singularity lanthanon稀有稀土元素
lanthanon ring液封环
lanthanon acetate稀土醋酸盐
lanthanon samarium稀土元素衫
Content of soluble lanthanon土壤可溶态稀土
lanthanon permanent magnet稀土永磁
r with lanthanonr稀土
The Lanthanon and its compounds, because of its 4f electronic characters, have special performance.
稀土元素由于具有4f电子特性，使其元素及其化合物具有许多特殊的性能。
参考来源 - 氧化铈和磷酸铈介孔材料的可控合成研究N（名词） any element of the lanthanide series 镧系元素 (Also called rare earth, rare-earth element)