指出炼油厂采用膜分离技术回收氢及用催化裂化干气中的乙烯生产苯乙烯，是合理利用石油副产物的有效途径。

Recovery of ethylene from dry gas and utilization of ethyl benzene are described, and it is pointed out that recovery of hydrogen by the membrane separation and production of styr...

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该款车动力来源是氢燃料电池，电池产生水并被作为回收物储存在一个存储器内以备之后使用。

It is powered by a hydrogen fuel cell that generates water as the final mechanical waste and can be collected in a holding tank for later use.

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用氯化物氢还原法从废料中回收高熔点金属和合金具有良好未前景。

Hydrogen reduction of chlorides is a perspective recovery process for refractory metal and alloy scraps.

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