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6 6 23

238239240 8990

() 100 2,200
5 5cm
131

8 2 12
8 30 9 21 )

2,200
100

238239240 8990
()

239 240

2
1 6 6 6 14 2 6 27 7 8

()
8 2 12

238239240
8990 Bq/
3
238239240 8990
2122

23
6 6 7 8

4 ()
80km
80 2km
238239240
8990 238239240
8990 131

59 80 59
1

41

238239240 50
20
238239240 0.5Bq/
8990 30
60
89 300Bq/ 90 40Bq/
2
131
6 14

4
4.1

80km
238239240 8990

50
50
IAEA 2
134 137
50
1
2IAEATECDOC9551162

1 2 1 50

10-6/m
1
238239+240 89 90
50
238
0.027mSv
239240 0.12mSv
89
0.61Sv0.00061mSv
90
0.12mSv
2
134137
50
134
71mSv
137
2.0Sv2,000mSv
134137 50
50
134137
4.2
3 1120
239240 239 241104 240
6564 238877

0.026 238239+240
5 0.332.2
5

239+240 238
1 239240 05 Bq/
238

238239+240
238239+240

4.3
89 50.53 90 28.8
89

89
90 90
90 2.3950Bq/

8990 90
89 1.96.5 4.0
89
137 89
5.610-41.910-198103

137 90
90 137
90 1.610-45.810-226103
5
131


46044605
0352534111
0355101076

23 4 22
23 5 17

JPARC

50

238239240

21



8990

22



238239+240

1120
9
8
7

y = 0.0261 x + 0.1293
R2 = 0.7830

Pu-238 Bq/m2

6
5
4
3
2
1
0
0

50

100

150

Pu-239+240 Bq/m

200

250

11201,054
238239+240252239240
2380.0261

11201,054
238
0.498Bq/m2 8.0Bq/m2
239+240 17.8Bq/m2 220Bq/m2

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