\({\lambda _C} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{5730.365.24.60.60}} = 3,{8.10^{ - 12}}{s^{ - 1}}\)
\({\lambda _I} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{8,02.24.60.60}} = 0,{1.10^{ - 5}}{s^{ - 1}}\)
\({\lambda _{Po}} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{138,4.24.60.60}} = 5,{7.10^{ - 8}}{s^{ - 1}}\)
\({\lambda _{Rn}} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{3,98}} = 0,174{s^{ - 1}}\)
\({\lambda _{Ra}} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{1600.365.24.60.60}} = 13,{7.10^{ - 12}}{s^{ - 1}}\)
\({\lambda _U} = \frac{{\ln 2}}{T} = \frac{{\ln 2}}{{7,{{04.10}^8}.365.24.60.60}} = 3,{122.10^{ - 23}}{s^{ - 1}}\)
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