物;
"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."
"黑
金
:一种光亮的棕黑色
石,主要由铈、铒、钛、铀和钇构成."
有金属元素，符号Y）
钇"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."
"黑金:一种光亮的棕黑色石,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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