使用Web of Science和中国知网获得文献数据,应用文献计量学方法和Cite SpaceⅤ软件,对辐射旁效应领域的相关文献、作者、期刊、机构以及关键词进行定量和系统分析。结果显示:近10年的研究热点是重离子辐射旁效应与凋亡、基因不稳定在...使用Web of Science和中国知网获得文献数据,应用文献计量学方法和Cite SpaceⅤ软件,对辐射旁效应领域的相关文献、作者、期刊、机构以及关键词进行定量和系统分析。结果显示:近10年的研究热点是重离子辐射旁效应与凋亡、基因不稳定在癌症发生和辐射防护相关领域的影响;辐射旁效应的研究成果大部分发表在国外期刊Cancer Research和Radiation Research上,而辐射防护通讯和辐射研究与辐射工艺学报是国内重要的发文期刊;国外重要的发文作者是Mothersill C和Prise K M,国内是邵春林;国内外重要的研究机构是加拿大的Mcmaster University和中国科学院;主要的发文国家是美国;辐射旁效应的研究主要集中在辐射防护和癌症治疗方面。掌握该领域重要的文献、作者和机构等信息可以获得更多突破性的成果。展开更多
In recent years,flows of many rivers and lakes have become reduced in arid and semi-arid regions around the world.The most typical examples of this phenomenon occur in Central Asia,and the reduction of the Aral Sea ar...In recent years,flows of many rivers and lakes have become reduced in arid and semi-arid regions around the world.The most typical examples of this phenomenon occur in Central Asia,and the reduction of the Aral Sea area is closely related to agricultural water use.However,due to a lack of continuous data in Central Asia spanning many years,"virtual water"is used to evaluate changes in agricultural water use.Based on virtual water theory,325 kinds of agricultural products in eight categories are selected as the research object,and changes in virtual water are calculated for Central Asia from 1992 to 2016.Results indicate that:(1)The average annual net export of agricultural virtual water(TVWNE)in Central Asia is about 9 billion m3,concentrated in Kazakhstan,whose annual TVWNE reaches 8.1 billion m3.(2)Since 2007,the TVWNE in Central Asia has dropped significantly,with a drop rate of 86%,while the total volume of agricultural virtual water has gradually increased since 1998.(3)The upstream and downstream countries in Central Asia have different characteristics in the change of virtual water quantity.展开更多
文摘使用Web of Science和中国知网获得文献数据,应用文献计量学方法和Cite SpaceⅤ软件,对辐射旁效应领域的相关文献、作者、期刊、机构以及关键词进行定量和系统分析。结果显示:近10年的研究热点是重离子辐射旁效应与凋亡、基因不稳定在癌症发生和辐射防护相关领域的影响;辐射旁效应的研究成果大部分发表在国外期刊Cancer Research和Radiation Research上,而辐射防护通讯和辐射研究与辐射工艺学报是国内重要的发文期刊;国外重要的发文作者是Mothersill C和Prise K M,国内是邵春林;国内外重要的研究机构是加拿大的Mcmaster University和中国科学院;主要的发文国家是美国;辐射旁效应的研究主要集中在辐射防护和癌症治疗方面。掌握该领域重要的文献、作者和机构等信息可以获得更多突破性的成果。
基金Strategic Priority Research Program of Chinese Academy of Sciences,Pan-Third Pole Environment Study for a Green Silk Road,No.XDA20040400。
文摘In recent years,flows of many rivers and lakes have become reduced in arid and semi-arid regions around the world.The most typical examples of this phenomenon occur in Central Asia,and the reduction of the Aral Sea area is closely related to agricultural water use.However,due to a lack of continuous data in Central Asia spanning many years,"virtual water"is used to evaluate changes in agricultural water use.Based on virtual water theory,325 kinds of agricultural products in eight categories are selected as the research object,and changes in virtual water are calculated for Central Asia from 1992 to 2016.Results indicate that:(1)The average annual net export of agricultural virtual water(TVWNE)in Central Asia is about 9 billion m3,concentrated in Kazakhstan,whose annual TVWNE reaches 8.1 billion m3.(2)Since 2007,the TVWNE in Central Asia has dropped significantly,with a drop rate of 86%,while the total volume of agricultural virtual water has gradually increased since 1998.(3)The upstream and downstream countries in Central Asia have different characteristics in the change of virtual water quantity.
