astatine cas砹
astatine compound[无化] 砹化合物
astatine isotope[核] 砹同位素
eka astatine类砹
astatine-砹
The Chemistry of Astatine砹的化学
astatine- ionic离子型
at-astatine labelled proteinat标记蛋白质
211 at-astatine labelled proteinat标记蛋白质
N(名词) 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