文章以Web of Science数据库中2001—2014年混合学习相关文献为数据来源,通过参考文献共被引分析、主题词共现分析以及内容分析等方法,探索了当前混合学习研究领域的前沿与热点,分析了混合学习研究与实践的趋势以及未来研究中值得关注...文章以Web of Science数据库中2001—2014年混合学习相关文献为数据来源,通过参考文献共被引分析、主题词共现分析以及内容分析等方法,探索了当前混合学习研究领域的前沿与热点,分析了混合学习研究与实践的趋势以及未来研究中值得关注的问题,为教育研究者和实践者提供了一定的参考与借鉴。展开更多
As one of the largest Phanerozoic orogens in the world,the Central Asian Orogenic Belt(CAOB)is a natural laboratory for studies of continental dynamics and metallogenesis.This paper summarizes the research progresses ...As one of the largest Phanerozoic orogens in the world,the Central Asian Orogenic Belt(CAOB)is a natural laboratory for studies of continental dynamics and metallogenesis.This paper summarizes the research progresses of the accretionary processes and metallogenesis of the CAOB since the Peopled Republic of China was founded,and puts forward the prospect for future research.During the early period(1950s-1970s),several geological theories were applied to explain the geological evolution of Central Asia.In the early period of China's reform and opening-up,the plate tectonics theory was applied to explain the evolution of the northern Xinjiang and Xingmeng regions,and the opinion of subduction-collision between Siberian Kazakhstan and China-North Korea-Tarim plates was proposed.The idea of the Solonker-Yanbian suture zone was established.In the 1990s,the study of the CAOB entered a period of rapid development.One school of scholars including geologists from the former Soviet Union proposed a multi-block collision model for the assemblage of the CAOB.In contrast,another school of scholars,led by a Turkish geologist,Celal Sengor,proposed that the Altaids was formed through the growth and strike-slip duplicates of a single island arc,and pointed out that the Altaids is a special type of collisional orogen.During this period,Chinese geologists carried out a lot of pioneering researches on ophiolites and high-pressure metamorphic rocks in northern China,and confirmed the main suture zones accordingly.In 1999,the concept of"Central Asian metallogenic domain"was proposed,and it became one of the three major metallogenic domains in the world.Since the 21st century,given the importance for understanding continental accretion and metallogenic mechanism,the CAOB has become the international academic forefront.China has laid out a series of scientific research projects in Central Asia.A large number of important scientific research achievements have been spawned,including the tectonic attribution of micro-continents,timing and t展开更多
为了深入揭示国际瑜伽研究发展状况,以美国Web of science(WOS)TM核心合集数据库为数据源,通过关键词检索,获取1985-2014年相关数据。运用Cite Space软件对数据进行计量分析,绘制知识图谱。结合内容分析与数据挖掘,对国际瑜伽研究演进...为了深入揭示国际瑜伽研究发展状况,以美国Web of science(WOS)TM核心合集数据库为数据源,通过关键词检索,获取1985-2014年相关数据。运用Cite Space软件对数据进行计量分析,绘制知识图谱。结合内容分析与数据挖掘,对国际瑜伽研究演进脉络与前沿动态展开体育竞争情报分析。研究结果认为,30年来,国际上对瑜伽的科研数量不断上升,研究领域涉及13个学科门类的109个研究方向,热点研究领域主要集中在医学、教育学、工学、体育学等方面。美国位居国际瑜伽研究领域的发文量之首,其次为印度、加拿大、英国、德国、澳大利亚,中国也是瑜伽研究的活跃国家。印度的研究力量以专门的瑜伽科研机构为主,欧、美国家则以高校和医学研究委员会的科研人员为主力军,各自形成了国际化的研究团队。我国研究团队的集聚性和整合程度相对不足,国际间的合作与交流仍需加强。国际瑜伽研究以运动、冥想、身体活动、替代疗法为主要内容,以女性和老年人为主要研究对象,并逐渐涉及到男性群体。以瑜伽干预作为医学辅助治疗方法,对腰背部疼痛、心血管疾病、抑郁、失眠、哮喘、情绪和骨骼肌力量等的积极影响是当前国际瑜伽领域研究的前沿热点。并在近年来有将瑜伽引入运动训练和竞赛,把其作为体能训练、运动后疲劳消除和赛前运动员心理调节方法手段等的趋势,这可能会演化为今后体育领域瑜伽科研一个新的前沿热点。展开更多
