This article has studied the role of clay overburden layer in prevention of contamination from seepage of wastewater ditch to underground water with a analogy method ,and in order to prevent contamination of seepage wastewater, the study defermined the critical thickness of clay overburd layer.
本文通过实际类比的研究方法 ,对粘土覆盖层防治污水明渠渗漏污染地下水的作用进行了探讨 ,并确定了粘土覆盖层防止地面污水渗漏污染地下水所必需的临界厚度范围。
connecting drains and sewers clause
接驳排水渠及污水渠条款
In all, 936 house owners were asked to connect to public sewers.
当局已向合共936名业主发出通知，要求把污水接驳到公共污水渠。
Public sewers are being provided for 38 rural villages and areas that were previously unsewered.
当局正为未有污水设施的38条郊区乡村和地区，提供公共污水渠。
Under the Water Pollution Control (Sewerage)Regulation, the EPD requires house or development owners to connect their sewage to the public sewers.
环保署根据《水污染管制(排污设备)规例》，规定物业业主把污水接驳至公共污水渠。
Revelation for Qindu Dairy Industry from the Event of Dumping Milk into Sewage Trench in Yangling District;
杨陵区鲜奶倒进污水渠事件对秦都奶业的启示
In 1997, 729 house owners responded and connected their premises to the new sewers.
在一九九七年，有729名业主作出回应，把他们的处所的污水接驳至新的污水渠。
Discussion on Using Drainage Pipeline as the Container of Wastewater Treatment
利用下水道管渠处理城市污水的探讨
On treatment of medium and small town sewage based on the sewage pipe channel space
利用污水管渠空间处理中小城镇污水的探讨
Study on the Organic Pollutants in Drainage Channels in Oilfields
油田开发区排水渠有机污染物的研究
The sludge is passed under a vacuum pump and allows the water to pass through a discharge or recirculation drain.
用真空泵除去污泥的固体含量而该泥水则经排水渠或回流渠排出。
Simulating Study on Using of Sanitary Sewers as Municipal Wastewater Treatment Systems;
利用下水道管渠处理城市污水技术模拟研究
3D Numerical Modeling of Flow and Pollutant Convection-Diffusion of Vegetated Channel;
植被渠道水流和污染物输移扩散三维数值模拟
Hydrodynamic Characteristic Analysis of the Ditch for Draining Sewage Basing on the RMA2 Model;
基于RMA2模型雨污排放沟渠的水动力特性分析
Research for Data Monitoring and Management System of Sewage Flow Measuring in Open Channel
明渠污水流量计量数据监测管理系统的研究
Research on the Data Acuquisition and Processing System of Digital Flow-meter for Open Channal Sewage
数字式明渠污水流量计数据采集处理系统研究
Design of Monitoring Software of Sewage Flow Measurement System in Open Channel
明渠污水智能流量计量系统监测软件设计
Manage pollution through guiding the canal, solve the discharge difficult problem of the sanitary sewage in this film district completely.
通过引渠治污，彻底解决该片区生活污水的排放难题。
Eventually, treated effluent will be discharged through an oceanic outfall.
经处理的污水最终会经由一条深海排污渠排放入海。