astatine [化学] 砹 ; 放射性易挥发的元素砹 ; 试金
eka astatine 类砹
astatine- ionic 离子型
astatine compound [无化] 砹化合物
astatine isotope [核] 砹同位素
The Chemistry of Astatine 砹的化学
at-astatine labelled protein at标记蛋白质
211 at-astatine labelled protein at标记蛋白质
同义词： At atomic number 85
以上来源于: WordNet
N a radioactive element of the halogen series: a decay product of uranium and thorium that occurs naturally in minute amounts and is artificially produced by bombarding bismuth with alpha particles. Symbol: At; atomic no: 85; half-life of most stable isotope, 210At: 8.1 hours; probable valency: 1,3,5, or 7; melting pt: 302°C; boiling pt: 337°C (est) 砹; 卤素系列的放射性单位
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