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。
The purification methods of phosphine include adsorption method, low temperature distillation method and membrane separation method etc.
针对氢同位素低温精馏物系的特点，提出了一种新的操作方法——准间歇精馏操作。
A new kind of operation policy-Quasi-batch distillation is proposed for specific conditions in hydrogen cryogenic distillation.
应用严格的热力学模型研究了带有侧线返回进料的氢同位素低温精馏塔的分离特性。
A rigorous thermodynamic model was used to study the characteristics of cryogenic distillation column of hydrogen isotope system having feedback stream.
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