ACTIVITY, C/M IN THOUSANDS
i
°
d
RAT pone \
a
‘O-
m~o~
3.
NN
2-
0
-_
oO
BAGKGROUND
Ol
“4
-NODDY TERN BONE
.
‘
100
;
200
1
300
4
;
400
t
500
,
600.
ADDED ABSORBER , MG/CN2 Al
Figure 14.
1
700
*
800
Mass absorption curves from the bones of
a rat and a tern, post shot.