核素Nuclide | 原子密度Atomic density/atoms/barn-cm |
10B | 1.3465 × 10−2 |
11B | 5.4542 × 10−2 |
12C | 2.2261 × 10−2 |
28Si | 3.6583 × 10−3 |
29Si | 1.8584 × 10−4 |
30Si | 1.2265 × 10−4 |