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Genre:Естественные науки (natural_sciences)
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221-230 of 266
periodical press (Magazines)
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.
UDC:
913
Subject headings
- Regional geography
Annotation
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
Keywords
tourism attractions, international tourism, Philippine archipelago, geographic resources, tourism potential, географиялық ресурстар, туристік әлеует, географические ресурсы, туристический потенциал
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
504
Subject headings
- The environment and its protection
Annotation
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
Keywords
soil salinization, biodiversity, environmental factors, halophytes, agriculture, environmental degradation, топырақтың сортаңдануы, засоление почв
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
595.752
Subject headings
- Phytophtires
Annotation
Plant taxonomy were verified according to POWO. Descriptions of the related genera were studied too
Keywords
aphids, Adenophoraphis, A. burabaica, Aphididae, Kazakh uplands, бітелер, тли
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
549.52:546.74
Subject headings
- Nickel hydroxide
Annotation
The article discusses the physical properties of nickel hydroxide, including its magnetic, vibrational, optical, electrical and mechanical properties
Keywords
battery technologies, electrocatalysis, photocatalysis, nanostructures, supercapacitors, electrochemical sensors, microwave-assisted synthesis, sonochemistry, electrochromic devices, никель гидроксиді, гидроксид никеля
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
551.5
Subject headings
- Meteorology
Annotation
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
Keywords
atmospheric air temperature, cumulative frequency, long-term constant, dynamics of temperature fluctuations, ауа температурасының ауытқуы, динамика температурного колебания
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
547.992.2
Subject headings
- Humic preparations
Annotation
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
Keywords
seed material, vegetable crops, pre-sowing soaking, germination energy, гуминдік препараттар, гуминовые препараты
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
543.3
Subject headings
- Water analysis
Annotation
The article presents studies of the relationship between water quality and soil erosion in the Syrdarya river basin
Keywords
soil erosion, water quality, Syrdarya, water quality index, effects of soil erosion, water analysis
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
544.42
Subject headings
- Formal kinetics
Annotation
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
Keywords
microfluidics, microphysiological, nanofiber, basement membrane, electrospinning, lung-on-chip, polycaprolactone, adherent junction
0/0 Free
periodical press (Magazines)
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.
UDC:
665.7.038.64
Subject headings
- Index additives (increasing viscosity index). Depressant additives (reducing the pour point)
Annotation
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
Keywords
polyethylene-acrylic acid , crude oil, copolymers, pour point depressant , flow, primary amines
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
544.478
Subject headings
- Catalysts
Annotation
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
Keywords
composite track-etched membranes, catalysts, copper microtubes, chromium removal, template synthesis, electroless plating
Kazakhstan
0/0 Free
EMIN ATASOY
AN EMERGING NEW TOURISM DESTINATION: GEOGRAPHIC RESOURCES AND TOURISM POTENTIAL OF THE PROVINCE OF MASBATE (REPUBLIC OF THE PHILIPPINES)
periodical press (Magazines)
0/0 Free
RAKHYMZHAN ZH.
ASSESSMENT OF THE ECOLOGICAL STATE OF SALINIZED LANDS ON THE TERRITORY OF KAZAKHSTAN
periodical press (Magazines)
0/0 Free
KADYRBEKOV R. KH.
ADENOPHORAPHIS, A NEW APHID GENUS FROM KAZAKHSTAN (HEMIPTERA: APHIDIDAE: MACROSIPHINI)
periodical press (Magazines)
0/0 Free
BALAN M.
ADVANCES IN NICKEL HYDROXIDE: STRUCTURES AND MODERN APPLICATIONS (REVIEW)
periodical press (Magazines)
0/0 Free
ZHANGOZHINA G. M.
ANALYSIS OF LONG-TERM DYNAMICS OF AIR TEMPERATURE FLUCTUATIONS IN THE NURA RIVER BASIN
periodical press (Magazines)
0/0 Free
MARTYNOVA E. N.
ASSESSMENT OF THE EFFECT OF HUMATES PRODUCED BY "SHUBARKOL KOMIR" JSC ON GERMINATION OF VEGETABLE SEEDS
periodical press (Magazines)
0/0 Free
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
periodical press (Magazines)
0/0 Free
KANABEKOVA P.
APPLICATIONS OF NANOFIBER MEMBRANES IN MICROPHYSIOLOGICAL SYSTEMS
periodical press (Magazines)
0/0 Free
ZHUBANOV A. A.
AMIDATION OF POLYETHYLENE-ACRYLIC ACID COPOLYMER AS POUR POINT DEPRESSANTS FOR WAXY CRUDE OILS
periodical press (Magazines)
0/0 Free
MASHENTSEVA A. A.
APPLICATION OF THE CU@PET COMPOSITE TRACK-ETCHED MEMBRANES FOR CATALYTIC REMOVAL OF CR(VI) IONS
periodical press (Magazines)
0/0 Free