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

"黑稀:种光亮的棕黑色稀土石,主要由铈、铒、钛、铀构成."

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

采用皂化法制备了PVC热稳定剂-硬脂酸,行了动力学研究。

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nests, Nesty, net, net income, net profit, net sales, net.abuse, net.citizen, net.person, netac,

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3G, 401(K), a,

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趣味化:Periodic Videos

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

这被命名为 Ytterby 矿,它是发现四周期性元素:铽、铒和镱的程碑。

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Nethead, nether, nether world, Netherland, Netherlander, Netherlandish, Netherlands, Netherlands Antilles, nethermore, nethermost,

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3G, 401(K), a,
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