severe wear

The particles near to the dynamic clearance dimension generate severe wear .

尺寸与动态间隙很接近的磨粒能使泵发生严重磨损。

Developed oxide film is the main cause of transition of severe wear to mild wear .

氧化膜的形成是严重磨损向轻微磨损转化的主要原因；

The transmission efficiency is low , the severe wear .

传动效率较低，磨损较严重。

Both mild wear and severe wear were observed .

观察到了轻微磨损向剧烈磨损的转化。

Magnesium alloys undergo a transition from mild wear to severe wear .

含与不含稀土镁合金的磨损速率都随载荷的增加而增加，磨损机制均发生了由轻微磨损向严重磨损的转变；

Alkalies also cause severe wear of common refractories .

碱还严重地浸蚀通用的耐火材料。

Secondly mild wear mode changes from transition wear mode to severe wear mode as the load increases ;

其次，当负荷增加时，磨损型式由轻微磨损型式经过过渡磨损型式转变为严重磨损型式；

Molding equipment in China shows crucial problems which mainly lie in the severe wear , short lifespan , high power consumption .

我国的成型设备存在较大的问题，主要表现在磨损严重、寿命短、功耗大。

Carbide drill wear during high-speed PCB drilling has three stages , the initial wear , normal wear and severe wear .

高速钻削PCB时硬质合金钻头磨损经历初期磨损、正常磨损和剧烈磨损三个阶段。

A severe wear was proceeded at the start of the furnace campaign but showed a stable erosion state after 7 years operation .

开炉初期侵蚀速度较快，但此后7年内显示了较稳定的侵蚀状态。

In this paper an example of cylinder bore severe wear is analysed , the structural principle and correct installation of the offset piston are described .

分析了气缸恶性磨损的情况，介绍了“偏位销座”活塞的结构原理、组装方法及改进性建议。

The result showed that the wear mechanism changed from the mild wear to the severe wear at the surface temperature of 75 ° C ± 5 ° C.

试验确定，轻微磨损到严重磨损的转变发生在摩擦面温度为75℃±5℃左右。

Whereas the dominant mechanisms are shifted to severe wear , and the non-peeling delamination layer is damaged during severe wear regime .

发生严重磨损时，磨损机制转变为严重的粘着磨损，此时表层未脱落的剥离层遭到破坏。

Because the hydraulic cylinder often works in the high frequency and big load working environment , traditional rubber sealing ring combination would cause severe wear and failure in this conditions .

由于结晶器振动液压缸要求高频率、大负载，因此传统的橡胶密封圈组合在此工况下容易造成剧烈磨损而失效。

304 stainless steel was successfully joined under Argon protection , but the pin tool would present deformation and severe wear when worked at high temperature for a long time .

在氩气保护下能实现304不锈钢的焊接，但搅拌头长时间处于高温时会出现变形及严重磨损。

This paper sets forth the fact that the eccentric action of coil spring is an important factor in the causation of abnormal vibration of vehicle and severe wear on bolster guide .

本文指出螺旋弹簧有偏离中心的弹性作用，是引起车辆不正常振动和摇枕纵向挡严重磨损的一个重要因素。

Then severe wear prediction was tested based on the lateral crack model ( LCM ), the difference between prediction data and experimental data of NS and NP ceramics were little under most wear conditions .

基于横向断裂模型（LCM）预测严重磨损阶段的磨损体积，发现NS和NP陶瓷的预测磨损体积在多数磨损条件下与试验值相差不大。

According to the severe wear on tagging axle tyres of triple-axle coaches , primary several steering constructions are discussed , consequently , the referenced solution is obtained to reduce the tyres wear .

针对目前三轴客车（6×2）的随动桥轮胎磨损较严重现象，讨论几种随动桥转向结构，为解决轮胎磨损提供参考。

Owing to the interfacial cracking which occurs under higher applied load conditions , the composite with high content of TiB_2 phase exhibited a transition from mild wear to severe wear over the applied load range from 10 N to 80 N.

由于在较高载荷下发生表面开裂，高含量的TiB2相增强原位复合材料发生了由轻度磨损向严重磨损形式的转化。

The results show that the wear process of carbon fabric composites consists of the severe wear phase and the steady wear phase , and the wear of the carbon fabric composites in the severe wear phase is about 87 % of the total wear .

结果表明，碳纤维织物的磨损分为严重磨损和稳定磨损两个阶段，其中严重磨损阶段的磨损量占了总磨损量的87%。

In the case of abrasive wear was the main mechanisms for the two matels , low surface hardness of the bushes and bearing pins of roller chains tend to produce large ploughing grooves , obvious characteristics of cyclic hardening and severe wear .

在磨粒磨损机制下，套筒和销轴零件的表面硬度较低，容易产生犁切，表面层的循环硬化现象比较明显，磨损严重；

Severe wear of the impeller of the main ventilator threatens the production safety in the mine pit . To study the wear of impeller of the main ventilator and to accurately evaluate the deficiency of the impeller are of great significance to production safety in coal mine .

矿井主通风机叶轮严重磨损威胁着矿井安全生产，研究主通风机叶轮磨损和正确地评价叶轮的磨损失效，对煤矿安全生产具有重大的现实意义。

Conclusion : Severe tooth wear lead to abnormal mandibular maximum excursions .

结论：牙齿重度磨耗导致异常的下颌边缘运动。

Objective : To study the influence of severe tooth wear on mandibular maximum excursions .

目的：研究牙齿重度磨耗对下颌边缘运动的影响。

The wear mechanism are mainly abrasive wear , severe felt wear , chemical wear and diffusion wear .

刀具的磨损机理主要是机械磨粒磨料磨损、严重的黏结磨损、化学磨损以及扩散磨损。

The Technology presented in this paper can be used to renovate large hydraulic cylinders which here failed due to severe wall wear .

采用本文介绍的工艺，可对各种因缸壁严重磨损而失效的大型油缸进行修复。

Our investigation has shown that bearing failure is mainly caused by fatigue wear , but in the simulative wear test the severe sliding wear is dominative .

研究表明：滑动轴承失效主要起因于疲劳磨损，而模拟磨损试验则为严重滑动磨损。

These results verify that the severe mold wear is one of the most important reasons that induce the internal crack and even the breakout at the off-corner of billet .

从而验证了严重的结晶器磨损是连铸坯产生偏角区内裂纹乃至漏钢事故的重要原因之一。

The mechanisms of mild wear contain adhension and elastic deformation at low applied , with increasing applied load , the strain accumulated adhension and severe adhensive wear occurs .

随载荷增加，磨损的主导机理由粘着和弹性形变控制的轻度粘着磨损转变为塑性变形累积控制的严重粘着磨损。轻微磨损的机制是氧化磨损与分层机制；

Objective : To study the masticatory muscles activity in the cases with severe tooth wear ( TW ) and the damaged display of masticatory muscles in different types of occlusal wear .

目的：研究重度牙齿磨耗（TW）患者咀嚼肌的肌电活动，探讨不同类型牙合磨耗患者咀嚼肌受损的肌电表现。