Secondly , the paper use the simplified gim tyre models establish the post collision movement model to analyze and calculate the mechanics movement of the vehicles during the traffic accidents . thirdly , on the basis of deeply analyzing the tripped accidents , the paper establishes the rollover analytic model between the vehicle and the barrier and between two vehicles collision ; establishes the critical rollover velocity model ; establishes the roll model to simulate the movement after rollover collision 本文还对绊倒侧翻进行了初步研究，对两车相撞的侧翻事故进行了分析，进一步建立了90与180翻车的临界侧翻速度模型和事故车辆翻滚运动模型，用于推测事故车辆的侧向速度范围、模拟侧翻的运动过程，并通过实车试验资料验证了该模型的正确性。
The rapid and reversible change between fluid and solid enables erf potential applications in mechatronic devices , cars and general machines . the transmission ability of a self - made cylinder coupling with zeolite - based erf was investigated , the torque transmission of the coupling in wide ranges of driving speed and electric field was measured . the relationship between the transmission torque , the zero field viscosity of erf and shear yield stress of erf under different electric fields was obtained and compared with theoretical prediction 本文用沸石和硅油配制的电流变液，在自制圆筒式联轴器上研究了在一定的速度范围和有无电场作用条件下测量了其扭矩传递能力，获得了传递扭矩与零电场电流变液粘度以及电场中电流变液的剪切屈服应力之间的关系，并与理论值进行了比较。
At last , it deduced a new improvement method from the theories , and make use of a new physical concept ? the independent of speed function for accuracy checking up the turns sub - position and the communication point so as to control sensorless brushless dc motor with the breadth regulating - speed scope from zero to high speed . based on the function , it will research the new control method 最后,从理论上推导了新的改进方法,并利用一个新的物理概念? ?与速度无关的位置函数g ( ) ,其能高精度检测出转子位置和换相点,以此来控制无刷直流电机,实现电机从零转速到高转速的宽速度范围调节,在此基础上研究了应用这种新的位置函数的控制策略。
After finished the cyclic voltammetry experiments , the results showed that iron steel grid can act as good current collector in the aqueous electrolyte . while the scan rate was fall in the range of 0 . 5 - 4 . 0mv / s , electrochemical reaction of the lithium insertion / extraction in the solid phase was kinetically limited by the diffusion of lithium ions . after 40 cycles in aqueous electrolyte the discharge capacities of sample of s13 reached 77mah / g , and showed good cycle performance 在水溶液中不锈钢网可以作为电极的集流体，在0 . 5 - 4 . 0mv / s的扫描速度范围内，锂离子在尖晶石锂锰氧化物的嵌入和脱嵌的电化学反应在动力学上是受锂离子在固相中的扩散所控制，充放电实验显示样品s13在水电解液中经过40个循环后达到77mah / g的放电容量，具有很好的循环稳定性。
