Integrating equation (2),
(6.0.)
C2 Sd (t—0-? -0,-<-2)
and
(6.b.)
<0,
).2>
Cw Sagty1.2,. (649-2
where: ® @ total nuzber of disintegrations frox tins "a* to "b*
t, @ tine after detonation
%, * later tine after detonation.
When t, is infirite,
(7)
Cec = 5a,t
By the use of ecustions 3.0. o- $4. and 6.6. one may compute an
estimated dose at the surface cf an laaginary sphere,
Of course, the problen is the determination of "t* and *t*> 1.@.,
bow long after cetonation will a radioactive particle appear in the lungs
and hov long will the particle remain in clace.
easior to estinste tian the later {ty
—
‘1,
(See text page - )
a TO
The first tine (t) is much