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2011年开始中国化学工程文献超过美国,2013年数量拉大了。
详细数据见 http://www.scimagojr.com/compare.php?c1=CN&c2=US&c3=GB&c4=JP&area=1500&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 | 1,598 | 10,093 | 2,419 | 3,231 |
1997 | 2,321 | 9,918 | 2,524 | 3,599 |
1998 | 2,327 | 9,695 | 2,594 | 3,636 |
1999 | 2,986 | 9,019 | 2,539 | 3,933 |
2000 | 3,761 | 11,396 | 2,891 | 4,275 |
2001 | 4,565 | 9,364 | 2,632 | 4,486 |
2002 | 3,985 | 9,860 | 2,765 | 4,313 |
2003 | 4,851 | 11,568 | 3,036 | 4,985 |
2004 | 7,193 | 13,809 | 3,292 | 5,092 |
2005 | 9,252 | 14,327 | 3,399 | 4,511 |
2006 | 12,044 | 14,967 | 3,910 | 5,383 |
2007 | 12,612 | 15,807 | 3,602 | 4,760 |
2008 | 14,739 | 18,045 | 3,905 | 5,127 |
2009 | 16,596 | 17,856 | 4,230 | 5,920 |
2010 | 18,713 | 20,415 | 4,081 | 5,434 |
2011 | 20,714 | 20,560 | 4,525 | 5,698 |
2012 | 23,029 | 18,872 | 4,258 | 5,462 |
2013 | 27,648 | 15,499 | 4,047 | 5,417 |
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