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Early Neoproterozoic Granite-Gneisses of the Junggar Alataw(Southeastern Kazakhstan):Age,Petrogenesis and Tectonic Implications
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作者 Nadezhda KANYGINA Andrey TRETYAKOV +4 位作者 Dmitriy ALEXEIEV Kirill DEGTYAREV Anfisa SKOBLENKO Natalia SOLOSHENKO Boris ERMOLAEV 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2024年第1期67-82,共16页
The combined petrographic,petrological,geochemical and geochronological study of the Neoproterozoic gneisses of the Sarychabyn and Baskan complexes of the Junggar Alataw of South Kazakhstan elucidate the Precambrian t... The combined petrographic,petrological,geochemical and geochronological study of the Neoproterozoic gneisses of the Sarychabyn and Baskan complexes of the Junggar Alataw of South Kazakhstan elucidate the Precambrian tectonic evolution of the Aktau–Yili terrane.It is one of the largest Precambrian crustal blocks in the western Central Asian orogenic belt.The U-Pb single-grain zircon ages indicate that granite-gneisses formed from the same source and crystallised in the early Neoproterozoic ca.930–920 Ma.The chemical composition of gneisses corresponds to A2-type granites.The whole-rock Nd isotopic characteristics(εNd(t)=−4.9 to−1.0 and TNd(DM-2st)=1.9 to 1.7 Ga)indicate the involvement of Paleoproterozoic crustal rocks in magma generation.Early Neoproterozoic ca.930–920 Ma A-type granitoids in the Aktau–Yili terrane of South and Central Kazakhstan might reflect within-plate magmatism adjacent to the collisional belt or a local extension setting in back-arc areas of the continental arc. 展开更多
关键词 granitoid magmatism geochemistry geochronology Sm-Nd isotope systematics NEOPROTEROZOIC Junggar Alataw kazakhstan Central Asian orogenic belt
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Ecological Niche Modelling Reveals the Peculiarities of Ecological Disjunction Between Two Sympatric Racerunners in Kazakhstan:Eremias lineolata(Nikolsky,1897)and Eremias scripta(Strauch,1867)
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作者 Marina A.CHIRIKOVA Dmitry V.MALAKHOV 《Asian Herpetological Research》 SCIE CSCD 2023年第2期123-137,共15页
The ecological-niche models for two sympatric species,Eremias lineolata(Nikolsky,1897)and Eremias scripta(Strauch,1867),reveal evidence of spatial and temporal disjunction in the actual niches of both species.Eremias ... The ecological-niche models for two sympatric species,Eremias lineolata(Nikolsky,1897)and Eremias scripta(Strauch,1867),reveal evidence of spatial and temporal disjunction in the actual niches of both species.Eremias lineolata demonstrates a wide range of adaptations and,at the same time,has a greater need for winter precipitation and minimal temperature than E.scripta.Possible explanations for the thermal diversity of both species are provided.Thermal variables(monthly temperatures,monthly solar radiation,etc.)are traditionally important for ectotherm animals.Interestingly,as many as half of the key variables in both species are related to different aspects of environmental water balance(precipitation,air humidity,vapor pressure).There are several ways in which moisture may impact the lizard’s life cycle.Soil humidity is related to soil temperature and may be important during winter hibernation.In summer,soil humidity may support successful embryogenesis.Precipitation during the warm months is a key factor in maintaining the moisture content of the soil.In winter,snow cover provides a better thermal balance of the soil’s top layers where winter shelters are housed.Ecological niche modeling(ENM)is an interdisciplinary approach combining the geographical,climatic,ecological,and biological aspects of the wellbeing of species.This interdisciplinary approach lifts biological studies onto a new,integrative level,providing a comprehensive view on species biology and answering the questions that might not be answered if the traditional methods for studying animals were used alone. 展开更多
关键词 ECOLOGY kazakhstan niche modelling racerunners species distribution
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Mortality Rates of Ventricular Septal Defect for Children in Kazakhstan: Spatio-Temporal Epidemiological Appraisal
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作者 Akkerbez Adilbekova Shukhrat Marassulov +2 位作者 Bakhytzhan Nurkeev Saken Kozhakhmetov Aikorkem Badambekova 《Congenital Heart Disease》 SCIE 2023年第4期447-459,共13页
