The installation area should set drainage facilities, to guarantee the anti-pollution isolating valve will not be submerged in water. 安装地域应设有排水设施,保证防污隔断阀不被水淹没。最好将试验球阀出口和排污口接排水管。
With a big flow rate, it is suitable for the use of plain river network area and hilly irrigation and drainage, piscina water supply and drainage industrial water supply and drainage. 本产品流量大,适用于平原河网地区和丘陵灌区,特别适用于农田排灌、鱼塘供排水及工业供排水。
The drainage systems of urbanized area include the municipal drainage systems that consist of rain pipes and the hydrological drainage system that developed from the farm drainage system. 城市化地区的排水系统不仅包括由市政雨水管网构成的市政排水系统,还包括原属农田排涝范畴的区域排涝系统。
Pumping collected water from mining area is the job of drainage system in pumping house under mine, which has closely relations to mining security and efficiency. 井下水泵房排水系统担负着整个矿井积水排除的任务,其安全可靠性直接影响矿井生产的效率和安全。
With the exploitation of coal mine resources in Jiaozuo coal mine area, mine drainage has caused many environmental geological problems such as the underground water level descending and water environment pollution in the coal mine area, which have seriously restricted the development of the coal industry. 焦作矿区随着煤矿资源的开发,矿坑排水造成的环境地质问题日益突出,主要表现为区域地下水位下降及矿区水环境污染问题,已严重制约着焦作煤炭工业的发展。
After the water drainage experiment on the construction area, the drainage scheme is determined. The scheme has also been applied to the other projects in this area and achieved good results. 通过在施工区域做降水实验,确定降水具体方案,并通过该方案在该区域其他工程项目上的运用取得了较好效果。
Assessment on Scenarios for the Main Urban Area Drainage Project in Chongqing by Using Linear Distribution Method 用线性分配法评价重庆主城区排水系统方案
Elementary Analysis of Surface Borehole Stability in Gob Area Methane Drainage 地面采空区瓦斯抽放钻孔稳定性分析
The area of the drainage basin and differences in climate and environment markedly impact the export and cycle processes of the riverine carbon. 流域面积的大小及气候和环境性质的差异对河流碳的输移及循环过程影响显著。
The artificial large-diameter well drainage scheme was very successfully applied in Sanya World Trade Centre deep foundation pit in the paper. The success of the project not only have proved that the methods is feasible but also have provided a new way for Sanya area foundation pit drainage. 本文通过阐述人挖大口径井降水方案在三亚世界贸易中心深基坑降水工程的成功运用,说明该降水方案的可行性,为三亚地区基坑降水工程的方案选择又提供了一种新途径。
The environment capacity is based upon scientific research of hydrology character of drainage area, drainage way and transfer disciplinarian of sewage. It also combines the management and control object confirmed by need of environment management. 水环境容量是基于对流域水文特征、排污方式、污染物迁移转化规律进行充分科学研究的基础上,结合环境管理需求确定的管理控制目标。
This paper analyzes all main factors to influence flood peak, such as, the area of drainage basin, slope and streams, etc, and respectively calculating approach are introduced. 本文分析了流域面积、流域坡长和流域坡度、流域河长和河道坡度的量算方法及各因子对设计洪峰流量的影响。
In this paper on the basis of theory of unsteady flow in open channals the effective control area of drainage and tide-blocking sluice gates is analyzed. 本文结合浙江海涂垦区的具体条件,应用明渠不恒定流的基本理论和计算成果,分析了挡潮排水闸的适宜控制范围;
All of these indicate that in the arid desert area the drainage system sediment survey, as a rapid reconnaissance for a big area, is the one of more effective methods for uranium prospecting. 从而说明,在干旱荒漠地区进行水系沉积物测量,快速扫面,是普查找矿远景行之有效的方法之一。
A detailed introduction is given to design of drainage system for expressway in Guangdong area, including subgrade drainage, road surface drainage, pavement structural course drainage, and structure drainage. 详细介绍了广东地区高速公路排水系统的设计,包括路基排水、路面排水、路面结构层排水、结构物排水。
Application of Closed Drainage Technique of North Ningxia Yinchuan Irrigation Area and Monitoring of Drainage Project Effects 宁夏银北灌区暗管排水技术应用与工程效果监测
This article will mainly introduce, analyze endangering char-acterstices of karst and the investigating methods in recharge area, runoff area, drainage area through engineering examples. 本文结合典型工程实例分别介绍了岩溶补给区,径流区和排泄区的地质危害特点、类型及相应的勘察方法。
Moreover, it is proposed that dry drainage can be taken as an important way for the drainge of water and salt, and suitable low lying land should be chosen as the main dry drainage area in the drainage planning of oasis in raid area. 提出在绿洲排水规划时,可将旱排(或内排水)作为一种重要的排水方式,选择合适的洼地作为主要的旱排规划区。
The designing method for the sectional area of drainage ditch in roadway at mine 煤矿巷道排水沟断面设计方法
Discussion on the Vertical Design of Seaside Salina Area Development and Its Drainage Problem 滨海盐碱地开发的竖向设计与排水问题探讨
It is the key to the sustainable development of drainage area that interests in drainage area is harmonized by the drainage area management institution. 只有将流域管理机构和协调流域内部利益紧密结合起来,才是流域可持续发展的关键。
Analysis on Scour and Silting of the Sea Area near Intake and Drainage Project of Hui-an Nuclear Power Plant 惠安核电厂取排水口工程海区冲淤演变分析
The development of hydrologic theories and optimum technology, especially the deepened research in large systems theory, have made the sustainable development of water resources in a certain district, area, and drainage possible. 随着水文学理论和优化技术的发展,尤其是大系统理论的深入研究,使一个区域、地区和流域水资源可持续发展研究成为可能。
Water Quality Model Study of Surrounding Area of Drainage Outlet of Funan River 府南河排污口近区水质模型研究
1991 flood and waterlogging and strategy to reduce disaster issue of rural area in Huaihe drainage basin of China 1991年淮河流域农村洪涝灾情分析环境保护与拉丁美洲
Set up target system of flood flowing and storing area design back-evaluation by the means combined with theory analysis and expert consultation. Then evaluate the flood flowing and storing area design of huaihe drainage basin with fuzzy synthetical evaluation method. 采用理论分析与专家咨询相结合的方法,建立了行蓄洪区规划后评价的指标体系,并运用模糊综合评判法对淮河流域行蓄洪区规划进行了评价。
This study put forward the image concept such as "area of drainage" and "negative pressure". This paper also analysis the design ideas, design technique, technical requirements, attention and the outstanding advantages. 该研究中提出了面积排采、负压等形象化的概念,分析了此项新技术的设计思路、设计方法、技术要求、注意事项以及突出的优点等,确定了该项技术的可行性。