| 基于JCR®的国外临床医学学科半衰期 |
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| 引用本文： | 李赞梅,冀玉静,李晓瑛.基于JCR®的国外临床医学学科半衰期[J].中华医学图书情报杂志,2016,25(8):10-14，23. |
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| 作者姓名： | 李赞梅 冀玉静 李晓瑛 |
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| 作者单位： | 中国医学科学院医学信息研究所，北京 100020,中国医学科学院医学信息研究所，北京 100020,中国医学科学院医学信息研究所，北京 100020 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费“生物医学术语服务系统建设关键问题研究”（15R0109）研究成果之一 |
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| 摘 要： | 利用JCR?统计数据，对2005-2014年国外临床医学相关学科的被引半衰期和引用半衰期变化进行分析发现，国外临床医学学科半衰
期呈逐年增长趋势，文献老化速度变慢，学科发展趋于稳定，半衰期与学科特点关联密切，外科学等技术型学科半衰期长于内科学，传统学科半衰期长于成长阶段的新兴学科，被引半衰期和引用半衰期存在一定程度的正相关。
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| 关 键 词： | 临床医学 被引半衰期 引用半衰期 期刊引证报告 |
| 收稿时间： | 2016/6/12 0:00:00 |
Half life of subjects in JCR-covered foreign clinical medicine |
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| LI Zan-mei,JI Yu-jing and LI Xiao-ying.Half life of subjects in JCR-covered foreign clinical medicine[J].Chinese Journal of Medical Library and Information Science,2016,25(8):10-14，23. |
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| Authors: | LI Zan-mei JI Yu-jing and LI Xiao-ying |
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| Institution: | Medical Information Institute, Chinese Academy of Medical Sciences, Beijing 100020, China,Medical Information Institute, Chinese Academy of Medical Sciences, Beijing 100020, China and Medical Information Institute, Chinese Academy of Medical Sciences, Beijing 100020, China |
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| Abstract: | The cited half life and citing half life of subjects in JCR-covered foreign clinical medicine from 2005 to 2014 were
analyzed, which showed that the half life of subjects in foreign clinical medicine tended to increase year after year, the speed of
literature obsolenscene .was slower, the development of subjects tended to become stable, the half life of subjects was closely related with
their characteristics, the half life of surgery and traditional subjects was longer than that of internal medicine and emerging subjects, the
cited half life was positively related with the citing half life. |
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| Keywords: | Clinical medicine Cited half life Citing half life JCR |
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