The significance of rare earth metals recovery from red mud and RE elements store general situation in red mud was narrated.
叙述了从赤泥中稀土金属回收的意义以及我国赤泥中稀土元素的赋存状况。
The addition of rare earth (re) as trace elements to aluminum or magnesium alloys can purify the melts, refine and modify the microstructure, reduce the inclusion.
稀土元素作为微量元素加入铝、镁合金中，可以净化合金熔体，细化、变质微观组织，减少夹杂。
This paper studies the effects of rare earth elements (re) in the gas carbonitriding and puts forward a systematic proposition of the rare earth elements catalyzing mechanism.
本文研究了稀土元素在气体碳氮共渗中的作用，并系统地提出了稀土催化机理。
Rare earth elements and thorium in RE-Nb-Ta ores were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
用等离子体发射光谱法测定了稀土铌钽矿中的稀土元素和钍量。
Rare-earth(RE)elements or Mo, Zn and Mn applied to the brown soil in west Liaoning had significant effect on the establishment and yield of lucerne and astragalus pastures.
在辽西褐色土上，对紫苜蓿和沙打旺施用稀土或钼、锌、锰肥，当年都可获得促进生育，增加产量的效果。
The effect of rare-earth elements, RE content, temperature and time on the penetrated depth, surface hardness and its distribution was investigated.
研究了稀土及稀土加入量、共渗温度、共渗时间对共渗层厚度、表面硬度及其分布的影响。
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.
稀土合金具有变质、晶粒细化和净化铝合金的综合功能，而且对周围环境不产生任何污染。
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.
稀土合金具有变质、晶粒细化和净化铝合金的综合功能，而且对周围环境不产生任何污染。
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