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[
6
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Evaluation Warning : The document was created with Spire.PDF for Python.
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6930
T
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elec
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C
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tr
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,
Vo
l.
23
,
No
.
3
,
J
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n
e
20
25
:
7
89
-
8
96
790
in
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m
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ials
ar
e
ex
p
en
s
iv
e
an
d
h
ar
d
t
o
g
et
f
o
r
g
r
o
u
n
d
in
g
at
th
e
s
p
o
t
w
h
er
e
th
e
r
o
u
n
d
r
o
d
elec
tr
o
d
e
is
e
m
b
ed
d
ed
,
w
h
er
e
t
h
e
elec
tr
o
d
e
is
e
m
b
ed
d
ed
v
er
ticall
y
in
to
t
h
e
g
r
o
u
n
d
[
1
2
]
.
On
e
i
n
ter
esti
n
g
s
o
l
u
tio
n
s
u
g
g
ested
in
th
i
s
s
tu
d
y
is
to
m
i
x
d
o
lo
m
ite
w
it
h
o
th
er
m
ater
ial
s
to
lo
w
er
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
in
ac
id
ic
s
w
a
m
p
lan
d
.
Do
lo
m
ite,
d
u
e
t
o
its
ab
ilit
y
to
en
h
a
n
c
e
s
o
il
co
n
d
u
cti
v
it
y
an
d
r
aise
s
o
il
p
H
(
p
o
ten
tial
h
y
d
r
o
g
en
)
,
h
as
t
h
e
p
o
ten
tia
l
to
s
u
p
p
r
ess
o
r
r
ed
u
ce
g
r
o
u
n
d
in
g
r
esi
s
ta
n
ce
[
1
3
]
,
[
1
4
]
.
I
t
is
h
o
p
ed
th
at
b
y
m
ix
i
n
g
t
h
e
r
ig
h
t
a
m
o
u
n
t
o
f
d
o
lo
m
ite
w
i
th
ac
id
ic
s
w
a
m
p
lan
d
i
n
t
h
i
s
s
t
u
d
y
,
t
h
e
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
w
il
l
g
o
d
o
w
n
b
y
a
lar
g
e
a
m
o
u
n
t.
Fo
r
th
is
s
tu
d
y
,
th
e
t
y
p
e
o
f
elec
tr
o
d
e
u
s
ed
in
th
e
g
r
o
u
n
d
in
g
s
y
s
te
m
w
a
s
a
g
r
o
u
n
d
in
g
r
o
d
elec
tr
o
d
e.
Dif
f
er
en
t
t
y
p
es
o
f
r
o
d
elec
tr
o
d
es
w
er
e
u
s
e
d
to
f
in
d
th
e
m
o
s
t
r
eliab
le
an
d
ef
f
ec
tiv
e
co
m
b
i
n
atio
n
.
I
n
t
h
is
co
n
tex
t,
th
i
s
s
tu
d
y
n
o
t
o
n
l
y
ai
m
s
to
id
en
t
if
y
a
n
d
ap
p
l
y
s
o
lu
tio
n
s
to
r
ed
u
ce
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
[
1
5
]
,
b
u
t
also
to
ex
p
lo
r
e
th
e
s
cien
ti
f
ic
p
o
ten
tial
th
at
is
s
t
ill
h
id
d
en
in
s
w
a
m
p
lan
d
.
B
y
co
n
d
u
cti
n
g
i
n
-
d
ep
th
f
ield
r
esear
ch
,
it
is
h
o
p
ed
th
at
a
n
ef
f
ec
ti
v
e
m
et
h
o
d
ca
n
b
e
f
o
u
n
d
to
i
m
p
r
o
v
e
th
e
s
af
e
t
y
o
f
th
e
elec
tr
ical
s
y
s
te
m
w
h
ile
p
a
y
in
g
atte
n
tio
n
to
en
v
ir
o
n
m
e
n
t
al
s
u
s
tain
ab
il
it
y
.
