self-purification 自净 ; 自然净化
environmental self-purification [环境] 环境自净 ; 环境自净作用 ; 环境的自净
self-purification of water body 水体自净 ; 自净作用
biological self-purification 生物自净作用 ; 生物自净
water self purification 水体自净作用
oxidative self-purification 氧化自净
soil self-purification 土壤自净 ; 土壤的自净
stream's self-purification 河流自净
natural self-purification 天然自净化 ; 天然自净化功能
Metabolism coupling of phytoplankton and microorganism is the basis of indicating culture water's self purification ability and keeping it stable.
养殖水体浮游植物和微生物的代谢偶联，是反映水体自净能力，保持水体稳定的基础。
Mountain streams are different from common rivers in hydrological and geological features. So different also are their self - purification mechanism to organic pollutants.
由于山溪与河流的水文和地质条件不同，所以它们对有机污染物的自净作用机理也很不一样。
Self-purification curves are presented, percentages and rate constants of the purification are calculated, and influence of temperature, flow rate, and turbidity on self-purification are discussed.
绘制了自净曲线，计算了自净百分率和自净速率常数，并讨论了温度、河水流速及浊度对自净作用的影响。
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