石油化学工业中用冷凝器使烃类及其它化学蒸气冷凝。
The petroleum and chemical industries use condensers for hydrocarbons and other chemical vapours.
因此，本文以石油渣油为原料，通过水蒸气活化、化学活化和类模板法等制备成多孔炭材料。
Thus, we studied the preparation of porous carbons using oil residues as raw materials by traditional steam activation, NaOH activation and template-like method respectively.
液化石油气蒸气爆炸是其储运过程中较易发生且危害极大的一种热力过程。
Vapor explosion of LPG happen frenquently during its storage and transportation, and the consequent damages are usually large.
液化石油气的生产、储运过程中蒸气爆炸事故屡有发生，并导致其他类型的爆炸。
LPG vapor cloud explosions often occur in the production and transportation process and sometimes they cause other types of explosions.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
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