| 1. | Rubber , vulcanized - determination of abrasion resistance under slipping 硫化橡胶滑动磨耗的测定 |
| 2. | Rubber , vulcanized - determination of abrasion resistance under slipping 硫化橡胶滑动磨耗的测定 |
| 3. | Image inspection of brake shoe wear 闸瓦磨耗的图像检测方法 |
| 4. | Analysis of abnormal wear of steel rail in curved section of railway 铁路曲线地段钢轨不正常磨耗的分析 |
| 5. | Severe tooth attrition may be caused by several factors and was considered to present great treatment problems in clinical dentistry 摘要临床上造成牙齿严重磨耗的原因有很多,这也是牙医在治疗上的一大困扰。 |
| 6. | Since several years , with the speed rising and 5000t heavy haul train running , the problem of rail side wear on curves stand out increasingly 近年来,随着列车提速和5000t重载列车的开行,钢轨侧面磨耗的问题更显突出。 |
| 7. | In addition , the effect of mass - balance upon heat - transfer is studied , and attrition is also considered in the material balance model 而且为了更好的反映炉膛内传质对传热的影响,在计算中采用了带有磨耗的灰平衡计算方法。 |
| 8. | Dental implants . evaluation of the local and general tolerance of extracts of biomaterials put in contact with the intact or abrazed oral mucosa of hamster 牙齿植入物.生物材料萃取物用于仓鼠无损伤或磨耗的口粘膜的局部耐受性和一般耐受性的评价 |
| 9. | Based on the data of curve track abrasion measured in beijing metro , the types of track abrasion of metro are analyzed , and the main reasons of track abrasion , and the basic methods to reduce the track abrasion and their application in beijing metro are presented 摘要准确简要地描述北京地铁弯道线路上钢轨侧磨的病害情况,根据现场测量数据统计侧磨的类型、分析磨耗的主要原因、提出减缓磨耗的措施,并介绍现场的实际应用效果。 |
| 10. | Using vogel ' s wear index as the rail side wear index , the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary , analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically . this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990 , then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear . in the end , some measures for regarding the side wear on curves are put forward 从轮轨摩擦、轮轨接触几何关系、轮轨接触应力和轮轨蠕滑等方面对钢轨侧面磨耗机理进行了探讨,从轨道几何参数、机车车辆运营条件等方面对钢轨侧面磨耗的影响因素进行了重点分析和总结;应用轮轨系统动力学,建立了轮轨空间耦合振动时变模型,采用vogel侧磨指数作为钢轨侧磨指标,系统分析了轮轨参数变化的情况下,轨头侧面磨耗的变化规律,重点分析了轨道不平顺对钢轨不均匀侧磨的影响;对山海关工务段1990年以后现场测得的曲线钢轨侧磨数据进行了分析,通过拟合得到了钢轨侧磨量与运量的关系曲线,并总结了曲线上股钢轨侧面磨耗的特征和发生、发展规律;最后提出了一些减缓曲线钢轨侧面磨耗的措施。 |