Электронный каталог
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Жанр:Естественные науки (natural_sciences)
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221-230 из 266
периодические издания(Журналы)
EMIN ATASOY
Emin Atasoy, An emerging new tourism destination: geographic resources and tourism potential of the province of Masbate (Republic of the Philippines) [Text] / Emin Atasoy Hakan Önal // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 2 (147). - P. 107-134. - Bibliogr.: p. 131-132 ISSN 2616-6771.
УДК:
913
Предметная рубрика
- Regional geography
Аннотация
In this article, the main accommodation facilities, major nature reserves, islands and beaches within the borders of Masbate Province, as well as natural and cultural tourism attractions are examined
Ключевые слова
tourism attractions, international tourism, Philippine archipelago, geographic resources, tourism potential, географиялық ресурстар, туристік әлеует, географические ресурсы, туристический потенциал
Казахстаника
0/0 Свободно
периодические издания(Журналы)
RAKHYMZHAN ZH.
Rakhymzhan, Zh. Assessment of the ecological state of salinized lands on the territory of Kazakhstan [Text] / Zh. Rakhymzhan, A. D. Rakhisheva , Z. Zh. Nurgaliyeva [et al.] // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 2 (147). - P. 150-162. - Bibliogr.: p. 158-160 ISSN 2616-6771.
УДК:
504
Предметная рубрика
- The environment and its protection
Аннотация
A map of soil salinization on the territory of Kazakhstan was made, which indicates that saline soils cover approximately 85% of the land area in Kyzylorda region (20.3 million hectares) out of a total of 22.6 million hectares of saline soils
Ключевые слова
soil salinization, biodiversity, environmental factors, halophytes, agriculture, environmental degradation, топырақтың сортаңдануы, засоление почв
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KADYRBEKOV R. KH.
Kadyrbekov, R. Kh. Adenophoraphis, a new aphid genus from Kazakhstan (Hemiptera: Aphididae: Macrosiphini) [Text] / R. Kh. Kadyrbekov // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - Vol. 29, № 3 (115). - P. 45-50. - Bibliogr.: p. 48-49 ISSN 2518-7201.
УДК:
595.752
Предметная рубрика
- Phytophtires
Аннотация
Plant taxonomy were verified according to POWO. Descriptions of the related genera were studied too
Ключевые слова
aphids, Adenophoraphis, A. burabaica, Aphididae, Kazakh uplands, бітелер, тли
Казахстаника
0/0 Свободно
периодические издания(Журналы)
BALAN M.
Balan, M. Advances in nickel hydroxide: structures and modern applications (review) [Text] / M. Balan // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 3 (148). - P. 24-37. - Bibliogr.: p. 33-36 ISSN 2616-6771.
УДК:
549.52:546.74
Предметная рубрика
- Nickel hydroxide
Аннотация
The article discusses the physical properties of nickel hydroxide, including its magnetic, vibrational, optical, electrical and mechanical properties
Ключевые слова
battery technologies, electrocatalysis, photocatalysis, nanostructures, supercapacitors, electrochemical sensors, microwave-assisted synthesis, sonochemistry, electrochromic devices, никель гидроксиді, гидроксид никеля
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ZHANGOZHINA G. M.
Zhangozhina, G. M. Analysis of long-term dynamics of air temperature fluctuations in the Nura River basin [Text] / G. M. Zhangozhina, K. D. Kenzhina , D. Y. Sailauov [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 3 (115). - P. 135-142. - Bibliogr.: p. 141 ISSN 2518-7201.
УДК:
551.5
Предметная рубрика
- Meteorology
Аннотация
This article examines the trend of changes in temperature fluctuations over a long period using materials from a separate climate element from the Besoba and Karaganda meteorological stations located in the Nura River basin and the Arkalyk meteorological station located outside the basin, to the west of it, but characterized by similar natural conditions
Ключевые слова
atmospheric air temperature, cumulative frequency, long-term constant, dynamics of temperature fluctuations, ауа температурасының ауытқуы, динамика температурного колебания
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MARTYNOVA E. N.
Martynova, E. N. Assessment of the effect of humates produced by "Shubarkol Komir" JSC on germination of vegetable seeds [Text] / E. N. Martynova, S. E. Dadyka , I. A. Safronova [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 4 (116). - P. 70-76. - Bibliogr.: p. 74 ISSN 2518-7201.
УДК:
547.992.2
Предметная рубрика
- Humic preparations
Аннотация
The purpose of the work was to study the effect of humates produced by "Shubarkol Komir" JSC on germination of seeds of some vegetable plants
Ключевые слова
seed material, vegetable crops, pre-sowing soaking, germination energy, гуминдік препараттар, гуминовые препараты
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SALEHI F.
Salehi, F. Assessment of the soil erosion and water quality state in the downstream portion of Syrdarya using the water water quality index arithmetic method [Text] / F. Salehi, M. Kussainova // Почвоведение и агрохимия. - 2023. - № 4. - 95-107 р.. - Bibliogr.: 104-105 р.
ISSN 1999-740Х.
