To ensure that the extractionequilibrium, with working rationally;
要确保采掘平衡、工作面布局合理；
2
The distribution data of extractionequilibrium serves as the basis for process optimization, design and control of the extraction production process.
萃取平衡分配数据是进行萃取流程工艺优化设计及萃取生产过程控制的基本依据。
3
The extraction of acetic acid by amines is a kind of chemical extraction. There are some connections between reaction equilibrium constant and distribution equilibrium constant.