国家/地区发文分析
国家/地区发文量
| 国家/地区 | 数量 |
|---|---|
| CHINA MAINLAND | 2660 |
| USA | 2547 |
| GERMANY (FED REP GER) | 992 |
| Japan | 803 |
| India | 682 |
| France | 669 |
| Spain | 419 |
| England | 409 |
| Italy | 409 |
| South Korea | 355 |
机构发文量
| 机构 | 数量 |
|---|---|
| CHINESE ACADEMY OF SCIENCES | 575 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) | 538 |
| UNITED STATES DEPARTMENT OF ENERGY (DOE) | 530 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 273 |
| INDIAN INSTITUTE OF TECHNOLOGY SYSTEM (IIT SYSTEM) | 232 |
| HELMHOLTZ ASSOCIATION | 208 |
| CONSIGLIO NAZIONALE DELLE RICERCHE (CNR) | 180 |
| RUSSIAN ACADEMY OF SCIENCES | 173 |
| MAX PLANCK SOCIETY | 135 |
| CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS (CSIC) | 127 |