Power section can be tuned to change pressure pulse frequency.
动力装置功率可调，进而可改变压力脉冲频率；
And it relates the design about a new high pressure pulse arc starter of TIG welding.
讲述了一种新型TIG焊高压脉冲引弧器的设计。
The present problems of YB_1-100 vane pump are high noise, large pressure pulse and poor stability.
YB_1—100叶片泵存在噪声高，压力脉动大，性能稳定性差的问题。
The theoretical study was made of the effect of shut-in procedure on the water hammer pressure pulse.
关井水击压力的大小直接决定了现场是采用“软关井”还是“硬关井”方式关井。
The background of the pressure pulse bioreactor appearance and its effect on fermentation industry has been described.
评述了压力脉动生物反应器的出现背景及其对生物发酵工业的影响。
An insulating wedge is actuated by an electrically triggered pressure pulse to cut the conductor quickly and permanently.
绝缘楔子被电动触发压强脉冲驱动进而快速、永久地切断导体。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
在海水管道系统中，由泵、阀门、弯头等元件引起的压力脉动(即流噪声)是主要的噪声源，消声器被广泛应用于抑制流体压力脉动。
Continuous high pressure pulse, close to or more than the maximum rated pressure sensor, also will shorten the life of the sensor.
连续的高压脉冲，接近或者超过传感器的最大额定压力，也会缩短传感器的寿命。
If the shape of tailrace pipe is changed, the pressure pulse can be removed so that the vibration of generating unit can be reduced.
如改变尾水管形状，可以消除涡带压力脉动，减小机组振动。
Objective To understand the effect of the change in cardiovascular system parameters on the pressure pulse waveform of the radial artery.
目的考察心血管系统参数改变对桡动脉脉搏波波形的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
A new surface strengthening method, RE-Multi-Element diffusion, for HSS cutters by positive-negative pressure pulse process is investigated.
本文主要介绍采用正负压脉冲稀土多元共渗技术对高速钢刀具表面强化的一种新方法。
The fluid pressure pulse and flow-noise in water piping system decreased the operation safety of piping system and hiding ability of submarines.
水管路系统流体压力脉动及其引起的流噪声会降低管路系统自身工作的可靠性和舰船的隐蔽性。
It is used to excite pressure pulse in a sample by means of a single laser pulse which will lead to the change of charge density on the two electrodes.
它是用单束激光脉冲在样品内激发出一个压力脉冲，该压力脉冲将导致两电极上感应电荷层密度变化。
Observe the sedation grade record the change of the blood pressure pulse and SPO2 and the feeling, oblivion extent, satisfaction in the gastroscopy course.
观察其镇静分级，记录检查中血压、脉搏、血氧饱和度的变化，以及在检查过程中的感受情况、遗忘程度、检查后的满意度。
According to the shock theory, the ejecta produced by explosion form the pressure pulse, and it spreads in forms of either compression waves or expansion waves.
根据激波理论，爆炸产生压力脉冲并以压力波的形式传播，既有压缩波也有膨胀波。
Results of the computations show that on overline bridge a pressure pulse occurs while a train passes. the coefficients of the pressure pulse range from-0.135 to 0.095.
结果表明，高速列车通过时跨线天桥表面受到空气压力波的作用，压力系数的波动范围为-0．135～0．095。
By using the high-pressure pulse electric field, the method has less heat energy in the process of breaking, low raised temperature of a breaking target, and short breaking time.
利用高压脉冲电场破壁，在破壁过程中产热少、破壁对象升温小、破壁时间短。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量，减少噪音、振动，避免气蚀等方面有较大改善。
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号，来测量柴油机转速的新方法。
The coupling effect of thermal pulse and pressure pulse in the inner bore is extremely obvious, so more accurate results can be obtained by using dynamic full coupled calculation method.
热脉冲与膛压脉冲在内膛表面耦合效应十分明显，采用动态全耦合方法进行计算更加准确。
The aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
The asymmetrical slippage grid technique, the numerical computation, the moving model test, and the full-scale train test for air pressure pulse from trains passing each other are introduced.
讨论了列车交会空气压力波数值计算方法、动模型及在线实车试验技术，论述了非对称滑移网格技术。
A prototype device for measuring hemodynamic parameters and evaluating heart function has been developed on the basis of the theory of pressure pulse wave transmission in human arterial system.
作者根据人体动脉脉搏波传输的生物力学原理，设计和研制了包括心功能常用指标在内的一台雏型脉搏波传输检测系统。
User can define rail pressure, pulse width, the amount of volume oil and other parameters by themselves.
用户可以自定义轨压、脉宽、量油次数等参数。
Objective To investigate the effect of limb's negative pressure on blood pressure, pulse and ECG of human being.
目的探讨肢体负压疗法对人体血压、脉搏及心电图的影响。
Conventional 'polygraph' lie detector tests involve wiring up subjects to equipment that measures blood pressure, pulse, heart rate, respiration and electrical skin activity.
传统的‘测谎仪’测谎包括通过设备上得诸多连线监测血压、脉搏、心率、呼吸和皮肤电活动。
The clinical condition, blood pressure, pulse, and serum enzymes of patients were evaluated.
观察患者的临床症状、血压、脉搏、血清酶学变化。
The clinical condition, blood pressure, pulse, and serum enzymes of patients were evaluated.
观察患者的临床症状、血压、脉搏、血清酶学变化。
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