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单词
radon
释义
radon
Encyclopedia
医学
天然放射性
释
radon
氡
原子序数为86的天然放射性元素。其元素符号为Rn,通常的单质形态是气体,无色无味,化学性质稳定。
理学
放射性元素
释
radon
氡
天然放射性元素,元素符号Rn,原子序数86,半衰期最长的同位素的质量数222,属周期系0族,为稀有气体。有时又称为射气。
Physics
radon
氡
86Rn
{化}
Astronomy
radon
缩写:Rn。氡
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
radon
氡
随便看
installation of drag embedment anchor
installation of FPSO
installation of gravity base platform substructures
installation of hydro-generator unit
installation of jacket substructures
installation of mechanical and electrical equipment
installation of metal structure
installation of offshore topside
installation of pile anchor
installation of pump
installation of Spar
installation of steel pipes
installation of subsea template
installation of suction anchor
installation of tension leg platform
installation of tower underwater soft yoke single mooring system
installation of vertical load anchor
installation of water soft yoke single mooring system
installation qualification of pressure pipeline
installation spacing of fire detector
installation vehicle for contact wire
installation works
installed capacity
installed capacity of hydroelectric power station
installer
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