lift

By comparing two means of heightening feed pump lift range of reactor in a chemical plant shows that the method of deflection with short vane is an effective mean for heightening lift range and efficiency of the low specific speed centrifugal pump.

通过对提高某化工装置反应器进料泵扬程两种方法的分析对比、实验研究,提出短叶片偏置设计法是提高低比转速离心泵扬程和效率的有效方法。

It is shown after analysis that the efficiency of roto-jet pump is higher than theefficiency of multistage pump and express pump when it operates in the region of low dis-charge and high lift.

通过分析得出旋喷泵在小流量和高扬程工况下运行时，效率高于多级泵和高速泵，在研究旋喷泵集流管与叶轮匹配及集流管扩散段损失的基础上，给出了设计扩散管水力参数的公式。

From the determination of flow and delivery lift,layout and other aspects analyzed is made.

介绍了消防增压设施的种类,对增压设施流量及扬程的确定、位置的布置等方面进行了分析阐述,并对增压设施在消火栓系统和自喷灭火系统中能否合用的问题进行了探讨,以供增压设施设计时参考。

Analysis of influencing factors on the head of screw centrifugal pump;

影响螺旋离心泵扬程的因素分析

Pump head matching in distributed power system;

动力分散系统中水泵扬程的匹配

Based on the working experience, with respect to general feature of pumps used in chemical factories, a set of methods to calculate the parameters, such as flow volume, head, net positive suction head and shutoff pressure, of pumps was summed up.

在整理以往工作经验的基础上,针对化工厂用泵的一般特点,总结出了一套计算泵的流量、扬程、净正吸入压头和憋压等设计参数的方法。

In the research of the influences of geometrical parameters of centrifugal pump on the delivery lift,particular attention should be paid on the research of synthetic influence.

离心泵几何参数对扬程的影响,应当侧重于综合影响的研究。

According to the construction project of heat supply pipe network with long pipe and complicated surface configuration situations the purpose of adding relay pump, location selection and flow calculation as well as delivery lift are introduced.

针对管路较长、地势复杂的供热管网施工,从管网加设中继泵的目的、中继泵位置的确定、中继泵流量扬程的选择计算等方面进行了介绍,指出中继泵的设置减少了管网整体投资,有效地改善了供热状况。

The delivery lift of circulation pump in regional heating boiler plant is calculated.

对新建住宅小区供热锅炉房循环水泵扬程进行了计算。

This paper discusses such design problems in heating systems with the pres- sureless boiler as how the pumping head of the cycle pump is selected ,where the cycle pump is installed and whether the expansion tank is necessary.

针对无压锅炉供暖系统设计中有关循环水泵扬程的选择、循环水泵的设置高度及是否设置膨胀水箱等问题从理论和实践上进行了探讨,得出了可供设计人员实际应用的计算公式,介绍了几个关键问题的处理方法,澄清了一些模糊认识。

low-head centrifugal pump

低水头离心泵，低扬程离心泵

Calculation of Delivery Lift of Circulation Pump in Regional Heating Boiler Plant

小区供热锅炉房循环水泵扬程的计算

Research on Operation Management and Energy Saving Measures of High-lift Step Pump Station

高扬程梯级泵站运行管理与节能措施

Study on the Technology and Design of Aie-filled Floating Flap Valve about Lowhead Pumping Station;

低扬程泵站充气浮箱拍门的技术研究

Practice of water pricing reform in Jingdian Irrigation District;

景电高扬程灌区水价改革实践及思考

A High Efficient Self-Adaptive Head-Based Control for Energy Saving of a Pump

基于扬程自适应的机泵高效节能控制

Application of High-lift Pumps in Forestry Fire Prevention in China

高扬程水泵在我国森林消防中的应用

Study on Water Hammer Protection in Long Distance Water Pipeline with High-lift and Multi-fluctuation

长距离高扬程多起伏输水工程水锤防护研究

Outlet divergent passages are adopted in large, low head pumping stations whose hydraulic losses are15%~20% of pump water head.

大型低扬程水泵采用渐扩出水流道,比水流道水力损失占泵扬程的15%20%右。

The distance or space through which something is raised or rises.

扬程某物升高或被提高所经过的距离或空间

Analysis of Critical Economic Lift for Multilevel Water Pumping Irrigation System

多级提水灌溉系统的临界经济扬程分析

Analysis of Water-saving Effeot on Irrigation Cost in the High Head Pumping Irrigation Area

高扬程电力提灌区节水与灌溉成本关系的探讨

A Model on Optimization Distribution of Water Resources in the High-lift Pumping Areas along the Yellow River in Gansu province

甘肃省沿黄河高扬程灌区水资源优化分配模型

Construction winch-Safety rules

GB13329-1991建筑卷扬机安全规程

Yet, somehow, Peter Kenyon is managing it.

当然，某种程度上说肯扬做的还不错。

Develop What is Useful and Discard What is Usless to Traditional Education in Modern Distance Education;

刍议现代远程教育对传统教育的扬弃

Promoted the Traditional Sports Culture and Innovation in Physical Education Teaching

弘扬传统体育文化创新体育课程教学

Inheriting and Development of Physical Education and Health Course from Traditional P.E Course;

体育与健康课程对传统体育课程的“扬弃”