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

"黑矿:一种光亮的棕黑色土矿石,主要由铈、铒、钛、铀钇构成."

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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热稳定剂-硬脂酸钇,并动力学研究。

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in course of, in danger, in debt, in defence of, in demand, in depth, in detail, in difficulties, in dispute, in doing so,

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3G, 401(K), a,

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趣味化学实验:Periodic Videos

This is designated Ytterby Mine, a historical landmark for the discovery of four periodic elements: yttrium, terbium, erbium, and ytterbium.

这被命名 Ytterby 是发现四周期性元、铒和镱的历史里程碑。

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in extent, in extremis, in fact, in favor of, in favour, in favour of, in force, in front, in front of, in full bloom,

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3G, 401(K), a,
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