ABSTRACT Rare earth is a collective name for 17 elements including ytterbium (Yb), scandium (Sc), and lanthanideseries.
提要稀土是化学元素周期表中的镧系元素和化学性质相似的钇、钪共17种元素的统称。
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The rare-earth salts are obtained by organizing lanthanideseries inorganic rare-earth salts and long-chain fatty acids.
有机稀土盐是由镧系无机稀土盐和长链脂肪酸进行有机化得到有机稀土盐。
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Cerium: chemical element, a rare earth metal of the lanthanideseries (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.