发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| Bulgaria | 40 |
| Russia | 6 |
| CHINA MAINLAND | 2 |
| Romania | 2 |
| Ukraine | 2 |
| Egypt | 1 |
| GERMANY (FED REP GER) | 1 |
| Greece | 1 |
| USA | 1 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| BULGARIAN ACADEMY OF SCIENCES | 34 |
| MILITARY ACADEMY VASIL LEVSKI | 4 |
| COMOTI - ROMANIAN RESEARCH & DEVELOPMENT INSTI... | 2 |
| NINGBO UNIVERSITY OF TECHNOLOGY | 2 |
| RES INST AEROKOSMOS | 2 |
| RUSSIAN ACADEMY OF SCIENCES | 2 |
| TECHNICAL UNIVERSITY SOFIA | 2 |
| AGRICULTURAL ACADEMY - BULGARIA | 1 |
| BOSTON UNIVERSITY | 1 |
| BULGARIAN ACAD SCI NIGGG BAS | 1 |