Most of the time, friction between the plates causes them to stick together, and stress increases over time.
大多数时候，板块之间的摩擦力使两者紧紧挤在一起，并随着时间增加，挤压力逐渐增加。
Experimental results show the change of friction factor is correlative with the difference of running temperature and installation temperature but not the force time.
经过数据整理得出了以下结论：摩擦系数的大小变化决定于运行温度和安装温度差，和“推动次数”无关。
Large diameter ultra wide quality rubber wheel allows the user to obtain the effective protection of the ground at the same time, the lift increases the brake friction.
大直径超宽优质橡胶车轮使得用户地面得到有效保护的同时，升降机增大了制动的摩擦力。
In addition, the reasonableness of the law was analysed and a formula of total skin friction associated with time was obtained.
并对其合理性进行了研究，从而导出一个与时间相关联的整体摩擦阻力模型。
The result shows that in the ring-block sliding wear test, with time prolonging, the friction coefficient of all samples becomes more and more stable, and the mass wear loss increases.
结果表明：在环-块滑动摩擦实验中，随时间延长，试样摩擦系数均趋向平稳，质量磨损量均增长。
Tribological tests reveal that the friction coefficients of the nitrided samples are greatly reduced, and the surface hardness is remarkably improved at the same time.
摩擦学测试表明渗氮样品不仅摩擦系数大大降低了，而且表面硬度也获得了显著提高。
Natural softening is the best, early can tape friction in shoes and feet place, over a period of time will not be too grinding foot removed tape.
自然软化是最好的，前期可以用胶布在鞋子与脚相磨的地方贴上，过一段时间就不会太磨脚再取下胶布。
Change of negative friction in pile with consolidation time is simulated by finite element method.
采用有限元方法模拟了基桩负摩阻力随着固结时间的变化。
The results show that the friction coefficient in rolling condition fluctuates with time and the period is equal to that of rolling movement.
结果表明：摇摆条件下摩擦阻力系数随时间周期性波动，波动周期等于摇摆运动周期。
The real-time identification of material properties and friction coefficient is as the key to intelligent control of deep drawing process.
材料性能参数和摩擦系数的实时识别是实现拉深过程智能化控制的关键。
Peaking effects were found on the plot of internal friction vs strain amplitude or time when the resonant frequency of anomalous peak closed to the normal one.
当反常共振峰频率与正常共振峰靠近时，在内耗-振幅或内耗-时间图上呈现峰值效应。
The invention relates to an automobile brake friction plate alarm method and a device thereof, which can effectively monitoring the working state of a friction plate and alarm in time.
本发明涉及一种汽车制动器摩擦片报警方法及装置，能够实现对摩擦片的工作状态有效监测，及时报警。
But as experiment time increases, the effect of increasing friction for driving drum with concave covering-layer is decreased, and much lower than the driving drum with convexity covering-layer.
但是凹坑形仿生非光滑传动滚筒随着实验时间的增长，其增摩效果受到一定的影响，效果不如凸包形仿生非光滑传动滚筒。
Three control modes have been worked out, such as time-control, deformation-control and power-peak control. Each model realizes automatic control in linear friction welding.
采用时间控制、变形量控制和功率峰值控制三种控制方式实现了焊接过程的自动控制。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
At this time when harmony is essential, we cannot afford to have any friction in our group.
这个时候，和谐才是最重要的，因此我们小组再也不能产生任何冲突了。
At this time when harmony is essential, we cannot afford to have any friction in our group.
这个时候，和谐才是最重要的，因此我们小组再也不能产生任何冲突了。
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