国家/地区发文分析
国家/地区发文量
| 国家/地区 | 数量 |
|---|---|
| CHINA MAINLAND | 1584 |
| USA | 699 |
| Iran | 302 |
| Canada | 223 |
| Brazil | 161 |
| Australia | 144 |
| Saudi Arabia | 112 |
| England | 99 |
| Norway | 93 |
| Malaysia | 80 |
机构发文量
| 机构 | 数量 |
|---|---|
| CHINA UNIVERSITY OF PETROLEUM | 720 |
| CHINA NATIONAL PETROLEUM CORPORATION | 304 |
| SOUTHWEST PETROLEUM UNIVERSITY | 226 |
| CHINA UNIVERSITY OF GEOSCIENCES | 194 |
| SINOPEC | 193 |
| UNIVERSITY OF TEXAS SYSTEM | 125 |
| CHINESE ACADEMY OF SCIENCES | 98 |
| TEXAS A&M UNIVERSITY SYSTEM | 86 |
| CHINA UNIVERSITY OF MINING & TECHNOLOGY | 78 |
| UNIVERSITY OF CALGARY | 69 |