I
t
is
an
ticip
ated
th
at
th
is
r
ese
ar
ch
w
il
l
o
f
f
er
n
o
v
e
l
p
er
s
p
ec
tiv
es
o
n
g
r
o
u
n
d
i
n
g
s
y
s
te
m
s
,
p
ar
ticu
lar
l
y
th
o
s
e
th
at
o
p
er
ate
o
n
ac
id
ic,
s
w
a
m
p
y
s
o
il
s
.
T
h
e
u
s
e
o
f
d
o
lo
m
ite
in
te
s
tin
g
is
lo
o
k
ed
in
to
in
th
i
s
s
tu
d
y
,
w
h
ic
h
n
o
t
o
n
l
y
ad
d
s
to
ac
ad
e
m
ic
k
n
o
w
led
g
e
b
u
t
also
h
e
lp
s
en
g
in
ee
r
s
a
n
d
p
eo
p
le
w
h
o
b
u
il
d
in
f
r
astru
ct
u
r
e
f
o
r
elec
tr
ical
in
s
ta
llatio
n
s
.
T
h
u
s
,
th
e
r
esu
l
ts
o
f
t
h
is
s
t
u
d
y
ar
e
ex
p
ec
ted
to
b
e
a
u
s
ef
u
l
g
u
id
e
f
o
r
f
u
r
t
h
er
r
esear
c
h
an
d
m
a
y
e
n
co
u
r
a
g
e
th
e
d
ev
el
o
p
m
e
n
t
o
f
n
e
w
tec
h
n
iq
u
e
s
f
o
r
b
etter
an
d
m
o
r
e
in
n
o
v
a
tiv
e
g
r
o
u
n
d
i
n
g
s
y
s
te
m
s
.
T
h
e
b
en
ef
its
o
f
th
is
s
tu
d
y
,
s
u
c
h
as
a
lo
w
er
g
r
o
u
n
d
in
g
r
esi
s
ta
n
ce
,
w
ill
al
s
o
lo
w
er
t
h
e
r
is
k
o
f
to
u
c
h
v
o
lta
g
e
a
n
d
leak
ag
e
c
u
r
r
en
t
f
o
r
p
eo
p
le
w
h
o
u
s
e
elec
tr
ical
eq
u
ip
m
en
t
a
n
d
d
o
in
s
tallatio
n
s
.
A
d
d
itio
n
all
y
,
th
e
u
tili
za
t
io
n
o
f
co
s
t
-
e
f
f
ec
tiv
e
d
o
lo
m
i
te
ca
n
s
e
r
v
e
as a
s
u
s
tai
n
ab
le
an
d
en
v
ir
o
n
m
e
n
tal
l
y
f
r
ien
d
l
y
alter
n
a
tiv
e.
2.
M
E
T
H
O
D
T
h
e
r
esear
ch
s
ite
o
r
f
ield
co
n
d
u
cted
an
ex
p
er
i
m
e
n
t
[
1
6
]
to
te
s
t
th
e
s
t
u
d
y
’
s
m
e
th
o
d
.
T
h
e
f
o
c
u
s
w
as
o
n
u
s
i
n
g
d
o
lo
m
ite
m
ater
ial
s
to
lo
w
er
g
r
o
u
n
d
i
n
g
r
esi
s
ta
n
ce
in
a
cid
ic
s
w
a
m
p
s
.
T
h
e
in
itia
l
s
tep
in
th
e
p
r
o
ce
s
s
w
as
to
cr
ea
te
a
h
o
le
w
it
h
a
d
ia
m
eter
o
f
4
in
ch
es
an
d
a
d
ep
th
o
f
1
m
eter
f
o
r
th
e
g
r
o
u
n
d
in
g
elec
tr
o
d
e
p
lan
tin
g
m
ed
iu
m
.
I
n
th
e
ce
n
ter
o
f
t
h
e
h
o
le,
a
cy
l
in
d
r
ical
g
r
o
u
n
d
i
n
g
el
ec
tr
o
d
e
r
o
d
w
ith
a
len
g
t
h
o
f
1
m
eter
w
as
i
n
s
er
ted
v
er
ticall
y
i
n
to
th
e
g
r
o
u
n
d
.
T
h
e
r
o
d
elec
tr
o
d
e
m
ater
ial
s
co
n
s
is
t
o
f
ir
o
n
,
g
al
v
a
n
ized
ir
o
n
,
an
d
co
p
p
er
-
co
ated
ir
o
n
[
1
7
]
.
