294 / 1173
−
log
e
SF
n
=
E
=
n
α
d
+
β
d
2
(
)
=
D
α
+
β
d
(
)
Basic LQ equation:
E
=
D
α
+
β
d
1
+
H
m
(
)
(
)
LQ equation with incomplete repair:
m
is the number of fractions per day
H
m
varies from:
0 (“full repair”) to
m
-1 (“no repair”)