The free neutrons can bombard other nuclei, leading to a series of fissions called a chain reaction.

自由中子可以轰击其它的核，导致一系列的裂变，称为链锁反应。

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Gunderson's team examined individual cells in the wasting muscles and found that there is apoptosis going on, but that other cells are dying, not the muscle fibers or their extra nuclei.

甘德森的小组检查了老化肌肉中的细胞个体，发现虽然的确有一些细胞死亡，但另一些细胞却没有完全死去，肌肉纤维或增加的细胞核也没有消失。

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Fusing heavy hydrogen isotopes requires lots of energy, partly because the nuclei are positively charged and repel each other.

融合重氢同位素需要大量能量，部分原因是因为原子核带正电并相互排斥。

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Beryllium-10 can be produced in the Sun when highly energetic protons bombard the nuclei of other elements like carbon and oxygen.

BBC: Apollo samples reveal Moon's origin

When the gold nuclei smash into each other they are broken down into particles called quarks and gluons.

BBC: Artist's representation of a black hole,