基于能值的能源投入回报方法及其应用——以大庆油田为例 |
| 陈英超, 冯连勇, 王建良 |
|
Emergy-based energy return on investment method and its application in Daqing Oilfield |
| CHEN Yingchao,FENG Lianyong,WANG Jianliang |
| 表7 2007-2012年污染物背景浓度 |
| Table 7 The background concentration of emissions from 2007 to 2012 |