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 | 397 |
| CHINA MAINLAND | 259 |
| GERMANY (FED REP GER) | 71 |
| Japan | 45 |
| South Korea | 42 |
| England | 39 |
| Spain | 33 |
| Canada | 31 |
| France | 28 |
| Switzerland | 27 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| CHINESE ACADEMY OF SCIENCES | 92 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 67 |
| UNITED STATES DEPARTMENT OF ENERGY (DOE... | 34 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTI... | 26 |
| NORTHWESTERN UNIVERSITY | 20 |
| UNIVERSITY OF TEXAS SYSTEM | 18 |
| MAX PLANCK SOCIETY | 16 |
| PENNSYLVANIA COMMONWEALTH SYSTEM OF HIG... | 16 |
| STANFORD UNIVERSITY | 16 |
| UNIVERSITY OF ILLINOIS SYSTEM | 15 |