丁二烯是石脑油和瓦斯油的蒸汽裂解的副产物。
Butadiene is found as a byproduct in the steam cracking of naphtha and gas oil to make ethylene and propylene.
最广泛使用的介质可能一般采用瓦斯油沸程内的高沸点石油馏分。
Probably the most widely used medium is a high-boiling petroleum fraction, usually in the gas-oil range.
石油溶液是以沥青质为胶束中心，胶质为溶剂化层，瓦斯油分为分散介质的胶体分散体系。
The petroleum solution is a colloidal dispersion in which the asphaltene comprises the micellar nucleus, the resin forms the solvation layer and the remaining gas oil ACTS as the dispersing medium.
探讨了以减压瓦斯油掺炼部分焦化蜡油为进料时催化剂组成及性能对催化裂化产品分布等的影响。
The effects of catalyst composition and properties on yield distribution of catalytic cracking of coker gas oil containing feedstocks were studied.
当刚性管出现裂纹，油和瓦斯精炼厂就会发生爆炸。
原来用于螺杆压缩机的矿物油因与瓦斯气混溶而被稀释，使压缩机的故障率大增。
Mineral oil for helical-lobe compressor is diluted and this increases the fault of compressor.
原来用于螺杆压缩机的矿物油因与瓦斯气混溶而被稀释，使压缩机的故障率大增。
Mineral oil for helical-lobe compressor is diluted and this increases the fault of compressor.
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