查询词典 rolling friction

The current friction pertains to trade, but future friction could be related to the financial system.

目前涉及到的贸易摩擦，但今后的摩擦可能与金融体系。

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10％～69.5％的Zn-Al系二元相图，利用示差扫描量热分析法，研究高铝锌基合金时效等温转变过程，并从热分析动力学的角度分析高铝锌基合金合金时效行为；使用高温金相显微镜观察合金加热时的组织变化；比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型，预测合金摩擦系数随时效温度及时间变化规律。

The critical scuffing temperature of friction pairs is not constant and changes with the friction pair operational conditions.

本文研究的成果可用于摩擦副临界胶合的计算，指导摩擦副胶合设计，指导添加剂和润滑油的设计，并为工程选用添加剂提供理论及试验依据。

The newest paper_based composite friction material has a far higher energy absorption capacity than current metal_based material,a high friction coefficient,a low wear ratio,and high thermal stability.

随着新的和高级的离合器和刹车系统的发展，对摩擦材料提出了更高的负荷和更快的速度，即更高的能量要求，并要求有更稳定、更高的摩擦系数、更长的使用寿命和柔和的操作性能。

The MPV-200 model friction and wear testing machine was used to study the friction and wear properties of thermosetting phenolic aldehyde resin plastic alloy under different lubricating conditions.

用MPV-200型摩擦磨损试验机对酚醛树脂塑料合金材料在不同润滑条件下(干摩擦、水润滑，含沙0.05％)进行了摩擦学性能测定，分别考察了载荷、速度以及运行时间等对材料摩擦学性能的影响。

The numerical results indicate that there is no effect on friction force of a lower anchor; in addition, the friction force of an upper anchor increases as the vertical space of double anchors decreases.

研究亦发现，下方地锚之摩擦力并不太受垂直间距之影响，而上方地锚之摩擦力却有随垂直间距减少而增加之趋势。

When the pressure is too big, there is a large cylinder friction, the force goes far beyond blanket back friction lining of?

当不张辛功不小时，滚筒之间有较不小的摩擦辛，该辛远远不及橡皮布背背摩擦辛的功用？

To enhance weaving efficiency and product quality,the friction of warp in weaving was analyzed,and the analyses shows that the influence on weaving of the warp friction between back shed and before stop rod was more.

为了进一步提高织机的织造效率及产品质量水平，通过分析织造过程中经纱承受的摩擦，认为梭口后部停经架前经纱与经纱间的摩擦对织造的影响最大。

The influence factors of ball screw pair friction moment are analyzed, and a method to measure the friction moment is given.

分析滚珠丝杠副摩擦力矩的影响因素，并给出一种测量摩擦力矩的方法。

Oil is a lubricant . It is used to reduce the friction between two surfaces. Think about the chain on your bicycle. If there were no oil on it, then the cog and the chain would be subject to much more friction. The bike would be very hard to pedal.

油是一种润滑剂，可以减少两物体表面的摩擦力；想想你脚踏车上的链条，如果上面没有润滑油，齿轮和链条间会产生很大的摩擦力，脚踏车就不好踩了。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48