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- This is the important link for problems of subsurface flow. 这是解决地下水问题的重要一环。
- The development of subsurface flow in soil slope due to rainfall infiltration has been studied with numerical analysis. 摘要对降雨渗入坡面土壤所产生地下水流的进展过程进行了数值解析计算。
- The shapes of ground water levels for development and decline of subsurface flow were shown. 做出变化坡度所对应的地下水位的形状图。
- Subsurface Flow is the flow of water underground, in the vadose zone and aquifers. 地下水流是水于地下蓄水层或地下水位线以上的空间流动。
- In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined. 数值计算验算了降雨的方式,斜坡地层的形状以及坡度的变化对地下水位进展和衰退过程的影响。
- The development and decline of subsurface flow in soil changing slope due to rainfall infiltration were studied with numerical analysis. 摘要用数值解析研讨了降雨渗透变化坡面的地下水流的进展和衰退过程。
- As a new technology for wastewater treatment,vertical subsurface flow constructed wetland has good practical value and application prospect in town sewage resourcing. 垂直潜流人工湿地是一种新型的污水处理技术,在城镇污水资源化中有良好的实用价值和应用前景。
- Simulation analyses for steep slope indicate the shape of subsurface flow slides downward decreasingly and the ground water level declines slowly after the stop of rainfall. 对于渗透坡面,仿真分析说明了降雨停止后,地下水的形状慢慢地滑落,地下水位减退。
- Study on dynamical behavior of nuclides transportation in subsurface flow is a critical part of a performance assessment for an underground repository for radioactive waste. 研究放射性核素在地下水环境中传输的动力学行为是评价核废料处置库安全性能的一个关键性问题。
- In numerical calculations, the effects of rainfall pattern, rainfall intensity, coefficient of permeability and shape of slope layer to the development of subsurface flow are examined. 讨论了降雨的方式,降雨的强度,渗透系数以及斜坡地层的形状对地下水流进展过程的影响。
- Many relative literatures and exiting projects show that subsurface flow constructed wetlands (SFS) can effectively remove BOD from the system, but less effectively for denitrification. 摘要从相关文献与实际工程来看,潜流式人工湿地对含氮污染物的去除效果与含碳污染物的去除比相对较弱。
- Many relative literatures and exiting projects show that subsurface flow constructed wetlands(SFS) can effectively remove BOD from the system,but less effectively for denitrification. 从相关文献与实际工程来看,潜流式人工湿地对含氮污染物的去除效果与含碳污染物的去除比相对较弱。
- Subsurface flow type constructed wetland system used for domestic sewage treatment has average removal rate of COD and TP above 85% and 80% respectively,and removal rate of total nitrogen about 55%. 潜流式人工复合生态床对生活污水中COD和TP的平均去除率分别为85%25和80%25以上,对总氮去除率为55%25左右。
- According to the direction of water flow, constructed wetland systems are divided into three types, such as surface flow wetland (SFW), subsurface flow wetland (SSFW), and vertical flow wetland (VFW). 人工湿地按水流方向可分表面流、水平潜流和垂直流三种类型。
- A simulation of storm runoff treatment with three types of subsurface flow wetlands(SFS) of the pilot-scale bed of blank plant,Phramites communis and Zizania caduciflora was studied. 进行了3种人工潜流湿地(无植物空白床、芦苇床、茭草床)控制暴雨径流中氮、磷浓度的冲击负荷试验,考察了潜流湿地对氮、磷的去除效果及其耐冲击负荷能力。
- Experiments of nitrogen and phosphorus removal from rural domestic wastewater in the Taihu Lake basin were carried out by the two-stage subsurface flow constructed wetland process. 采用二级串联潜流式人工湿地系统对太湖地区农村生活污水进行了脱氮除磷的试验研究。
- It is found, in one-dimensional subsurface flows, that porosity and storativity play an important role in the propagation of the head potential fluctuation. 由研究发现,一维地下水层中,受扰动地下水水头的传递快慢受饱和土壤储水系数及有效孔隙率的影响。
- The purpose of this study is to develop a numerical model and simulate the behavior of the head potential fluctuation in subsurface flows. 摘要本研究建立数值方法模拟地下水中水头扰动的行为。
- subterranean passages; a subsurface flow of water. 地下通道;水面下的流动。
- Najafi, M. R., Lee, K. T., Hossein, S. M. (2006). “ANN modeling estimation for surface and subsurface flows based on watershed geomorphology.” Journal of Agricultural Science and Technology, Accepted. 李光敦,钟逸茹,黄仁国(2006).;“集水区暴雨尺度对迳流之非线性关系分析