benzene extract
常見(jiàn)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?fàn)t煤氣中的苯族烴以及提取甲基萘,苊等。
www.koppers-china.com - 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樹(shù)脂分別經(jīng)乙醇、丙酮處理前后的浸出液及經(jīng)樹(shù)脂吸附后的梔子洗脫液 ,以氣相色譜法檢測(cè)其中苯、甲苯、二甲苯、苯乙烯殘留物的含量。 - 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.
選用己二腈- 二甲基乙酰胺組成的混合溶劑,對(duì)環(huán)己烷、 環(huán)己烯和苯組成的三元體系進(jìn)行了萃取精餾。 返回 benzene extract