释义 |
rho·di·um AHD[rōʹdē-əm] D.J.[ˈrəʊdiːəm]K.K.[ˈrodiəm]n.Symbol Rh (名词)符号 Rh - A hard, durable, silvery-white metallic element that is used to form high-temperature alloys with platinum and is plated on other metals to produce a durable corrosion-resistant coating. Atomic number 45; atomic weight 102.905; melting point 1,966°C; boiling point 3,727°C; specific gravity 12.41; valence 2, 3, 4, 5, 6. See table at element 铑:一种坚硬,延展性的,银白色金属元素,用于与铂形成高温合金并涂于其它金属上以产生具坚固的抗腐蚀涂层。原子序数45;原子重量102.905;熔点1,966°C;沸点3,727°C;比重12.41;化合价2,3,4,5,6 参见 element
- Greek rhodo- [rhodo-] 希腊语 rhodo- [前缀,表示“红的”]
- -ium -ium
|