Transcription of 放射能に関する基礎知識 - nanoscience.co.jp
1 1 2011 3 11 (1) (2) (3) 1 (4) 100 (5) 500 (6) 5000 (7) 2 1.
2 10 10 100km 1974 50 2. 3 1 [1] 1 1 1g 1kg [1]
3 X 0 1 1 1 50 48 50 1kg 50 = 12 1 1g 1oC 12 1kg ( ) 1 1 ( 1) 4 1. [1] ( ) x 20 1 20 1 1 5 2.
4 [1] = 1 x 1 + 2 x 2+--- ( ) [4] 6 2 2 = 2 x = 2 mSv mSv 3. 1 1/1000000, 1/1000 1 1000 1 m 100 cm 1000 mm 10 7 567 (i) 567 567 =567/1000 = (ii) = 1000 = 1250 567 567 1250 4.
5 50km 50km 50km 50km 2 100 km 30 25 50km 50 50km 50 50km 50km 3 2011 3 18 8 3. 3 50 50 50 50 9 ( ) ( ) x 24( ) x 7 ( )
6 = 2100 x 24( ) x 7 ( )= 203 1 5. [2,3] DNA DNA DNA DNA 3 5 10 [3]
7 1945 20 8 6 8 15 1950 2000 49000 204 94 1000 5 [3] 100mSv 020406080100100mSv-200mSv200mSv-500mSv50 0mSv-1000mSv1000mSv-2000mSv 11 [3] 300-449 / ICRP 100mSv ICRP 100mSv 100 mSv H J X 100 10 100 67 100 38 DNA 12 100-200
8 2 [2] 100 100 [5] 5 [6] 5(a) a y X 9 b Gy 5(b) [6] 5(a) ) 13 a X /h(a) 5(a)(b) 5. [6] 5(b) 5(a) 5(b) (a) 14 311010/Gy h 310/Gy h 311010/Gy h 710 410 5(a)
9 5 5000 500 1 x 665 10243655 10570/24 365 GyxhrdayxGy hr 10243655 1057/24 365 GyxhrdayxGy hr 570/Gy hr 2 2 5 2 hr hr 2 15 100 6.
10 7. 1 1 50000 48 10000 5000 1000 150 100 50 X 50 10 7 X CT ( ) 16 8. 1 100 140 100 [7] 9. ( ) 3 1 100 /hr /hr 17 500 500 500 [8]
