The Effect of Litferent Fadiation Leptn-Lose Curves on tiortality {in
Mammals
Tullis et al.
atomic bomb field
(35,
236) nas studiea this
tests «ith swine as
{llustrated in Figure 10,
tie
im the laboratory aad
target animals.
This ‘is
oilateral
20L0 kVp x ray,
and
the mortality
the highly energetic prompt gamma raciation from a fission bomb.
from unilateral 2000 kVp x ray is 506 rad in air.
in an Lisg Of
4uu rad
in alr.
with Lisg was about 230 rad im air.
micline
300,
tissue doses
220,
anc
tissues proximal
to
from
the midline received much less
tissues proximal
and
stem cells on opposit2
author
tc
In
ts
the case of
che siidlic:
Ene prompt ganrs
the mialine receive a greater cose and
inure
hence a higher and lower survival of hemonotie ti:
sices of
the micline.
t aA
Se
shoula
raz
the case of
to and distal from
.e@asurcl
are of relatively little use in predictin:
For nracticsl clinical managenenct,
that one
In
than 309
tis effect of ener y @ho seometrvy of @xpusurs,
raGiation doses in ai:
Survival.
recgivec nore.
tissues proximal
receive a greater absorbed cose.
distal a lesser dose,
to
In the case of the unilateral 2004
the midline
bil at eral 2000 xV¥p x ray,
So a result of
The initiai demo gamma reclation
The differences are explained in part by lack of
tissues distal
rasiation,
Bilateral 2UC3 KVp
‘YThese air doses can Le converted
honogeneity in uwistribution of dose.
kVp x ray,
‘rin
The
based on comparative studies on depth-cose curves
and 184 rad.
tie
showing the signoia ause mortality curves for
unilateral 2000 kVp x vay,
resuited
in
be guiced by
it is
the
opini
tne clinical and hematolo
not vy estimates of radiacica doses in air
dosimetry.
Fallout kaciation LxposSure of
tre lLarsnaliese
The energy of a fallout field deternines,
exCuO sure,
of
of 4-day old
fe
tne depth-dose pattern.
ftallout.
The
in addition to the geometrc
risure Ll shows
original source is
emissions from the major components of
the energy spectroun
the energy of
the 4-aay fallouc.
inhez ent pamnme
The ssli
histogram is calculated distribution of energy taking into accouzt Comp ter
Thus
the energy
to which an ingivicual 15 exposed veries
few kev with Little penetration to a zeak at 140u ELV
‘Naw
fron
The
tnis energy distribution in tne geometry of earosure on cdeptn-do+e curve
is shown in Figure 12.
The depth-dose curves of a fallout Eleld and
ll
500 1u 42
u
a
mt
scatteriig.