稀土元素

The response of T1 phase size to heattreatment processing and rare-earth element content are discussed.

根据T1相尺寸测定结果，分析了T1相尺寸热处理工艺、土元素之间的关系。

A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.

以氟碳铈矿-独居石土矿为研究对象,采用分步选择性碳热氯化-化学气相传输反应(SC-CVT),实现钍其它土元素的分离。

The results show that rare earth elements can efficiently improve the structures of the Chromvanadizing layer, the rate of growth and properties of diffusion layer.

结果表明，土元素能有效地改善铬钒共渗层结，共渗层生长速度和性能。

This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、土元素、锕系元素等的分离测定。