发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| USA | 21 |
| England | 7 |
| GERMANY (FED REP GER) | 6 |
| Canada | 5 |
| Netherlands | 4 |
| Spain | 4 |
| Brazil | 3 |
| Ecuador | 3 |
| Argentina | 2 |
| Australia | 2 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| UNIVERSITY OF ILLINOIS SYSTEM | 4 |
| NORTHEASTERN UNIVERSITY | 3 |
| UNIV SAN FRANCISCO QUITO | 3 |
| CONSEJO NACIONAL DE INVESTIGACIONES CIENTIFICA... | 2 |
| JOHNS HOPKINS UNIVERSITY | 2 |
| LEIDEN UNIVERSITY | 2 |
| STANFORD UNIVERSITY | 2 |
| STATE UNIVERSITY OF NEW YORK (SUNY) SYSTEM | 2 |
| UNIV NACL CHIMBORAZO | 2 |
| UNIVERSITAT KASSEL | 2 |