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Жанр:Естественные науки (natural_sciences)
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321-330 из 359
периодические издания(Журналы)
BITMANOV YE.
Bitmanov, Ye. The content of heavy metals in the soil of central Kazakhstan [Text] / Ye. Bitmanov, A. Abzhalelov , L. Boluspayeva // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2022. - № 3. - P. 5-14. - Bibliogr.: p. 13-14 ISSN 2224-5227.
УДК:
504.53:631.4
Предметная рубрика
- Soil pollution. Soil research
Аннотация
The article provides comparative data on the content of such heavy metals as chromium, zinc and lead for 2019 and 2020 in several cities of the Akmola region
Ключевые слова
heavy metals, pollutants, ecology, environment, топырақтағы ауыл металдар, топырақтың ластануы, тяжелые металлы, загрязнители почвы
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AYAZBAYEVA A. YE.
Ayazbayeva, A. Ye. Temperature and salt responsivity of anionic, cationic and amphoteric nanogels based on n-isopropylacrylamide, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt and (3-acrylamidopropyl) trimethylammonium chloride [Text] / A. Ye. Ayazbayeva, A. V. Shakhvorostov , S. E. Kudaibergenov // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 14-24. - Bibliogr.: p. 22-23 ISSN 2518-718Х.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
Three different nanogels possessing anionic, cationic and amphoteric character were synthesized via conventional redox initiated free radical copolymerization of N-isopropylacrylamide, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt and (3-acrylamidopropyl) trimethylammonium chloride
Ключевые слова
polyampholyte nanogels, poly-N-isopropylacrylamide, ionic monomers, volume phase transition temperature, amphoteric nanogel, cationic nanogel
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ZHAPBASBAYEV U.
Zhapbasbayev, U. Transition of a Newtonian fluid to a viscoplastic state [Text] / U. Zhapbasbayev, M. Pakhomov , D. Bossinov // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2022. - № 3. - P. 92-102. - Bibliogr.: p. 102 ISSN 2224-5227.
УДК:
532.542:665.71
Предметная рубрика
- The movement of liquids in pipelines. Petrochemical products
Аннотация
In the zone of yield stress, oil does not flow, which causes an increase in flow velocity in the central part of the pipeline. Such a complex structure of a non-isothermal waxy oil flow is investigated using the RANS turbulence model
Ключевые слова
waxy oil, Newtonian fluid, viscoplastic state, RANS turbulence model, парафинді мұнай, Ньютон сұйықтығы, парафинистая нефть, ньютоновская жидкость
Казахстаника
0/0 Свободно
периодические издания(Журналы)
CHEKANOVA L. G.
Chekanova, L. G. The Selection of Reagents for Ionic Flotation of Non-Ferrous Metals in the Series of N-Acyl-N'-Mezylhydrazines [Text] / L. G. Chekanova, V. N. Vaulina , Yu. B. Elchischeva [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 171-181. - Bibliogr.: p. 180-181 ISSN 2518-718Х.
УДК:
547
Предметная рубрика
- Organic chemistry
Аннотация
A series of new ligands — N-acyl-N'-mesylhydrazines — of the general formula RC(O)NHNHSO2CH3 has been obtained and considered as reagents for ionic flotation of non-ferrous metals (M(II)
Ключевые слова
ionic flotation, precipitate flotation, sulfonylhydrazines, non-ferrous metals, physico-chemical properties, surface-active substances
Казахстаника
0/0 Свободно
периодические издания(Журналы)
BELKOZHAYEV A. M.
Belkozhayev, A. M. The interaction of miR-4258, miR-3960, miR-211-3p AND miR-3155b with mRNAs genes of non-polyglutamine trinucleotide disorders [Text] / A. M. Belkozhayev, R. Ye. Niyazova // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 1 (337). - P. 25-32. - Bibliogr.: p. 32 ISSN 2224-5308.
УДК:
577.21
Предметная рубрика
- The molecular biology of the gene. Molecular genetics
Аннотация
Trinucleotide repeat expansion disorders constitute a group of dominantly inherited neurological diseases that are incurable and ultimately fatal. In the present work, miRNA binding sites were predicted by the MirTarget program
Ключевые слова
miRNA, mRNA, binding site, trinucleotide repeat expansion, тринуклеотидті қайталанатын экспансия, тринуклеотидтік бұзылысты гендер, тринуклеотидные повторы
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MAZAKOV T. ZH.
