动摩擦

Relative techniques are introduced, such as spherical gemel hoisting mechanism that made the active docking ring rotating in three-dimensional direction, intelligent gravity balance technique that could provide the force with high speed and precision to balance gravity and could automatically follow with the active docking r.

介绍了有关技术：主动环实现三轴转动的球铰吊装机构；能够高速度、高精度地提供重力平衡力，并能实现自动随主动环上、下运动的智能型重力平衡技术；保证平衡器随主动环随动的轮轨式二维平动技术，经轻量化设计，其摩擦阻力和惯性阻力很小，并对轮轨式方案进行了试验，当量摩擦系数仅为

Key words:the three dimensional contact problem with friction;nonlinearcomplementary;nonsmooth equations;generalized derivative;nonsmoothmethod;convergence analysis

给出了三维摩擦接触问题的一个非光滑混合不动点模型及算法，这种算法无须求导数，没有引进任何额外变量，并且可视为一种三维摩擦接触问题的迭代法，利用非光滑分析和不动点理论对算法做了分析，给出了算法的不动点理论背景及算法的理论分析，为模型解的存在性及算法收敛性提供分析依据，最后给出了相应的数值算例。

Under water lubrication condition, its coefficient of kinetic friction compared to pa66 and metaformaldehyde low half.

在水润滑条件下，其动摩擦系数比pa66和聚甲醛低一半。

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。

For sliding contact, the coefficient of kinetic friction Uk is defined as the ratio of the friction al 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。

A reasonable simplified acceleration is developed, and by which variation of the motion response of the free-standing equipment with the kinetic friction coefficient and explosion seism parameters is obtained.

并根据其特点，提出了合理简化加速度波，采用该加速度波形，分析得到了浮放设备运动响应与动摩擦系数、爆炸地运动参数的关系。

When be like them to slide on board, did not touch from beginning to end, the kinetic friction factor of two objects of A, B and car all is U

若它们在车上滑动时始终没有相碰，A、B 两物体和车的动摩擦因数均为 u

ABSTRACT The bearing is a kind of important part in the machine for supporting spindles.

轴承是机器中用来支撑轴的一种重要零件，如何减少轴承与轴之间的动摩擦，提高机械效率，一直是滑动轴承设计者所研究和迫切需要解决的课题，设计者。。。

The bearing is a kind of important part in the machine for supporting spindles. It is an urgent question for discussion to solve how to reduce the friction between bearings and shafts and how to improve the efficiency. Devisers have done many works to improve the performance of bearings, which include structure, lubricant, subtract friction material, and manufacturing process aspect.

轴承是机器中用来支撑轴的一种重要零件，如何减少轴承与轴之间的动摩擦，提高机械效率，一直是滑动轴承设计者所研究和迫切需要解决的课题，设计者们在轴承结构、润滑剂、减摩材料及制造加工工艺等方面进行了大量的改进工作。

ABSTRACT The bearing is a kind of important part in the machine for supporting spindles. It is an urgent question for discussion to solve how to reduce the friction between bearings and shafts and how to improve the efficiency. Devisers have done many works to improve the performance of bearings, which include structure, lubricant, subtract friction material, and manufacturing process aspect.

轴承是机器中用来支撑轴的一种重要零件，如何减少轴承与轴之间的动摩擦，提高机械效率，一直是滑动轴承设计者所研究和迫切需要解决的课题，设计者们在轴承结构、润滑剂、减摩材料及制造加工工艺等方面进行了大量的改进工作。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。