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 | 316 |
| England | 126 |
| Australia | 80 |
| CHINA MAINLAND | 77 |
| GERMANY (FED REP GER) | 67 |
| Netherlands | 60 |
| Canada | 57 |
| Sweden | 43 |
| Switzerland | 37 |
| France | 36 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 70 |
| STANFORD UNIVERSITY | 31 |
| UNIVERSITY OF LONDON | 26 |
| INTERNATIONAL INSTITUTE FOR APPLIED SYS... | 25 |
| STOCKHOLM UNIVERSITY | 24 |
| CHINESE ACADEMY OF SCIENCES | 23 |
| NATURE CONSERVANCY | 22 |
| COMMONWEALTH SCIENTIFIC & INDUSTRIAL RE... | 21 |
| UNITED STATES DEPARTMENT OF ENERGY (DOE... | 21 |
| WAGENINGEN UNIVERSITY & RESEARCH | 21 |