模拟试验

By applying the drop testing machine to automatically simulate half-sine pulse,the calculating model was set up to describe the course of half-sine pulse generated by the rubber waveform generator,based on the basic mechanical principle of half-sine pulse generation and non-linear of the rubber waveform generation in the condition of quasi-static compress.

采用跌落式冲击试验机机械模拟半正弦冲击波，以半正弦冲击波形产生的基本力学原理以及橡胶波形发生器在准静态压缩情况下的材料非线性为基础，建立描述橡胶波形发生器生成半正弦冲击波过程的理论计算模型。

The question of ruined earth pressure cell in test is solved,and the contact pressure between soil and pile is found out by the numerical simulation and distributing law of earth pressure.

通过数值模拟，解决试验中土压力盒损坏的问题，得到地震动激励下桩–土接触压力峰值的数据，并由此分析桩–土接触压力的大小及其分布规律，提出桩基上的支盘是基础减振的主要构件，并承受动荷载，减轻地震波对上部结构的冲击力，同时消耗上部结构反馈给基础的振动能量。承台和桩基两侧的土压力时程曲线呈反向关系，说明基础在同一时间一侧受压，另一侧受拉。

The results of numerical simulation and experiments prove that the calculating formulas have high accuracies in this paper.

数值模拟计算和试验测试结果证明本文给出的解析计算式具有很高的精度。

This test involves a series of controlled impacts where a helmet is positioned on a metal head form and then dropped in a guided fall onto various steel test anvils (Flat, Hemisphere, Kurbstone, Roll_bar, edge or a horseshoe type) which simulate different impact surfaces.

这次测试涉及一系列的影响控制在头盔的位置上的金属头的形式，然后下降，由导游带领跌下各种钢材试验anvils （平面，北半球， Kurbstone ， Roll_bar ，边缘或马蹄型），其中模拟不同的影响面。

In order to improve the prediction accuracy, the sensitivities of pipe friction coefficients, pressure loss coefficients in bents, wall temperatures and heat transfer coefficients in pipes and cylinders on the volume efficiency are investigated.

为提高充气效率的计算精度，由模拟计算和相关试验，分析了管道的摩擦系数、弯管的压力损失系数、进气管壁和气缸壁温度及其传热系数对充气效率的影响程度。

Simulated results match the experimental observations of the boiler feed pump.

模拟的结果与试验测得的参数有一定的可比性。

In a pilot scale reverse flow reactor with a liter of catalyst, catalytic combustion of typical industrial waste gas contaminated with volatile aromatic compounds was systematically investigated, and the "temperature run-away"in the case of too high feed concentration and the " extinction of reactor" in the case of low feed concentration were observed.

在流向变换催化燃烧小型中试装置上利用国产催化剂进行了含混合芳烃模拟工业废气的净化试验，重点考察了挥发性有机物能够通过调整换向周期在既不&飞温&也不&熄火&的条件下保持很高的VOCs转化率的浓度变化范围，初步观察了由于VOCs浓度过高或过低所引起的&飞温&或&熄火&过

The simulations predicted a comfortable temperature margin at the injector face, which was confirmed by subsequent test firings.

模拟预测舒适的温度差值在注射器的脸，证实了这一点以后的试验发射。

Finally, according to the researches of flume experiment and numerical simulation, the article puts forward a new method of flow rate calculation for the circular and pier shaped cylinder measuring flumes, which is much more application, and can meet the need of the free outflow and submerged discharge, meanwhile it analyses the precision of the new method, and provides the theory for the broad application of the circular and pier shaped cylinder measuring flumes.

最后，根据水槽试验和数值模拟研究成果，建立一套适用范围较广的、能满足自由出流和淹没出流需要的圆柱形和桥墩形量水槽的测流计算方法，并对方法的精度进行分析，为圆柱形和桥墩形量水槽的广泛应用提供理论基础。

For fire alarm and gas detector system, under the condition of non—connection local cable, executing sound and light

对火警和可燃气体检测系统，在不连接现场电缆的情况下，通过接模拟负载进行声光报警试验。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了