地表排水

研究数字高程模型（DEM）在滑坡地表排水辅助设计中的应用。

This paper studies the application of digital elevation model ( DEM ) to the design of the surface drainage ditch system .

对于坡度较陡（20°）、厚度较大（≥6m）的土质岸坡、或强风化花岗岩岸坡，宜以格构锚工程为主，结合地表排水等进行防护。

To stabilize those soil and strong weathered granite bank slopes which are thicker than 6 m , and gradients are greater than 20 °, grid anchorage technique and surface drainage should be taken .

防治工程主要是坡面整治和地表排水等.由湖北省政府组织实施。

Mitigation measures applied include surface consolidation and drainage organized by the Hubei Provincial government .

重庆地区侏罗系地层滑坡的治理，首先在作好地质勘查工作后应建立地表排水系统、施抗滑桩群及挡土墙。

In this paper , we inquired into the treatment of highway slide slope and the tunnel cavern out on the land of Chongqing area .

对于下伏完整基岩，且土层较薄（<6m）的土质岸坡或混合型岸坡，宜以挡土墙工程为主，结合地表排水等进行防护；

To stabilize those soil and combination bank slopes which are thinner than 6 m , and base grounds are stable , retaining walls and surface drainage should be taken ;

最后，根据滑坡排水系统投入正常运营后的实际排水情况和数值模拟结果，对地表排水和地下排水的效果进行了分析评价。

Finally , according to the practicable draining situation after the drainage system of the landslide worked normally and the results of the numerical simulation , the effects of the surface and underground drainages are analyzed .

因此，决定在继续加强稳定性监测的基础上，1998年11月对滑坡进行适当的加固整治，包括滑坡地表排水、地下排水、前缘锚桩和防冲护岸等措施后，工程效果良好。

Therefore , besides continuous monitoring , the additional reinforcement works to the landslide were performed in November of 1998 , including surface water and underground drainage systems , anchor piles , bank protection etc. The observed data show the effect of these measures is good .

现经技术改造，沿沟边设置了搁置盖板的台阶，避免了盖板突出地表面，同时采用了扁钢格栅盖板，增大了盖板的承载能力，提高了地表排水性能。

Now steps have been made to avoid the protrusion of the cover plates from ground surface , and the bearing capacity of the cover plates and the surface drainability of the open channels have been enhanced by the application of the flat steel grid plates .

国道312线六盘山地段二级公路的排水系统是由路面排水、坡面排水、地表排水沟渠、横向排水及路基地下排水等四个部分组成的具有自身特色的综合性排水系统。

The drainage system of the second-grade highway belonging to No. 312 national road in Liupan mountain area is a comprehensive system with self-characteristics , composed by four components which are pavement drainage , sloping drainage , ditches of surface drainage , transverse drainage , and underdrainage of roadbed .

将概念设计理念融入防治工程设计，提出了总体治理方案的优化，综合选取以地表排水加锚索工程为主的治理方案，并进行了详细的优化设计与数值计算结果的验证。

The optimization design of control project for the landslide is proposed with the idea of " Conceptual design " . The treatment method is to introduce engineering practices such as surface drainage , Prestressed anchor-hold piles , and the detailed optimization design and numerical calculation are worked . 4 .

农田地表控制排水对排水中磷质量浓度的影响

Effects of controlled drainage from field surface on concentration of phosphor discharge

减少氮流失的田间地表控制排水措施研究

Effect of drainage controlling devices on nitrogen losses in surface runoff of farmland

地表控制排水对氮质量浓度和排放量影响的试验研究

Experimental study on effect of controlled drainage from ground surface on concentration and discharge of nitrogen

城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。

The urban rainfall runoff pollution originates from the precipitation , the urban surface and the drainage system .

运用多目标决策技术，减少农田排水氮、磷输出，保持适宜作物生长的土壤含水量，探讨地表控制排水的控制时间。

In order to reduce nitrogen and phosphorus in the farmland drainage and to keep suitable water content in soil , multi-objective decision technique was used to determine the control time of surface drainage .

水电工程主体工程设计中具有水土保持功能的工程主要有开挖形成的非岩石边坡的防护工程、地表截排水工程和绿化工程等。

Engineering of functioning soil and water conservation have engineering prevented and protected for no-rock slope dug , engineering to drain on the ground and engineering to plant trees in the major engineering design .

以控制排水氮浓度和土壤入渗为目标函数，建立了既减少氮流失又防止涝渍的多目标控制排水模型，探讨了最优的地表控制排水时间。

For preventing from harmful water-logging due to impertinent long period detention of surface water , a model for optimizing the management of drainage control based on multi-objective optimization method is proposed , in which concentration of nitrogen in water and infiltration are regarded as the objective functions .

为保证校区E道路的正常运行及拟建科技中心的安全，本文提出了采用抗滑桩及挡土墙为主，辅以地表、地下排水工程等综合治理方案。

In order to ensure the safety of the road and the proposed Science and Technology Center , the authors recommend a comprehensive control program , which combines glide-resisting stake and earth-retaining walls .

在对滑坡成因机理深入研究的基础上，制定了相应的地表和地下排水工程措施。

On the basis of the thorough research on the formation mechanism of the landslide , the relevant engineering measures of the surface and the underground drainages are framed .

直接紫外双波长分光光度法测定铀矿山地表水、外排水中硝酸根和亚硝酸根

Simultaneous determination of nitrate and nitrite in natural water and waste water from uranium mines with dual-wavelength spectrophotometric method

地表水源可以通过排水、大气沉积而被污染，局部地区地表水源的铅水平可能是由于打猎子弹或钓鱼铅锤中的铅溶出造成的。

Surface water sources can be contaminated through runoff ( drainage ), atmospheric deposition , and , on a local level , by leaching of lead from game shot or fishing sinkers .