查询词典 friction coefficient

It was shown that the great variation of effective unit weight and angle of internal friction of soil could result in the increase of seepage failure probability of earth dams, the effect of variation of angle of internal friction of soil was greater, and the seepage failure probability of earth dams was sensitive to variability of dam seepage. In addition, the increase of water level in reservoir would also induce great increase of seepage failure probability of earth dams.

结果分析表明，坝体渗透破坏的概率随着土体有效重度和内摩擦角变异性的增加而增加，并且土体内摩擦角的变异性对坝体渗透破坏的影响较大，坝体渗透变异性对坝体渗透破坏的影响较大；另外，随着库水位的升高，坝体发生渗透破坏的概率也显著增加。

By analyzing 3D surface morphologies and temperature field of dry sliding friction, the reason why vermicular iron has excellent dry sliding friction properties was further explained from the behaviour mechanism.

通过对试样三维表面形貌和干滑动摩擦温度场分析，进一步从机理上解释了蠕墨铸铁所具有的良好干滑动摩擦学性能。

The electromagnetic torque and force were calculated with virtual displacement method. The friction torque was done with friction law. And then the output torque was calculated.

用虚位移法计算了电磁转矩和电磁吸力，用摩擦定律计算了摩擦转矩，进而计算出输出转矩。

Friction power is generated by viscous friction loss of resistance, by the following formula, said

摩擦功率是指液体粘性阻力产生的摩擦损失，可由下式表示

At last, a model is proposed to describe time effect of the rock interface friction resistance when viscous sliding and displacement softening occur,the relaxation model of friction resistance.

基于岩石块体摩擦滑动试验反映的特征规律，本文分析了岩块随时间滑动的界面阻抗机理，并建立粘滑位移弱化时反映滑动界面阻抗时间效应的模型公式阻抗松弛模型。

By using static equilibrium law, nonlinear buckle behavior of string in deep well has been researched. In comprehensive consideration of gravity, contact force of borehole wall, axial friction and tangential friction of borehole wall on the string, pressure and viscous resistance of fluid outside of and inside of a string, differential equation of buckle has been established, which amended computational model of axial load on a string.

应用静力平衡法对深井注入管柱的非线性屈曲行为进行了研究，建立了综合考虑重力、井壁支反力、井壁对管柱的轴向摩擦力和切向摩擦力及管柱内、外流体压力和粘滞阻力联合作用下的屈曲微分方程，对注入管柱的屈曲变形及弯曲附加应力等后屈曲行为进行分析，修正了管柱轴向载荷计算模型。

Affected by the hydraulic pressure sent from the vitta, the wheel cylinder piston pushes the friction plates and makes them press down on brake disc so friction braking can be achieved. The working principle is like griping a rotaty plate with a clamp and making it stop.

分泵的活塞受油管输送来的液压作用，推动摩擦片压向制动盘发生摩擦制动，动作起来就好像用钳子钳住旋转中的盘子，迫使它停下来一样。

Rhode S M A mixed friction model for dynamically loaded contacts with application to piston ring lubrication Friction and Traction,westbury house , 1979,null

张移山%孔宪梅%陈大融关于内燃机缸套与活塞环磨合过程的数学模型机械科学与技术， 1997，01

The generator loss is composed of iron loss, bearing friction loss, bushing friction loss and windage loss.

发电机损失由铁损，轴承摩擦损失，套管摩擦损失和风阻损失组成。

The invention relates to amianthine cat whisker-free friction material and the preparation method thereof, and belongs to the friction material industry technical field.

一种无石棉晶须摩擦材料及其制备方法，属于摩擦材料行业技术领域。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044