查询词典 friction

Studying from dynamic hydraulics, in consideration of the friction impact, differential equation of motion and equation of continuity have been established, from which transient velocity equation and pressure fluctuation equation describing viscous fluid micro-vibration inside of a string have been deduced out.

从动态水力学的角度出发，建立了考虑摩擦力影响的流体运动微分方程和连续性方程，得到了具有粘滞性流体在管柱内微振动时的瞬态速度和压力波动方程。

In order to investigate the frictional temperature of brake rotor,the thermal transmission model of brake disc during braking was theoretically derived,and the equation of heat conduction on the basis of change of friction heat flow intensity and experimental research to real brake plate was obtained.

为了研究摩擦过程中制动盘摩擦表面温升的情况，在1∶1惯性制动实验研究的基础上，基于制动过程中摩擦热流强度的变化，建立了制动时制动盘传热模型，推导出了制动盘摩擦表面温度的计算公式，并用此公式算出的结果与实测温度进行了对比。

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 equation of equivalent coefficient of friction available has drawback.

分析了现有当量摩擦系数计算公式的不足。

Twentieth century, with the rapid development of the world automobile industry, automotive market prospects after a huge, everlast company decided to divest its existing main business focus on energy-saving auto after-market product development and maintenance services to the most advanced research results: Fuel reinforcing agents, saving energy and reducing friction agent, boric acid ester, organic molybdenum, tungsten, boron products, first applied to the oil gas, diesel additives and car care and maintenance in the field, specifically for the automotive service chain to provide OEM service and technical support Europe and the United States as a world-renowned conservation renowned chain Midas, Firth pass, lead-free round and so on and Everlast company has a good working relationship, enjoys a high reputation.

2002年进入中国，安能公司先后为多家汽车生产厂及汽车护理连锁服务机构提供OEM服务和技术支持，如车爵士、美达等中国品牌，在此期间，安能公司努力适应中国市场情况和实际需求，创新了一套适合中国国情的运营模式。2010年，安能公司斥资千万在中国北京中关村科技园区及上海建立了汽车护理品两个专业研发基地，同时注资北京市级油品应用技术研究所，共同打造具有世界先进水平的汽车护理品研发基地。并顺利开工建设在北京顺义的生产基地，安能以其强大的技术优势和科研优势奠定了发展中国市场的坚实基础。

Further examination found series water roll by driving in the direction of the bearing parts of lubricating oil pipe jam, turning parts of serious failure of the bearing and axle journal and bearing friction between Chin, lead ball cage falling apart damaged, ball of excircle have varying degrees of wear deformation, some ball has fragmentation or loss.

进一步查抄，发掘串火辊靠传动标的目的的轴承部位的润滑油管堵塞，轴承动弹部位惨重失油，轴颈与轴承之间爆发了不一摩擦，导致轴承滚珠保留架散架败坏，滚珠的外方有不同水平的磨损变形，有些滚珠已破裂或不保留。

Including hair sex hair loss, local friction loss etc excitant hair loss, burns and mechanical injury trichomadesis, etc.

包括发型性脱发、局部摩擦刺激性脱发等机械性脱发、灼伤脱发和放射性损伤脱发等。

The characteristic and difference of flow in porous media between the pseudo-plastic fluids and the expansile fluids was described in detail. The experimental pressure drop measurements were made in a packed bed under a variety of conditions, and the variation of the friction factor with the Reynolds number was obtained. Corresponding to the flow resistance in a nonporous channel, the flow resistance in porous media can be divided into Darcy resistance and Forchheimer resistance as well. The experiment data was divided into Darcy regime, transitional regime and Forchheimer regime in accordance with the Reynolds number.

实验测定了不同浓度聚丙烯酰胺溶液在五组填充多孔介质中流动的压降-流量关系，绘出了阻力因子随Reynolds数变化的关系曲线；按照将流动阻力分为层流粘性阻力和惯性阻力的观点，将多孔介质流动阻力分为Darcy阻力和Forchheimer流动阻力；参考有关文献，将实验区域按Reynolds数范围分为Darcy流动、过渡流动和Forchheimer流动。

Not depending on the friction force, it solves many problems of contact type ultrasonic motor, such as shorter life expectance and continuous running time.

目前国内外已试制出多种以气体作为能量传输媒质的非接触型超声波电机，并对其运行机理及外特性进行了一定的研究[6-8]。

It did not furnish an explantation for the heat generated by friction.

它未能圆满地解释因摩擦而产生的热。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。