In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介亚硝酸乙酯代替亚硝酸丁酯,用氯代替无水乙醚合成铜铁试剂的新。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介亚硝酸乙酯代替亚硝酸丁酯,用氯代替无水乙醚合成铜铁试剂的新。
明:上例句、词性分类均由互联网资源自动生成,部分未经过人审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。