"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."

"黑稀金矿:一种光亮的棕黑色稀土矿石,主要由铈、铒、钛、铀和钇构成."

The study on technical process and kinetics of PVC heat steadilizer yttrium stearate by saponifying method was carried out.

采用皂化法制备PVC定剂-硬脂酸钇,并进行动力学研究。