The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.
以二氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反氨基酸类咪唑啉型两性表面活性剂。
The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.
以二氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反氨基酸类咪唑啉型两性表面活性剂。
The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.
方法用于二氯乙烷及丙酮中各组分谱的提取,获了满意的结果。
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,其表达内容亦不代表软件的观点;若发现问题,欢迎向我们指正。