了解和掌握含稀土材料的摩擦学特性及稀土元素在其中的作用机制具有重要的意义。
It is important to understand the tribological characteristics of rare earth materials and the role of rare earth element.
而由于稀土元素在先期脱氧中大量氧化，其脱氮效果较弱，稀土元素对熔敷金属的总含氮量的影响不显著。
The effect of Re element addition on the nitrogen content in the weld was insignificant due to the oxidization from the early deoxidization stage.
稀土纳米复合氧化物因其具有纳米材料和稀土元素的双重特性，引起了科学家的广泛关注。
Nanosized rare earth complex oxides have dual characters of nanosized materials and rare earths, which attract scientists'extensive attention.
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