Now playing · 03 Nuclear
Cumulated activity
à = 1154 MBq·h
A
~
=
∫
0
∞
A
(
t
)
d
t
=
A
0
λ
e
=
1.443
A
0
T
e
\tilde{A} = \int_0^\infty A(t)\,dt = \frac{A_0}{\lambda_e} = 1.443\,A_0 T_e
A
~
=
∫
0
∞
A
(
t
)
d
t
=
λ
e
A
0
=
1.443
A
0
T
e
Time-integral of activity to infinity: Ã = A₀ / λ_e.
Laser