1) water requirement of a stream's self purification
河道自净需水量
2) water requirements for self purification of the stream
自净需水量
1.
The paper has computed the water requirements for self purification of the stream-channel in the middle and lower reaches of Huifa River according to the point po.
辉发河是松花湖的一个主要污染源,探讨其自净需水量,可有效保护松花湖水资源。
3) ecological water requirement
河道生态需水量
1.
In view of the present ecological problems in the Dalinghe River Basin,this paper estimated ecological water requirement(including ecological base-flow,self-purification water and sediment transmission water) and ecological water supply from water resources regionalization.
本文从大凌河流域存在的环境问题出发,分别估算了各水资源分区的河道生态需水量(包括生态基流量、自净需水和输沙需水)及各区的河道生态需水贡献量。
4) net water requirement
净需水量
6) the lowest environmental river water demand
河道最小生态需水量
补充资料：自净
【自净】
（术语）三自之一。(参见：三自)
（术语）三自之一。(参见：三自)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条