;
;"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."
"黑稀
矿:一种光亮的棕黑色稀土矿石,
铈、铒、钛、
和钇构成."
属元素，符号Y）"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."
"黑稀矿:一种光亮的棕黑色稀土矿石,铈、铒、钛、和钇构成."
The study on technical process and kinetics of PVC heat steadilizer yttrium stearate by saponifying method was carried out.
采用皂化法制备了PVC热稳定剂-硬脂酸钇,并进行了动力学研究。
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