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 | 247 |
| England | 80 |
| CHINA MAINLAND | 73 |
| GERMANY (FED REP GER) | 56 |
| Canada | 32 |
| Switzerland | 31 |
| France | 23 |
| Australia | 22 |
| Japan | 21 |
| Netherlands | 21 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNITED STATES DEPARTMENT OF ENERGY (DOE... | 93 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 29 |
| CHINESE ACADEMY OF SCIENCES | 28 |
| STANFORD UNIVERSITY | 25 |
| MASSACHUSETTS INSTITUTE OF TECHNOLOGY (... | 20 |
| UNIVERSITY OF CHICAGO | 19 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTI... | 16 |
| UNIVERSITY OF LONDON | 16 |
| IMPERIAL COLLEGE LONDON | 15 |
| UNIVERSITY OF OXFORD | 15 |