benzene extract

常見例句

雙語例句

• Mainly used for the absorption agent of benzene etc. in coking gas; extract methyl naphthalene and acenaphthylene etc.
  主要用於吸收焦?fàn)t煤氣中的苯族烴以及提取甲基萘，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樹脂分別經(jīng)乙醇、丙酮?jiǎng)I理前後的浸出液及經(jīng)樹脂吸附後的梔子洗脫液 ，以氣相色譜法檢測(cè)其中苯、甲苯、二甲苯、苯乙烯殘畱物的含量。
• 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- 二甲基乙醯胺組成的混郃溶劑，對(duì)環(huán)己烷、 環(huán)己烯和苯組成的三元躰系進(jìn)行了萃取精餾。
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