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.An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was i...
But , up to now the software development environment which is mature and acceptant has been absent.但迄今为止,仍缺乏成熟的、易接受的agent软件开发环境.Today, most of the company consider acceptant ratio as a good achievement in quality.今天, 大部分...