释义 |
tel·lu·ri·um AHD[tĕ-l‹rʹē-əm] D.J.[teˈlʊəriːəm]K.K.[tɛˈlʊriəm]n.Symbol Te (名词)符号 Te - A brittle, silvery-white metallic element usually found in combination with gold and other metals, produced commercially as a byproduct of the electrolytic refining of copper and used to alloy stainless steel and lead, in ceramics, and, in the form of bismuth telluride, in thermoelectric devices. Atomic number 52; atomic weight 127.60; melting point 449.5°C; boiling point 989.8°C; specific gravity 6.24; valence 2, 4, 6. See table at element 碲:一种易碎的银白色的金属元素,通常在金和其它金属的结合体中发现,在铜的电解中以副产品的形式提炼出来,用于在制陶术中和在热电设备中以碲化铋的形式合铸不锈钢和铅。原子序数52;原子量127.60;熔点449.5°C;沸点989.8°C;比重6.24;化合价2,4,6 参见 element
|