查询词典 kinetic friction

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。

To find the kinetic friction can be obtained through this equation: k=Fk/mg.

找到动力学摩擦可通过这个等式：当K =的FK /毫克。

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。

The result shows the tribology properties are good, the kinetic friction coefficient are under 0.1. In the same conditions of wearing test, the weight loss of surface treated with EDC is about one tenth of the weight loss without treatment, and is about one sixth of the weight loss treated with electroless composite coating.

结果表明：在本试验的条件下，涂层的滑动摩擦系数较小，均在0.1以下，说明涂层的摩擦学性能较好；在相同的磨损实验条件下，用液中放电沉积方法处理过的表面磨损失重量是未处理表面的1/10左右，是化学复合镀方法处理表面的1/6左右，说明涂层的耐磨性相对较好。

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。

The influence of inlet turbulence intensity on the velocity, temperature, turbulence kinetic, friction coefficient and Nusselt number is limited on a limited region which is smaller than 30d.

5旋转螺旋管道内的入口湍流强度对流动和温度场结构、湍动能、摩擦系数以及Nusselt数的影响都局限在距离入口端不超过30倍管道直径的有限长度内。

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

The influence of kinetic friction force on the penetration depth into granites is analyzed. The equations of resistance and depth for normal penetration into granites by rigid projectiles are presented.

通过分析动摩擦力对侵彻深度的影响，得到刚性弹丸垂直侵彻花岗岩时的阻力和深度计算公式。

In the inlet turbulence intensity influenced region, the larger the inlet turbulence intensity is, the larger the turbulence kinetic, friction coefficient and Nusselt number is.

在入口湍流强度的影响范围内，入口湍流强度越大，湍动能、摩擦系数以及Nusselt数越大。

It is proved that the two-dimensional non-hydrostatic Boussinesq equations on the x ? z plane with the kinetic viscous term and the thermal dissipative term are unstable equations in the C 2 function class.2. If we replace the influence of the kinetic viscous term by Rayleigh friction and the thermal dissipative term by Newton cooling, the new generalized equations are stable equations in the C 1 function class. The construction of the solution space and the discriminating method for well-posedness of the problem of determining solution are given.

本文的主要结果如下：1证明了在y方向上均匀的带有运动粘性项以及热耗散项的两维非静力、Boussinesq近似的x-z面上两维旋转流体的控制方程组在C 2函数类中是一个不稳定的方程组。2如果以瑞利摩擦来代替粘性的影响，以牛顿冷却来代替热量的耗散，则所获得的一个新的方程组在C 1函数类中是一个稳定的方程组，给出了其解空间的构造和各种定解问题的适定性的判别方法。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。