博文
中国化学研究文献超过美国
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2007年开始中国化学研究文献超过美国，2011年开始数量拉大了。
详细数据见 http://www.scimagojr.com/compare.php?c1=CN&c2=US&c3=GB&c4=JP&area=1600&category=0&in=it
DocumentsCitable DocumentsCitesSelf CitesCites per Document(Cites-Self cites) per Document
H Index% cited documentsInternational collaboration
| | China | United States | United Kingdom | Japan |
|---|---|---|---|---|
| 1996 | 5,098 | 23,523 | 6,793 | 12,241 |
| 1997 | 6,647 | 22,859 | 6,908 | 12,656 |
| 1998 | 6,848 | 23,318 | 6,927 | 13,390 |
| 1999 | 8,023 | 23,265 | 6,794 | 13,375 |
| 2000 | 9,126 | 24,152 | 7,167 | 13,761 |
| 2001 | 10,294 | 23,564 | 6,773 | 13,583 |
| 2002 | 11,276 | 26,068 | 7,053 | 13,624 |
| 2003 | 13,006 | 25,913 | 7,278 | 13,773 |
| 2004 | 17,642 | 28,690 | 7,705 | 14,530 |
| 2005 | 21,017 | 27,705 | 7,259 | 13,425 |
| 2006 | 27,411 | 30,878 | 8,129 | 14,199 |
| 2007 | 30,366 | 30,259 | 8,197 | 13,947 |
| 2008 | 33,019 | 30,334 | 8,007 | 13,751 |
| 2009 | 35,622 | 31,285 | 8,328 | 13,874 |
| 2010 | 37,867 | 33,479 | 8,653 | 13,167 |
| 2011 | 43,208 | 34,848 | 9,280 | 13,757 |
| 2012 | 47,235 | 33,434 | 8,806 | 13,336 |
| 2013 | 51,684 | 34,147 | 8,781 | 13,558 |
https://blog.sciencenet.cn/blog-280034-830664.html
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