It is concluded that the modern concept of inorganic petroleum origin has gradually been formed.
油气无机成因的现代概念已逐渐形成。
The invention relates to a method of regenerating used oils of petroleum origin by means of extraction with aliphatic solvents.
本发明涉及一种通过脂族溶剂萃取将石油源废油再生的方法。
Various theories and suppositions have been proposed about the origin of petroleum hydrocarbons. It is really a hot topic .
有关石油碳氢化合物的起源问题，有着各种各样的理论和推测，可以说是一个热门话题。
I think the theory of inorganic origin of petroleum hydrocarbons has not been generally accepted. It is merely of historical interest.
我认为石油碳氢化合物无机来源的理论未能被多数人接受，它仅在过去引起过某些人的兴趣。
Two schools of thought regarding the origin of petroleum exist .
关于石油的成因有两大学派。
The science of petroleum geochemistry is the application of chemical principles to the study of the origin, migration, accumulation, and alteration of petroleum.
石油地球化学是应用化学原理研究石油的成因、运移、聚集与蚀变的科学。
The paper, according to the present situations of the oil pollution, introduces the origin, hazard, translation and biodegradation of the petroleum contaminants in seawater.
文章根据海洋油污染的现状，介绍了海洋石油污染的来源、危害、转归以及对污染的生物修复等内容。
The paper, according to the present situations of the oil pollution, introduces the origin, hazard, translation and biodegradation of the petroleum contaminants in seawater.
文章根据海洋油污染的现状，介绍了海洋石油污染的来源、危害、转归以及对污染的生物修复等内容。
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