Tolerance of sodium alkyl carboxylic acid auxiliaries to hard water .

烷基羧酸钠浆纱助剂的耐硬水特性。

Classification , nomenclature and isomerism of alkyl halides .

卤代烷的分类,命名及同分异构现象。

Age alkyl and isooctane are to determine the main standard of fuel oily octane number is oily .

正庚烷和异辛烷是测定燃料油辛烷值的主要标准油。

An alkylating agent that adds an ethyl group ( a kind of alkyl group ) to target molecules .

一种烷化剂，能将一个乙基（烷基的一种）加到目标分子上。

Ab initio calculation of c-i bond dissociation of two alkyl iodide molecules .

两种烷基碘化物分子ci键解离的从头计算。