Электронный каталог
Язык издания:Английский
Каталог:Статьи
Результат поиска:
841-850 из 960
периодические издания(Журналы)
MEDVEDEVA N. A.
Medvedeva, N. A. The Effect of Aging on the Microstructure of Alloys (ТiСr1.8)100–xVx after Electrolytic Hydrogen Charging [Text] / N. A. Medvedeva, A. A. Mironova , N. E. Skryabina [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 95-102. - Bibliogr.: p. 99 ISSN 2518-718Х.
УДК:
544.2
Предметная рубрика
- Physical chemistry of solids, liquids and gases
Аннотация
The microstructure transformation of ternary Ti-Cr-V alloys after introduction of hydrogen has been analyzed for a long time. Assessment of the impact of vanadium concentration and ratio of Ti and V concentrations on composition stability has been carried out
Ключевые слова
alloys, electrochemical hydrogen saturation, hydrogen, self-diffusion, microstructure of alloys
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.] // Bulletin of the Karaganda University. Chemistry Series. - 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.] // Bulletin of the Karaganda University. Chemistry Series. - 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.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 52-58. - Bibliogr.: p. 57-58 ISSN 2518-718Х.
УДК:
547.314
Предметная рубрика
- Hydrocarbons of the C/nH////2n-2 series with one triple bond
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
периодические издания(Журналы)
KURMANOVA A. F.
Kurmanova, A. F. DFT Study of Complexation Reactions Involving Dicarboxylic Acids: Hydrogen Bonds, Influence of Solvent Nature [Text] / A. F. Kurmanova, F. Zh. Abilkanova , A. S. Rakhimzhanova [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 43-51. - Bibliogr.: p. 49-50 ISSN 2518-718Х.
УДК:
541.515
Предметная рубрика
- Free radicals
Аннотация
Quantum chemical studies of the protolytic ability of some dicarboxylic acids are carried out. The geometric and kinetic parameters of the dimeric molecules of maleic, succinic, tartaric, oxalic, and adipic acids are investigated
Ключевые слова
quantum chemical calculations, density functional theory, hydrogen bond, intermolecular hydrogen bonds, dimerization energy, complexation energy, effect of the nature of the solvent
Казахстаника
0/0 Свободно
периодические издания(Журналы)
CHITLANGE S. S.
Chitlange, S. S. Development and Validation of HPTLC Method for Simultaneous Estimation of Berberine, Gallic Acid and Ursolic Acid in a Polyherbal Blend [Text] / S. S. Chitlange, S. R. Chandani , S. P. Gandhi [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 33-42. - Bibliogr.: p. 39-41 ISSN 2518-718Х.
УДК:
54
Предметная рубрика
- Chemistry
Ключевые слова
polyherbal, gallic acid, berberine, ursolic acid, method development, validation
Казахстаника
0/0 Свободно
периодические издания(Журналы)
RYABYKH A. V.
Ryabykh, A. V. The Role of Zinc Ion in the Active Site of Copper-Zinc Superoxide Dismutase [Text] / A. V. Ryabykh, O. A. Maslova , S. A. Beznosyuk [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 77-87. - Bibliogr.: p. 85 ISSN 2518-718Х.
УДК:
544.18
Предметная рубрика
- Quantum chemistry
Аннотация
The interaction of the superoxide radical ion O2– with the active center of Cu, Zn superoxide dismutase was studied obtained by computer simulation
Ключевые слова
Zn-superoxide dismutase, superoxide radical ion, reactive oxygen species, antioxidants
Казахстаника
0/0 Свободно
периодические издания(Журналы)
STADNIK I. L.
Stadnik, I. L. ESR-Study of the Proton Exchange with Aliphatic Amino Acids in Toluene [Text] / I. L. Stadnik, F. Zh. Abilkanova , Ye. V. Kudryavtseva [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 69-76. - Bibliogr.: p. 75-76 ISSN 2518-718Х.
