权威例句
As a prototype of azeotropic mixture, water - ethanol system was studied experimentally. [水 - 乙醇体系作为一种典型的共沸混合物被研究。]
To solve these problems, we proposed azeotropic mixture auto - cascade heat pump in this thesis. [为解决这些问题,在本文中, 我们提出了非共沸混合工质自复叠热泵循环。]
The catalysts, reactor and separating methods for the azeotropic mixture in transesterification were emphasized. [讨论了酯交换法中采用的催化剂 、 反应过程及装置以及反应中产生的共沸物的分离方法。]
The yield of 1 is improved by cyclohexane-aided azeotropic removal of AcOH from the reaction mixture. [结论通过加入环己烷与醋酸共讲的方法来除去醋酸,提高了化合物1的收率。]