...含氢尾气；变压吸附；低温吸附；氢气 [gap=609]Key words：residual gas of styrene plan t；PSA；low temperature adsorption；hydroge ...
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The method of production of high purity hydrogen by low temperature adsorption is ripe in China.
采用低温吸附法生产高纯氢，在国内已是很成熟的方法。
We compared effects of freeze drying, hot air drying and low temperature adsorption drying to potato's quality.
考察了热风干燥、冷冻干燥对马铃薯粒品质的影响，并与吸附干燥结果进行了比较。
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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