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rhe·ni·um AHD[rēʹnē-əm] D.J.[ˈriːniːəm]K.K.[ˈriniəm]n.Symbol Re (名词)符号 Re - A rare, dense, silvery-white metallic element with a very high melting point used for electrical contacts and with tungsten for high-temperature thermocouples. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See table at element 铼:一种稀有的不透光银白色金属元素,具有非常高的熔点。用作电气触点,与钨用作高温热电偶。原子序数75;原子重量186.2;熔点3,180°C;沸点5,627°C;比重21.02;化合价1,2,3,4,5,6,7 参见 element
- From Latin Rhēnus [the Rhine] 源自 拉丁语 瑞纳斯 [莱茵河]
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