Objective: The aim is to study the trends in ventricular septal defect (VSD) mortality in children in Kazakhstan.Methods: The retrospective study was done for the period 2011–2020. Descriptive and analytical methods ... Objective: The aim is to study the trends in ventricular septal defect (VSD) mortality in children in Kazakhstan.Methods: The retrospective study was done for the period 2011–2020. Descriptive and analytical methods of epidemiologywere applied. The universally acknowledged methodology used in sanitary statistics is used to calculatethe extensive, crude, and age-specific mortality rates. Results: Kazakhstan is thought to be seeing an increase inmortality from VSDs in children. As a result, this study for the years 2011 to 2020 was conducted to retrospectivelyassess data from the central registration of the Bureau of National Statistics that was available throughoutthe nation. Age-standardized mortality data were obtained and compared between age categories. It was shownthat 507 children died from this condition throughout the time period under study. The average annual standardizedmortality rate was 1.88 per 100,000 population and tended to decrease over time. The peak of mortality wasnoted at the age of up to 1 year, namely the neonatal period. Cartogram mortality rates were calculated usingstandardized indicators. Additionally, age-sex variations were taken into account when performing all calculations.Conclusion: In recent years, the death rate from VSD has declined from 1.5 to 0.6 per 100,000 people, withthe trend remaining constant (T = 1.4%, R^(2) = 0.5825). The analysis of mortality trends related to VSD is crucial inboth theoretical and practical aspects, as it enables early detection and treatment of VSDs. The findings of thisstudy will be valuable to public health authorities in developing a strategy to treat VSDs effectively. 展开更多
关键词 Ventricular septal defect children mortality geographical variation kazakhstan
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How Attitudes towards Air Pollution May Impact Public Health: A Case Study of Almaty, Kazakhstan
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作者 Alua Bekbossynova Dinissa Duvanova +3 位作者 Niko Jones Kate Lyden Tess McGinley Hannah Moss 《Journal of Environmental Protection》 2023年第7期583-601,共19页
Using an original public opinion survey, we study public attitudes and behaviors toward air pollution in Almaty, Kazakhstan. In the Health Belief Model (HBM) framework previously used to understand an individual’s he... Using an original public opinion survey, we study public attitudes and behaviors toward air pollution in Almaty, Kazakhstan. In the Health Belief Model (HBM) framework previously used to understand an individual’s health decision-making, we evaluate citizens’ awareness of the poor air quality, their perception of risk, and their willingness to devote time and resources to reduce their air pollution exposure. We find that although citizens are aware of the gravity and general harms of air pollution, they significantly underestimate their individual health risks, and, as a result, often engage in daily routines that exacerbate their exposure to pollution. We find that behaviors increasing the risk of pollution exposure are related to the underlying beliefs about personal health risks, self-efficacy, and material and economic limitations. This means that treating pollution as an individual health problem rather than social issue in public discourse may promote behaviors reducing exposure and improving personal and public health outcomes. 展开更多
关键词 HBM Air Pollution ENVIRONMENT Public Opinion Public Health kazakhstan Almaty
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The“Uyghur Issue”From the Kazakhstan Perspective
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作者 Vita Golod 《Cultural and Religious Studies》 2023年第9期429-443,共15页
