In general, the volumetric efficiency of pump power higher than the pump.
总的来说，容积泵的效率高于动力式泵。
The efficiency of pump will be reduce with the increase of tip clearance of blade.
泵的效率随轮缘处间隙变大会有明显减小。
In order to improve the water power efficiency of pump, casing applies streamline design, the circulation area is increased.
为了提高泵的水力效率，泵壳体采用流线型设计，同时加大了壳体的通流面积。
The paper introduces the approximate formula for the head curve of pump, the pipe resistance curve of system and the efficiency of pump with relative value.
介绍了扬程特性、管阻特性和水泵效率的相对值近似表达式。
Furthermore, we analysis the effect of difference inner-cladding structures on the absorption efficiency of pump light, and the fiber length has a significantly impact on output power.
分别介绍了单包层光纤和双包层光纤的结构，分析它们的传输特性，讨论了内包层形状对泵浦光吸收效率的影响以及光纤长度对输出功率的影响。
The optimal hydraulic design can effectively improve the outlet flow pattern of suction box to ensure better flow conditions for pump and raise the efficiency of pumping system substantially.
进水流道水力设计优化可有效地改善进水流道出口流态，确保水泵有良好的进水条件，大幅度提高水泵装置效率。
Linking the efficiency of drip irrigation to the reliability of a solar-powered water pump, the PVDI systems need no batteries, gas, or kerosene.
这一系统将滴灌的高效性与太阳能水泵结合起来，它既不需要电池与汽油，也不需要煤油。
Vortex pump efficiency of less than 40%.
旋涡泵的效率一般不超过40%。
Pump is the drainage and back into the groove of reasonable design, is a gear in the work under the minimum torque force, so the bearing load is small, wear small, pump with high efficiency.
输送皂角泵内有设计合理的泄油和回油槽，是齿轮在工作中承受的扭矩力最小，因此轴承负荷小，磨损小，泵效率高。
This structure substantially enhances the efficiency of charge pump and thus prolongs the using time of batteries.
这种结构大大提高了电荷泵的效率，延长了电池的使用时间。
Pump and pump the efficiency of the type, size, structure, precision manufacturing and distribution of the nature of the liquid.
泵的效率值与泵的类型、大小、结构、制造精度和输送液体的性质有关。
CAD method for improving design quality and efficiency of centrifugal pump impeller is provided.
本文为提高离心泵叶轮的设计质量及效率提供了一个新的方法。
Field application demonstrates that the management level and economic efficiency of the screw pump production system would be improved by using the control chart.
现场应用表明，根据螺杆泵油井工况宏观控制图，可提高螺杆泵采油系统管理水平及经济效益。
It is the basis of computing the size of switch transistors to derive the model of the power dissipation and efficiency of charge pump.
推导了电荷泵的损耗和效率模型，为电路设计中确定电荷泵开关管的尺寸奠定基础。
From the performance perspective, the type of impeller and the general efficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.
从性能上讲，该型式叶轮效率高和普通闭式叶轮相差不大，但用该型式叶轮泵扬程曲线较为陡降。
Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.
应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
Heat pump dryers have been paid much attention in recent years because of their high energy efficiency and better product quality.
热泵干燥装置具有热效率高、能较好地保持干燥产品的品质等突出优点，近年来受到广泛重视。
The efficiency of steering pump of port tractor lost very heavy when engine was in high speed.
港口牵引车液压系统中的转向泵在发动机高速状态时的能量损失较大。
The electric consumption is based on an overall pump efficiency of 40 % (Hydraulic plus Electric).
耗电量以40%的总泵效率（液压泵加电动泵）为基础。
Because of having high efficiency, energy saving, little effect on environment and steady operation, water source heat pump and ground source heat pump are promising in Guiyang.
水源热泵和地源热泵由于具有高效节能、对环境影响小、运行稳定等特点，在贵阳地区很有发展前途。
In order to improve the efficiency of the piezoelectric pump and optimize its structure, the dynamic characteristics of the piezoelectric actuator were explored.
为了提高压电泵的效率、优化压电泵的结构，对泵用压电振子的动态特性进行了研究。
How to optimum design and to increase the efficiency of the pump system based on the characteristics is an extremely important work for the Project.
如何根据东线工程泵站的特点，优化进出水流道的水力设计、提高水泵装置的效率，是东线工程泵站建设中一项极其重要的工作。
The test shows the flow in the modified forebay is remarkably improved, the efficiency of the pump raised and the sludge deposit reduced.
试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。
The design of the pump sump has a directly effect on the running efficiency and security performance of the pump system.
水泵吸水池设计的合理与否，会直接影响到泵站的运行效率和安全。
The output power and optical efficiency of different resonator parameters and pump power have been analyzed with numerical calculation.
用数值计算给出了不同腔参数和不同的抽运功率下的输出功率和光一光效率图。
Waterpower part: adopting the perfect waterpower model design to make the runoff, lift and efficiency of the pump more reasonably.
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。
Flexible set cycloid gear pump rotor pump vane pump with the advantages of a similar volume than pump more than 10% efficiency.
柔性摆线转子泵集齿轮泵与叶片泵优点于一身比同类容积泵的效率提高10%以上。
As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.
组合式空心转子由于轴头与转子体之间的结合面存在着渗漏，使泵的抽气效率性能下降，从而影响其在应用中的效率。
The pressure oscillation in piping system can lower the efficiency of the pump, cause the additional consume of energy and emit noise, deteriorate the working condition of the accessory.
管道系统中的压力脉动会对管道系统中造成许多危害，例如它会降低泵的工作效率、增加额外的能耗、产生噪声，使管道附件的工况变坏和造成管道振动等等。
The pressure oscillation in piping system can lower the efficiency of the pump, cause the additional consume of energy and emit noise, deteriorate the working condition of the accessory.
管道系统中的压力脉动会对管道系统中造成许多危害，例如它会降低泵的工作效率、增加额外的能耗、产生噪声，使管道附件的工况变坏和造成管道振动等等。
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