您要查找的是不是:
- 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 observed friction force is the force required to break these tiny welds. 我们观察到的摩擦力,就是破坏这些细微的焊接点所需要的力。
- Calculation results show that greater friction force exist between drill stem and wall of bore in tripping out and drilling using PDM (positive displacement motor) working conditions. 计算结果表明,起钻和井底动力钻具钻进两种工况,钻柱与井壁间有较大的摩擦力。
- The effect of curvature, torsion and Dean number on secondary flow, the isoline of stream function, the distribution of axial speed and wall friction is discussed in detail. 详细讨论了曲率、挠率、Dean数对二次流动、流函数等值线和轴向速度的分布以及壁面摩擦力的影晌。
- In such a situation he would give anything for the sake of just a little friction force. 在这样的情况下,他会不惜任何代价来换取那怕只是一点儿摩擦力。
- 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。
- This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift. 该摩擦力的非线性改变使速度产生变化,导致人们在搭乘液压电梯时产生不舒适感。
- 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。
- In the impingement experiments, the spray were impinged on the wall using a single hole, spray kept on moving alone the wall, and vortex was observed as a result of gas resistance and wall friction. 油束撞击到平板受到平板的限制,形成壁面喷射,油束沿壁面运动,由于受到壁面上方空气的阻力而部分油束脱离平板形成“卷毡”现象,油束卷起的高度即壁面高度远小于壁面贯穿距离。
- 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。
- Because of the ice and the snow, it has less frictional force. 再加上冰雪在减少磨擦力。
- This frictional force causes the velocity of an object to decrease. 这种摩擦力使物体的速度减低。
- 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 shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- If there are nonideal constraints in the system, such as a spring force or a friction force etc, they can be treated as a positive force. 若要求解约束反力,需解除相应的约束,代之以约束反力,并计入主动力。
- Flanged valves have following features : small opening stroke , small friction force when opening and shutting ,and high abrasion resistance . 本阀门结构为法兰连接,具有开启行程小、摩擦力小、耐磨等特点。