| 1. | Alpha particles are positively charged helium nuclei obtained from natural radioactive decay .
粒子是从天然放射性蜕变得到的带正电的氦核。 |
| 2. | Standard theory predicts that two neutrinos are produced for every fusion of four protons into a helium nucleus .
标准理论预言，在由四个质子变成一个氦核的每一次聚变过程中要产生两个中微子。 |
| 3. | To take place . in this reaction , three helium nuclei will fuse together to form a carbon nucleus
为止，即把三颗氦原子核结合为一颗碳原子核。 |
| 4. | Similar to other main sequence stars , hydrogen nuclei will be fused to helium nuclei in the core
和其他恒星一样，大质量恒星会在主序阶段把氢转化为氦。 |
| 5. | The core meanwhile will reach a temperature of 100 million degrees kelvin , and the helium nuclei will begin fusing into carbon nuclei
在此期间核心温度会达到1亿k ，氦原子核将开始聚变成碳原子核。 |
| 6. | A particles , identical to helium nuclei , are positively charged particles consisting of two protons and two neutrons
粒子带正电荷，由两粒带正电荷的质子和两粒中性的中子组成，相等于一个氦原子核。 |
| 7. | When a star is at the main sequence stage , its interior continuously fuses four hydrogen nuclei i . e . protons into one helium nucleus
在主序星阶段，恒星内部不断把四粒氢原子核即质子融合成一颗氦原子核。 |
| 8. | Particles , identical to helium nuclei , are positively charged particles consisting of two protons and two neutrons
粒子粒子带正电荷，由两粒带正电荷的质子和两粒中性的中子组成，相等于一个氦原子核。 |
| 9. | Which turns four hydrogen nuclei to a helium nucleus . the star will have a convective shell and a radiative core just like our own sun see
进行，将四颗氢原子核结合为一颗氦原子核，恒星会有辐射核心和一个对流外壳就像我们的太阳。 |
| 10. | The cosmic rays are mainly made up of high energy protons , plus some helium nuclei and heavy charged particles and ions , with atomic number equal to or greater than 3
宇宙射线的主要成份是高能量的质子，其次是氦原子核及少量原子序数3或以上的重粒子和离子。 |