The Uyghur ethnic identity and their autochthony of Xinjiang continue to be a subject of academic discussions.However,Chinese authorities as well as Chinese scholars have a permanent position on these matters and reje... The Uyghur ethnic identity and their autochthony of Xinjiang continue to be a subject of academic discussions.However,Chinese authorities as well as Chinese scholars have a permanent position on these matters and reject any alternatives.The“Uyghur issue”has already become a part of the geopolitical game impacting world politics and academia as well.Kazakhstan is a good example of this influence.It has a long common border with northwestern China,a large Uyghur diaspora,and historical connections with Xinjiang.Nonetheless,academia nowadays puts Uyghur Studies in a peripheral position,first of all,because of the geopolitical factor.In this article,I focus on the Uyghurs’ethnic identity and autochthony of Xinjiang based on the historical background of this region covered by Kazakhs and other international historians.It helped me identify the origin of the“Uyghur issue”in the modern context,which explains why there is no global consensus on who the modern Uyghurs are and whether they have the right to claim independence of the territory of modern Xinjiang.During Xi Jinping’s era,control over Xinjiang has sharply strengthened and Kazakhstan has conspicuously showed solidarity with the People’s Republic of China(PRC).The Uyghurs’separatist aspirations are practically suppressed,but the voices of human rights supporters and Western academia have become louder,attracting the attention of the world community to the“Uyghur issue”. 展开更多
关键词 XINJIANG Uyghurs kazakhstan Tarim Basin Central Asia
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Migration and accumulation of heavy metals in disturbed landscapes in developing ore deposits, East Kazakhstan 被引量:4
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作者 Gulzhan BEISEYEVA Jilili ABUDUWALI 《Journal of Arid Land》 SCIE CSCD 2013年第2期180-187,共8页
This paper studied the contents of heavy metals and their accumulation in the disturbed landscapes in ore deposits of East Kazakhstan. A total of 14 sites were examined in Zyrynovsky and Tishinsk deposits and Ridder t... This paper studied the contents of heavy metals and their accumulation in the disturbed landscapes in ore deposits of East Kazakhstan. A total of 14 sites were examined in Zyrynovsky and Tishinsk deposits and Ridder town, and 50 soil samples were taken. Results indicated that the contents of heavy metals in the soil reached the maximum permissible concentration. Emissions of the zinc plant negatively affected the soil of nearby territories. In the remediated areas, a high concentration of heavy metals was observed at a depth where the bulk soil borders the rock. Accumulation of heavy metals on the surface of the remediated areas occurred due to biological accumulation in the plant. Plants transmitted heavy elements through the root system to the upper vegetative organs, making them accumulate in the upper layers of the soil. The heavy metals migrated and accumulated from the lower layers to the surface layers of the soil. The absence of soil meso-fauna resulted in the contamination of soil by heavy metals. The analysis of water samples, taken from the waste storages and the waste waters with heavy metals in the Zyryanovsk deposit and Ridder town, revealed severe water contamination. 展开更多
关键词 disturbed lands dumps waste storage heavy metals ACCUMULATION MIGRATION East kazakhstan
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The Study of Trade Relationship between Kazakhstan and China
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作者 Yerzhigit 《International English Education Research》 2016年第7期17-19,共3页
To explore the momentum and direction of the bilateral trade and economic sustainable development, make a comprehensive study on the economic and trade relations between China and Kazakhstan from multiple angles. In c... To explore the momentum and direction of the bilateral trade and economic sustainable development, make a comprehensive study on the economic and trade relations between China and Kazakhstan from multiple angles. In comparison, the China-Kazakh economic and trade relations between the two countries is close, the investment partnership is relatively stable, there are good prospects for trade and economic cooperation; However. the economic and trade relations between China and Kazakhstan have a certain distance, in Bilateral trade structure still exist some problems. 展开更多
关键词 China and kazakhstan Trade relations Trade complementarity
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China Confirms to Participate in 2017 Astana Expo Held In Kazakhstan
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作者 Guo Yan 《China's Foreign Trade》 2015年第5期48-,共1页
