单词 | tellurium |
释义 | tellurium[te'ljuəriəm]n. 碲【化】 碲Te【医】 碲(52号元素) tellurium tel.lu.ri.um AHD: [tµ-l‹r“¶-…m] D.J. [te6l&*ri8*m]K.K. [tW6l&ri*m]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&9{=}C; boiling point 989.8&9{=}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&9{=}C;沸点989.8&9{=}C;比重6.24;化合价2,4,6参见 element |
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