330
G . SHELTON
350
300
0
x \
0
5 2 0 0
5
C
0
.c
v)
0 0
0 I
1
I
I
I
40
80
120
160
Partial pressure of oxygen (mm Hg)
( a )
3001
-
q \ ; 200
I
.‘
300 -
,0/
Active
L
0
-
r
\
0
x
\
/
/
,a’
; 2005
g 100I
c
/
0
/
a
c
/
/
4/
v)
V
0
/
I
l
I
I
6
t‘
0
1
Standard
n
w
I
1
1
60
100
140
180
O
O 5 -
Partial pressure of oxygen (mm Hg)
(b)
/
/
/
/
4/
/
I
I
I
I
t‘
0
1
Standard
n
w
I
1
1
20
60
100
140
180
Partial pressure of oxygen (mm Hg)
(b)