The liquid phase oxidation of p -toluic acid at 190 ℃ in the presence of manganese acetate,cobalt actate and tetrabromoethane was studied.
研究了以醋酸钴、醋酸锰和四溴乙烷为催化剂,在190℃时,甲基苯甲酸液相氧化制苯二甲酸的过程。
The liquid phase oxidation of p -toluic acid at 190 ℃ in the presence of manganese acetate,cobalt actate and tetrabromoethane was studied.
研究了以醋酸钴、醋酸锰和四溴乙烷为催化剂,在190℃时,甲基苯甲酸液相氧化制苯二甲酸的过程。
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,其达内容亦不软件的观点;若发现问题,欢迎向我们指正。