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 biodegradation rate was greatly influenced by the sediment content and the initial concentration of petroleum contaminants, and such effect was different from one degradation stage to another.
水体中泥沙的含量和石油类污染物的初始浓度均显著影响石油类污染物的生物降解速率，且在不同时段的影响不一；
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