УДК:
54
Предметная рубрика
- Chemistry
Аннотация
This paper presents the results of an ESR spectroscopic study of the intermolecular proton exchange kinetics with some isomers of aminocaproic acid, such as 2-aminohexanoic and 6-aminohexanoic acids in the toluene indifferent medium
Ключевые слова
proton exchange reactions, ESR-spectroscopy, spin probe, semiquinone radical, Bloch equation, aminohexanoic acid
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AMIRKHANOVA ZH.
Amirkhanova, Zh. Influence of flax seeds on the reproduction rate of lactic acid bacilli when used in the experiment [Text] / Zh. Amirkhanova, R. Bodeeva , S. Akhmetova [et al.] // Bulletin of the Karaganda University. Biology. Medicine. Geography Series. - 2022. - № 2. - Р. 26-33. - Bibliogr.: р. 30-31 ISSN 2518-7201.
УДК:
616-003.725
Предметная рубрика
- Biologically active substances
Аннотация
This article presents the study on the influence of flax seeds on the reproduction rate of lactic acid bacilli when used in the experiment
Ключевые слова
lactic acid bacilli, dietary fiber , culture media, cultivation, nutritional requirements, biomass
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MEYRAMOV G. G.
Meyramov, G. G. The biological role of zinc in the pancreas, prostate and in submandibular glands and influence of its complex salts with chelators on the state of glands tissue [Text] / G. G. Meyramov, V. I. Korchin , K. D. Kohnert [et al.] // Bulletin of the Karaganda University. Biology. Medicine. Geography Series. - 2022. - № 2. - Р. 103-110. - Bibliogr.: р. 107-108 ISSN 2518-7201.
УДК:
612.343
Предметная рубрика
- Pancreatic secretion
Аннотация
The article provides data o the biological role of zinc in humans and animals. The authors provide data on the role of zinc value and its role in each of the described glands
Ключевые слова
zinc, zinc binding chemicals, pancreas, prostate, submandibular glands
Казахстаника
0/0 Свободно
MEDVEDEVA N. A.
THE EFFECT OF AGING ON THE MICROSTRUCTURE OF ALLOYS (ТIСR1.8)100–XVX AFTER ELECTROLYTIC HYDROGEN CHARGING
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
KURMANOVA A. F.
DFT STUDY OF COMPLEXATION REACTIONS INVOLVING DICARBOXYLIC ACIDS: HYDROGEN BONDS, INFLUENCE OF SOLVENT NATURE
периодические издания(Журналы)
0/0 Свободно
CHITLANGE S. S.
DEVELOPMENT AND VALIDATION OF HPTLC METHOD FOR SIMULTANEOUS ESTIMATION OF BERBERINE, GALLIC ACID AND URSOLIC ACID IN A POLYHERBAL BLEND
периодические издания(Журналы)
0/0 Свободно
RYABYKH A. V.
THE ROLE OF ZINC ION IN THE ACTIVE SITE OF COPPER-ZINC SUPEROXIDE DISMUTASE
периодические издания(Журналы)
0/0 Свободно
STADNIK I. L.
ESR-STUDY OF THE PROTON EXCHANGE WITH ALIPHATIC AMINO ACIDS IN TOLUENE
периодические издания(Журналы)
0/0 Свободно
AMIRKHANOVA ZH.
INFLUENCE OF FLAX SEEDS ON THE REPRODUCTION RATE OF LACTIC ACID BACILLI WHEN USED IN THE EXPERIMENT
периодические издания(Журналы)
0/0 Свободно
MEYRAMOV G. G.
THE BIOLOGICAL ROLE OF ZINC IN THE PANCREAS, PROSTATE AND IN SUBMANDIBULAR GLANDS AND INFLUENCE OF ITS COMPLEX SALTS WITH CHELATORS ON THE STATE OF GLANDS TISSUE
периодические издания(Журналы)
0/0 Свободно