泵站

The drain installations of city management is an important key link of civicism job, this text aim at the request of the drainage pumping station of city, design and implement a drainage pumping station remote monitoring system, the system falls into two part, upper monitor and lower monitor, thereinto , the function of upper monitor must have: setup system parameter, data pandect ,trends curve, view the alarm, data search, report form print and remote control, upper monitory user can look over the related information of pumping station, and control the pumping station when the pumping station allowable; the function of lower monitor must have: get real-time data and send the data, get alarm data and send alarm data, alarm tips, switch control mode and control pumps, lower monitor is a simulation application in pumping station, simulate the control and running about pumping station.

城市排水设施的管理是市政工作中的重要环节，本文针对城市排水泵站的需求，设计并实现了一个排水泵站计算机远程监控系统。系统分为上位机和下位机两部分，其中上位机实现的功能为：参数设定、数据总揽、趋势曲线、报警一览、数据查询、报表打印和远程控制，上位机的用户可以查看泵站的相关信息，并且能在下位机允许的情况下进行远程控制；下位机的功能为：实时数据获取和发送、报警获取和发送、报警提示、控制模式切换和控制功能，下位机是一个对泵站模拟的程序，模拟泵站的控制和运行情况。

According to these movement equations, the solid particle random movement model in pumping station forebay is presented.

运用蒙特卡罗直接模拟方法模拟泥沙的三维运动，通过对大量泥沙颗粒运动的模拟，得出泵站前池水流泥沙浓度分布、泵站前池泥沙淤积形态。

Based on the hydraulic model test of Pudong north road pumping station in Shanghai, the hydraulic characteristics of the forebay were studied in the conditions of no diversion, the set-up of water-depressed plate and the set-ups of water-depressed plate and guide piers . Also, the hydraulic characteristic of the siphon outlet piping was studied.

本文结合上海市浦东北路泵站水力模型试验研究课题，从城市排污泵站布置的特点出发，研究和分析了前池在改善流态无工程措施情况下、设置压水板措施和设置导流墩和压水板组合措施情况下前池的水力特性；虹吸式出水管在虹吸形成过程和虹吸破坏过程的水力特性。

Taking application of computer monitoring system in firststage of Jingtaichuan electric lift irrigation project for example,the paper approaches a subject about features of the computermonitoring system and its further development framework, analyzesmonitoring and control of key monitoring objects such as waterlevel of forebay of pump station, pump station unit commitmenttrend, pump unit temperature trend, real-time data, warning system,as well as power switch commitment.

结合景泰川电力提灌工程一期泵站计算机监控系统的应用实际，探讨了高扬程提灌工程泵站计算机监控系统的特点和进一步发展的结构，分析了泵站前池水位及水泵机组开停趋势、水泵机组温度趋势、实时数据、报警，以及电力开关投退和水泵机组开停等重点监控对象的监控。

It is important for safety and high efficiency of pumping station operation to study hydraulic stability of large scale pumping station.

大型泵站的水力稳定性研究对保证泵站的安全、高效运行具有重要意义，随着南水北调跨流域调水工程建设和全国大中型泵站改造的实施。

Yanhuanding Yang Huang works 12 pumping stations, pump station 8 appearing leakage problem of erosion, which have a serious threat to the Yellow Yanhuanding the normal operation of the project In view of the pumping station pumping soleplate leakage have serious corrosion, in order to ensure the normal operation of the pumping equipment, since 1996, study on pumping corrosive leakage process technology are started.

盐环定扬黄工程12座泵站中，有8座泵站出现渗漏侵性问题，严重威胁盐环定扬黄工程的正常运行。鉴于各泵站泵房底板渗漏腐蚀严重，为保证泵站设备的正常运行，自1996年开始就对泵站渗漏腐蚀的处理技术进行研究。

Practically, there are unsteady flow in the water diversion system of the pumping station as a result of the change of upsteam stage and pump operation stage. It has important significance for the optimum operation and management of the pumping station to study on one-dimensional unsteady flow of water diversion system of the pumping station.

同时在泵站实际运行过程中，由于上游水源水位和泵站运行水位变化的影响，引水系统内往往会产生非恒定流，因此，泵站引水系统非恒定流计算研究对泵站的优化运行和管理具有重要的理论意义和实际应用价值。

Based on the real construction process and field environment of Baoying Pumping Station ,a spatial-temporal dynamic numerical simulation of concrete temperature and stress field in the elbow-shaped inlet channel during the whole construction process of the pumping station was performed by use of FEM program.

根据宝应泵站的实际施工过程和现场环境，采用三维非稳定温度场和应力场有限元仿真程序，对该泵站肘形进水流道混凝土施工全过程的温度场和应力场进行时空动态仿真分析，分析了施工期泵站肘形进水流道混凝土结构裂缝产生的原因，提出相应的防裂措施。

Our years of experience in the production of hydraulic system, combined with RISUN performance characteristics of hydraulic parts, my company has developed a dedicated hydraulic pump drill grinding machine, drilling machine pumps, foam machine pumping station, pumping station dedicated machining centers, CNC lathe dedicated pumping station, pumping station and glass machinery dedicated straightening machine dedicated servo pump stations and other products by the vast numbers of users.

秉承多年的液压系统制作经验，结合RISUN液压件的性能特点，我公司开发了磨床专用液压泵钻、加工机床专用泵钻、发泡机专用泵站、加工中心专用泵站、数控车床专用泵站、玻璃机械专用泵站和校直机专用伺服泵站等多个系列产品，深受广大用户的欢迎。

In view of the calculation of the start-up time difference of in-lake and out-lake pumping stations on the upper and lower lakes,this article researches on the following related contents,such as the necessary and sufficient conditions of start-up of out-lake pumping station,the relation between the start-up time of out-lake pumping station and rising velocity of lake water level.

针对南水北调南四湖上、下级湖各自调水的出、入湖口提水泵站开启时间差的计算问题，开展了调水出湖提水泵站开启的必要和充分条件、出湖提水泵站开启时间和湖内水位升高速率等相关内容的研究。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。