Each atomic cluster is made up of neutrons and protons.
每个原子团簇是由中子和质子组成的。
Neutrons and protons are bound together in the nucleus of an atom.
在一个原子的核内，中子和质子聚合在一起。
An atom itself is a complete whole, with its electrons, protons and neutrons and other elements.
原子本身是个整体，含电子、质子、中子以及其他组成部分。
This basic equation is used to describe how neutrons accumulate.
这个基本的等式是用来描述中子如何积累的过程。
All the isotopes of a given element have the same number of protons, but differ in their number of neutrons, and hence in their atomic mass.
给定元素的所有同位素都含有相同的质子数，但它们的中子数不同，因此它们的原子质量也不同。
We're also producing neutrons.
我们产生中子。
我们也产生中子。
This is sum of protons plus neutrons.
它是质子数加上中子数。
So, this has got protons and neutrons.
这里面有质子和中子。
A tritium atom has two extra neutrons.
氚原子多了两个中子。
But the neutrons, it doesn't matter about the neutrons.
但是它并不影响到中子。
The control rods are made of boron which absorbs neutrons.
控制棒是由能够吸收中子的硼元素制成。
It axiomatically must be 6 protons, and it has 7 neutrons.
它自然也是6个质子，有7个中子。
The upper plate absorbs neutrons, and the lower plate reflects them.
上平板用于吸收中子，下板可以反弹它们。
So we're looking only for the neutrons at energy E from this spectrum.
所以，我们不只在寻找能量E的中子,从这个光谱中。
Internal composition of protons and neutrons is not examined completely.
科学家尚未对质子和中子的内部构成形成完整的认识。
The Numbers 2, 8, 20, 28, 50 and 82 are magic for both protons and neutrons.
20,28,50和82这几个数字对于质子和中子来说是很微妙的。
These react to form helium, yet more neutrons and a whole lot more energy.
这些混合物发生反应后就形成氦元素，并同时生成更多的中子与大批量的能量。
In the core, uranium atoms are bombarded with free neutrons producing immense heat.
在核反应堆芯，自由中子连续撞击轴原子，从而产生大量热量。
So we get at the number of neutrons indirectly because we know the proton number here.
所以，我们可以间接得到中子数，因为我们知道质子数了。
And since we don't have to charge compensate, we can add or subtract neutrons at liberty.
因为我们没有电荷补偿，我们就可以随意地加上火减少中子。
In a nuclear reactor, it is essential that just the right number of neutrons are present.
在核反应堆中，保持合理数量的中子存在至关重要。
As the universe expanded and cooled, some of these particles merged to form neutrons and protons.
在宇宙的扩大与冷却的过程中，这些粒子的一部分渐渐融合并组成了中子与质子。
So they were baby neutrons, which were the only other neutral particles at the time that were known.
综上，中微子就是极小的中子，是它被发现以来除中子外唯一的中性粒子。
The fission process would be controlled using neutrons produced by a linear accelerator's proton beam.
该裂变过程会利用直线加速器质子束产生的中子加以控制。
It has 125 assistants to the neutron, it has 75 vice neutrons and 111 assistants to the vice neutrons.
周围有125个辅助中子，有75个副中子和，111个辅助副中子。
So this is the fundamental equation that we can write that describes how neutrons in fact do accumulate.
所以，这是基本的等式,那是我们能写下来描述中子如何,积累的过程。
Now, because we're only interested in those neutrons that end up with this energy going in our direction.
现在，因为我们不只对那些最后，是在这个方向上得到能量的，中子感兴趣。
Now K effective can be defined relatively straight forwardly by production of neutrons divided by losses.
现在，K有效能够相对直接地定义，由中子的产生除以损耗。
Now K effective can be defined relatively straight forwardly by production of neutrons divided by losses.
现在，K有效能够相对直接地定义，由中子的产生除以损耗。
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