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Proceedings of the Mongolian Academy of Sciences最新文献

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Body composition and performance of high-ranking female athletes of Mongolia 蒙古高级女运动员的身体成分和表现
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-07-29 DOI: 10.5564/pmas.v63i02.1419
Bat-Erdene Shagdar, Sukhbat Galsan-Yondon, E. Sundui, Gurbadam Agvaandaram
{"title":"Body composition and performance of high-ranking female athletes of Mongolia","authors":"Bat-Erdene Shagdar, Sukhbat Galsan-Yondon, E. Sundui, Gurbadam Agvaandaram","doi":"10.5564/pmas.v63i02.1419","DOIUrl":"https://doi.org/10.5564/pmas.v63i02.1419","url":null,"abstract":"The purpose of this study is to determine the level of morphological and functional indicators depending on sports specializations among distinguished Mongolian female athletes. Our study involved 123 athletes aged 18-34 in six sports disciplines and the body composition of the athletes were measured by anthropometry and bioelectrical impedance. Physical performance was assessed by Harvard Step Test, alongside spirometry and physical fitness tests. Sports specializations affect the indicators of physical development and body composition of athletes, which revealed significant differences between them. According to the Harvard Test, 85% (34) of team sports athletes, 53.4% (31) of martial arts athletes received good and excellent marks. High-ranking Mongolian male athletes have different body compositions according to various sports disciplines and one can create a profile of an athlete within specific sports. Many years of training can improve an athlete’s performance. The cardiovascular function of athletes involved in martial arts quickly returns to normal after training.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139353977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Paradigm shift in traditional Mongolian medicine in the 18th century 18 世纪蒙古传统医学的范式转变
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-07-19 DOI: 10.5564/pmas.v63i02.1417
Enkhamgalan Damiran, Ulaan-Od Khailan, Shagdarsuren Dashjamts, Gerelmaa Battogtokh, Bold Sharavyn
{"title":"Paradigm shift in traditional Mongolian medicine in the 18th century","authors":"Enkhamgalan Damiran, Ulaan-Od Khailan, Shagdarsuren Dashjamts, Gerelmaa Battogtokh, Bold Sharavyn","doi":"10.5564/pmas.v63i02.1417","DOIUrl":"https://doi.org/10.5564/pmas.v63i02.1417","url":null,"abstract":"As Thomas Kuhn stated in his book \"The Structure of Scientific Revolutions\", revolution is an example of advanced science made by a successful paradigm shift from one to another. At that time, Kuhn's idea was a revolution in itself, becoming the primary method for scientific change. It became a basis for science paradigm policy shift and since, has been a model for gradual reform. Identifying and incorporating this model into the countries' scientific policy and reform is extremely important. The applicability of the used model can be judged by the outcomes resulting in the paradigm shift. By the way, not every scientific progress results in revolution. However, we would like to note that a laggard period with weak mental development is ended by an intellectual outburst. In other words, although in the 17th century, Mongols accepted Tibetan medicine within the framework of the \"Four Medical Tantras\" with recognition and common scientific mind, later in the 18th century, they thought beyond the box of the \"Four Medical Tantras\" and created the opportunity to develop a new paradigm. This shift made a valuable contribution to the establishment of, in a broader sense, Mongolian medicine and, in a narrow sense, traditional Mongolian medicine.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139357680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impacts of natural and anthropogenic factors on soil erosion 自然和人为因素对土壤侵蚀的影响
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-07-03 DOI: 10.5564/pmas.v63i02.1416
Nomin Gantulga, Tuyajargal Iimaa, Munkhjin Batmunkh, Unursaikhan Surenjav, Enkhjargal Tserennadmin, Telmen Turmunkh, Dorjgotov Denchingungaa, B. Dorjsuren
{"title":"Impacts of natural and anthropogenic factors on soil erosion","authors":"Nomin Gantulga, Tuyajargal Iimaa, Munkhjin Batmunkh, Unursaikhan Surenjav, Enkhjargal Tserennadmin, Telmen Turmunkh, Dorjgotov Denchingungaa, B. Dorjsuren","doi":"10.5564/pmas.v63i02.1416","DOIUrl":"https://doi.org/10.5564/pmas.v63i02.1416","url":null,"abstract":"Soil erosion is a serious issue that is caused by both natural and anthropogenic factors. Natural processes, including water and wind erosion, as well as higher temperatures, have been identified as leading causes of soil erosion. Additionally, anthropogenic factors, such as urbanization, road construction, agriculture, industry, mining, and others significantly contribute to this problem. These factors have resulted in the loss of biological productivity of the land and have inflicted damage on the entire ecosystem. Since 2000, soil erosion and desertification have become even more severe, exacerbating the problem. The soil of Mongolia, characterized by an arid and semi-arid climate with low precipitation and high temperature fluctuations, is highly susceptible to erosion with approximately 55% of it being classified as high or very easy to erode. This review provides a comprehensive overview of the natural processes and anthropogenic factors that contribute to soil erosion, as well as the current status of soil in various regions of Mongolia.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139363666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential directions for the use of various types of waste in Mongolia 蒙古国各类废物使用的潜在方向
