释义 |
sil·i·con AHD[sĭlʹĭ-kən, -kŏn'] D.J.[ˈsɪlɪkən, -ˌkɒn]K.K.[ˈsɪlɪkən, -ˌkɑn]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°C; boiling point 2,355°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°C;沸点2,355°C;比重2.33;化合价4 参见 element
- From silica 源自 silica
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