oil yield efficiency的意思|示意

Considering factors of extraction efficiency, oil yield and environmental protection, the ultrasonic extraction and the supercritical carbon dioxide fluid extraction are the appropriate methods.

从提取效率、油的得率及绿色环保几个因素综合考虑，超声波提取法和超临界二氧化碳萃取法是比较理想的两种提取方法。

By broking the wall of powdered oils with ultrasonic, the oil extraction efficiency yield was 65%, which met the need of determining POV.

超声波破壁法提油其提油率可达65%左右，可满足测定要求。