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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:一种棕黑色稀土矿石,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.

采用皂化法制备了PVC热稳定-酸钇,并进行了动力学研究。

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osteocampsia, osteocampsis, osteocarcinoma, osteocele, osteocementum, osteochondritis, osteo-chondro-arthritis, osteochondrodysplasia, osteochondrodystrophy, osteochondrofibroma,

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3G, 401(K), a,

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实验:Periodic Videos

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

这被命名为 Ytterby 矿,它是发现四周期性元素:钇、铽、铒和镱的历史

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osteofibrolipoma, osteofibroma, osteofibromatosis, osteofibrosis, osteogen, osteogenesis, osteogenesis imperfecta, osteogenetic, osteogenic, osteogenic sarcoma,

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3G, 401(K), a,
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