原子内的一个中子衰变后会产生一个质子、一个电子和一个中微子。
When a neutron inside an atom decays, it produces a proton, an electron, and a neutrino.
由于原子内的质子数与电子数相同,所以原子不带电荷。
Atoms have equal Numbers of protons and electrons, so have no net charge.
核能是由原子内的铀发生链式反应而释放的能量——这个过程叫做裂变。
Nuclear power is produced by harnessing the heat produced by the splitting of atoms inside uranium - a process known as fission.
We're saying the probability of from the nucleus in some very thin shell that we describe by d r.
某一非常薄的壳层dr内,一个原子的概率,你想一个壳层时。
Then we're going to actually use MO theory to describe bonding within these molecules, and we'll start with homonuclear diatomic molecules.
然后我们要利用MO理论,来描述这些分子内的成键,我们要讨论同核双原子分子。
What does that mean? Well, it means that, you know, there's maybe, let's say, that in the next 24 hours it will break down.
这意味着什么 好的,这意味着,就是说,有可能,这个原子会在未来的二十四小时内分裂
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