equilibrium still meaning in English

平衡釜
平衡蒸馏装置

The optimum results are gotten by simulation of changing the value of some variable such as feed position , theoretical tray . the optimum value can be used to guide industrial design . both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data . besides , liquid - liquid equilibrium still is designed by onself , and its credibility is checked by the experimental data of the system acetic acid water - isopropyl acetate at 24
对乙酸-水-乙酸异丙酯体系和乙酸-水-乙酸丁酯体系，分别进行了进料板位置、理论板数的优化计算，得到的优化结果可用于指导工业过程的设计；对采用乙酸正丁酯和乙酸异丙酯作夹带剂时的操作进行了综合比较。