查询词典 static friction coefficient

Therefore, the weight of the sliding wood does not, then the static friction is friction.

因此，重滑木，并不那么静摩擦力是摩擦。

Static friction: When objects and other objects along the contact surface tangent direction of movement or relative movement of the trend in the two objects contact surface between the hamper their relative movement of force, this force is friction.

静摩擦力：当物体和其他物体沿接触面切线方向运动或相对运动的趋势，在两个物体接触面之间的阻碍它们相对运动的力量，这股力量是摩擦。

By using static equilibrium law, nonlinear buckle behavior of string in deep well has been researched. In comprehensive consideration of gravity, contact force of borehole wall, axial friction and tangential friction of borehole wall on the string, pressure and viscous resistance of fluid outside of and inside of a string, differential equation of buckle has been established, which amended computational model of axial load on a string.

应用静力平衡法对深井注入管柱的非线性屈曲行为进行了研究，建立了综合考虑重力、井壁支反力、井壁对管柱的轴向摩擦力和切向摩擦力及管柱内、外流体压力和粘滞阻力联合作用下的屈曲微分方程，对注入管柱的屈曲变形及弯曲附加应力等后屈曲行为进行分析，修正了管柱轴向载荷计算模型。

Oil-soluble Ag2S nanoparticles surface-modified by dialkyldithiophosphate were prepared by chemical synthesis.The synthesized Ag2S nanoparticles were characterized by transmission electron microscopy,X-ray powder diffraction spectroscope and UV-vis spectrophotometer.The friction and wear tests were carried out by a DF-PM dynamic and static friction tester.

在水醇混合介质中，采用同阳离子共沉淀法合成了有机化合物表面修饰的Ag2S纳米微粒，在高速钢基底上制备成膜，研究了它的摩擦学特性。

Paper, paper and of friction, Business card printing and membership card making, paper and rubber roller, the friction between the imprint drum Taiwan is static electricity.

造纸时，纸与不抬光机的摩擦，制卡和会员卡制作时，纸与橡皮滚筒、不抬印滚筒之间的摩擦……都是爆发静电的来因。

Electrostatic printing production is a common phenomenon, mainly due to climatic and environmental changes and printing materials, printing equipment on all types of roller, cylinder friction, pressure, separation, friction caused electricity; especially cold and dry winter , static electricity is frequent.

静电是印刷生产中的常见现象，主要原因是由于气候和环境变化及印刷材料、印刷设备上各类辊、筒的摩擦、压力、分离、摩擦生电等造成的；尤其是冬季气候寒冷干燥，静电更是频发。

By experiments,three sources of the antilock friction moment and the static antilock friction performance on the Fe-based SMA locknut were tested separately,as a result the feasibility of the new-type nut was proved.

通过试验对铁基SMA螺母防松摩擦力矩的三个来源和静态防松性能分别进行了测定，从试验的角度证明了这种螺母的防松性能。

In static design of the control system, the influences of three-axle unintersect, unverticality and disturbance moment to the simulator's position accuracy is analyzed, and the error analytic formula is suggested. The influence of system static and dynamical friction moment, distinguishability of D/A convertor to the low-speed characteristic of the simulator is also analyzed.

在控制系统的静态设计过程中，分析了三轴转台的三轴不相交度、三轴不垂直度和干扰力矩等对转台位置精度的影响，并求出了误差的解析表达式，分析了系统的静、动摩擦力矩、D／A转换器的分辨率等对转台低速特性的影响。

In the system of high precision and low speed, Because of the existence of the nonlinear friction, the static and dynamic performance of the servo system is very bad, such as stick slip, hunting, large error and so on, Because the traditional control of PID is hard to solve the nonlinear problem of the servo system, so this paper begins to introduce a new control method which is named adaptive fuzzy PID, It utilizes the rule of the fuzzy control to adjust the parameter of proportion, integral and differential on line, So this control method has some intelligence to improve the static and dynamic performance of the servo system.

在高精度、超低速伺服系统中，由于非线性摩擦环节的存在，使系统的动态及静态性能受到很大程度的影响，主要表现为低速时出现爬行现象，稳态时有较大的静差或出现极限环振荡；由于传统的PID 控制很难解决伺服系统中的非线性问题，因而不能适用于高精度、超低速伺服系统；本文通过引入模糊自适应整定PID控制，利用模糊规则在线调整比例、积分、微分环节，使系统具有一定的智能，从而非常明显的改善伺服系统的静态及动态性能。

If two mutual contacts, and relatively static objects, such as forcing under only a relative sliding trend, and not a relative sliding, they face contact between the obstacles in the relative sliding of that "static friction ."

如果两个相互联系，并相对静止的物体，如强迫下只是一个相对下降的趋势，而不是一个相对滑动，他们面对面的接触之间的障碍，在相对滑动的"静摩擦力"。

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。