查询词典 dynamic friction

Friction.1. Friction causes a rolling ball to stop finally.

摩擦力使得一只滚动的球最终停了下来。

In fact, M0 accounts for the additional external sources of friction, together with the "hydrodynamic" component of rolling friction, which also has a load dependent part.

实际上，M0代表额外的外部摩擦来源，再加上滚动摩擦中的"流体动力"成份，而这一成份中也有一部分与负荷相关。

It has high friction properties, resemble anti-wear properties and brake moment curve compared with Dunlop company and Messier-Bugatti company carbon brake discs materials. It has excellent mechanics performance and axis heat conduct coefficients compared with abroad carbon brake discs materials. The friction properties of RTO Wetness normal brake increased by 23％-29% than Dunlop carbon brake discs materials.

与英国Dunlop公司、法国Messier-Bugatti公司生产的炭刹车盘材料相比，其高摩擦特性及抗磨损性能相当，刹车力矩曲线形态相似，且力学性能、轴向导热系数明显高于国外炭刹车盘材料，RTO刹车湿态刹车时的摩擦特性高出Dunlop炭刹车盘材料23％-29%。

The friction coefficient of the samples with low density of composite A increase with the prolonging of test time, while the samples with high density remain stable; the friction coefficient of the samples with low density of composite B exhibit ruleless results with the increase of load, while the samples with high density remain stable, too.

随时间延长， A 材料低密度试样摩擦系数升高，高密度试样的保持稳定； B 材料低密度试样的变化不规律，高密度试样能基本保持稳定。

The cohesion and the internal friction angle are functions of water content index; cohesion-degree of saturation curve and internal friction angle-degree of saturation curve are gotten by simulating shear experiment through different paths, through which shear strength parameters can be obtained; CDSC and IFADSC are approximating straight lines in the same path when the change of saturation degree is small.

非饱和土抗剪强度的黏聚力和内摩擦角是含水指标的函数；通过模拟不同路径下非饱和土抗剪试验，得到黏聚力-饱和度曲线和内摩擦角-饱和度曲线，进而得到非饱和土抗剪强度指标；在同一路径小区间范围内CDSC和IFADSC曲线近似为直线。

In China, the typical equipements to test the friction coefficient of highway pavement are SCRIM and Portable Friction Tester.

前言目前国内测定路面摩擦系数的仪器主要有横向力系数测试车和摆式摩擦系数测试仪。

Then, the friction torque to affect the ultra-low-speed tracking performance is analyzed, and a mathematical model of the servomotor with large friction torque is established.

对影响其超低速跟踪性能的摩擦力矩进行了分析，建立了大摩擦力矩条件下的中空马达数学模型。

Lastly ,The study result of tests of negative skin friction are introduced, the influence of the construction technology on negative friction is proposed.

本文最后介绍了桩基负摩阻力的试验研究成果，分析了不同的成桩工艺对桩基负摩阻力的影响。

Fifthly,the formulae of friction coefficient and wear rate for sliding contact were proposed, with which the sliding friction and wear resitance can be calculated.

对滑动摩擦，提出了整合涂层的摩擦系数与磨损率的计算公式。

The test running results under the condition of dry sliding friction show that the experimental friction system is feasible.

干摩擦条件下的系统试运行结果初步验证了试验系统的可行性。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"