单词 | antimony |
释义 | antimony['æntiməni]n. 锑【化】 锑Sb【医】 锑(51号元素) antimony an.ti.mo.ny AHD: [²n“t…-m½”n¶] D.J. [6#nt*7m*&ni8]K.K. [6#nt*7moni]n.Symbol Sb (名词)符号 Sb A metallic element having four allotropic forms, the most common of which is a hard, extremely brittle, lustrous, silver-white, crystalline material. It is used in a wide variety of alloys, especially with lead in battery plates, and in the manufacture of flame-proofing compounds, paint, semiconductor devices, and ceramic products. Atomic number 51; atomic weight 121.75; melting point 630.5&9{=}C; boiling point 1,380&9{=}C; specific gravity 6.691; valence 3, 5.See table at element 锑:一种金属元素,有四个同素异形体,最常见的是一种硬而脆的银白色发光晶体物质。锑普遍用于各种合金,特别是和铅一起用于电池极板,制造防火合成物、油漆、半导体装置和陶瓷制品。原子序数为51;原子量为121.75;熔点为630.5&9{=}C;沸点1,380&9{=}C;比重为6.691;化合价为3,5参见 element语源:1. Middle English antimonie 中古英语 antimonie 2. from Medieval Latin antim½nium 源自 中世纪拉丁语 antim½nium 3. perhaps from Arabic al-’iAmid 可能源自 阿拉伯语 al-’iAmid 4. perhaps from Greek stimmi 可能源自 希腊语 stimmi |
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