On August 24,Jiang Zengwei-Chairman of China Council for the Promotion of International Trade (CCPIT),officially submitted in Beijing the confirmation documents for China’s participation in Astana Expo to Kazakh Firs... On August 24,Jiang Zengwei-Chairman of China Council for the Promotion of International Trade (CCPIT),officially submitted in Beijing the confirmation documents for China’s participation in Astana Expo to Kazakh First Deputy Foreign Minister Rapil Zhoshybayev,which signals that the preparation work for China to participate in Astana Expo has been officially initiated. 展开更多
关键词 In China Confirms to Participate in 2017 Astana Expo Held In kazakhstan
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The Opportunities, Challenges and Countermeasures of Energy Cooperation between China and Kazakhstan under the Background of "One Belt and One Road"
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作者 KARIPBEK ZHASSULAN 《International English Education Research》 2018年第3期17-19,共3页
Relative to countries such as Russia, the United States, and Europe, China has only recently occupied a place in the energy sector in Kazakhstan. However, after 10 years of hard work, China has come to the fore and th... Relative to countries such as Russia, the United States, and Europe, China has only recently occupied a place in the energy sector in Kazakhstan. However, after 10 years of hard work, China has come to the fore and the fierce energy competition in Kazakhstan has become an important energy trading partner of Central Asian countries. Therefore, we can learn a lot of experience and lessons from our emphasis on cooperation with China's energy trade and research in Central Asian countries. Against the backdrop of fierce international energy competition and the deep implementation of the "One Belt and One Road" initiative, it is like a double-edged sword for energy trade cooperation between China and Central Asian countries, problem. How China seizes opportunities, resolves challenges, and further deepens pragmatic cooperation in the energy sector with Central Asian countries so as to better protect the country' s energy security is a very real issue. 展开更多
关键词 One Belt One Road China and kazakhstan Energy Cooperation
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China Won the Bidding for Managing the Second Giant Oilfield of Kazakhstan
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《China Oil & Gas》 CAS 1997年第3期174-174,共1页
关键词 China Won the Bidding for Managing the Second Giant Oilfield of kazakhstan
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The relationship between energy consumption and economic growth and the development strategy of a low-carbon economy in Kazakhstan 被引量:7
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作者 XIONG Chuanhe YANG Degang +1 位作者 HUO Jinwei ZHAO Yannan 《Journal of Arid Land》 SCIE CSCD 2015年第5期706-715,共10页
Fossil energy is the material basis of human survival, economic development and social progress. The relationship between energy consumption and economic growth is becoming increasingly close. However, energy consumpt... Fossil energy is the material basis of human survival, economic development and social progress. The relationship between energy consumption and economic growth is becoming increasingly close. However, energy consumption is the major source of greenhouse gases, which can significantly affect the balance of the global ecosystem. It has become the common goal of countries worldwide to address climate change, reduce carbon dioxide emissions, and implement sustainable development strategies. In this study, we applied an approximate relationship analysis, a decoupling relationship analysis, and a trend analysis to explore the relationship between energy consumption and economic growth using data from Kazakhstan for the period of 1993-2010. The results demonstrated: (1) the total energy consumption and GDP in Kazakhstan showed a "U"-type curve from 1993 to 2010. This curve was observed because 1993-1999 was a period during which Kazakhstan transitioned from a republic to an independent country and experienced a difficult transition from a planned to a market economy. Then, the economic system became more stable and the industrial production increased rapidly because of the effective financial, monetary and industrial