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-06-20 DOI: 10.5564/pmas.v63i01.2802
J. Temuujin
{"title":"Potential directions for the use of various types of waste in Mongolia","authors":"J. Temuujin","doi":"10.5564/pmas.v63i01.2802","DOIUrl":"https://doi.org/10.5564/pmas.v63i01.2802","url":null,"abstract":"No abstract","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43250071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonorganic sleep disorders and sleep quality among the general population of Mongolia 蒙古国普通人群的非器质性睡眠障碍与睡眠质量
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-05-27 DOI: 10.5564/pmas.v63i01.2807
Enkhnaran Tumurbaatar, Gantsetseg Tumur-Ochir, Enkhjin Bat-Erdene, Tsogt-Itgel Munkhbat, Chimeddulam Erdenebaatar, Bulgantuya Bumandorj, Battuvshin Lkhagvasuren, Tsolmon Jadamba
{"title":"Nonorganic sleep disorders and sleep quality among the general population of Mongolia","authors":"Enkhnaran Tumurbaatar, Gantsetseg Tumur-Ochir, Enkhjin Bat-Erdene, Tsogt-Itgel Munkhbat, Chimeddulam Erdenebaatar, Bulgantuya Bumandorj, Battuvshin Lkhagvasuren, Tsolmon Jadamba","doi":"10.5564/pmas.v63i01.2807","DOIUrl":"https://doi.org/10.5564/pmas.v63i01.2807","url":null,"abstract":"The aim of this study was to determine the prevalence of non-organic sleep disorders and sleep quality, using a structured psychiatric interview following screening through the Pittsburgh Sleep Quality Index (PSQI) among the general population. This nationwide population-based cross-sectional study was carried out between August and October 2020 and involved 964 participants (74% women, mean age: 40.72±14.34) who were randomly selected from 64 clusters in 10 sites of Mongolia. 27.9% of the study participants were evaluated as having non-organic sleep disorders based on the diagnostic guidelines of the International Classification of Diseases, Tenth Edition, Clinical Modification (ICD-10). The prevalence of non-organic sleep disorders differed in age (p<0.001). Non-organic sleep disorders were related to age, employment, diastolic blood pressure, sleep quality, and quality of life. The prevalence of non-organic sleep disorders in the general population of Mongolia was calculated as 27.9%, while the prevalence rate of the poor sleep quality was 42.2%.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48806756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of triterpenoid saponin and polysaccharide content from in vitro cultures of Astragalus mongholicus Bunge 蒙古黄芪离体培养物中三萜皂苷和多糖含量的测定
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-05-26 DOI: 10.5564/pmas.v63i01.2804
Tsolmon Munkhbayar, Batzaya Gachmaa, A. Jukov, Oyunbileg Yungeree
{"title":"Determination of triterpenoid saponin and polysaccharide content from in vitro cultures of Astragalus mongholicus Bunge","authors":"Tsolmon Munkhbayar, Batzaya Gachmaa, A. Jukov, Oyunbileg Yungeree","doi":"10.5564/pmas.v63i01.2804","DOIUrl":"https://doi.org/10.5564/pmas.v63i01.2804","url":null,"abstract":"In this study, the efficient micropropagation protocol of Astragalus mongholicus Bunge was established and also triterpenoid saponin and polysaccharide content in ethanol, methanol and aqueous extracts of different samples were determined by using spectrophotometric methods to investigate whether the content of biologically active compounds depends on the stage of development of the plant during in vitro culture. The content of total saponins and polysaccharides in different cultures of A. mongholicus grown in vitro was higher (990 and 505 μg/ml) in ethanol extracted 14-day-old young shoot samples than in 28-day-old propagated shoot samples and rooted shoots.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46796343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
width of the flux tube in SU(3) pure gauge theory SU(3)纯规范理论中通量管的宽度
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-05-22 DOI: 10.5564/pmas.v63i01.2805
Munkhzaya Batgerel, S. Chagdaa, E. Galsandorj
{"title":"width of the flux tube in SU(3) pure gauge theory","authors":"Munkhzaya Batgerel, S. Chagdaa, E. Galsandorj","doi":"10.5564/pmas.v63i01.2805","DOIUrl":"https://doi.org/10.5564/pmas.v63i01.2805","url":null,"abstract":"In this paper, we present results obtained from the flux tubes between a quark and an antiquark in SU(3) pure gauge lattice field theory. We fit the transverse distribution of the energy density and the parallel components of the chromoelectric and chromomagnetic fields with several functions and used the coefficients obtained from the fit for computation of the width of the flux tube. Subsequently, we looked into in the dependence of the width of the flux tube on the distance between the static quark-antiquark sources and temperatures. Finally, we compared our results with those from other similar studies. We observed that the numerical value of the width of the flux tube computed from the pure gauge theory is larger than that from the full QCD theory, and the width of the flux tube widened until Tc, and then decreased above the critical temperature.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49009933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptation of different generations of hereford and aberdeen angus breeds to the ambient temperature of the Northern region of Kazakhstan 不同世代的赫里福德和阿伯丁安格斯品种对哈萨克斯坦北部地区环境温度的适应