Me
asu
r
e
m
en
t
s
u
s
i
n
g
a
g
r
o
u
n
d
i
n
g
m
ea
s
u
r
i
n
g
i
n
s
tr
u
m
en
t a
s
s
h
o
w
n
in
Fi
g
u
r
e
1
,
b
u
t b
ef
o
r
e
th
at
o
n
t
h
e
g
r
o
u
n
d
i
n
g
elec
tr
o
d
e
p
lan
tin
g
m
ed
ia,
r
esear
ch
er
s
ad
d
ed
o
r
f
illed
d
o
lo
m
ite
i
n
t
h
e
h
o
le
o
r
m
ed
ia
th
at
h
ad
b
ee
n
p
r
ep
ar
e
d
w
it
h
v
ar
iatio
n
s
in
c
o
m
p
o
s
i
tio
n
(
2
5
%,
5
0
%,
7
5
%
,
an
d
1
0
0
%)
ar
o
u
n
d
th
e
elec
tr
o
d
e
in
th
e
h
o
le,
as
s
h
o
w
n
in
Fi
g
u
r
e
s
2
an
d
3
w
h
er
e
th
e
elec
tr
o
d
e
h
as
b
ee
n
e
m
b
ed
d
ed
.
T
h
e
th
r
ee
-
p
o
in
t
m
e
th
o
d
,
w
h
ich
h
ad
a
m
ea
s
u
r
in
g
elec
tr
o
d
e
an
d
a
n
e
x
tr
a
elec
tr
o
d
e,
h
elp
ed
th
e
r
ese
ar
ch
er
s
g
et
ac
c
u
r
ate
r
es
u
lt
s
wh
en
th
e
y
m
ea
s
u
r
ed
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
[
1
8
]
,
[
1
9
]
.
T
h
e
r
esear
ch
er
s
ac
h
ie
v
ed
th
is
b
y
in
co
r
p
o
r
atin
g
d
o
lo
m
ite
i
n
to
th
e
g
r
o
u
n
d
i
n
g
elec
tr
o
d
e
p
lan
ti
n
g
m
ed
i
u
m
.
T
h
e
r
esear
ch
er
s
to
o
k
g
r
o
u
n
d
in
g
r
esis
ta
n
ce
m
ea
s
u
r
e
m
en
t
s
ev
er
y
s
ix
m
o
n
th
s
,
r
esu
lti
n
g
in
a
to
tal
o
f
2
5
m
ea
s
u
r
e
m
e
n
ts
.
T
h
i
s
w
as
e
n
o
u
g
h
to
lo
o
k
at
tr
en
d
s
i
n
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
at
t
h
e
tes
t
s
ite
o
r
o
n
ac
id
ic
s
w
a
m
p
la
n
d
.
T
h
is
m
et
h
o
d
m
ad
e
r
esear
ch
v
alid
an
d
r
ep
ea
tab
le
b
ec
au
s
e
it
w
a
s
u
s
ed
ag
ai
n
o
r
ad
o
p
ted
b
y
o
th
er
r
esear
ch
er
s
in
w
et
lan
d
ar
ea
s
,
tak
in
g
in
to
ac
co
u
n
t
a
r
an
g
e
o
f
en
v
ir
o
n
m
e
n
tal
f
ac
to
r
s
o
r
m
ix
ed
m
ater
ials
.
T
ab
le
1
p
r
esen
ts
th
e
m
a
ter
ials
an
d
r
esear
ch
m
ate
r
ials
n
ee
d
ed
to
r
ed
u
ce
g
r
o
u
n
d
r
esis
tan
ce
i
n
ac
id
ic
s
w
a
m
p
la
n
d
.
Fig
u
r
e
1
.
3
-
p
o
in
t
m
ea
s
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r
e
m
en
t
m
et
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d
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d
co
n
s
tr
u
ct
io
n
b
y
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g
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o
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ite
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B-25
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24
26
28
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34
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w
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ter
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ite.
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h
d
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te
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as
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tr
o
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ic
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ater
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lik
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ite
[
2
0
]
,
[
2
1
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.
