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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
8-6 Sensors and Sensor Technology
Note that an LC might not have all phases shown in Figure 8.7. A unit vector n, the LC director axis,
re
presents
th
e
di
rection
of th
e
lo
ng
mo
lecular
ax
is
[1
9]
. In ne
matic
ph
ase,
LC mo
lecules
ha
ve
or
ienta-
tion
or
der
bu
t
do no
t
ha
ve
po
sitional
or
der
. As th
e
te
mperature
de
creases,
th
ey
te
nd
to ha
ve
po
sitional
or
ders
in ad
dition
to or
ientation
or
der
. e LC
s
th
at
ch
ange
th
eir
be
havior
du
e
to te
mperature
ch
ange
ar
e
ca
lled
th
ermotropic
. Ly
otropic
is an
other
ty
pe
of LC th
at
ha
s
mo
lecular
st
ructure
ch
anges
du
e
to th
e
co
ncentration
of th
e
so
lvent
. LC
s
ha
ve
ma
ny
ap
plications
in di
erent
e
lds
of sc
ience,
me
dicine,
in
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Publisher Resources

ISBN: 9781439848913