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

"黑稀金:一种光亮的棕黑色稀,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.

采用皂化法了PVC热稳定剂-硬脂酸,并进行了动力学研究。

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doughtily, doughty, doughy, Douglas, Douglas fir, Douglas squirrel, douglasite, douglasitis, douglasscope, dougong,

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3G, 401(K), a,

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趣味验:Periodic Videos

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

这被命名为 Ytterby 矿,它是发现四周期性元素:铽、铒和镱的历碑。

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dovelike, doven, Dover, doves, dovetail, dovetail joint, dovetailed, dovetailer, dovetailing, dovetailling,

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3G, 401(K), a,
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