...19 脂质(lipids) 20 凯库勒的苯环结构(kekulé, benzene, and the blem of aromaticity) 21 苯与环己烷(benzene and cyclohexane) 22 非苯系芳香族化合物(non-benzoid aromatic system) 23 止痛剂(pain reliefers) 24 羰基化学(carbonyl chemistry) 25 环己烷(...
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Benzene as raw materials in order to be more than 250 kinds of synthetic organic chemicals, but the main derivatives for ethylbenzene, cumene, cyclohexane and nitrobenzene.
以苯为原料可合成250种以上的有机化学品，但主要衍生物为乙苯、异丙苯、环己烷和硝基苯。
Benzene, cyclohexane and normal pentane etc. are frequently used as entrainers in industrial production of anhydrous alcohol through constant boiling and fine distillation.
工业生产中常用苯、环己烷、正戊烷等作夹带剂进行恒沸精馏生产无水乙醇。
The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.
本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方 法。
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