为把握整体气体膜分离产业研究和创新状况,在Web of Knowledge(WOK)平台的Web of Science®数据库和Derwent(德温特)专利数据库检索了有关气体膜分离技术的文献,并采用文献计量学的方法进行分析。结果表明,1995—2014年全球相...为把握整体气体膜分离产业研究和创新状况,在Web of Knowledge(WOK)平台的Web of Science®数据库和Derwent(德温特)专利数据库检索了有关气体膜分离技术的文献,并采用文献计量学的方法进行分析。结果表明,1995—2014年全球相关论文共2972篇,专利4266项。气体膜分离技术现处于研究的成长期,已形成核心作者群。气体膜分离材料的研究热点为混合基质膜、沸石膜和炭膜,但工业化应用以传统有机高分子材料为主,气体膜分离技术主要的研究和应用领域为氢回收、空分和脱碳。美国和日本的研究和应用优势较明显,我国气体膜分离的研发主体为高校和科研院所,尽管发文量位居世界第二,但科研质量和国际影响力仍需提高,科研成果转化率不高。预计未来气体膜分离的研究重点会在沸石膜和炭膜等新型膜材料的空间结构的设计合成和碳捕获的技术应用上,渗透汽化膜的应用和挥发性有机物(VOCs)分离也是未来的研究方向。展开更多
In recent years,as China's rapid economic development,vocational and technical education has been gradually recognized by the society.As highly educated people,vocational and technical education graduate is an imp...In recent years,as China's rapid economic development,vocational and technical education has been gradually recognized by the society.As highly educated people,vocational and technical education graduate is an important force in the development of vocational education.But in reality,their employment orientation deviate from the trend of the profession and only a small part of them do related work after graducation.Combined with the current development status of vocational education,the article analysis the reasons of this problem and give policy recommendations,so as to create a good environment for vocational and technical education talented people.展开更多
文摘为把握整体气体膜分离产业研究和创新状况,在Web of Knowledge(WOK)平台的Web of Science®数据库和Derwent(德温特)专利数据库检索了有关气体膜分离技术的文献,并采用文献计量学的方法进行分析。结果表明,1995—2014年全球相关论文共2972篇,专利4266项。气体膜分离技术现处于研究的成长期,已形成核心作者群。气体膜分离材料的研究热点为混合基质膜、沸石膜和炭膜,但工业化应用以传统有机高分子材料为主,气体膜分离技术主要的研究和应用领域为氢回收、空分和脱碳。美国和日本的研究和应用优势较明显,我国气体膜分离的研发主体为高校和科研院所,尽管发文量位居世界第二,但科研质量和国际影响力仍需提高,科研成果转化率不高。预计未来气体膜分离的研究重点会在沸石膜和炭膜等新型膜材料的空间结构的设计合成和碳捕获的技术应用上,渗透汽化膜的应用和挥发性有机物(VOCs)分离也是未来的研究方向。
文摘In recent years,as China's rapid economic development,vocational and technical education has been gradually recognized by the society.As highly educated people,vocational and technical education graduate is an important force in the development of vocational education.But in reality,their employment orientation deviate from the trend of the profession and only a small part of them do related work after graducation.Combined with the current development status of vocational education,the article analysis the reasons of this problem and give policy recommendations,so as to create a good environment for vocational and technical education talented people.