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单词 稀土矿
释义 〔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石,主要由铈、铒、钛、铀和钇构成〔holmium〕A relatively soft, malleable, stable rare-earth element occurring in gadolinite, monazite, and other rare-earth minerals. Atomic number 67; atomic weight 164.930; melting point 1,461°C; boiling point 2,600°C; specific gravity 8.803; valence 3. See table at element 钬:一种较软、易锻打且稳定的稀土元素,存于硅铍钇矿、独居石和其他稀土矿中。原子序数67;原子量164.903;熔点1,461°C;沸点2,600°C;比重8.803;化合价3 参见 element
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