T
h
is
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en
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[
16
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24
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Valu
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ated
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ized
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ated
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t
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e
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ly
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h
w
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s
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m
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m
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u
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f
d
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ite
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h
at
w
a
s
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s
ed
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h
e
g
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ized
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,
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e
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th
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s
.
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h
e
r
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o
w
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n
w
h
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n
d
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ite
w
as
a
d
d
ed
in
am
o
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n
t
s
as
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ig
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as
2
5
%.
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t
w
a
s
at
its
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west
w
h
e
n
a
5
0
%
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r
e
w
a
s
u
s
ed
.
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h
is
s
h
o
w
s
th
at
t
h
e
g
al
v
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ized
elec
tr
o
d
e
is
m
o
r
e
e
f
f
ec
tiv
e
i
n
r
ed
u
ci
n
g
g
r
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n
d
i
n
g
r
esi
s
tan
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w
i
th
a
d
o
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m
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x
t
u
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e.
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e
is
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o
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r
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atter
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to
h
o
w
m
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c
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g
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o
w
n
w
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e
n
d
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ite
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s
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ed
,
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u
t
u
s
i
n
g
g
a
lv
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n
ized
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tr
o
d
es
w
it
h
a
m
i
x
o
f
2
5
%,
7
5
%,
o
r
1
0
0
% d
o
lo
m
ite
h
as b
ee
n
s
h
o
w
n
to
w
o
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k
i
n
ac
id
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s
w
a
m
p
lan
d
to
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w
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g
r
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u
n
d
in
g
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ta
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ce
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T
h
e
r
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r
ch
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s
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d
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cted
a
n
ex
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m
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t
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w
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n
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ield
m
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t
s
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d
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s
.
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h
e
r
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ch
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s
o
b
tain
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e
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m
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m
in
T
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2
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T
h
e
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r
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n
d
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m
u
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ite
m
ater
ial
s
s
h
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d
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(
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m
)
,
w
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h
w
as
h
i
g
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er
t
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t
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ts
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t
h
e
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ield
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d
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ad
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4
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an
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e.
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ab
le
2
.
Sim
u
latio
n
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o
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g
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d
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ta
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v
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s
(
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)
M
e
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me
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t
(
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)
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2
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G
a
l
v
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n
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z
e
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p
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t
e
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r
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n
3
7
.
89
3
0
.
37
3
3
.
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2
9
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10
2
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.
63
I
r
o
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Fig
u
r
e
4
s
h
o
w
s
a
n
an
al
y
s
is
o
f
a
g
alv
a
n
ized
elec
tr
o
d
e
w
it
h
a
m
ix
tu
r
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o
f
d
o
lo
m
i
te.
T
h
e
g
r
o
u
n
d
i
n
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esis
ta
n
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a
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ch
d
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te
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.
T
h
e
f
ig
u
r
e
s
h
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w
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f
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v
e
c
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,
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i
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t
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m
ite
(
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s
w
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m
p
s
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)
,
2
5
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5
0
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7
5
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d
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0
0
%
d
o
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ite.
W
it
h
o
u
t
d
o
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ite,
t
h
e
g
r
o
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n
d
i
n
g
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esis
ta
n
ce
is
h
ig
h
er
in
Fig
u
r
e
4
(
a)
.
T
h
is
s
h
o
w
s
th
a
t
th
e
ac
id
ic
s
o
il
d
o
esn
’
t
co
n
d
u
ct
elec
tr
icit
y
w
ell,
as
s
h
o
wn
b
y
t
h
e
h
o
t
s
p
o
ts
at
th
e
elec
tr
o
d
e
’
s
tip
.
I
n
Fig
u
r
e
4
(
b
)
,
w
it
h
th
e
ad
d
itio
n
o
f
2
5
%
d
o
lo
m
i
te,
th
e
h
o
t
co
n
to
u
r
s
b
eg
in
to
s
p
r
ea
d
an
d
th
e
r
esis
ta
n
ce
d
ec
r
ea
s
es.
