It is widely used in the velocity measurement, especially in the field of material impact characteristics researching.
在速度测试领域，特别是研究材料的冲击特性中具有广泛的用途。
The rotational velocity has an important impact on the distribution of pressure and temperature in SRM.
旋转角速度对发动机内部的压力和速度的分布有很重要的影响。
During fast starting, stopping or running phase, humans often use the impact of their feet on the ground to improve moving velocity.
人类在快速起停或跑动过程中，往往利用脚对地的冲击来提高运行速度。
Useful information for the performance improvement was got from the distribution of inner flow velocity and pressure, flows impact, secondary flow and recirculation in the helix centrifugal pump.
通过对该泵内部流动速度、压力分布与捕捉到的流动冲击、二次流、回流等重要现象的分析，给该泵的性能改善与改进提供可靠的信息。
The macroscopic damage image of reinforced concrete slabs under impact effect are obtained through model test, and the residual velocity of the projectile are gained from the tests.
通过弹丸撞击有限厚度钢筋混凝土靶板的模型试验，获得了有关靶板冲击破坏的宏观图象及弹丸贯穿靶板后的残余速度。
For collinear collision, the preceding collision velocity and post collision velocity are calculated on the basis of the impact locality and stop locality of collision vehicle.
对于二维碰撞，可以根据车辆的碰撞位置和停止位置，反推计算出车辆碰撞后的分离速度和碰撞前的接触速度。
The present attention is mainly focused on the effect of initial deflection, impact velocity and coupled stiffness.
分析了初始挠度、冲击速度、耦合刚度等因素对临界轴向缩短量的影响。
A key step of accident reconstruction is to establish impact models for calculating the impact velocity of vehicles.
建立碰撞模型求解碰撞速度是交通事故再现的关键步骤。
The compressive failure tests were carried out on the composite laminates after low velocity impact damage to study compressive failure mechanisms of laminates after low velocity impact damage.
对两种材料体系和铺层的复合材料层合板进行低速冲击后压缩强度试验，以研究低速冲击后层合板的压缩破坏机理。
Compressive failure tests were carried out on composite laminates and stitched laminates after low velocity impact to study compressive failure mechanisms of laminates after low velocity impact.
对缝纫层合板和无缝纫层合板进行低速冲击后压缩破坏实验，以研究低速冲击后层合板的压缩破坏机理。
Two methods to improve the impact velocity are proposed. The dynamic equation of particle motion is established. The influence parameters to the impact velocity are calculated and analyzed.
提出了两种提高冲击速度的方法，建立了颗粒运动的力学方程，计算和分析了影响冲击速度的参数。
The results indicate that, with the increase of the impact displacement, the impact velocity decreases almost linearly, and the impact acceleration quickly declines to a minimum.
发现随着冲击位移的增加，冲击速度几乎呈线性下降，冲击加速度很快减少到一个极小值，而能量吸收阶段中前阶段的吸收速度比后阶段快。
As to the difficulty in constructing a model and variable impact because of uneven ground, a fuzzy controller is made to control the velocity of the hydraulic motor.
针对液压阀控马达模型建立困难而又不准确，路面凸凹不平造成冲击载荷时变等问题，设计了模糊控制器对行走马达的速度进行闭环控制。
Our results prove that the severity of tissue damage resulting from fragment injury is closely related to the shape, mass and impact velocity of the fragments.
反映了组织损伤程度受弹片的形状、质量、撞击速度等的相互影响。
The touch velocity, acceleration and jerk of clamping points have been analysed. From these analysis results an effective way has been found in order to decrease the touch impact as far as possible.
并对夹持点的接触速度，加速度及其跃度进行了分析，从中找出了尽量减小接触冲击的有效途径。
It is found that the plateau stress is proportional to the square of the impact velocity when the imperfect honeycombs are deformed at transitional mode or dynamic mode.
对含缺陷蜂窝结构平台应力的研究发现，当变形模式为过渡模式或动态模式时结构平台应力与冲击速度的平方成线性关系。
The formula acquired from experiment, indicated the relationship with penetration increment, oblique angle of target and impact velocity, can be applied in engineering.
所获得的相对侵彻增量与靶板倾角、着靶速度的定量关系式，具有工程应用价值。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
The effects of impact Angle, particle velocity, erodent size and impact time were demonstrated.
研究了冲蚀角度、冲击速度、磨粒尺寸、冲蚀时间等影响因素对材料的冲蚀率的影响。
This paper researches into reentry vehicle impact errors which result from the roll velocity changes by use of rotor dynamic theory.
用转子动力学理论研究了再入航天器滚速变化引起的落点误差。
As an important parameter usually decided by field survey, mud depth of debris flow is directly related to quantitative calculation of velocity and impact forces.
泥石流泥痕深度是一个通过勘测调查获取的重要参数，它直接关系到泥石流运动流速、冲击力等特征参数的定量计算。
The results show that the depth and diameter of craters change linearly with the projectile diameter when the impact velocity is a constant.
结果表明，弹丸撞击速度一定时，弹坑深度和弹坑直径均与弹丸直径呈线性关系。
The impact of dry gas on FCC reaction becomes increasingly pronounced with lower reactor temperature and lower hourly space velocity, greater catalyst to oil ratio and longer reaction time.
而且在反应温度和空速越低、剂油比越大、反应时间越长的条件下，催化裂化反应受干气比率的影响越明显。
The relationship curves between impact velocity and deformation field are obtained, which can be an important base of the research for meteorite impact.
得到了撞击速度与撞击形变场的关系曲线，可作为陨石撞击研究的重要依据。
By using a dynamic contact analysis, a finite element model is developed to calculate the response of composite laminates to low velocity impact. A numerical example is given.
利用动力接触分析方法模拟冲击的接触行为，提出了一种新的计算复合材料层板低速冲击响应的有限元模型。最后给出一个算例。
With the increment of impact velocity, the new material appears positive strain rate sensitivity, but when the increment reaches a certain degree, the material shows negative strain rate sensitivity.
随着冲击速度的提高，材料具有应变率正敏感性，但到一定程度材料反而显示出应变率负敏感性。
The rule about impact coefficient has increased trend with increasing of train velocity in section of middle of span.
随着列车车速的增加，跨中动力系数有增大的趋势。
The result shows that the impact velocity of initial yield is very small for the soil, and the cohesion has an obvious influence on it while the internal friction Angle does relatively small.
研究结果表明：土体初始屈服冲击速度非常小，其中黏聚力对其有较大影响，而内摩擦角对其影响相对较小。
By analyzing the impact phenomenon of hydraulic support's hydraulic system, this research finds out the cause of hydraulic impact lies in the discontinuity of hydraulic flow velocity.
通过对液压支架液压系统的冲击现象的分析，找出引起液压冲击的原因是液压流速的突变。
By analyzing the impact phenomenon of hydraulic support's hydraulic system, this research finds out the cause of hydraulic impact lies in the discontinuity of hydraulic flow velocity.
通过对液压支架液压系统的冲击现象的分析，找出引起液压冲击的原因是液压流速的突变。
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