The propagation velocity of shock wave agrees with the result of the model analysis on a "effective gas".
激波传播速度与基于“等效气体”模型计算值相符。
The average fracture propagation velocity is estimated with a series of crack gauges glued on the specimen.
裂纹传播平均速度由黏接在试样上的一系列裂缝计测量得到。
The propagation velocity of elastic wave with different frequencies in same medium is various, which is called dispersive problem of frequency.
相同介质中不同频率的弹性波传播速度是有差异的，即频散问题。
This paper introduced a special instrument for measuring the propagation velocity distribution of com-pound active potential using collision method.
本文介绍了一种用碰撞法测量复合动作电位传播速度分布专用仪器。
The fatigue properties were researched and found that the crack propagation velocity and the decline of rigidity were related to the maximum cycle stress.
通过对其疲劳性能的实验研究，发现裂纹扩展速率的大小及刚度的下降与加载的最大循环应力密切相关的规律。
The radio wave propagation velocity is slowed and the ray producing bend but to the asymmetry of the atmospheric medium, the refraction error is produced.
由于空中大气介质的不均匀性使得电波传播速度减慢射线产生弯曲，从而产生折射误差。
For the present experimental conditions, it is found that the flame propagation velocity is a weak function of dust concentration in cornstarch dust clouds.
在所考察的实验条件下，粉尘浓度对于玉米粉尘火焰传播速度的影响不大。
When analyzing the propagation of high power microwave (HPM) in atmosphere, the propagation velocity in non ionized and ionized mixture atmosphere is needed.
在计算高功率微波（HPM）在大气层中传播时，需要知道非电离与电离混合大气层中电波传播速度。
The stiffness of the long floating bridge and the propagation velocity of displacement wave are much less than those of the general steel or concrete bridge.
浮桥的抗弯刚度和受弯变形位移波的传播速度都比一般钢桥或混凝土桥小得多。
Objective To evaluate the feasibility and accuracy of color M-mode Doppler flow propagation velocity (FPV) in assessment of the severity of aortic regurgitation (AR).
目的观察m -型彩色多普勒超声测定主动脉瓣返流(AR)的血流传播速度(FPV)估测AR程度的可行性及准确性。
Objective To investigate the effects of diltiazem on left ventricular early diastolic flow propagation velocity (VP) in patients with hypertrophic cardiomyopathy (HCM).
刘丽华 王志斌 聂晶 李艳摘要目的 检测硫氮卓酮对肥厚型心肌病（HCM）左心室舒张早期血流传播速度（VP）的影响。
The results show that the average velocity of the shock wave attenuation in magnesium alloy is in good agreement with the propagation velocity of stress longitudinal wave;
研究结果表明：冲击波在镁合金中的平均传播速度与应力波中纵波的传播速度基本一致；
Color m mode Doppler echocardiography studies were obtained from mitral valve orifice toward the apex: the rate of flow propagation velocity (FPV) from apical 4 chamber views.
将m型取样线置于二尖瓣口左室流入道至心尖获取彩色左室舒张期血流传播图测量fpv。
Based on experiment analysis of hydraulic properties of tidal bore about bore height, propagation velocity and tidal current velocity, the relative tidal bore height exceeds 0.
通过在涌潮水槽中测试分析不同潮前水深、涌潮高度条件下的涌潮传播速度、涌潮水流速度等要素，得到潮头充分破碎涌潮的相对潮高大于0。
Based on the mechanics of wave, the expression of water wave propagation velocity under the action of gravity is deduced and the effect of surface tension on small wave is analyzed.
本文根据波动理论推导出在重力作用下波的传播速度表达式，分析了微小波动中表面张力的作用。
Existing methods for travelling wave fault location don't combine the arrival time of travel-ling wave with the propagation velocity properly, which leads to poor location accuracy.
现有行波测距法基本上都没有把由该方法所确定的行波到达时间与故障定位用行波传播速度很好地结合起来，导致定位精度不理想。
The network becomes the many people head expression outlet for choosing by degrees, quick its propagation velocity, spread wide sphere, let to take charge of difficult up add difficult.
网络逐渐成为很多人首选的表达渠道，其传播速度之快、传播范围之广，让监管难上加难。
We reported the main progress made in China in recent years of the study of ultrasonic tissue characterization-propagation velocity, attenuation, scattering and nonlinearity parameter, etc.
本文报道了近年来我国在生物组织超声特性——传播速度、衰减、吸收、反射、散射和非线性声参量方面的研究进展情况。
When the shock wave is formed, the propagation velocity of the two peak values of explosion wave, become nearer and nearer, that is reciprocally authenticated with the explosion propagation theory.
形成激波后，爆炸波两峰值往下游传播越来越靠近，测试结果与爆炸传播理论是相互验证的。
A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.
建议了一个不受波速值限制的逐步近似法，并给出反向塑性加载边界传播速度的计算式。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。
Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations.
在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。
Meanwhile, the influences of pipeline internal pressure, wall thickness, crack arrest length and initial crack velocity on the crack driving force (crack propagation) are further studied.
进而分析了管道内压、壁厚、裂纹止裂长度和初始裂纹速度对裂纹驱动力(也即裂纹扩展)的影响。
With the help of model techniques, we can determine seismic velocity in porous media by accounting for viscous fluid effects on wave propagation.
借助模型技术，可以利用孔隙介质中粘滞流体对地震波传播速度的影响预测地震波传播速度，降低反演结果的不确定性。
The results show that the propagation speed of the wave is not equal to the speed of energy flux, but nearly equal to the real part of the complex group velocity.
结果表明，波的传播速度并不等于能流速度，而与复群速度的实部近似相等。
The propagation field and velocity of positive streamer are investigated under different pressures and humidity conditions through a three-electrode system.
为了解流注传播电场测量中大气参数的影响，利用“三电极系统”研究了不同气压湿度条件下正流注的传播电场和传播速度。
The paper studies the concepts of phase velocity and group velocity on electromagnetic wave propagation and discusses the relation between signal conveyance and energy conveyance.
文章研究了电磁波传播的群速与相速概念，论证了信号传送与能量传递的必然联系。
Combing the wave field snapshot with the corresponding velocity section proves to be important in the observing of wave propagation.
将波场快照与速度剖面相结合，可以更好地观测到波的传播过程。
It is shown that the variations of wavelength, phase velocity and propagation direction depend on the vertical structure of the wind and also on the direction of the wave with respect to the wind.
结果表明，沿群路径上波长、相速和传播方向的变化取决于风场的垂直结构以及波风之间的相对方位。
It is shown that the variations of wavelength, phase velocity and propagation direction depend on the vertical structure of the wind and also on the direction of the wave with respect to the wind.
结果表明，沿群路径上波长、相速和传播方向的变化取决于风场的垂直结构以及波风之间的相对方位。
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