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在研究了海水中石油烃自然风化模式的基础上，以实验室模拟，研究了原油和燃料油自然风化速率的差异以及微生物含量对风化速率的影响，结果表明，原油的自然风化速率稍低于燃料油，尽管微生物含量增加使其对石油烃降解的绝对量明显增加，但对烃类被降解的百分率以及风化速率常数基本上没有影响。由于微生物的含量本身就是海水中石油烃含量的函数，因此石油烃的风化速率仅为油含量的函数，而与微生物的含量无关。
Based on the study of the natural weathering pattern of petroleum hydrocarbons in seawater, the natural weathering rates of crude oil and fuel oil and the effects of microbial content on weathering rate were studied by laboratory simulation. The results show that the natural weathering rate of crude oil is slightly lower than that of fuel The oil, despite the significant increase in the absolute amount of petroleum hydrocarbon degradation due to the increase in microbial content, has essentially no effect on the percentage of hydrocarbon degradation and the rate of weathering rate constants. Since the microbial content itself is a function of petroleum hydrocarbon content in seawater, the weathering rate of petroleum hydrocarbons is only a function of oil content but not microbial content.