单词 | silicon |
释义 | silicon['silikən]n. 硅【化】 硅Si【医】 硅(14号元素,旧名矽) silicon sil.i.con AHD: [s¹l“¹-k…n, -k¼n”] D.J. [6s!l!k*n, -7kKn]K.K. [6s!l!k*n, -7k$n]n.Symbol Si (名词)符号 Si A nonmetallic element occurring extensively in the earth's crust in silica and silicates, having both an amorphous and a crystalline allotrope, and used doped or in combination with other materials in glass, semiconducting devices, concrete, brick, refractories, pottery, and silicones. Atomic number 14; atomic weight 28.086; melting point 1,410&9{=}C; boiling point 2,355&9{=}C; specific gravity 2.33; valence 4.See table at element 硅:一种非金属元素,广泛存在于地壳的硅酸盐和硅石中,有非晶体和晶体的同素异形体,与其它材料掺杂或结合,用于制造玻璃、半导体材料、混凝土、砖、耐火材料、陶瓷和矽氧烷。原子序数14;原子量28.086;熔点1,410&9{=}C;沸点2,355&9{=}C;比重2.33;化合价4参见 element语源:From silica 源自 silica |
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