国家/地区发文分析
国家/地区发文量
| 国家/地区 | 数量 |
|---|---|
| USA | 1327 |
| CHINA MAINLAND | 1175 |
| GERMANY (FED REP GER) | 454 |
| Japan | 280 |
| France | 260 |
| England | 233 |
| Italy | 191 |
| South Korea | 159 |
| Spain | 157 |
| India | 150 |
机构发文量
| 机构 | 数量 |
|---|---|
| CHINESE ACADEMY OF SCIENCES | 356 |
| UNITED STATES DEPARTMENT OF ENERGY (DOE) | 286 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) | 205 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 176 |
| HELMHOLTZ ASSOCIATION | 87 |
| MAX PLANCK SOCIETY | 85 |
| JILIN UNIVERSITY | 78 |
| UNIVERSITY OF CHICAGO | 77 |
| CONSIGLIO NAZIONALE DELLE RICERCHE (CNR) | 72 |
| RUSSIAN ACADEMY OF SCIENCES | 61 |