benzene extract

常见例句

Mainly used for the absorption agent of benzene etc. in coking gas; extract methyl naphthalene and acenaphthylene etc.
主要用于吸收焦炉煤气中的苯族烃以及提取甲基萘，苊等。
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METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.
方法取AB -8树脂分别经乙醇、丙酮处理前后的浸出液及经树脂吸附后的栀子洗脱液，以气相色谱法检测其中苯、甲苯、二甲苯、苯乙烯残留物的含量。
The separation of three-component system of cyclohexane, cyclo-hexene and benzene by extract rectification with a mixed solvent, comprising hexyl dicyanide and dimethyl acetylamine has been studied.
选用己二腈- 二甲基乙酰胺组成的混合溶剂，对环己烷、环己烯和苯组成的三元体系进行了萃取精馏。