policy support from 2000 to 2010. (2) The relationships between energy con- sumption and carbon emissions, economic growth and energy exports were linked; the carbon emissions were mainly derived from energy consumption, and the dependence of economic growth on energy exports gradually increased from 1993 to 2010. Before 2000, the relationship between energy consumption and economic growth was in a recessional decoupling state because of the economic recession. After 2000, this relationship was in strong and weak decoupling states because the international crude oil prices rose and energy exports increased greatly year by year. (3) It is forecasted that Kazakhstan cannot achieve its goal of energy consumption by 2020. Therefore, a low-carbon economy is the best strategic choice to address climate change from a global perspective in Kazakhstan. Thus, we proposed strategies including the improvement of the energy consumption structure, the development of new energy and renewable energy, the use of cleaner production technologies, the adjustment and optimization of the industrial structure, and the expansion of forest areas. 展开更多
关键词 energy consumption economic growth the decoupling relationship analysis low-carbon economy kazakhstan
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Early Miocene flora of central Kazakhstan(Turgai Plateau) and its paleoenvironmental implications 被引量:4
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作者 Popova Svetlana Utescher Torsten +3 位作者 Averyanova Anna Tarasevich Valentina Tropina Polina Xing Yaowu 《Plant Diversity》 CAS CSCD 2019年第3期183-197,共15页
The investigation of the fossil floras from the Turgai plateau (central Kazakhstan) contributes to a better understanding of the origin of the temperate Turgai type flora which spread to Kazakhstan and adjacent areas ... The investigation of the fossil floras from the Turgai plateau (central Kazakhstan) contributes to a better understanding of the origin of the temperate Turgai type flora which spread to Kazakhstan and adjacent areas during the Oligocene-Miocene transition. In this paper, we present the results of a carpological and palynological study of the Kumyrtas flora collected from a flora-bearing horizon of the regional coalbearing Zhilanchik suite, dated to the Aquitanian period. Pollen analysis identified 33 taxa, with are dominated by angiosperms (about 73%) and reflect zonal vegetation. The high percentages of Betula (27%) and Pterocarya (7.5%) that were found in this flora allows comparisons with other Aquitanian floras of Kazakhstan. Based on descriptions of fossil fruits and seeds, we determined that 19 taxa were dominant;these taxa had meosphytic herbaceous components, suggesting mostly edaphic local conditions. The incongruence between the carpological and the pollen records suggests a significant taphonomical effect. Quantitative reconstruction of the palaeoclimate based on pollen records supports—and slightly extends—previous findings based on fossil leaf data, but contradicts findings deduced from the carpological record. Plant Functional Type (PFT) classification was used to characterize the vegetation patterns. Pollen records show that about 45% of diversity relates to the arboreal broadleaved deciduous components and ca. 35% to conifers. Fossil fruit and seed data indicate riverine vegetation with a high diversity of aquatic components and shrub stratum. 展开更多
关键词 kazakhstan Turgai FLORA Oligocenee-Miocene TRANSITION PALAEOCLIMATE reconstruction PFT
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Development of Magnesium-Dominant Soils Under Irrigated Agriculture in Southern Kazakhstan 被引量:9
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作者 A. KARIMOV M. QADIR +2 位作者 A. NOBLE F. VYSHPOLSKY K. ANZELM 《Pedosphere》 SCIE CAS CSCD 2009年第3期331-343,共13页
