产生原因：影响水泵流量不足多是吸水管漏气、底阀漏气；
Reasons: lack of impact of water flow is the water pipe leaks and more, at the end of valve leakage;
通过调整矿井主排水泵流量，使矿井主排水设备安全经济运行，节约投。
By adjusting main drain off water pump flow quantity, this paper makes main drain off water equip running safe, economy, saving investment.
在3个可编程继电器可用于流量控制使用，保护或水泵流量相称的脉搏。
The 3 programmable relays can be used for flow control, pump protection or flow proportionate pulse.
水力部分：采用优秀水力模型设计，使水泵流量、扬程、效率三者更为合理。
Waterpower part: adopting the perfect waterpower model design to make the runoff, lift and efficiency of the pump more reasonably.
本实用新型的优点是既能 满足水泵流量-扬程曲线平坦，又能保证泵的效率。
The utility model has the advantage that the utility model not only satisfies the pump flow, namely that the head curve is smooth, but also ensures the efficiency of the pump.
因此，研究水泵流量尤其是低扬程大流量泵站的水泵流量测量是十分有意义的。
The pump discharge of Jiangdu second pump station of the South-North Water Project was made and the uncertainty of the measurement results was analyzed.
它一方面担负着水泵站可靠运行，另一方面可以控制水泵流量，影响系统的工作特性。
It responsible for the pump station reliable operation, on the other hand could control the pump flow, and affect the system's operating characteristics.
水泵流量不足可能产生的原因：1、管道、泵流道叶轮部分阻塞，水垢沉积、阀门开度不足。2、电压偏低。3、叶轮磨损。
Pipe or channel impeller jammed, scale deposited or valve not enough opened. 2, Voltage too loe. 3, impeller worn out.
水冷的超级计算机需要用大约10升水来冷却，因此需要一个水泵来保证大约每分钟30升的流量。
The water-cooled supercomputer will require about 10 liters of water for cooling, and a pump ensures a flow rate of roughly 30 liters per minute.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
这就要求一个水温控制系统，通常包括水泵、过滤装置、热交换器、阀门以控制冷却水流量。
This requires a water temperature-control system, usually consisting of a water pump, filter, heat exchanger, and valving to control chilled water input.
认为此举不但可以解决附近用户的供暖问题，而且可以降低凝汽器循环水泵的运行费用，提高机组的通流量及输出功率。
It can not only supply heat for adjacent users, but also decrease operation cost of circulating water pumps and increase the flux and output of the units.
本文介绍并分析了离心式水泵的负载特性和变流量调节方法，对比了其能耗大小。
This article describes and analyzes the load characteristics of centrifugal pumps and variable flow regulator method, compared the size of its energy consumption.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
建议：宝塔式水管接头，可根据水族箱（池）的水容积及水泵最高流量，结合管径大小加以切除配套。
Suggestion : according to the water cubage of aquarium ( pool ) and max. flux if pump , and the size of tube diameter, cut the pagoda type hose joint to match if.
水泵精选意大利、台湾大流量高扬程水泵，使用安全超静，省电耐用。机体外壳用静电粉体涂料烤漆，美观大方。
Pump selection Italy, Taiwan, high flow high head pumps, the use of security ultra-quiet, energy-saving durable electrostatic powder coating with the body shell paint, nice.
文章论述一种汽车发动机水泵性能计算机测试系统中流量的控制方法。
A control method for flow is developed in a computer measuring system of automobile engine pump performance.
介绍了离心式水泵扬程和流量确定方法，并对扬程调整改造中的节能技术进行了探讨。
The paper introduces the method to determine the stroke and flow of centrifugal pump, and discusses the saving-energy technology in the process of stroke regulation.
热水供热管网采用分阶段改变流量质调节可以减少循环水泵耗电量。
Changing the flow mass at different stages may decrease the power consumption of water pump in hot water heat supply network.
介绍了大型水泵几种流量测定方法的基本原理，从准确性、实用性和经济性三个方面进行比较。
The basic principles of several discharge measuring methods for large sized pumps are introduced, and the results are compared from three aspects accuracy, practicability and economy.
当隧道穿越粘稠土质时，水的流量也许会小到用水泵就可以抽干。
When the tunnel is driven through stiff clay, the flow of water may be small enough to be removed by pumping.
从流量控制原理上讲，风机、水泵的结构和工作原理基本相同。
Speaking from the principle of flow control, fans, pumps the structure and working principle is basically the same.
既满足了微机对水表流量的遥测和遥控，又解决了深井水泵和其它环境因素导致抄表难的问题。
It not only meets the need for water flow's remote metering and remote control by computer, but also solves the problem to do meter reading in the deep hydraulic pump or in other hard environment.
不要超过你所选择的水泵系统中任何部件的最大压力或流量的额定值；额定值最低的部件决定了水泵系统的最佳可用性能。
Never exceed the maximum pressure or flow ratings of any component in your system the component with the lowest rating determines the maximum performance available from your system.
介绍了如何通过计算消防水泵的扬程、流量和功率来选择消防水泵的型号。
The paper introduces how to choose fire water pumps through calculation of stroke, flow and power of fire water pumps.
给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。
TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.
在效率合格的情况下，井用潜水泵的叶轮扬程和流量偏高时会产生无功损耗。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
此外，该淋浴器喷头中还可进一步加设液晶显示面板、红外线接收装置和流量监测器及水泵等功能单元。
In addition, a liquid display panel, in infrared receiving device, a flux monitor, a water pump and other functional units can be further in the shower spray-head.
此外，该淋浴器喷头中还可进一步加设液晶显示面板、红外线接收装置和流量监测器及水泵等功能单元。
In addition, a liquid display panel, in infrared receiving device, a flux monitor, a water pump and other functional units can be further in the shower spray-head.
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