| 1. | This is the stabilization of the neutron .
这就是中子的稳定性。 |
| 2. | The escape of neutrons occurs at the exterior of the uranium(or plutonium)material .
中子的逸漏发生于铀（或钚）块的外表面。 |
| 3. | The attenuation of neutrons from a nuclear explosion involves several different phenomena .
核爆炸中子的减弱包括几种不同的现象。 |
| 4. | The minus sign indicates that the work done by the force decreased the kinetic energy of the neutron .
负号表明这个力所作的功降低了中子的动能。 |
| 5. | A rudimentary description of a nucleus consists in specifying the number of protons and neutrons it contains .
对某个原子核的初步描述，在于确定它所含的质子和中子的数目。 |
| 6. | In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei .
第一，平均来说原子核愈轻，每次碰撞后中子的能量损失分额就愈大。 |
| 7. | In addition, somewhat less than 1 percent of the fission neutrons, called the "delayed" neutrons, are emitted subsequently .
此外，还有一些约少于1的叫做“缓发”中子的裂变中子，随后被发射出来。 |
| 8. | Protons and neutrons have about the same mass
质子和中子的质量差不多相等。 |
| 9. | Neutrons act differently from protons
中子的作用不同于质子。 |
