<s>
On	O
a	O
semi-log	B-Application
plot	I-Application
the	O
spacing	O
of	O
the	O
scale	O
on	O
the	O
y-axis	O
(	O
or	O
x-axis	O
)	O
is	O
proportional	O
to	O
the	O
logarithm	O
of	O
the	O
number	O
,	O
not	O
the	O
number	O
itself	O
.	O
</s>
<s>
A	O
log	O
–	O
log	O
plot	O
uses	O
the	O
logarithmic	O
scale	O
for	O
both	O
axes	O
,	O
and	O
hence	O
is	O
not	O
a	O
semi-log	B-Application
plot	I-Application
.	O
</s>
<s>
In	O
other	O
words	O
,	O
F	O
is	O
proportional	O
to	O
the	O
logarithm	O
of	O
x	O
times	O
the	O
slope	O
of	O
the	O
straight	O
line	O
of	O
its	O
lin	B-Application
–	I-Application
log	I-Application
graph	I-Application
,	O
plus	O
a	O
constant	O
.	O
</s>
<s>
The	O
semi-log	B-Application
plot	I-Application
makes	O
it	O
easier	O
to	O
see	O
when	O
the	O
infection	O
has	O
stopped	O
spreading	O
at	O
its	O
maximum	O
rate	O
,	O
i.e.	O
</s>
<s>
In	O
biology	O
and	O
biological	O
engineering	O
,	O
the	O
change	O
in	O
numbers	O
of	O
microbes	B-Application
due	O
to	O
asexual	O
reproduction	O
and	O
nutrient	O
exhaustion	O
is	O
commonly	O
illustrated	O
by	O
a	O
semi-log	B-Application
plot	I-Application
.	O
</s>
<s>
Time	O
is	O
usually	O
the	O
independent	O
axis	O
,	O
with	O
the	O
logarithm	O
of	O
the	O
number	O
or	O
mass	O
of	O
bacteria	O
or	O
other	O
microbe	B-Application
as	O
the	O
dependent	O
variable	O
.	O
</s>
