A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.

这么大的原子核不可能是稳定的，但在足够长的时间内，在真空附近组装一个原子核以观察真空的衰变是可能的。

youdao

But, I've got a nucleus with 11 protons in it.

但是我知道它的原子核中有11个质子。

youdao

It has a nucleus at the center charged positively.

中心有个带正电的原子核。

youdao

If dark matter particles exist, scientists say, they should be able to observe a small amount of light given off when they hit the nucleus of a xenon atom.

VOA: special.2009.07.21

Because what it tells is that we can figure out exactly what the radius of an electron and a nucleus are in a hydrogen atom.

我们可以,准确的算出,氢原子中,电子。

麻省理工公开课 - 化学原理课程节选

The bacterium doesn't have a nucleus, and in fact, they don't have very well formed organelles in general.

细菌没有细胞核,实际上,细菌没有完善的细胞器

耶鲁公开课 - 生物医学工程探索课程节选

For a nucleus to spin at all, the total number of protons and neutrons it contains must be odd.

ECONOMIST: Medical imaging

CSN, is run under an agreement between a nucleus of shareholders.

ECONOMIST: The iron chancellor

As a consequence of this additional uncertainty, if the quantum demon makes a measurement of a nucleus which forces it to choose one state or the other, he is creating new information.

ECONOMIST: The cost of forgetting