≠ | | | | zr | | 1.5 | | | | 中子 | | | | 3% -235 90% | -235 | | | | -131 -137 铯 -90 锶 -139 钚 | a βr a | | r x | | | -131 -131 | 8.3 3 | -137 -131 | 30 | -90 29.1 | | -90 | -139 | | 10 | 1. 1957 10 10 | | | 120 | 2. 1966 1 15 | B-52 KC -135 | 3100 | 4 2 | 3000 3 | 4 7 | 3. 1968 1 21 | B-52 | | | 4. 1970 12 18 | | 900 300 | 居里 8000 | | 5. 1979 3 28 | 2 | 47% | | 6. 1985 8 10 K-431 | | 10 49 | 7. 1986 4 28 | 4 8 | 30 | | 8. 1978 9 13 -137 | -137 | 14 | 4 | 9. 1993 4 6 -7 | | -7 | | 10. 1999 9 30 | jco 18.8% | 16 2.9 | r 350 | 10 | | 2011 1 | 442 | 16% | 65 | 104 58 | 54 32 21 20 19 18 17 15 13 | | 60 | 2030 | 300 | | 4 | | 38 | 1954 | | | 242 | 17 | | 1990 | 2004 17% 4% | | 21 | | | | | | | | | | | | 1985 3 1991 6 | 30 | | | 13 | | | | | | 13 30 90 | | | |