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单位：篇 |
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(piece) | |
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项 目 Item |
1995 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
|
《Science Citation Index》收录合计 |
7980 |
10033 |
11456 |
19936 |
22608 |
25889 |
31572 |
38092 |
45351 |
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Taken by SCI |
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|
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国内发表 Published in Domestic Periodicals |
1087 |
1708 |
2119 |
7647 |
9208 |
9580 |
11425 |
12441 |
13498 |
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比重（％） As % of Total |
14 |
17 |
19 |
38 |
41 |
37 |
36 |
32.7 |
29.8 |
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国外发表 Published in Foreign Periodicals |
6893 |
8325 |
9337 |
12289 |
13400 |
16309 |
20147 |
25651 |
31853 |
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比重（％） As % of Total |
86 |
83 |
81 |
62 |
59 |
63 |
64 |
67.3 |
70.2 |
|
《Engineering Index》收录合计 |
6791 |
9834 |
8220 |
13155 |
13991 |
15605 |
19268 |
26857 |
32881 |
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Taken by 《Engineering Index》 |
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国内发表 Published in Domestic Periodicals |
3038 |
5121 |
4160 |
8324 |
8293 |
9055 |
6458 |
13329 |
17442 |
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比重（％） As % of Total |
45 |
52 |
51 |
63 |
59 |
58 |
34 |
49.6 |
53 |
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国外发表 Published in Foreign Periodicals |
3753 |
4713 |
4060 |
4821 |
5698 |
6550 |
12810 |
13528 |
15439 |
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比重（％） As % of Total |
55 |
48 |
49 |
37 |
41 |
42 |
66 |
50.4 |
47 |
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*1999年开始使用《SCI-EXPANDED》统计。 |
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