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
In this article, we studied the occurred condition of cavitation in pipe design based on the hydrodynamics and the configuration theory. and offered the resolved method.
本文结合实例运用流体力学、电机结构原理定量研究了管路装置设计中汽蚀产生的条件，并提出了解决的方法。
The nonlinear free surface boundary condition is considered and the hydrodynamics forces of the hydrofoil near the free surface are calculated by the submerged vortex lattice method.
考虑到非线性的自由液面边界条件，用下潜涡环栅格法求解水翼绕流问题。
In depressurized condition, multi-scheme experiments of propeller hydrodynamics performance have also been accomplished under different number of cavity and ratio of submergence.
减压情况下，通过既改变空泡数又改变浸深比的多方案螺旋桨水动力性能试验来建立和完善半浸桨空化性能试验技术。
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