... self-purification 自净化，自纯化，自净[作用] self-purification ability 自净能力 self-purification activity 自净活性 ...
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Slow-flow water bodies are important components for maintaining the ecological balance,but their mobility are small with weak self-purification ability.
缓流水体是维持生态平衡的重要组成部分，但由于自身流动性小，自净能力弱的特点正处于被忽视被破坏的状况。
参考来源 - 缓流水体污染修复技术及保护措施研究—《南水北调与水利科技》—2008年第3期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
Water environment impact is related to the style and strength of the activities and with the water areas self-purification ability.
旅游活动对水环境的影响除了与活动方式、活动强度有关外，与水域面积、自净能力亦有显著的关系。
To improve the self-purification ability and pollution situation of river water, control the pollution load and ensure the river basic flow are two important ways.
在控制污染负荷排放的同时，也要保证河流基本流量，提高水体自净能力，改善渭河水体的污染现状。
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。
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