investigation radius is so-called the radial range that pressure wave can sweep sometimes at the out edge of the pressure drop funnel.

压降漏斗的外部边缘即某一时刻压力波所能波及到的径向距离就是所谓的「探测半径」。

according to the character of pressure wave in diesel high pressure line, the hardware and software of fault diagnosis system was designed and choose.

针对柴油机高压油管内燃油压力波动特性，设计和选择了故障诊断系统的硬件和软件。

to satisfy the need for real time, the method based on negative pressure wave is studied.

为满足实时性需要，研究了基于负压波法的管道泄漏智能诊断与定位方法。

unlike in a pure liquid in which the pressure wave velocity is constant, the wave velocity in gas-liquid mixtures varies with pressure.

在混合物中压力波速不象在纯液体中波速那样是恒定的，汽液混合物中的波速随压力变化。

the injurious effect of pressure wave on cells was related to its direct drastic mechanic vibration action on cells and induction of cellular free radical reaction.

压力波损伤细胞的机制可能与其对细胞的剧烈机械性振蕩作用及引发自由基反应等有关。

this method can effectively determine the direction of the pressure wave propagation and source, thereby excluding the impact of adjustment of working conditions, reduce the system false alarm rate.

该方法能够有效的判断压力波的传播方向和来源，从而排除了工况调整的影响，降低了系统误报率。

the couple effect between flame and pressure wave is the impulse for explosion evolution and decides the strength of the deflagration in spaces with deferent scales.

爆燃波发展过程中湍流、压力波以及火焰存在复杂的相互作用，压力波和火焰耦合作用强弱决定了气体爆燃波在不同尺度的空间中的发展过程。

the pressure wave strength, the cooling effect and heating effect of the tube are the strongest in a state of resonance.

谐振状态下管内出现最强的压力波并产生最强的冷效应和热效应。

through an improvement of ignition elements and charge configurations, the pressure wave phenomenon was seen to have been improved considerably.

通过点火机构及装药结构的改进，压力波现象有明显改善。

the instrument is designed for on - site measurement of dynamic advanced angle and in - pipe pressure wave pattern of diesel fuel injection system without disassembling.

该仪器可用于对柴油机喷射系统技术状况动态提前角、油管压力波形状现场的不解体检测。

in this experiment, the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable.

在实验中利用谱分析技术对压力波传递速度进行了测量，测量结果可信；

combining with the time difference value of the pressure wave getting to both ends of the pipeline, adopts the genetic arithmeticto search the leak site of the pipeline.

结合管道两端接收到负压力波的时间差，采用遗传算法搜索管道内的泄漏点。

in this simulating procedure the measured value of pressure wave from the inlet of injector is used as major input data for prediction of performance.

本模拟过程中利用喷油器进口处的压力波实测值作为性能预测的主要输入数据。

the pressure wave penetration and reflection properitics at a valve, which is located in a conduit, are discussed, and the penetration and reflection coefficients are derived.

本文讨论了管道流体瞬变过程中压力波在管道中阀门处的穿透和反射情况，导出了压力波在阀门处的穿透和射反系数。

a time-domain pressure wave method for solving forces and moments acting on a three-dimensional body with arbitrary motions near free surface is presented.

本文提出了求解近水面三维物体作任意运动时受到的水动力和产生的波浪的压力波方法。

the pressure wave caused by two trains「 meeting shows great effect on train」s running safety and passengers' comfort, so it is necessary to study the pressure wave characteristics.

列车交会压力波是影响列车运行安全性和乘客舒适性的重要因素之一，因此需对压力波特性展开研究。

experimental investigation was carried out to study the pressure wave speed and its attenuation for gas-liquid bubbly flow in vertical upward tube.

研究了垂直上升管内气液两相泡状流压力波的传播速度和衰减规律。

c-4 has a explosive force 1.34 time that of trinitrotoluene - tnt - and can produce a pressure wave traveling at 8,040 meters per second.

c-4的爆炸威力相当于tnt的1.34倍，能产生8040米/秒的沖击波。

aim: to investigate the changes in an release and gene expression of endothelin (et 1) from endothelium affected by a stronger pressure wave after high velocity bullet wounds.

目的：探讨高速枪弹伤时产生的强压力波对血管内皮细胞内皮素（et-1）的释放及基因表达的影响。

three dimensional n-s equations and tvd scheme were used to establish the numerical model that is applied to simulate the pressure wave induced by flame during the gas explosion.

从三维n-s方程出发，用tvd格式，对瓦斯爆炸过程中火焰产生压力波的过程进行了数值模拟。

the results showed that when different wavelet functions were used to analyze the same pressure wave signal, the differences could be found between each other.

研究结果表明：选用不同的小波函数对同一压力波信号进行时频特性分析时，得出的结果是有差别的。

the amplitude of pressure wave in semi-space of fluid attenuates with depth all the time.

流体半空间内压力波的振幅随深度单调衰减。

pulse: pressure wave in the arteries from contraction of the heart.

脉搏：心脏收缩造成的动脉中的压力波动。

the make-up of the peak value of impact loading being analysed, the theories of pressure wave and granular flow are applied to establish a calculating method for estimating the flow head impact force.

分析了沖击荷载峰值的构成情况，运用压力波理论结合颗粒流的应力关系建立了龙头沖击力的计算办法，并对概化后的龙头计算其在沖击坝体时的作用力垂向分布。

based on quantitative analysis, it is concluded that piezoelectric sensor based leak detection has higher snr than that of pressure transducer based negative pressure wave leak detection.

在定量分析的基础上，得出了基于压电传感器的管道泄漏检测方法具有比基于压力传感器的负压波法更高的泄漏信号信噪比。