A new process and high effective catalyzer of acephate's synthesis was studied in this paper.本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.Acephate is on sale principally in the form of crystal in national and international ...
Dozens of people milled around Charing Cross Road and Denmark Street.很多人在查令十字路和丹麦街周围徘徊。We married in the chapel of Charing Cross Hospital in London.我们是在伦敦查令十字医院的小教堂里结的婚。No additional charge for children under 12 charing ...