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单词 neodymium
释义 neodymium
 /nee'oh dim"ee euhm/, n. Chem.
 a rare-earth, metallic, trivalent element occurring with cerium and other rare-earth metals, and having rose-colored to violet-colored salts. Symbol: Nd; at. wt.: 144.24; at. no.: 60; sp. gr.: 6.9 at 20°C.
 [1880-85; < NL; see NEO-, DIDYMIUM]
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