Programmed Calculation Examples; Calculation To Determine The Decaying Time - Canon Canola SX Series Instructions Manual

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3. Programmed Calculation Examples
3·1. Calculation to determine the decaying time
Calculation to determine the decaying time
when the decay ratio and the half·life of the
nuclide are known.
Formula:
A
t'"
I n ­
Ao
t!
=
Half.life
Ao: Number of nucleons at t=O
r A : Number of nucleons at
t=x
1
A D ·
Ao:
ecay ratio
In this example:
Half-life: tt 1622 years
Decay ratio:1
~o
=
1~O
(1%)
Printout Format
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IF E :";:
••1..
E
()
1
t:
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