Irrational irrigation practices in the Arys Turkestan Canal command area in the southern part of Kazakhstan have led to the formation of soils with poor physical and chemical properties. To study whether irrigation an... Irrational irrigation practices in the Arys Turkestan Canal command area in the southern part of Kazakhstan have led to the formation of soils with poor physical and chemical properties. To study whether irrigation and leaching practices and/or groundwater rise have contributed to the accumulation of Mg2+ on the cation exchange complex of these soils, historical changes in soil and groundwater quality were used as source data and the Visual MINTEQ model was applied to analyze the chemical composition of water and soils in the study area. The imposed irrigation regime and the leaching of light sierosem soils led to the dissolution and subsequent leaching of inherent gypsum and organic matter from the soil profile. Further, the domination of bicarbonate in the irrigation water promoted weathering of the carbonate minerals present as calcite. The higher concentrations of Mg2+ in comparison to Ca2+ in the irrigation water resulted in the replacement of Na+ by Mg2+ on the cation exchange complex. In the lower part of the command area, shallow groundwater has contributed to the accumulation of Na+ and to a large extent of Mg2+ on the cation exchange sites. 展开更多
关键词 exchangeable magnesium high-magnesium soil and water kazakhstan land degradation
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Epidemiological Investigation of Fatty Liver Disease and Abnormal Liver Function in the Republic of Kazakhstan 被引量:1
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作者 Alexander V. Nersesov Aigul M. Raissova +2 位作者 Jamilya A. Kaibullayeva Almagul E. Jumabayeva Mariya S. Novitskaya 《Open Journal of Epidemiology》 2019年第4期309-320,共12页
Aim: Little is known about the epidemiology of fatty liver disease (FLD) among high-risk primary care subjects in Kazakhstan. We investigated the prevalence of FLD (alcoholic liver disease [ALD] and non-alcoholic fatt... Aim: Little is known about the epidemiology of fatty liver disease (FLD) among high-risk primary care subjects in Kazakhstan. We investigated the prevalence of FLD (alcoholic liver disease [ALD] and non-alcoholic fatty liver disease [NAFLD]) and abnormal liver function tests (LFTs) in high risk adults in Kazakhstan during their routine visit to the general practitioner. Methods: This multicenter, cross-sectional epidemiological study was carried out at 75 clinical sites in the Republic of Kazakhstan. The full analysis set population consisted of 5109 subjects. Results: Among type 2 diabetes mellitus (T2DM) subjects, established metabolic syndrome (MetS) and/or obese subjects, the prevalence of FLD was 30.8%. LFT abnormalities were found in 53.2% subjects with FLD and 40.0% without FLD. FLD subjects had significantly higher levels of alanine transaminase (ALT;p p p p = 0.021) compared to those without FLD. LFTs increases were significantly higher in subjects with FLD compared to those without FLD and were also significantly higher in ALD subjects compared to those with NAFLD. Conclusion: This study provides insights into the prevalence of FLD and abnormal LFTs in subjects with T2DM and/or established MetS and/or who are obese in primary care settings in Kazakhstan. These findings can help healthcare providers in Kazakhstan and elsewhere to better recognize and manage patients at risk of liver disease, which will improve clinical outcomes. 展开更多
关键词 FLD kazakhstan LIVER NAFLD PREVALENCE
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Rare Metal Deposits of East Kazakhstan: Geologic Position and Prognostic Criteria 被引量:1
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作者 Boris Dyachkov Natalya Zimanovskaya Indira Mataibayeva 《Open Journal of Geology》 2013年第7期404-409,共6页
In the article the features of the formation and metallogeny of the geological structures of Great Altai (Rudny Altai, Kalba-Narym, Western Kalba and Jarma-Saur) which are included into the system of the Central Asian... In the article the features of the formation and metallogeny of the geological structures of Great Altai (Rudny Altai, Kalba-Narym, Western Kalba and Jarma-Saur) which are included into the system of the Central Asian mobile belt are considered. The characteristic of the main types of rare metal minefields of the Kalba-Narymsky belt genetically connected with the Perm granitoid magmatism of the post-conflict orogenny stage of activization is given. The rhythmical and pulsation model of pegmatitovy ore formation in the conditions of the half-closed magmatic system, reflecting the phasic development of mineral complexes from graphic and oligoclase-microcline (barren) to microcline-albite and albite-spodumene ore (Ta, Nb, Be, Li, Sn, etc.) is developed. On the basis of the revealed criteria of ore formation recommendations about the direction of the further researches are made. 展开更多