Ho
w
e
v
er
,
in
Fi
g
u
r
e
4
(
c)
,
w
it
h
5
0
%
d
o
lo
m
ite,
a
h
o
t
s
p
o
t
ap
p
e
ar
s
in
t
h
e
ce
n
ter
o
f
t
h
e
elec
tr
o
d
e,
w
h
ic
h
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cr
ea
s
es
t
h
e
r
esis
tan
c
e.
I
n
Fig
u
r
es
4
(
d
)
an
d
4
(
e)
,
w
ith
7
5
%
an
d
1
0
0
%
d
o
lo
m
ite,
th
e
h
o
t
co
n
to
u
r
s
s
p
r
ea
d
ar
o
u
n
d
th
e
elec
tr
o
d
e,
d
ec
r
ea
s
in
g
th
e
r
esis
ta
n
ce
.
T
h
is
in
d
icate
s
th
at
d
o
lo
m
ite
ca
n
in
cr
ea
s
e
s
o
il c
o
n
d
u
ct
iv
it
y
a
n
d
i
m
p
r
o
v
e
t
h
e
ef
f
icie
n
c
y
o
f
th
e
g
r
o
u
n
d
i
n
g
s
y
s
te
m
.
(
a)
(
b
)
(
c)
(
d
)
(
e)
Fig
u
r
e
4
.
Galv
an
ized
elec
tr
o
d
e
w
it
h
d
o
lo
m
ite
m
i
x
tu
r
e
;
(
a)
ac
id
s
w
a
m
p
lan
d
;
(
b
)
2
5
% d
o
lo
m
ite
;
(
c)
5
0
%
d
o
lo
m
ite
;
(
d
)
7
5
% d
o
lo
m
ite
;
a
n
d
(
e)
1
0
0
%
d
o
lo
m
ite
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
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p
u
t E
l
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tr
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Th
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f d
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mite
to
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ve
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me
g
r
o
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d
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ta
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a
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d
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Dia
n
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ka
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u
tr
a
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793
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h
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tr
o
d
es
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i
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s
h
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n
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Fi
g
u
r
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5
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e
g
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h
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g
u
r
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s
h
o
w
s
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n
d
it
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,
w
ith
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t
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(
ac
id
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m
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s
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il),
2
5
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d
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d
o
lo
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I
n
f
i
g
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r
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5
(
a)
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h
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t
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lo
m
i
te,
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e
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esis
ta
n
ce
is
h
ig
h
er
,
i
n
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icati
n
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a
t
t
h
e
a
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ic
s
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n
d
u
ct
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it
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th
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lated
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ea
t
f
lo
w
o
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e
s
u
r
f
ac
e.
I
n
Fig
u
r
e
5
(
b
)
,
w
ith
2
5
% d
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m
it
e,
th
e
h
ea
t c
o
n
to
u
r
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p
ea
r
s
in
t
h
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ce
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ter
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lectr
o
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e
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d
s
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a
t t
h
e
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esis
ta
n
ce
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eg
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s
to
d
ec
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e.
Fig
u
r
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5
(
c)
s
h
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e
tr
en
d
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h
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0
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h
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r
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e
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t
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n
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g
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t
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e
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d
ec
r
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g
th
e
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e
s
is
ta
n
ce
.
Ho
wev
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,
in
Fi
g
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r
e
5
(
d
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w
it
h
7
5
%
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o
lo
m
ite,
t
h
e
h
ea
t
co
n
to
u
r
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n
t
h
e
s
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r
f
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e,
s
li
g
h
t
l
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n
cr
ea
s
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n
g
th
e
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esis
ta
n
ce
.
I
n
Fi
g
u
r
e
5
(
e)
,
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e
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tr
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e
s
u
r
f
ac
e
b
lo
ck
s
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e
h
ea
t
co
n
to
u
r
w
it
h
1
0
0
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ca
u
s
i
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g
it
to
s
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s
lig
h
tl
y
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d
i
n
cr
ea
s
e
th
e
r
esis
ta
n
ce
o
n
c
e
m
o
r
e.
(
a)
(
b
)
(
c)
(
d
)
(
e)
Fig
u
r
e
5
.
