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- As soon as sliding begins, it is found that the friction force decreases. 人们发现，滑动一开始，摩擦力就减
- The frictional force between a particle and fluid counterbalances the weight of the particle. 颗粒与流体之间的摩擦力与其重量相平衡。
- When the friction force acts alone, the total mechanical energy is not conserved. 当只有摩擦力作用时，总机械能就不守恒。
- For sliding contact, the coefficient of kinetic friction Uk is defined as the ratio of the frictional force to the normal force. 滑动接触时，动摩擦系数Uk的定义是摩擦力与法向力的比率。
- Clogging of vibrating screen with shaking plate in the material grinding field is overcome by analyzing the problems and using the frictional force. 通过分析磨料行业中摇板振动筛网孔堵塞的原因，利用摩擦力的作用，采用激振法解决摇板振动筛网孔的堵塞。
- The friction force is therefore called a nonconservative or a dissipative force. 因此，摩擦力称为非保守力或耗散力。
- What effect does this have no the friction force between the opposing lineman's feet and the ground? 这对这名边线防守队员的脚与地面之间的摩擦力产生了怎样的影响？
- The friction force between Si3N4 probe of AFM with WS2 nanotube is lower than that with MoS2 powder. 在室温大气下干摩擦时原子力显微镜的S3iN4探针与WS2纳米管之间的摩擦系数小于与MoS2粉末的摩擦系数。
- The work of the friction force does depend on the path; the longer the path between two given points, the greater the work. 摩擦力的功则取决于路径，路径越长，功越大。
- In pneumatic proportional position control system, the friction force is a key factor affected the accuracy of its positioning. 摘要气动比例位置控制系统中，摩擦力是影响其定位精度的一个关键因素。
- The isolation of this damper is performed by the friction force caused by relative slip between plate layers under loading. 根据动力学原理,建立了阻尼器的振动系统模型及系统方程;
- The friction force is described by a hysteretic model, which is determined by the state of motion of the damper, i.e. stick or slip. 阻尼器摩擦力由黏滞模型描述，由接触面滑动或黏滞状态决定。
- The distribution of the friction force on the interface between soil and mortar and the variation of pretress in anchors are obtained through test. 通过试验，测试了锚固体在岩土中摩阻力的分布规律及其锚杆中的预应力变化，校验了锚杆的设计数据，为工程提供了设计依据。
- It was revealed that the device realized the directional movement by controlling the difference between the driving force of device leg and the friction force of interfaces. 指出该机构是通过控制机构驱动“足”产生的驱动力和接触面之间的摩擦力之差实现机构的定向运动的。
- The steel ball enumerates, the friction force to be small many, facile nimble, the service life is long, is advantageous for the service maintenance and the replacement. 钢球列数多、摩擦力小，轻便灵活，使用寿命较长，便于维修保养与更换。
- The fractal behavior of the frictional forces was studied by means of fractal dimension and multifractal spectrum. 随着磨合磨损过程的进行，信号的分形维数和多重分形谱出现规律性的变化；
- OBJECTIVE: To introduce a newly developed self-locking brackets, and investigate the frictional forces of the brackets. 目的： 介绍一种新式托槽，并观察新研制自锁托槽的摩擦力。
- In this paper, the stress and strain of the O-type sealing ring moving back and forth between piston and hydraulic vat are analyzed, so the frictional force of the O-type sealing ring can be obtained. 对液压缸内作往复运动的活塞上的O形密封圈进行应力和应变分析，从而确定O形密封圈引起的摩擦力的大小.
- The results demonstrate that when surface roughness increases, the load capacity and the frictional force of surface asperities increase, but the oil film-thickness ratio decreases. 主要研究了表面粗糙度对轴承流体润滑以及轴心轨迹的影响。
- A simple method is proposed to construct the cone formed by the friction forces and moments. 提出一种简单的方法快速构造摩擦力和摩擦力矩形成的圆锥。
