radiobiology seminar1€¦ · microsoft powerpoint - radiobiology_seminar1.pptx author: aasghar...
TRANSCRIPT
12/18/2013
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21
X
x.
)(.
.
..
.
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2
X
. .
..
.
.
x
x
x
)(.
.
)(
)(. (.
)(.
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x
x
.
x:.1
)(:
. .
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4
)(
.
.
.
.
.2 : .2 :
k
. .
.
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-
-
:
-
29
-
. -
.
- .
- .
-
C= f
f C .
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.
h
h
.
chhE
31
.
(kev)
(kev)
(Å) :
:0.1 Å
)(4.12)( keVE
32
:0.1 Å
keVE 1241.04.12
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: 33
- -
-
CT -
-
-
-
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8
) (X . X .
e , e+ , p ,
)keVMeV
(
X
35
36
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Coherent ScatteringCoherent Scattering
Photoelectric Effect
Compton Scattering
Pair Production
37
Pair Production
Photodisintegration .
Coherent Scattering )
(
..:
Thomson: .
Rayleigh :Rayleigh :
38
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10
39
Photoelectric Effect
.
:1- Negative ion ) ( ) (2- Positive ion ) (3- Charactristic Radiation ( X-ray )
40
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