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The rule of dry sliding friction wear of vermicular iron was analyzed. The influence of working conditions, composition and structure on dry sliding friction characteristics was investigated, 3D morphologies of friction surfaces of vermicular iron and temperature characteristics of friction surface were discussed. The results showed that, compared with nodular and gray irons, vermicular iron has lowest wear rate, highest friction coefficient and lowest friction coefficient attenuation, so it is suitable to be as the material of braking device.

分析了蠕墨铸铁的干滑动摩擦磨损规律，研究了工况条件、成分、组织对蠕墨铸铁干滑动摩擦学特性的影响，探讨了蠕墨铸铁摩擦表面二维形貌与摩擦表面温度特性，结果表明：蠕墨铸铁与球墨铸铁和灰铸铁相比具有最低的磨损率和最高的摩擦系数与最低的摩擦系数衰减量，适合于作为制动器材料。

Surfacing rock for strong wear-resistant mechanical parts, such as leaf blowers, concrete mixer blade, pink stone hammer machine, wood screw, such as carbon pieces easy to wear and tear of the surface repair.

适用于堆焊耐岩石强烈磨损的机械零件，如鼓风机叶片、混凝土搅拌机叶片、粉石机锤头、木碳机螺旋等易磨损件的表面修复。

Clean and check 1 slowly loosen the gland nut stuffing, packing the release of residual pressure of all components; 2 Remove all old packing, thoroughly clean axle / rod stuffing; 3 Check the shaft / bar have corrosion, dents, scratches or excessive wear; 4 Check whether there are other WATER POWER CONTROL VALVE parts burr, cracks, wear, they will reduce the packing life; 5 Check whether there is too much stuffing the gap, and the shaft / rod eccentric degree; 6 the replacement of defective parts larger; 7 Check the old packing, as BALANCING VALVES the basis of failure analysis to find the reasons for early failure of packing.

缓慢松开填料函的压盖螺母，释放盘根组件内所有的残余压力； 2）移去所有旧的盘根，彻底清洁轴/杆的填料函； 3）检查轴/杆是否有腐蚀、凹痕、划伤或过度磨损； 4）检查其他零件是否有毛刺、裂纹、磨损，它们会减少盘根的寿命； 5）检查填料函是否有过大的间隙，以及轴/杆的偏心程度； 6）更换有较大缺陷的零部件； 7）检查旧盘根，作为失效分析的依据，球阀以找到盘根早期失效的原因。

In order to deeply comprehend the wear regularity of chilled alloy cast iron tappet , the influence of surface layer microstructure on wear resistance was studied.

为了深入了解冷激合金铸铁气门挺杆的磨损规律，研究了冷激合金铸铁气门挺杆表层组织对耐磨性的影响。

As an important means to study wear, tooth wear measurement is always the focus.

但口腔环境的复杂性给牙磨耗的研究带来了一定的难度。

And the measurement of wear rate is always the one of excellent index to evaluate wear property of tooth and artificial tooth.

牙磨耗的测量方法作为研究磨耗的重要手段之一，一直是国内外学者研究的重点。

He routinely navigates, for example, between his famously undemonstrative but demanding boss, Bernard Arnault, main shareholder of Christian Dior, and a number of mercurial creative types, including Dior's women's wear designer John Galliano (famous for donning pirate and astronaut costumes at the end of his fashion shows) and jewellery designer Victoire de Castellane (who has a tendency to wear Mickey Mouse ears).

例如，他经常周旋在迪奥主要股东、以含蓄著称却要求苛刻的老板伯纳德·阿尔诺与许多机智的创新人才之间，其中包括以在时装秀结束时穿海盗服和宇航服出场而闻名的迪奥女装设计师约翰·加利亚诺，以及喜欢戴米老鼠耳朵的珠宝设计师维克多·卡斯特兰。

If the staff have to wear the glass,they had bette wear a new one and choose unreflecting glass.

最好别戴残旧的眼镜，应该选择不反光的镜片，有色镜片不宜于眼神交流。

Surface morphology, microstructure and wear morphology of the coatings were investigated using model KYKY-2800 scanning electron microscope modeled. Phases of the coatings were analyzed using model D/max-RA X-ray diffractometer. Microhardness of the coatings was tested using model MH-6 hardness-testing device. The wear-resisting property of coatings was compared with 65Mn steel treated by the quenching and backfiring technology using the home-made abrasion machine. The feasibility was analyzed for reactive electric-spark build-up welding TiN cermet coating to be used for gear shaft restoration.

采用KYKY-2800型扫描电镜观察了堆焊层表面形貌、显微组织和磨损形貌，采用D/max-RA型X 射线衍射仪分析了堆焊层物相，采用MH-6型显微硬度计测定了堆焊层显微硬度，采用自制磨损实验机对比了堆焊层与淬火回火65 Mn钢的磨损性能，分析了电火花堆焊TiN金属陶瓷层用于轴颈修复的可行性。

AIM: To study the correlation between tooth wear and age as well as gender by investigating the state of average tooth wear on incisal and occlusion surfaces in general population.

目的：通过调查普通人群牙齿切缘及咬牙合面的磨耗情况，研究牙齿磨耗与年龄和性别的关系。

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。