extractant的例句（extractant在句子中的用法）

• The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification. 萃取分配系数D测定结果表明,醋酸乙酯是纯化绿原酸的适用溶剂.
• An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was introduced. 介绍了萃取精馏萃取剂的一种实验筛选方法,汽液平衡仪直接法.
• The selectivity of extractant is high and only Au, Pd , Hg ete. are extracted. 该萃取剂选择性高,它仅萃取Au 、 Pd和Hg等几种元素.