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["Radioaktiver Zerfall unabhängiger Isotope"]
["Pb-211, Pb-212 und Pb-214",null,null,null,"Hinweis: Pb-211 und Pb-214 haben fast die gleiche Halbwertszeit"]
["Daten aus Realexperiment"]
[]
[null,null,"Gesamt-",null,"\"rückwärts\"","\"rückwärts\"",null,null,"langlebiges",null,"kurzlebiges "]
[null,"Meßzeit","aktivität","Logarithmus ","extrapolierter","extrapolierte",null,null,"Element Pb-212",null,"Element Pb-214"]
[null,"t / min","dN/dt","Gesamtaktivität","Logarithmus","Aktivität","Aktivität"]
[null,null,"in 1/min","(Basis 10)","Ges.-Akt,","Pb-212","Pb-214",null,"Steigung l=-m",null,"Steigung l=-m"]
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[]
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[null,null,null,"Log-Steigung"]