I
r
o
n
b
r
ac
e
elec
tr
o
d
e
w
it
h
d
o
lo
m
ite
m
i
x
t
u
r
e
;
(
a)
a
cid
s
w
a
m
p
lan
d
,
(
b
)
2
5
% d
o
l
o
m
ite
,
(
c)
5
0
%
d
o
lo
m
ite
,
(
d
)
7
5
% d
o
lo
m
ite
,
a
n
d
(
e)
1
0
0
%
d
o
lo
m
ite
T
h
e
s
h
ap
e
o
f
th
e
g
r
o
u
n
d
i
n
g
r
esis
ta
n
ce
s
i
m
u
la
tio
n
w
it
h
a
co
p
p
er
-
co
ated
elec
tr
o
d
e
an
d
a
d
o
lo
m
it
e
m
i
x
tu
r
e
i
s
s
h
o
w
n
i
n
Fi
g
u
r
e
6
.
T
h
er
e
ar
e
f
iv
e
co
n
d
itio
n
s
s
h
o
w
n
:
w
it
h
o
u
t
d
o
lo
m
ite
(
ac
id
ic
s
w
a
m
p
s
o
il),
2
5
%,
5
0
%,
7
5
%,
an
d
1
0
0
%
d
o
lo
m
it
e.
W
ith
o
u
t
d
o
lo
m
ite,
th
er
e
i
s
n
o
h
ea
t
f
lo
w
o
n
th
e
elec
tr
o
d
e
in
Fi
g
u
r
e
6
(
a)
,
an
d
th
e
r
esi
s
tan
ce
is
h
i
g
h
er
.
T
h
is
m
ea
n
s
t
h
at
t
h
e
ac
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ic
s
o
il
d
o
es
n
o
t
co
n
d
u
ct
elec
tr
ici
t
y
w
e
l
l,
an
d
th
er
e
i
s
o
n
l
y
h
ea
t
f
lo
w
o
n
t
h
e
s
u
r
f
ac
e.
I
n
Fi
g
u
r
e
6
(
b
)
,
w
it
h
2
5
%
d
o
lo
m
ite,
th
e
h
ea
t
co
n
to
u
r
b
eg
i
n
s
to
f
lo
w
o
n
th
e
elec
tr
o
d
e
s
u
r
f
ac
e
a
n
d
s
p
r
ea
d
s
,
s
o
t
h
e
r
e
s
is
ta
n
ce
d
ec
r
ea
s
es.
Ho
w
ev
er
,
in
F
ig
u
r
e
6
(
c)
w
it
h
5
0
%
d
o
lo
m
ite,
t
h
e
r
e
s
is
ta
n
ce
d
ec
r
ea
s
e
is
in
co
n
s
is
ten
t
b
ec
a
u
s
e
th
e
h
ea
t
co
n
to
u
r
d
o
es
n
o
t
s
p
r
ea
d
to
th
e
s
o
il
w
all.
F
ig
u
r
e
6
(
d
)
s
h
o
w
s
t
h
at
at
7
5
%
d
o
lo
m
ite,
t
h
e
h
ea
t
co
n
to
u
r
is
o
n
l
y
a
t
th
e
b
a
s
e
an
d
tip
o
f
th
e
e
lectr
o
d
e,
w
it
h
o
u
t
s
p
r
ea
d
in
g
to
t
h
e
s
o
il.
I
n
Fig
u
r
e
6
(
e)
,
w
h
en
1
0
0
% d
o
lo
m
ite
i
s
u
s
ed
,
t
h
e
r
esis
tan
ce
g
o
es u
p
a
g
ain
b
ec
au
s
e
th
e
h
ea
t c
o
n
to
u
r
is
b
lo
c
k
ed
o
n
th
e
elec
tr
o
d
e
s
u
r
f
ac
e
a
n
d
ca
n
’
t
s
p
r
ea
d
to
th
e
s
o
il a
r
o
u
n
d
it.
(
a)
(
b
)
(
c)
(
d
)
(
e)
Fig
u
r
e
6
.
