提氦
- 【石油】helium extraction
提氦-
膜分离法与深冷法联合用于从天然气中提氦
A permeation cryogenic hybrid scheme for helium separation from natural gas
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通过对目前提氦技术的分析介绍，低温冷凝法较为成熟，但能耗、成本较高；
Through analysis on the present technologies , this study discovered that low-temperature condensation is a relatively matured method with high cost and highly-consumed energy ;