УДК:
543.3
Предметная рубрика
- Water analysis
Аннотация
The article presents studies of the relationship between water quality and soil erosion in the Syrdarya river basin
Ключевые слова
soil erosion, water quality, Syrdarya, water quality index, effects of soil erosion, water analysis
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KANABEKOVA P.
Kanabekova, P. Applications of Nanofiber Membranes in Microphysiological Systems [Text] / P. Kanabekova, A. Martin , A. Kemelbekova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 56-66. - Bibliogr.: p. 62-65 ISSN 2518-718Х.
УДК:
544.42
Предметная рубрика
- Formal kinetics
Аннотация
This review focuses on the use of electrospun nanofiber membranes as a functional basement membrane which plays a central role in the development of lung-on-a- chip platforms
Ключевые слова
microfluidics, microphysiological, nanofiber, basement membrane, electrospinning, lung-on-chip, polycaprolactone, adherent junction
0/0 Свободно
периодические издания(Журналы)
ZHUBANOV A. A.
Zhubanov, A. A. Amidation of Polyethylene-Acrylic Acid Copolymer as Pour Point Depressants for Waxy Crude Oils [Text] / A. A. Zhubanov, V. G. Bondaletov , S. S. Kozhabekov [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 150-157. - Bibliogr.: p. 156-157 ISSN 2518-718Х.
УДК:
665.7.038.64
Предметная рубрика
- Index additives (increasing viscosity index). Depressant additives (reducing the pour point)
Аннотация
The present work aims to provide amine-modified polyethylene-acrylic acid (PEAA) copolymers as a pour point depressant (PPD) that will be evaluated for lower pour point of crude oil
Ключевые слова
polyethylene-acrylic acid , crude oil, copolymers, pour point depressant , flow, primary amines
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MASHENTSEVA A. A.
Mashentseva, A. A. Application of the Cu@PET Composite Track-Etched Membranes for Catalytic Removal of Cr(VI) Ions [Text] / A. A. Mashentseva, N. A. Aimanova; N. Parmanbek [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 227-238. - Bibliogr.: р. 235-237 ISSN 2518-718Х.
УДК:
544.478
Предметная рубрика
- Catalysts
Аннотация
This research examines the features of obtaining composite track-etched membranes based on copper microtubes using various compositions of a deposition solution and various types of reducing agents, such as formaldehyde, dimethylamine borane, glyoxylic acid
Ключевые слова
composite track-etched membranes, catalysts, copper microtubes, chromium removal, template synthesis, electroless plating
Казахстаника
0/0 Свободно
EMIN ATASOY
AN EMERGING NEW TOURISM DESTINATION: GEOGRAPHIC RESOURCES AND TOURISM POTENTIAL OF THE PROVINCE OF MASBATE (REPUBLIC OF THE PHILIPPINES)
периодические издания(Журналы)
0/0 Свободно
RAKHYMZHAN ZH.
ASSESSMENT OF THE ECOLOGICAL STATE OF SALINIZED LANDS ON THE TERRITORY OF KAZAKHSTAN
периодические издания(Журналы)
0/0 Свободно
KADYRBEKOV R. KH.
ADENOPHORAPHIS, A NEW APHID GENUS FROM KAZAKHSTAN (HEMIPTERA: APHIDIDAE: MACROSIPHINI)
периодические издания(Журналы)
0/0 Свободно
BALAN M.
ADVANCES IN NICKEL HYDROXIDE: STRUCTURES AND MODERN APPLICATIONS (REVIEW)
периодические издания(Журналы)
0/0 Свободно
ZHANGOZHINA G. M.
ANALYSIS OF LONG-TERM DYNAMICS OF AIR TEMPERATURE FLUCTUATIONS IN THE NURA RIVER BASIN
периодические издания(Журналы)
0/0 Свободно
MARTYNOVA E. N.
ASSESSMENT OF THE EFFECT OF HUMATES PRODUCED BY "SHUBARKOL KOMIR" JSC ON GERMINATION OF VEGETABLE SEEDS
периодические издания(Журналы)
0/0 Свободно
SALEHI F.
ASSESSMENT OF THE SOIL EROSION AND WATER QUALITY STATE IN THE DOWNSTREAM PORTION OF SYRDARYA USING THE WATER WATER QUALITY INDEX ARITHMETIC METHOD
периодические издания(Журналы)
0/0 Свободно
KANABEKOVA P.
APPLICATIONS OF NANOFIBER MEMBRANES IN MICROPHYSIOLOGICAL SYSTEMS
периодические издания(Журналы)
0/0 Свободно
ZHUBANOV A. A.
AMIDATION OF POLYETHYLENE-ACRYLIC ACID COPOLYMER AS POUR POINT DEPRESSANTS FOR WAXY CRUDE OILS
периодические издания(Журналы)
0/0 Свободно
MASHENTSEVA A. A.
APPLICATION OF THE CU@PET COMPOSITE TRACK-ETCHED MEMBRANES FOR CATALYTIC REMOVAL OF CR(VI) IONS
периодические издания(Журналы)
0/0 Свободно