正在加载图片...
Radioactivity in Nature T1 pb Bi Po At Rn Fr 56 241d1.2min25 6/222Rn Is responsible for higher levels of background radiation in 226 1620 226 many parts of the world 38d 222 because it is a gas and Radon 218 can easily seep out of the earth into unfinished 27 min 20 min 164 214 basements and then into the house 3min 22 y 5d 138d 210 table 206 Z(Atomic Number) The uranium decay seriesThe uranium decay series. 222Rn is responsible for higher levels of background radiation in many parts of the world. because it is a gas and can easily seep out of the earth into unfinished basements and then into the house Radioactivity in Nature Radon
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有