研究具有有限惯性、并有局部富集条件下颗粒的碰撞率是目前两相流体力学和气溶胶动力学的研究热点之一。
Research on collision rate of finite inertial particle with preferential concentration is one of hotspots in gas-particle flow mechanism and aerosol dynamics.
当提到死亡率，马路上最危险的碰撞事故不是被另一辆车从正面撞击或是从侧面撞击成T字型，是单车碰撞事故。
When it comes to fatality rates, the most dangerous collision on the road isn't getting rammed head-on by another car or T-boned from the side.
他们必须放慢速度到每小时19英里左右，万一发生碰撞事故，人员死亡率低于5%。
They must slow down to about 19mph, a speed that, in case of collision, kills less than 5%.
2003至2007年间由机动车辆碰撞所引起的损伤的比例增加了14%，而与碰撞相关的死亡率则增加了39%。
The proportion of injury attributable to motor vehicle collisions increased by 14% and the collision-related mortality rate increased by 39% in 2003–2007.
模拟结果表明，增加引出电压可以缩短引出时间，降低碰撞损失，但是增加了溅射损失，使得收集率降低；
The results show that the extraction time and collision loss are decreased by increasing extraction voltage, but the sputtering loss increases and collection ratio decreases.
离子引出时间不是判断碰撞损失率的标准。
The extraction time can not serve as the criterion for the lost ratio of collision.
其次是弹性，是指地毯经过一定次数的动荷载碰撞后，厚度减少的百分率。
Second is elastic, it is to point to carpet after a certain number of dynamic load after the impact, reduce the percentage of thickness.
结果表明，在离子束-等离子体系统中可以激发维泊耳型电磁不稳定性，离子和电子之间的碰撞将使这类不稳定性的增长率增加。
The results show that electromagnetic instability can be excited in an ion-beam-plasma system. Ion-electron collisions increase the growth rate of the instability.
大客车的碰撞安全性问题是近几年来人们普遍关注的问题，而客车的翻滚碰撞是事故伤亡率较高的一种情况。
Collision safety of bus has been paid much attention in recent years, roll-over collision is one of the highest casualty ratio condition in traffic accidents.
等离子体的电子碰撞频率和磁感应强度是调节等离子体反射率的重要参量。
The electronic collisional frequency and magnetic inductive intensity are important parameters of plasma for adjusting the reflectance.
研究了激光椭偏率对基于光场感生电离(OFI)电子碰撞机制类镍氪(NLK)系统电离参数的影响。
Influences of laser ellipticity on the ionization parameters of Ni-like Kr (NLK) system based on electron collisional scheme of optical-field ionization (OFI) were investigated.
模拟结果表明，RF共振法与平行板静电场法相比，引出时间较短，碰撞损失和溅射损失较低，收集率较高；
The results show that compared with parallel electrode method, RF resonance method has advantages such as shorter extraction time, lower collision loss and sputtering loss and higher collection ratio;
因此，研究如何提高我国轿车的侧面碰撞安全性能，对减少对乘员伤害、降低车辆碰撞事故中的死亡率具有重大意义。
Therefore, researches on how to improve the car's side impact safety become very important for reducing passenger injury and the fatality rate in vehicle accident.
用来降低研发周期和研发成本，并提高实物样件碰撞实验评估的通过率。
This method significantly reduced research and development cycle and cost, and also improved physical experiment evaluation pass rate of the specimen.
同性带电粒子间的碰撞作用减少凝聚率。
Encounters of like charges act to diminish the coagulation rate.
同性带电粒子间的碰撞作用减少凝聚率。
Encounters of like charges act to diminish the coagulation rate.
应用推荐