ao=9600 Бк t=7*60=420 c ΔN=?
ao=(No-N)/t=ΔN/t ΔN=ao*t=9600*420=4.032*10^6 Бк
a/ao=1/3 a=ao/3=9600/3=3200 Бк
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ao=9600 Бк t=7*60=420 c ΔN=?
ao=(No-N)/t=ΔN/t ΔN=ao*t=9600*420=4.032*10^6 Бк
a/ao=1/3 a=ao/3=9600/3=3200 Бк
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