基金supported by the National Key R & D Program of China (Grant No. 2017YFC0601201)the National Natural Science Foundation of China (Grant Nos. 41888101, 41730210, 41672219)the IGCP662 Project
文摘As one of the largest Phanerozoic orogens in the world,the Central Asian Orogenic Belt(CAOB)is a natural laboratory for studies of continental dynamics and metallogenesis.This paper summarizes the research progresses of the accretionary processes and metallogenesis of the CAOB since the Peopled Republic of China was founded,and puts forward the prospect for future research.During the early period(1950s-1970s),several geological theories were applied to explain the geological evolution of Central Asia.In the early period of China's reform and opening-up,the plate tectonics theory was applied to explain the evolution of the northern Xinjiang and Xingmeng regions,and the opinion of subduction-collision between Siberian Kazakhstan and China-North Korea-Tarim plates was proposed.The idea of the Solonker-Yanbian suture zone was established.In the 1990s,the study of the CAOB entered a period of rapid development.One school of scholars including geologists from the former Soviet Union proposed a multi-block collision model for the assemblage of the CAOB.In contrast,another school of scholars,led by a Turkish geologist,Celal Sengor,proposed that the Altaids was formed through the growth and strike-slip duplicates of a single island arc,and pointed out that the Altaids is a special type of collisional orogen.During this period,Chinese geologists carried out a lot of pioneering researches on ophiolites and high-pressure metamorphic rocks in northern China,and confirmed the main suture zones accordingly.In 1999,the concept of"Central Asian metallogenic domain"was proposed,and it became one of the three major metallogenic domains in the world.Since the 21st century,given the importance for understanding continental accretion and metallogenic mechanism,the CAOB has become the international academic forefront.China has laid out a series of scientific research projects in Central Asia.A large number of important scientific research achievements have been spawned,including the tectonic attribution of micro-continents,timing and t
文摘为了深入揭示国际瑜伽研究发展状况,以美国Web of science(WOS)TM核心合集数据库为数据源,通过关键词检索,获取1985-2014年相关数据。运用Cite Space软件对数据进行计量分析,绘制知识图谱。结合内容分析与数据挖掘,对国际瑜伽研究演进脉络与前沿动态展开体育竞争情报分析。研究结果认为,30年来,国际上对瑜伽的科研数量不断上升,研究领域涉及13个学科门类的109个研究方向,热点研究领域主要集中在医学、教育学、工学、体育学等方面。美国位居国际瑜伽研究领域的发文量之首,其次为印度、加拿大、英国、德国、澳大利亚,中国也是瑜伽研究的活跃国家。印度的研究力量以专门的瑜伽科研机构为主,欧、美国家则以高校和医学研究委员会的科研人员为主力军,各自形成了国际化的研究团队。我国研究团队的集聚性和整合程度相对不足,国际间的合作与交流仍需加强。国际瑜伽研究以运动、冥想、身体活动、替代疗法为主要内容,以女性和老年人为主要研究对象,并逐渐涉及到男性群体。以瑜伽干预作为医学辅助治疗方法,对腰背部疼痛、心血管疾病、抑郁、失眠、哮喘、情绪和骨骼肌力量等的积极影响是当前国际瑜伽领域研究的前沿热点。并在近年来有将瑜伽引入运动训练和竞赛,把其作为体能训练、运动后疲劳消除和赛前运动员心理调节方法手段等的趋势,这可能会演化为今后体育领域瑜伽科研一个新的前沿热点。