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-05-16 DOI: 10.5564/pmas.v63i01.2806
Kazhgaliyev Nurlybay Zhigerbaevich, Yol Dorjbat, Titanov Zhanat Eginbayevich, Ateikhan Bolatbek
{"title":"Adaptation of different generations of hereford and aberdeen angus breeds to the ambient temperature of the Northern region of Kazakhstan","authors":"Kazhgaliyev Nurlybay Zhigerbaevich, Yol Dorjbat, Titanov Zhanat Eginbayevich, Ateikhan Bolatbek","doi":"10.5564/pmas.v63i01.2806","DOIUrl":"https://doi.org/10.5564/pmas.v63i01.2806","url":null,"abstract":"This article presents the findings of a study examining how Hereford and Aberdeen-Angus breeds are adapting to ambient temperatures in northern Kazakhstan. The study suggests that animals of second and third generations display the highest levels of adaptability to high temperatures in their environment, thus requiring less stress on their protective bodily functions. These groups also exhibit a more sophisticated system of thermoregulation, enabling them to efficiently allocate body resources in hot weather, a common occurrence during the summer months in the northern region of Kazakhstan. These findings contribute to a deeper understanding of the mechanisms involved in breed adaptation to environmental conditions and the findings could be valuable to farmers and breeders in the region seeking to optimize their animal production practices.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44098989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the mycorrhizal structure of common plants and rhizosphere AMF diversity of different plant communities in Central Province, Mongolia 蒙古中部常见植物菌根结构及不同植物群落根际AMF多样性研究
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-01-19 DOI: 10.5564/pmas.v62i04.2680
Munkhzul Tsetsegmaa, Lumeng Chao, Yuying Bao
{"title":"Study on the mycorrhizal structure of common plants and rhizosphere AMF diversity of different plant communities in Central Province, Mongolia","authors":"Munkhzul Tsetsegmaa, Lumeng Chao, Yuying Bao","doi":"10.5564/pmas.v62i04.2680","DOIUrl":"https://doi.org/10.5564/pmas.v62i04.2680","url":null,"abstract":"With the dual destruction cased by man-made activities and natural causes, the biodiversity and ecosystem function of the prairie are reducing rapidly, which are manifest in such phenomenon as grassland desertification, sharp reduction in wetland, soil quality degradation, erosion of soil by wind, rain and watersheds. This condition restricts the development level of Mongolia's financial status and production forces, and so the protection and utilization of biodiversity resources are extremely important and harbor no delay. Arbuscular mycorrhizal fungi (AMF) has a broad distribution and species diversity, it also has very important functions of maintaining material circulation in ecosystems, improving ecosystem productivity, and ensuring ecological restoration. We selected different plant communities and the common plants in the Tuv aimag (Central province) of Mongolia to study the correlation between species diversity, genetic diversity and AM fungi distribution with physical and chemical properties of soil.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48769500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impacts of operating conditions on specific cake resistance in dead-end microfiltration process 操作条件对末端微滤过程中滤饼比阻力的影响
Proceedings of the Mongolian Academy of Sciences Pub Date : 2023-01-18 DOI: 10.5564/pmas.v62i04.2678
Natsagdorj Khaliunaa, Wang Zhan, Xi Wang, Tungalagtamir Bold
{"title":"Impacts of operating conditions on specific cake resistance in dead-end microfiltration process","authors":"Natsagdorj Khaliunaa, Wang Zhan, Xi Wang, Tungalagtamir Bold","doi":"10.5564/pmas.v62i04.2678","DOIUrl":"https://doi.org/10.5564/pmas.v62i04.2678","url":null,"abstract":"In the present work, the fouling behavior and the corresponding specific cake resistance of polyethersulfone microfiltration membrane fouled by using different solutions (bovine serum albumin solution, sodium alginate solution, humic acid and activated sludge suspension) under different operating conditions, transmembrane pressure (TMP), concentration (C), stirred speed (ω) and temperature (T) were systematically investigated. The ensuing results showed that the proposed equation can be used to accurately calculate instantaneous specific cake resistance (α). The average specific cake resistance increased with increasing operating pressure, concentration, and stirred speed, while it decreased with increasing operating temperature. The average specific cake resistance of sodium alginate (SA) was larger and the sequence was SA>HA>BSA>AS.","PeriodicalId":32573,"journal":{"name":"Proceedings of the Mongolian Academy of Sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46020982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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