C
o
p
p
er
-
co
ated
ir
o
n
elec
tr
o
d
e
w
ith
d
o
lo
m
ite
m
i
x
t
u
r
e
;
(
a)
ac
id
s
w
a
m
p
lan
d
,
(
b
)
2
5
% d
o
lo
m
ite
,
(
c)
5
0
% d
o
lo
m
ite
,
(
d
)
7
5
% d
o
l
o
m
ite
,
an
d
(
e)
1
0
0
% d
o
l
o
m
i
te
T
h
e
s
i
m
u
latio
n
r
es
u
lt
s
s
h
o
w
t
h
at
h
ea
t
s
p
r
ea
d
o
cc
u
r
s
m
o
s
tl
y
at
th
e
b
ase
o
f
th
e
elec
tr
o
d
e
r
o
d
.
T
h
is
is
d
u
e
to
th
e
m
u
d
d
y
s
u
r
f
ac
e
o
f
t
h
e
ac
id
ic
s
w
a
m
p
,
w
h
ich
h
as
t
h
e
h
i
g
h
est
r
esi
s
ti
v
it
y
v
al
u
e.
T
h
e
h
ei
g
h
t
o
f
th
e
m
u
d
v
ar
ies b
et
w
ee
n
5
c
m
a
n
d
1
5
cm
,
w
h
ich
ten
d
s
to
e
x
p
er
ien
ce
p
h
y
s
ical
ch
a
n
g
es.
T
h
e
ad
d
itio
n
o
f
d
o
lo
m
ite
ca
u
s
es
h
ar
d
en
i
n
g
a
n
d
co
r
r
o
s
io
n
o
f
th
e
elec
tr
o
d
e
r
o
d
,
esp
ec
ially
o
n
th
e
ir
o
n
elec
tr
o
d
e.
I
n
ad
d
itio
n
,
w
ea
t
h
er
f
ac
to
r
s
an
d
f
l
u
ct
u
atio
n
s
i
n
s
w
a
m
p
w
a
ter
m
ak
e
th
e
s
u
r
f
ac
e
s
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il
m
u
d
d
y
,
a
n
d
d
u
r
in
g
t
h
e
d
r
y
s
ea
s
o
n
,
th
e
s
o
il
b
ec
o
m
e
s
to
u
g
h
an
d
b
r
ittl
e.
Mo
r
e
th
an
an
y
th
in
g
else,
th
i
s
s
tu
d
y
ad
d
s
a
lo
t
to
w
h
at
w
e
k
n
o
w
ab
o
u
t
g
r
o
u
n
d
i
n
g
s
y
s
te
m
s
in
ac
id
ic
s
w
a
m
p
y
ar
ea
s
an
d
b
ac
k
s
u
p
t
h
e
o
r
ig
in
a
l
id
ea
t
h
at
d
o
lo
m
ite
w
o
r
k
s
.
A
d
d
itio
n
all
y
,
t
h
e
r
e
s
u
l
t
s
s
u
g
g
e
s
t
t
h
at
u
s
in
g
d
o
lo
m
ite
i
n
th
e
r
ig
h
t
p
r
o
p
o
r
t
io
n
s
ca
n
b
e
a
co
s
t
-
ef
f
ec
t
iv
e
w
a
y
to
d
ea
l
w
it
h
th
e
is
s
u
e
o
f
h
ig
h
g
r
o
u
n
d
in
g
r
esis
ta
n
ce
,
as
w
ell
as a
n
alter
n
ativ
e
t
h
at
is
b
etter
f
o
r
th
e
e
n
v
i
r
o
n
m
e
n
t a
n
d
w
ill la
s
t lo
n
g
er
[
2
5
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
23
,
No
.
3
,
J
u
n
e
20
25
:
7
89
-
8
96
794
4.
CO
NCLU
SI
O
N
T
h
is
s
tu
d
y
s
h
o
w
s
t
h
at
ad
d
in
g
d
o
lo
m
ite
to
ac
id
ic
s
w
a
m
p
lan
d
ca
n
m
a
k
e
it
m
u
c
h
ea
s
ier
f
o
r
th
in
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s
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Evaluation Warning : The document was created with Spire.PDF for Python.
T
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795
DATA AV
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AB
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RE
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NC
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S
[
1
]
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.
M
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h
a
mm
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d
,
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.
A
man
,
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n
d
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.
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v
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:
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4
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[
2
]
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.
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o
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,
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.
Z
.
El
D
e
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n
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.
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.
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.
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.
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a
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4
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