发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 3188 |
| England | 1140 |
| GERMANY (FED REP GER) | 827 |
| CHINA MAINLAND | 605 |
| France | 442 |
| Switzerland | 417 |
| Australia | 392 |
| Canada | 380 |
| Japan | 356 |
| Netherlands | 312 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 649 |
| HARVARD UNIVERSITY | 510 |
| MASSACHUSETTS INSTITUTE OF TECHNOLOGY (... | 310 |
| HOWARD HUGHES MEDICAL INSTITUTE | 307 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTI... | 296 |
| MAX PLANCK SOCIETY | 269 |
| STANFORD UNIVERSITY | 264 |
| UNIVERSITY OF LONDON | 238 |
| UNIVERSITY OF CAMBRIDGE | 229 |
| CHINESE ACADEMY OF SCIENCES | 224 |