关键词 Rare Metals PEGMATITE Albitite-Greisen Metasomatits Kalba-Narym Belt EAST kazakhstan
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Bioclimatic Modeling of the Potential Distribution of the Western Tien-Shan Endemic <i>Tulipa kaufmanniana</i>Regel (Uzbekistan, Kazakhstan) 被引量:1
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作者 Bekzod J. Mavlanov Ozodbek S. Abduraimov +2 位作者 Azizbek V. Mahmudov Akmal L. Allamuratov Odilbek T. Mamatkosimov 《American Journal of Plant Sciences》 2021年第10期1468-1477,共10页
The article analyzes the natural distribution area of the species <i>Tulipa kaufmanniana</i> Regel using the programs of type MaxEnt and ArcGis, the endemic of Central Asia (past, current, future). Accordi... The article analyzes the natural distribution area of the species <i>Tulipa kaufmanniana</i> Regel using the programs of type MaxEnt and ArcGis, the endemic of Central Asia (past, current, future). According to the results of the study, it is proved that the main distribution of the species coincides with the boundaries of the areali Tien-Shan mountain system (Uzbekistan, Kazakhstan). It is noted that the climatic factors that are optimal for the species are sufficient temperature and annual precipitation. 展开更多
关键词 T. kaufmanniana Regel TIEN-SHAN ENDEMIC Modeling TASH MaxЕnt Uzbekistan kazakhstan
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Epidemiology and transmission of hepatitis B and C viruses in Kazakhstan 被引量:1
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作者 Zhannat Z Nurgalieva F Blaine Hollinger +2 位作者 David Y Graham S Zhangabylova Abai Zhangabylov 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第8期1204-1207,共4页
AIM: To investigate the epidemiology of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection in the two major ethnic groups in Kazakhstan. METHODS: A cross-sectional prospective study of HBV and HCV seropreva... AIM: To investigate the epidemiology of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection in the two major ethnic groups in Kazakhstan. METHODS: A cross-sectional prospective study of HBV and HCV seroprevalence was performed among individuals born in Kazakhstan with no history of chronic hepatitis or liver disease. RESULTS: There were 290 volunteers (140 Russians and 150 Kazakhs) aged 10 to 64 years, males accounted for 46%. Active HBV infection (HBsAg positive) was present in 3.8%, anti-HBc in 30%. The prevalence was similar in females and males (33% vs 25%) (P = 0.18). The prevalence of anti-HBc increased from 19% in 10-29 years old volunteers to 53% in 50-years and older volunteers. The prevalence of HBV infection was higher in married than in single adults (38% vs 26%, respectively) (P = 0.2) and more common in Kazakhs (35%) than in Russians (24%) (P = 0.07). HCV infection was present in 9 subjects (3.2%), 5 of them also were positive for anti-HBc in the absence of HBsAg. CONCLUSION: The frequency of active HBV infection (3.8%) coupled with a high prevalence of HBV exposure in those > 50 years of age increases with age, which suggests that horizontal transmission likely relates tothe use of contaminated needles. The low prevalence of HCV infection suggests that HBV and HCV are acquired differently in this group of subjects. 展开更多
关键词 Viral hepatitis B Viral hepatitis C Hepatitis B virus TRANSMISSION EPIDEMIOLOGY SERO-EPIDEMIOLOGY kazakhstan
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Research on Design and Management of Community-Based Ecotourism Model in Aksu-Zhabagly Nature Reserve of Kazakhstan 被引量:1
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作者 Imanaly Akbar Sholpan Abdreyeva +2 位作者 Alexandr Artemyev Markhaba Тumazhanova Gulnar Orynbasarova 《Journal of Geoscience and Environment Protection》 2022年第4期33-48,共16页
