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单位：篇 |
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项 目 |
1995- |
1996- |
1997- |
1998- |
1999- |
2000- |
2001- |
2002- |
2003- |
2004- |
2005- |
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收录论文数 |
89787 |
101613 |
116079 |
131933 |
152946 |
175913 |
210099 |
249582 |
349560 |
414391 |
472766 |
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(A) |
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被引用论文数 |
142026 |
170984 |
212161 |
259772 |
332297 |
412145 |
549879 |
692283 |
936676 |
1206096 |
1796896 |
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(B) |
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论文影响 |
1.58 |
1.68 |
1.83 |
1.97 |
2.17 |
2.34 |
2.62 |
2.77 |
2.68 |
2.91 |
3.80 |
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(B/A) |
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