Environmental Engineering Reference
In-Depth Information
Tabl e 4. 10
Percentages of hits (diagonal) and misses (off-diagonal) of actual grindability index
using concatenated templates combining
F
s
,
P
d
,and
F
r
templates
Actual index Identified index
0.94 1.00 1.06
0.94
100
0
0
1.00
0
100
100
1.06
0
0
0
as that of medium ore. As
t
increases beyond 10h, this distance increases, while the
distance of the sample template to hard ore template becomes minimum, correctly
implying that the grindability is that of hard ore. Further details and other tests may
be found in [22].
18000
16000
14000
12000
10000
8000
6000
4000
2000
0
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
time (h)
Figure 4.31
Squared distances in the Fisher space between a sample template and the templates
for hard, medium and soft ores, for a step change of grindability index from medium to hard
at
t
=
(
)
. The dotted line is the squared distance from the sample template to the hard ore
template, the solid line and the segmented line are the squared distances from the sample template
to templates for medium and soft ores, respectively. (From [22])
10
h
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