风向、风速、气温和气压对压力波的传播有十分巨大的影响。
Wind direction, wind velocity, air temperature and air pressure have a very great effect on the propagation of pressure waves.
风向、风速、气温和气压对压力波的传播有十分巨大的影响。
Wind direction, wind ve lo city, air temperature and air pressure have a very great effect on the propagation of pressure waves.
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。
Experimental investigation was carried out to study the pressure wave speed and its attenuation for gas-liquid bubbly flow in vertical upward tube.
探讨了激光诱导压力波的传播规律，预测了不同靶厚下的层裂厚度及其对层裂开始时间的影响。
The propagation of laser-induced stress wave is also further investigated, and the influences of film thickness on spall thickness as well as the time when spallation begins are predicted.
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。
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.
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。
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.
低渗透油藏比中高渗透油藏的压力波传播速度慢。
And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propagating velocity.
材料方法：采用压力测试方法，研究爆炸冲击波在肝、肺、血管及皮下组织内的传播特征，并与空气中的传播特征进行比较。
Materials:The transmission characteristics of explosive blast in liver, lung, vessel and tissue under skin were studied through blast pressure detection, and compared with in air.
若火焰以稳定速度在均匀的静止云雾中传播，则压力波后的流场是自相似的。
If the flame is propagating at steady speed in static and homogeneous clouds, flow field just behind the pressure waves is self-similar.
流体流动边界不断向外扩展是低速非达西渗流压力波传播的特点。
The fluid flowing boundary extends outwards continuously is the feature of pressure propagation with low velocity Non Darcy percolation.
海洋表面传播的波浪在海水—海床的交界面处施加了循环波压力。
When wave propagate over the ocean surface, a sequence of wave pressure is induced on the seafloor.
着重分析了相间作用力，包括壁面剪切应力、虚拟质量力、拖拽力，对压力波传播速度和衰减的影响。
The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.
当管道某处突然发生泄漏时，泄漏处将出现瞬态压力突降，形成一个负压波，并以一定的速度向管道上、下游两端传播。
When there is a leak point in the pipeline, the pressure is fallen and the negative pressure wave occurs at once.
岩石介质中爆炸波的特点是压力高、传播速度快，对介质质点的作用在瞬间完成。
The feature of explosion signals in elastic-plastic region of rocks is in the state of high pressure, of high speed, and of transient action on the particle motion.
为了实现流体流量的远程测量，研究了水平管道中压力波传播的理论模型及测量方法。
In order to achieve a remote measurement for fluid flow, research was made on theoretic models and experimental measurement methods for transmission pressure wave of the horizontal pipeline.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
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