若被输送液体的粘度和密度与水相差较大时，应核算泵的特性参数：流量、压头和轴功率。
If the transport of liquid viscosity and density difference between the larger and water, shall account for the pump parameters: flow, pressure head and shaft power.
综合发动机和液压泵的特性曲线，分别对发动机与液压变量泵、定量泵进行了匹配效率分析；
Through a study in characteristic curve of the engine and hydraulic pump, the matching efficiencies between engine and fixed and hydraulic variable displacement pump were analyzed respectively.
无论改变泵出口管线结构还是改变泵吸入口管线结构，都会对单螺杆泵的特性产生一定程度的影响。
Whether to change the pump outlet pipe structure or to change the pump intake pipe structure, and will feature a single-screw pump have a certain extent.
本文对集中供热系统热网特性进行了分析，在此基础上，阐述了循环泵的特性及其对供热系统的影响。
Based on the analysis to the characteristic of the district heating system, this paper expatiate the influence of the performance of circulating-pump to heating system.
依据电机理论和泵的特性，分析并得出了在频率改变后，由频率计算电机转速及输出机械功率的方法。
Based on the theory of electric motor and the characteristics of pump, a new method for calculating output power and speed of an electric motor with changed frequency is presented.
分析了泵的特性和管路特性对水泵并联运行流量增量的影响，指出流量增量过小可能导致水泵超载，分析了水泵并联系统设计和运行管理中应注意的问。
Analyses the influence of pump characteristics and pipeline characteristics on flow increment in parallel, and points out that insufficient flow increment could cause pumps to overload.
本文以泵系统为研究对象，通过实验和计算的方法研究阀调节引起的全系统的瞬变特性及影响因素。
Aimed at pump system, this article investigates the transient characteristics and the influencing factors of the whole system by means of experiment and numerical calculation.
从流变学原理出发，分析泵送混凝土在输送管道内的流动特性和压力变化情况。
According to the rheology theory, flow characteristics and pressure fluctuation of pumped concrete in conveying pipe are analyzed.
泵样本上给出的离心泵组的特性都是用水试验得出的。
The characteristics of centrifugal pump unit given by pump specimen are obtained by testing with water.
文章介绍了双向活塞式精密气体采样计量泵的研制及其特性和应用。
The paper introduces the development of the precise metering pump with two \ | way piston for sampling flue gases, its characteristic and applications.
研究FRA的基本原理，喇曼增益谱，增益特性和结构模型，介绍FRA的泵浦源；
The essential theory, Raman gain spectrum, gain characteristics, the configuration and pump sources of the FRA are analyzed.
本文主要研究混流泵出口环量对泵出水管道水力特性的影响。
The influence of outlet circulation of mixed-flow pump on the hydraulic performance of the outlet pipe was studied in this dissertation.
本文首先分析了发动机的全负荷速度特性、部分负荷特性和变量泵在不同的工况下的效率特点。
This dissertation has analyzed the full-load speed characteristics of the diesel engine, some load tempo characteristics and characteristics of variable pump at first.
它可以保存四组转子泵的工作特性参数，可以在线进行参数转换，调节和选择。
It can save four sets of characteristics of the rotor pump parameters, parameter online conversion, regulation and choice.
齿顶高系数是设计齿轮时的重要几何参数，也是影响复合齿轮泵流量特性的重要参数之一。
The addendum coefficient is an important parameter in the designing the gear, and to affect the discharge characteristic of compound gear pump.
通过实验得出了SPPC和MPPC共存时的相位共轭输出特性对二束泵浦光的泵浦参数的依赖关系。
The dependence is obtained experimentally of the output properties of SPPC and MPPC coexistence on pump parameters of both the pump beams.
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。
In order to improve the efficiency of the piezoelectric pump and optimize its structure, the dynamic characteristics of the piezoelectric actuator were explored.
本文详细研究了悬挂式缓闭减水锤止回阀在事故停泵期间的特性以及由停泵所引起的流体瞬变效应与阀的减水锤效果。
The characteristics of closing check valves with hanged reducing water - hammer, and the effects of fluid transient during power cut are studied in this paper.
橡胶软管是软管泵的核心部件，其变形特性直接关系到软管泵的性能和使用寿命。
Rubber hose is core parts of hose pumps. The deformation characteristics determine the life of hose pumps.
本文介绍了该泵的工作原理和抽气特性。文中还给出了测试结果。
In this paper, working principle of pump and its pumping performances are introduced, the measuring results are also given.
结果表明全流道计算可以较好地模拟双流道叶轮的内部流动，尤其是叶轮进出口的流动，并可对泵的外特性做出预估。
The results show that the full passage calculation can simulate the flow in the double channel impeller, especially at the inlet and exit, to assess the pump performance.
本文叙述了锆铝泵工作特性的四极质谱分析，以及值得讨论及改进的问题。
In this paper the quadrupole mass spectrographic analysis of the operation characteristics of Zr-Al pump is described and some questions which deserve to study and improve.
其次，对多齿轮泵的静力学特性作了分析，证明了中心轮径向液压力、啮合力及总作用力平衡。
Secondly, analyzing statics characteristic of the multi-gear pump demonstrates that radial hydraulic pressure, meshing force and resultant force are balanced on the center wheel.
详细分析了电荷泵的动态工作特性，给出了电荷泵电压上升时间及瞬态电流与电路的关系。
Charge Pump dynamic analysis is analyzed, where the relationship between the voltage rising time and transient current to circuit is given.
本文主要从实验、理论及数值模拟三方面对随机激光的泵浦阈值特性进行了一定的研究。
So in this thesis, the pumping threshold characteristics are studied via experiment, theoretical analysis and numerical simulation.
现有的300MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响，不能准确反映凝汽器的运行状态。
In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.
理论和实验研究表明，参量放大的带宽取决于泵浦波长和泵浦功率、光纤非线性系数、光纤的色散特性。
Theory and experiment show that bandwidth of FOPA depends on pumping wavelength and pumping power, optical fiber nonlinear coefficient as well as dispersion characteristics.
测定泵的输入电流、电压、转速、输出流量、输出压力、泵效率等参数，通过回归推断各参数的相关特性。
The input electric current, voltage, rotary speed, output flux and output pressure of the pump were tested. The regression relation of these parameters was deduced.
同时该测试方法还可以拓宽到其它泵类的粘温特性测试工作中。
This method can be used for performance test of other types of pumps.
提出一种适用于NOR结构快闪存储器应用的，具有大驱动能力、低功耗和高精度特性的电荷泵系统。
A novel positive charge pump for NOR flash memory with high driving capability, high precision and low power consumption, is proposed in this paper.
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