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3 4 2 2011 5 17 19 6 10 143 7 16 19 2
h-naka@io.ocn.ne.jp 5 1718 3
S 134 20500Bq/kg 137 218000Bq/kg 134 5400Bq/kg 137 6200Bq/kg 131 134 137 134 137 134213730 137β1371373 γ 137 βγ 137 Ⅰ Ⅰ 4
µsv/h µsv/h µsv/h γ 134 137 B / m ( )µsv/hµsv/h http:// gunma.zamurai.jp/pub/2-11/18junejd.jpg 5
134 137 cm m cmm 6
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1 µ 2 µ 3 µ 4 µ 5 µ 9
1904-1986 polyvinyl alcohol; PVA 2 10
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PVA PVA PVA 19
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cm ( ) 22
µ µ 23
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134,137 β γ β γ γ ( ) γ () 25
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134 137 1 2 3 1 2 1 4 2 27
3 28