阀式变量泵具有理想的静态流量压力特性，实验发现在高压变量区具有较强的流量脉动甚至脉冲现象。
Pretty flow pressure characteristics are being realized in the variable displacement pump with valve adjuster. But more violent flow pulse was proved by experiment at the range of higher pressure.
通过对火炮电控静压驱动系统的实测试验，获得了输出压力—流量曲线，验证了恒功率特性。
The output pressure-flow curve was obtained by testing the electronic control hydrostatic driving system, which confirmed the characteristic of constant power.
通过控制马达转速来控制压力与流量特性。
Pressure and flow rate characteristics are managed controlling motor speed.
在相同质量流量、相同压力降和相同泵功率等条件下，比较了两种通道的换热特性。
The heat transfer characteristics of the both passages are compared under the conditions of the identical mass flux, identical pressure drop and identical pumping power.
在伺服阀静态特性方面，完成了伺服阀的压力增益特性、空载流量特性、负载流量特性及泄漏特性的测试。
In static state characteristic test, pressure gain characteristic, runoff characteristic with load, runoff characteristic without load and leakage characteristic are completed.
该系统能够完成高压除磷喷嘴的流量-压力、打击力特性测试。
The system is able to complete the high-pressure descaling spray flow - pressure, hitting power characteristics of test.
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.
本论文通过正交实验从燃气压力、水流量、进风口面积和排烟口面积这四个因素中找出了影响强制平衡式燃气热水器的燃烧和热工特性的主要因素。
Through the orthogonal experiments, the author found out the major factor affecting the combustion and thermal characteristics from the gas pressure, water flow, air-inlet area and fume-exhaust area.
实验结果表明该阀具有良好的流量和压力控制特性。
Experimental results show that the valve possess es excellent performances of both flow rate control and pressure control.
研究结果得出了当排气压力恒定时，阀杆位移同吸气压力、摇板箱压力以及控制阀流量的稳态特性关系。
When the discharge pressure keeps constant, the relationship between displacement of valve rod and suction pressure, wobble plate case pressure, flow rate through control valve have been obtained.
本文论述了流量调速回路压力流量特性的概念及其特性的描述方法，给出了五种典型流量调速回路的压力流量特性曲线图，并加以分析讨论。
The concept and describe way of pressure flow characteristics of flow control circuit is discussed in this paper. Five typical graphes of the characteristics are given and analyzed.
阀静特性包括其流量特性、压力特性和流量—压力特性。
Static characteristics of a valve include its flow characteristic, pressure characteristic and flow-pres-sure characteristic.
通过测量阻力元件两端的动态压力、流速，得到交变流动情况下动态压力与质量流量之间振幅和相位关系，从而得到所测元件的交变流动阻力特性。
The oscillating flow characteristics of the test section are obtained by the analysis of the amplitude and phase shift of the velocity and the pressure wave.
第四章首先测试了阀片的启动压力、阀口泄漏量、流量特性以及压力响应时间，然后对实验结果进行了分析和比较。
Chapter 4 first test the starting pressure of valves, leakage of valve port, flow characteristic and response time, and then the experimental results are analyzed and compared.
通过分析几种典型旋流器的操作性能，包括压力降和流量分率，得出了不同结构特征旋流器的一些基本操作特性，并定性分析了结构特征与操作特性之间的关系。
Through analyzing the operational performance of typical cyclones, including pressure drop and flow ratio, few operation features of the cyclones with different design have been deduced.
通过分析几种典型旋流器的操作性能，包括压力降和流量分率，得出了不同结构特征旋流器的一些基本操作特性，并定性分析了结构特征与操作特性之间的关系。
Through analyzing the operational performance of typical cyclones, including pressure drop and flow ratio, few operation features of the cyclones with different design have been deduced.
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