The actual flow reciprocating pump flow rate than theory, and with the increased pressure head decreases, which is due to leakage caused.
往复泵的实际流量比理论流量小，且随着压头的增高而减小，这是因为漏失所致。
Sensors can be mounted without shutting down flow and there is no obstruction or pressure drop. Flow rate and totalizer are displayed continuously along with battery status, signal strength.
传感器可以安装无需关闭流，也没有阻挠或压力下降。流量积算显示和不断随着电池状态，信号强度。
This method is based on the measurement of the rate of air flow through a given area of fabric by a given pressure difference across the fabric.
这个方法是基于对空气流速的测量：在一块既定面积的面料上，通过面料两边不同的压差来获得。
Speed, flow rate, pressure, viscosity, and temperature.
速度，流量，压强，粘度和温度。
The calculation results showed that the friction factor and apparent viscosity of hydrate slurries increase with increasing pressure and flow rate.
计算结果表明，压力高和液体流量大的体系，其摩擦阻力系数和表观粘度值均较高。
Frozen type air drier shall conform to the special design of compressed air flow rate, pressure, temperature conditions needs.
冷冻式空气干燥器的设计应当符合特殊的压缩空气流量、压力、温度条件的需要。
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
The authors analyzed the influential factors of flow rate and the relationship between flow rate and pressure limiting and hence proposed a set of typical presetting injection parameters.
本文主要讨论了影响流率的相关因素，以及流率与压力限制之间的关系。总结出了一套典型的注射参数予置值。
This device can transmit signal and control through the medium of compressed gas, and can adjust testing pressure, flow rate and time according to the automatic controlling requirement.
该装置以压缩空气为介质进行信号传递和控制，并能根据需要调节检漏压力、流量和时间。
In steady flow rig the pressure drop and the mass flow rate of the DPF were measured, and the measured data are used in the estimation of DPF permeability.
在稳流试验台上进行了微粒过滤器的压力损失与流量测试试验，运用测得的数据计算了微粒过滤器的渗透率。
At last, flow rate, the influence of pressure difference and screw combination on flow rate were confirmed by experiments.
文章最后对流量、流量与压差的关系及不同螺杆组合对流量的影响进行了实验验证。
It is proved that the uniformity of etch rate can be improved and the effect of micro load can be decreased by adjusting the value of chamber pressure, gas flow rate and RF power properly.
结果表明，通过对反应室压力、刻蚀气体流量和射频功率的调节，可以降低微负载效应的影响，得到良好的刻蚀均匀性。
The effects of system parameters such as system pressure, mass flow rate, heat flux and inlet sub-cooling are significant on both DWO and PWO.
系统压力、质量流速、热负荷和进口过冷度等参数对不稳定性有显著的影响。
A set of experimental system used to measure flow field of spiral separator is constructed, with the experimental data, such as the pressure and flow rate of gas and the weight of drained water etc.
搭建了螺旋片导流式分离器流动场测量的实验装置，并用计算机对实验系统的压力损失和分离液体量进行数据采集。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
密封件可以是高分子材料、石棉或橡胶，密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
Pressure and flow rate characteristics are managed controlling motor speed.
通过控制马达转速来控制压力与流量特性。
From analyzing the down hole pressure to calculate flow rate, by correction and process for these data, a better build up curves and accurate formation parameters are achieved.
本文从油井压裂后抽汲求产的井底压力分析出发，对压力恢复资料进行校正处理，得到了较好的恢复曲线，取得了准确的地层参数。
A device incorporating an orifice that is used to control fluid flow rate or downstream system pressure.
包括一个喷嘴的装置。它用于控制流体的流量或下游系统的压力。
The dependence of etching rate and profile on the vacuum pressure, RF pow-er, gas composition and flow rate, and electrode temperature is analyzed.
分析了真空压力、射频功率、气体组合及其流量和电极温度对刻蚀速率、刻蚀剖面的影响；
The control options include inlet pressure control, discharge pressure control and flow rate control.
控制方式包括进站压力控制、出站压力控制和流量控制。
Inlet conditions, discharge pressure, flow rate, and operating range must all be satisfied.
进气道的条件，排放的压力，流速，和经营范围都必须得到满足。
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.
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。
The total heat loss per unit time decreases gradually as the injection pressure, injection flow rate and injection time increase, but the decrease extent reduces gradually.
随着注入压力、注入流量以及注入时长的增加单位时间的总热损逐渐减小，但是降低幅度变缓。
Simulation results were presented for the flow rate versus frequency, pressure head and input power.
得到了微型泵的频率特性，流量-压头曲线及流量随功率的变化。
The effects of analytical spectral line, back ground correcting point, high frequence power, carrier gas pressure, flow rate of liquid sample and auxiliary gas on analytical results were investigated.
研究了分析谱线、背景校正点、高频功率、载气压力、试样提升量和辅助气体流量对分析结果的影响。
Researchers are seeking to define the proper water temperature, pressure, and flow rate, as well as the effect of internal water quenching on resin crystallization and molded part properties.
研究人员正在试图确定水温、流量、零件腔内水的冷却作用对树脂结晶和注射件性能的影响。
Researchers are seeking to define the proper water temperature, pressure, and flow rate, as well as the effect of internal water quenching on resin crystallization and molded part properties.
研究人员正在试图确定水温、流量、零件腔内水的冷却作用对树脂结晶和注射件性能的影响。
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