This study investigates the community-based ecotourism (CBE) model using a sample of the Aksu-Zhabagly nature reserve (NR). The aim is to propose a suitable CBE model for Aksu-Zhabgly nature-based tourism destinations... This study investigates the community-based ecotourism (CBE) model using a sample of the Aksu-Zhabagly nature reserve (NR). The aim is to propose a suitable CBE model for Aksu-Zhabgly nature-based tourism destinations by employing a combination of field observation, examination, evaluation, and SWOT analysis. The study determines the strategic suggestions for CBE model designing by the results of SWOT analysis. It concludes that convenient transportation and superior location, diversified wild animals and plants, rich in ethnocultural resources, traditional and tranquil life in a typical rural setting, hospitality and positive attitude of locals to tourism and great potential of the region for sustainable development of ecotourism are the strengths. At the same time, the far residential location from the provincial cities, low-quality service, outdated facilities and shortage of skilled employees in tourism management are the main weakness. Another group of constraints to tourism development is lack of tourism marketing and promotion agencies, lack of transparency, poor institution arrangement and corruption, and lack of preferential policies for CBE development. Finally, the paper recommends that economic development, environmental protection, culture and heritage, marketing and image, favorable political environment, and local residents’ empowerment are the main essential to effectively implement the sustainable development of CBE in the Aksu-Zhabagly tourist destination. 展开更多
关键词 MANAGEMENT Community-Based Ecotourism MODEL Aksu-Zhabagly Nature Reserve kazakhstan
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Palynological characteristics of Kazakhstan Province of Carboniferous Euramerican Region 被引量:1
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作者 Maya V.Oshurkova 《Global Geology》 2012年第1期1-12,共12页
The paper presents results of palynological studies of the coal-bearing Carboniferous in Central Kazakhstan. A quantitative dynamics of major genera of miospores reflects an overall succession of the Carboniferous mio... The paper presents results of palynological studies of the coal-bearing Carboniferous in Central Kazakhstan. A quantitative dynamics of major genera of miospores reflects an overall succession of the Carboniferous miospore assemblages. Visean Serpukhovian assemblages are dominanted by Lophozonotriletes fuscatus, Acanthozonotriletes cristifer, A. inclusus, Punctatisporites glabratus, Crassispora ignorata, C. scrupea, Cyclobaculisporites trichacanthus, Lycospora breviapiculata, L. echinata and Vallatisporites decrescens. Rare Punctatisporites bertschoguriensis , Stenozonotriletes marginellus , Vallatisporites appilicatus , Verrucosisporites serobiculatus , Retieulatisporites caneellatus, Granulatisporites areuatus are recorded, which are not found in assemblages from overlying sediments. Bashkirian-Moseovian assemblages are dominated by Lyeospora subtriquetra, L. pusilla, Vallatisporites ciliaris, Apiculatisporis mollis, Cyelogranisporites testieulatus, Calamospora mierorugosa, Sehopfipollenites principalis, Psilohyrnena psiloptera, Florinites grandis and Granulatisporites piroformis miospores. Cristatisporites latispinus, Angulisporites didymus, Thymospora obseura and Torispora securis are also present, as well as single Apieulatisporis eurvispinus, Raistriekia inordinata, Marsupipollenites retroflexus, Entylissa eaperata, Potonieisporites grandis and Cordaitina sp. A similar succession of miospore assemblages is recorded in the Carboniferous deposits of Europe and North America, which allows carrying out correlations, despite an endemic characters of many species of Paleozoic miospores from the coal-bearing Carboniferous of the Kazakhstan Province in the Euramerian Paleofloristic Region. 展开更多
关键词 MIOSPORES CARBONIFEROUS BIOSTRATIGRAPHY kazakhstan
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Fauna of Heteroptera in the deserts of Kazakhstan
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作者 Yesenbekova Perizat Abdykairovna 《Journal of Arid Land》 SCIE 2011年第4期303-305,共3页
Heteroptera is an important group among the insect orders,not only for its number of species,but also for its distribution and food preference.A total of 405 species of Heteroptera were identified in the desert areas ... Heteroptera is an important group among the insect orders,not only for its number of species,but also for its distribution and food preference.A total of 405 species of Heteroptera were identified in the desert areas of Kazakhstan,in which 158 species are distributed in the sandy deserts,105 species in the Solonchak deserts,75 species in the clay deserts,and 67 species in the rocky-rubbly deserts. 展开更多
关键词 FAUNA HETEROPTERA DESERT kazakhstan
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