英语词汇“niobium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	niobium
释义	niobium /nuy oh"bee euhm/, n. Chem. a steel-gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels. Symbol: Nb; at. no.: 41; at. wt.: 92.906; sp. gr.: 8.4 at 20°C. [1835-45; < NL; see NIOBE, -IUM]
随便看	Holguín Hol Hamoed Holi holiatry holibut -holic holiday Holiday holidayer holidaymaker lime tree lime twig limewater limewood limey Lim Fjord limicoline limicolous liminal liminality limit limitary limitation limitative limited

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