When adding 10mg/L petroleum contaminants to the Yellow River water samples containing 0 or 0.5g/L sediment, the petroleum contaminants-degrading bacteria increased gradually after about one week of acclimatization.

• 结果表明 ,向泥沙含量为 0g/L或 0 5 g/L的黄河水样中加入大约 10mg/L的石油类污染物 ,经过一星期左右的驯化期后 ,石油降解菌菌落水平逐步升高 ;