In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以替丁,用氯苯替无水醚合成铜铁试剂的新工艺。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以替丁,用氯苯替无水醚合成铜铁试剂的新工艺。
It is well known that the nitrate and nitrite from environment is causally related to infant methemoglobinemia and esophageal cancer.
环境中的盐暴露与婴儿铁血红蛋白血症及食管癌的病因关联已为人们熟悉。
A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.
报道了以邻氯苯胺、硫氰铵、硫酰氯、钠和氯为主要原料合成草除灵的方法。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不表本软件的观点;若发现问题,欢迎向我们指正。