摩擦

The friction and wear properties of the composites were tested by using a laboratory dynamometer.

摩擦试验在实验室规模的MM-1000摩擦试验机上进行。

In this paper,a numerical solution for radial journal bearings with liquid hydro-dynamic lubrication is analysed, numerical expressions for oil fiton pressure, bearing capacity , friction moment,and leakage at the bearing ends are derived,bearing capacity,flow rate, friction moment,and eccentric angle of the load under 14 different temperatures and 14 different load eccentricities are calculated.

采用数值法分析解算液体动压向心滑动轴承，推导了油膜压力、承载力、摩擦力矩和端泄流量等的数值表达形式，计算了14个不同温度点及14种不同偏心率下的承载力、流量、摩擦力矩、载荷偏位角，并通过AUTOCAD绘制了它们之间的影响曲线。认为偏心率及油温对承载力影响很大，设计时应加以限制。

Generally, its operating condition is under the low-speed and thin oil lubrication, so the viscous friction was usually neglected and the friction torque caused by main influencing factors of elastic hysteresis in rolling, spin of rolling element and sliding friction on contact zone were considered.

低速灵敏球轴承小而稳定的启动力矩和动态力矩对于导航系统的姿态控制至关重要，其工况通常是低速稀油润滑，黏性摩擦被忽略而重点推导接触区因弹性滞后、自旋及差动滑动引起的摩擦力矩。

Upper lid entropion involves the eyelashes rubbing on the eye, but the lower lid usually has no eyelashes, so hair rubs on the eye.

上眼睑内翻导致睫毛摩擦眼球，而下眼睑通常没有睫毛，因此下眼睑内翻引起毛发摩擦眼球。

It is an open problem for the equivalence principle of extended rotating bodies.It is significant for equivalence principle test for extended rotating bodies with a torsion balance to measure the internal friction torque of a gyroscope.

利用角动量定理对实验采用的电磁驱动机械陀螺的内部摩擦力矩进行测量，分析了这一摩擦力矩对宏观旋转物体等效原理扭秤方案检验的影响，并就此提出了几项改善措施。

The triboelectrostatic beneficiation experiments have been done based on the research of floatability, dielectric constant and mineral components.

在对3种煤的浮沉性能、介电常数、矿物成分研究的基础上，进行了摩擦电选实验研究，应用摩擦电选技术结合喷煤系统的特点，进行炉前降灰具有工艺和技术的合理性，降低高炉喷吹用煤的灰分有利于提高煤比、降低焦比及生铁成本。

In a third embodiment, a friction element is formed of resin and includes a friction adjusting element.

还可以设置一个具有摩擦调整元件的树脂制摩擦件。

A new method relying on the Stroh formulism and the theory of the surface impedance tensor was developed to investigate the dynamic instability of interfacial slip waves.The concept of the surface impedance tensor was extended to the case where the wave speed is of a complex value,and the boundary conditions at the frictionally contacting interface were expressed by the surface impedance tensor.Then the boundary value problem was transformed to searching for zeroes of a complex polynomial in the unit circle...

基于Stroh公式和表面阻抗张量理论，提出了研究界面滑移波动态失稳问题的一种新的方法·该方法将表面阻抗张量概念推广到复波速域，并将摩擦接触界面上的边界条件以表面阻抗张量表示·最终将边值问题化归为求解一个复多项式在单位圆内的根·以弹性半空间与刚体平面相对稳态摩擦滑移为例进行了详细的分析，导出了一个4次复特征方程并讨论了方程在单位圆内解的特性，给出了滑移界面波失稳条件的显式解析表达式

Finally, the wear and tear experiments on the lubricating oil were performed on the four-ball friction machine.

最后利用四球式摩擦磨损试验机对该润滑油进行了摩擦磨损性能测试。

The tribological performance of this additive in HVIWH150 base oil and SJ 5W/30 gasoline engine oil was investigated by four-ball testing machine, respectively.

在四球摩擦磨损试验机上考察了该添加剂在HVIW H150基础油及SJ 5W/30汽油机油中的摩擦磨损性能。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。