This project forced on resolve the measure of the Initial boiling point, 10%~90% distillation temperature, Final boiling point and the distillation rate problem.
本设计重点解决初馏点、10%~90%馏出温度、干点测量以及油体馏出速度控制两大问题。
Molecular distillation is a new separation technology, which has various properties such as lower distillation temperature, shorter heating time and higher separation efficiency.
分子蒸馏技术是一种新型的分离手段，具有蒸馏温度低、受热时间短、分离程度高等优点，在天然产物的分离与提纯方面有着重要应用。
The purification methods of phosphine include adsorption method, low temperature distillation method and membrane separation method etc.
总结了磷化氢的精制方法，主要有吸附法、低温精馏法和膜分离法等。
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