泵站

With respect to the optimization design of sewer network,tree structured theory was used to depict the sewer network,ternary tree form was proposed to treat the sewer network structure,and pipe section was regarded as node in this study.

对于污水管网的优化设计，采用了图论中树形结构的理论来描述污水管网，提出用三叉树的形式来处理污水管网的网络结构，把管段当作树的节点作为研究对象；利用树的遍历中的后序法进行水力计算，在优化计算时采取了枚举标准管径法来选取管径，可以提高运算速度；在优化程序中寻求造价最低、最优的同时考虑了管道费用和泵站费用。

Based on the integral hydraulic model test of SHANGHAI CHANGQIAO waterwork s water-transport pumping station,some research on the hydraulic characteristics of the pressurized forbay has been done in the paper.

本文基于上海长桥自来水厂改造工程送水泵站整体水力模型试验，对有压前池的水力特性进行了研究，研究的主要内容如下： 1、无导流措施的有压前池在不同供水组合及不同机组开机组合条件下的水力特性，并分析了流态较差的原因； 2、加设导流墩后有压前池的水力特性，以及加设导流墩流态改善的原因； 3、有压前池进气临界条件的试验研究； 4、水泵进气以后水泵性能的讨论。

In combination with the design of campaniform inlet duct in a certain pumping station of the East Line of South-to-North Water Transfer Project, three different shape suction chamber hydraulic models arid experimet apparatus were designed for testing on hydraulic loss.

结合南水北调东线某泵站钟形进水流道的设计，设计和制作了3种不同形状吸水室模型流道并进行水工试验，测试了流道水力损失。

Project components include: 20,162 mu of slope-terrace conversion, 9,050 mu of dry land-paddy field conversion, 8,700 mu of cold waterlogged paddy field transformation, 4,200 mu of land levelling, 8,430 mu of economic forest construction, 3,120 mu of pasture land development, 102 ponds, a 282km canel, 7 pump stations, 102km road construction, 15,332 water cellars, renovation of 5,470 toilets of rural households and schools, 110,000 person-time training and elimination of functional illiteracy of 30,000 persons.

项目建设主要包括：坡改梯20，162亩，旱改水9，050亩，冷浸田改造8，700亩，土地平整4，200亩，经济林建设8，430亩，发展草场3，120亩，修建水塘102座，渠道282公里，泵站7处，修建道路102公里，水窖15，332个，农户及学校厕所改造5，470个，技能培训11万人次，功能扫盲3万人。

At mine pump stations where compressed-air pipeline is available, the exhauster is an economical and serviceable means for pump priming .

对压缩空气管路条件方便的矿山排水泵站，是解决水泵启动前注水问题的一个经济易行的方法。

While the Oil Ministry mechanistically swells the government coffers, hospitals, water-pumping stations and sewage systems function sporadically or not at all.

当石油部让政府的钱包鼓起来的同时，医院、水泵站、污水系统的运作时断时续或者根本停工。

This subject is finished according to the development of SW2000 that is a kind of intellective nilometer.

水位、闸位计广泛应用于石油、化工、冶金、电力、水利、水库、油库、泵站、城市供水等领域的自动检测和控制系统中，是这些领域不可缺少的一种重要工具。

A new technology of plasma-photocatalysis combination was proposed to remove stenchful gas from sewage pump station.It was showed that this combination technology had a quite notable synergistic effect.And the synergistic effect could be enchanced by adjusting the distance between plasma unit and photocatalysis unit and setting some nets between them to eliminate the influence of negative charges produced by plasma unit.

尝试用一种等离子体光催化复合技术净化污水处理泵站臭气，研究表明，该种复合技术具有较显著的协同促进效应，通过改变等离子体发生单元与光催化单元的距离以及在两者之间放置去静电网，可消除等离子体单元产生的负电荷对光催化单元的不利影响，进一步提高其复合效应。

For the irrigation system without central control system or subcontrol boxes, the flow control depend on the operators. The coefficient of the flow can be 0.6, the flow of pump station is 1573 GPM.

61548；没有配置中央控制系统的也没有场地分控箱的手动喷灌系统，其流量的控制依赖阀门操作工人的操作水平，所以总流量的系数可以取0.6，即泵站流量为1573 GPM

The 3D-flow field in a bell-shaped suction box of a large pumping station of the South-to-North Water Transfer Project is simulated applying Reynolds-averaged Navier-Stokes equation, the standard turbulent model, and SIMPLEC algorithm.

结合南水北调某大型泵站钟形进水流道的设计，采用雷诺平均纳维-斯托克斯方程和标准湍流模型，运用SIMPLEC算法，模拟了钟形进水流道2种设计方案在对称进水工况和偏流进水工况下的三维流场。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。