H),4,6Β(H)-GUAI-1,11(13)-DIENE-6,12-OLIDE
периодические издания(Журналы)
0/0 Свободно