国家/地区发文分析
国家/地区发文量
| 国家/地区 | 数量 |
|---|---|
| USA | 8937 |
| CHINA MAINLAND | 4320 |
| GERMANY (FED REP GER) | 3123 |
| England | 2955 |
| France | 1726 |
| Japan | 1449 |
| Switzerland | 1188 |
| Australia | 1152 |
| Canada | 1138 |
| Netherlands | 1016 |
机构发文量
| 机构 | 数量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 1563 |
| CHINESE ACADEMY OF SCIENCES | 1431 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) | 1181 |
| HARVARD UNIVERSITY | 1039 |
| HELMHOLTZ ASSOCIATION | 823 |
| UNITED STATES DEPARTMENT OF ENERGY (DOE) | 817 |
| MAX PLANCK SOCIETY | 790 |
| UNIVERSITY OF LONDON | 746 |
| MASSACHUSETTS INSTITUTE OF TECHNOLOGY (MIT) | 627 |
| UNIVERSITY OF TEXAS SYSTEM | 593 |