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根据2012年中科院SCI论文分区整理,各学科的影响因子确实差别挺大的。
| 1区(≈5%) | 2区(≈6%-15%) | 3区(≈10%-27%) | 4区 | 总计 | ||||||
阈值 | 期刊数 | 占比 | 阈值 | 期刊数 | 占比 | 阈值 | 期刊数 | 占比 | 期刊数 | 期刊数 | |
地学天文 | 12.94 | 3 | 5.56% | 5.342 | 5 | 9.26% | 3.134 | 11 | 20.37% | 35 | 54 |
综合性期刊 | 9.628 | 3 | 4.84% | 2.509 | 4 | 6.45% | 1.031 | 10 | 16.13% | 45 | 62 |
生物类 | 8.713 | 53 | 5.01% | 3.878 | 126 | 11.91% | 2.26 | 230 | 21.74% | 649 | 1058 |
化学类 | 7.949 | 17 | 4.91% | 3.988 | 41 | 11.85% | 2.253 | 70 | 20.23% | 218 | 346 |
医学类 | 6.253 | 151 | 4.99% | 3.425 | 420 | 13.88% | 2.125 | 698 | 23.07% | 1756 | 3025 |
物理 | 5.966 | 17 | 5.04% | 2.535 | 43 | 12.76% | 1.433 | 80 | 23.74% | 197 | 337 |
环境科学 | 4.895 | 16 | 5.16% | 2.921 | 43 | 13.87% | 1.758 | 73 | 23.55% | 178 | 310 |
社会科学 | 3.848 | 2 | 5.26% | 1.712 | 4 | 10.53% | 0.839 | 8 | 21.05% | 24 | 38 |
地学 | 3.549 | 18 | 4.99% | 2.254 | 55 | 15.24% | 1.377 | 87 | 24.10% | 201 | 361 |
工程技术类 | 3.45 | 85 | 4.97% | 1.931 | 225 | 13.17% | 1.112 | 377 | 22.06% | 1022 | 1709 |
管理科学 | 2.596 | 4 | 4.82% | 1.508 | 14 | 16.87% | 0.935 | 21 | 25.30% | 44 | 83 |
农林科学类 | 2.453 | 22 | 4.93% | 1.572 | 60 | 13.45% | 0.965 | 96 | 21.52% | 268 | 446 |
数学 | 1.924 | 24 | 5.06% | 1.084 | 78 | 16.46% | 0.659 | 131 | 27.64% | 241 | 47 |
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