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"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,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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escabrodura, escadrille, escalade, escalate, escalation, escalator, escalator clause, escalatory, escalin, escallonia,

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3G, 401(K), a,

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趣味化学:Periodic Videos

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

被命名为 Ytterby 矿,它是发现四周期性元素:钇、铽、铒和镱里程碑。

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escape valve, escape velocity, escape wheel, escape(ment), escape-capture, escaped, escapee, escapement, escapeproof, escape-proof,

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3G, 401(K), a,
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