up and down baffle

The up and down flow subsurface constructed wetland is used to treat the water which from the reservoirs of the Yellow River,and the influence of hydraulic load,hydraulic retention time,temperature and the growth of plants on the constructed wetland\'s treatment effect are investigated.

采用上下回流式人工湿地系统处理引黄水库水,同时考察了水力负荷、水力停留时间、温度以及植物的生长状况等对人工湿地系统处理效果的影响。

Moreover,the complex stages ventilation net was rationally set up by combining the chess-board type with the up-down alternate type.

同时,将上下行间隔式阶段通风网络和棋盘式阶段通风网络有机结合,建立起了二者混合式的阶段通风网络,较好地解决了用风段污风串联、漏风等问题。

This paper is undertaken the phenomenon of the sand motion and scour\|deposition on bottom panel by experimental tests with clear water.

本研究于清水冲刷条件下 ,探讨底部导流式隔板之导流特性及其冲淤现象。