rare earth

Rare earth can influence for shape size,distribution and quantity of niobium carbonide,decrease activity of carbon and niobium i...

稀土对碳化铌形态、大小、分布、数量有影响,可降低碳、铌活度,阻碍碳化铌在奥氏体区析出。

It will lay a good foundation for studying the mechanism of the interaction of anti-oxidases with rare earth ions.

这可为研究稀土离子与植物体保护酶作用机理打下坚实基础。

Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.

稀土金属，如金属钕和金属皮（金属镨，钕） ，用于稀土磁铁，主要钕铁硼磁铁。

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，稀土元素能有效地改善铬钒共渗层结构，提高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应用，本文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、稀土元素、锕系元素等分离与测定。