元素Element

原子核密度Nuclear density/(atoms/barn-cm)

Si

1.6134 × 10−2

O

4.4980 × 10−2

H

2.5307 × 10−2

B

1.79862 × 10−7

Al

3.8143 × 10−5

Fe

6.9639 × 10−6

Ti

1.0153 × 10−5