1) head at zero capacity,no-discharge pump head,shut-off head
关死扬程
2) shutoff head
关闭扬程
3) Shutoff Head of pump
泵关闭扬程
4) lift
[英][lɪft] [美][lɪft]
扬程
1.
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。
2.
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。
3.
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。
5) head
[英][hed] [美][hɛd]
扬程
1.
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
2.
Pump head matching in distributed power system;
动力分散系统中水泵扬程的匹配
3.
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。
补充资料：生关死劫
1.生的关头，死的劫数。谓人的生死命运。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条