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放射性元素
释
darmstadtium
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人工放射性元素,元素符号Ds,原子序数110,半衰期最长的同位素的质量数281。属周期系Ⅷ族。以德国重离子研究中心所在城市达姆施塔特(Darmstadt)命名。曾被称为110号元素(ununnilium),符号Uun。
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tosimeter
toss and catch of weapons
tossing of coin
Tossy Spivakovsky
to streamline administration, delegate powers, and improve regulation and services
to strengthen the management of the police
TOT
TOTAL
total
total absolute curvature
total absorption
total absorption coefficient
total absorption spectrometer
total-absorption spectrometer
total acceleration
total adaptation
total additivity
total algebra
total alkalinity
total allowable catch system
total amount comparison method
total amount control of coal consumption
total amount control of energy consumption
total amount control of land source pollutant
Total Amount Control of Pollutants
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