释义 |
plat·i·num AHD[plătʹn-əm] D.J.[ˈplætnəm]K.K.[ˈplætnəm]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 195.09; melting point 1,772°C; boiling point 3,827°C; specific gravity 21.45; 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195.09;熔点1,772°C;沸点3,827°C;比重21.45;化合价2,3,4 参见 element
- Color A medium to light gray.【色彩】 铂灰色:亮灰色的媒质
- New Latin 新拉丁语
- from Spanish platina [platinum] * see platina 源自 西班牙语 platina [铂] * 参见 platina
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