When the speed of flowexceeds 1.5 m/h, the hydrodynamics condition was propitious to the degradation of organicmatters in the river, but it promoted the release of phosphorus of sediment from the bottomof river and caused the rise of nutrient.
当流速超过1.5m／h时，水动力条件有利于河道中有机物的降解。
参考来源 - 平原地区城市内河河道结构与水质恢复关系的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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