untitled1 200 33% 100 kW 3kg 1kg 2kg 800g 1 4 1 1000 25 1986 4 26 1984 2 2 30km 13 5000 3 60 3 300km 20 200 Cs-137 Cs-137 800 3 (galaxy) 0 10 20 30 40 50 60 70 80 10 –5 10 –4 10 –3 10 –2 10 –1 10 0 1986 4 26 [Bq/m 3 ] 4 70 DNA 1 23 DNA 1 2 2 60 DNA DNA (T) (A) (G) (C) 4 DNA T-A G-C DNA 4 eV keV MeV 1999 9 30 18 1.7 12 5 (1) 2005 30 (2) 40 6 (AEC) (3) 1957 3 50 kW 17 kW 70 1 360 2 5000 1 2000 7 WASH-740 9