Mazakov, T. Zh. The image processing algorithms for biometric identification by fingerprints [Text] / T. Zh. Mazakov, Sh. A. Jomartova , T. S. Shormanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2016. - I бөлім. - № 2 (111). - P. 14-22. - Bibliogr.: p. 21-22 ISSN 2224-5278.
УДК:
51-7:004.6
Предметная рубрика
- The application of mathematical research methods in other fields of knowledge. Data
Аннотация
The article discusses image processing algorithms for biometric fingerprint identification. This study used a database of photographs obtained from open sources – the Fingerprint Verification Competition 2004 (FVC2004)
Ключевые слова
biometrics, fingerprints, identification signs, biometric personality identification, BRIEF descriptors, Hessian matrix, biometric scanner, FPM10A module, Laplace pyramid, octave, electronic fingerprint, биометрия, электронды саусақ ізі, электронная дактилокарта
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ONORKULOV K.
Onorkulov, K. Technology for obtaining anomalous photovoltaic effect films from cadmium halides and on the nature of Microphotocells [Text] / K. Onorkulov, A. Zokirov // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Физика. Астрономия сериясы. - 2023. - № 2. - Р. 16-23. - Bibliogr.: р. 20-21 ISSN 2616-6836.
УДК:
53
Предметная рубрика
- Рhysics
Аннотация
This article discusses the technology of obtaining anomalous photovoltaic (APV) effect films from cadmium halides
Ключевые слова
anomalous photovoltaic effect, cadmium halides, film deposition, stoichiometry, dispersion evaporation, еxplosive evaporation, acoustic faraday effect, selenium films
Казахстаника
0/0 Свободно
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.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 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)
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.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 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)
SHLYAPOV R. M.
Shlyapov, R. M. Thermodynamics of chalcocite dissolving in solutions of flotation reagents [Text] / R. M. Shlyapov, Sh. K. Amerkhanova , А. S. Uali [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 122-130. - Bibliogr.: p. 128-129 ISSN 2518-718Х.
УДК:
543.42
Предметная рубрика
- Spectral analysis
Аннотация
This work describes the formation of the ionic composition of the sorption layer during the concentration ofcopper-lead and pyrite-copper-zinc ore
Ключевые слова
flotation, hydrophobicity, sorption layer of collector, flotation reagents, sulfide minerals
Казахстаника
0/0 Свободно
BITMANOV YE.
THE CONTENT OF HEAVY METALS IN THE SOIL OF CENTRAL KAZAKHSTAN
периодические издания(Журналы)
0/0 Свободно
AYAZBAYEVA A. YE.
TEMPERATURE AND SALT RESPONSIVITY OF ANIONIC, CATIONIC AND AMPHOTERIC NANOGELS BASED ON N-ISOPROPYLACRYLAMIDE, 2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID SODIUM SALT AND (3-ACRYLAMIDOPROPYL) TRIMETHYLAMMONIUM CHLORIDE
периодические издания(Журналы)
0/0 Свободно
периодические издания(Журналы)
0/0 Свободно
CHEKANOVA L. G.
THE SELECTION OF REAGENTS FOR IONIC FLOTATION OF NON-FERROUS METALS IN THE SERIES OF N-ACYL-N'-MEZYLHYDRAZINES
периодические издания(Журналы)
0/0 Свободно
BELKOZHAYEV A. M.
THE INTERACTION OF MIR-4258, MIR-3960, MIR-211-3P AND MIR-3155B WITH MRNAS GENES OF NON-POLYGLUTAMINE TRINUCLEOTIDE DISORDERS
периодические издания(Журналы)
0/0 Свободно
MAZAKOV T. ZH.
THE IMAGE PROCESSING ALGORITHMS FOR BIOMETRIC IDENTIFICATION BY FINGERPRINTS
периодические издания(Журналы)
0/0 Свободно
ONORKULOV K.
TECHNOLOGY FOR OBTAINING ANOMALOUS PHOTOVOLTAIC EFFECT FILMS FROM CADMIUM HALIDES AND ON THE NATURE OF MICROPHOTOCELLS
периодические издания(Журналы)
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
RYABYKH A. V.
THE ROLE OF ZINC ION IN THE ACTIVE SITE OF COPPER-ZINC SUPEROXIDE DISMUTASE
периодические издания(Журналы)
0/0 Свободно
SHLYAPOV R. M.
THERMODYNAMICS OF CHALCOCITE DISSOLVING IN SOLUTIONS OF FLOTATION REAGENTS
периодические издания(Журналы)
0/0 Свободно