单词 | 镀在 |
释义 | 〔indium〕A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,000°C; specific gravity 7.31; valence 1, 2, 3. See table at element 铟:一种较软、可塑性强的银白色金属物质,主要存在于锌矿床和锡矿床中,制造镜子时镀在水银上,也可镀于飞行器表面,其合金可以做晶体管。原子序数为49;原子量114.82;熔点是156.61°C;沸点为2,000°C;比重7.31;原子价为1,2,3 参见 element |
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