单词 | platinum |
释义 | platinum音标['pl?tin?m]汉语翻译n. 白金, 铂, 银灰色【化】 铂Pt 【医】 铂(78号元素) 英语解释:名词 platinum:
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详细解释:plat.i.num n.(名词)Symbol Pt A silver-white metallic element occurring worldwide, usually mixed with other metals such as iridium, osmium, or nickel. It is ductile and malleable, does not oxidize in air, and is used as a catalyst and in electrical components, jewelry, dentistry, and electroplating. Atomic number 78; atomic weight 95.09; melting point ,772=C; boiling point 3,827=C; specific gravity 2.45; valence 2, 3, 4.See table at element 符号 Pt 铂:一种世界范围内存在的银白色金属元素,常与其它金属,如铱、锇或镍混合,易拉长且具延展性的,在空气中不氧化,可用作催化剂,用于电学元件、珠宝,牙科学和电镀中。原子序数78;原子量95.09;熔点,772=C;沸点3,827=C;比重2.45;化合价2,3,4参见 elementColor A medium to light gray.【色彩】 铂灰色:亮灰色的媒质 来源:New Latin 现代拉丁语 from Spanish platina [platinum] * see platina 源自 西班牙语 platina [铂] *参见 platina |
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