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单词 nuclear decay
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And although these electrons come from nuclear decay, they’re the same kind of electrons that orbit a standard nucleus.

尽管这些电子来自核衰变,但它们与围绕标准原子核运行的电子是同一类电子。

穿越星际秘境

It would have to generate significant heat from nuclear decay in  its core, yet Pluto is smaller than our own moon.

它必须从其核心的核衰变中产生大量的热量,但冥王星比我们的月球还要小。

PBS访谈环境系列

And the energy could come from radioactive nuclear decay from the planet's interior. The planet is very dark, which they think indicates carbon-rich compounds on the surface.

能量可能来自行星内部的放射性核衰变。这颗行星非常黑暗,他们认为这表明地表富含碳化合物。

化学 Crash Course

Like we saw last week, uranium undergoes many different types of nuclear decay, so not only does each uranium atom produce isotopes of krypton and bromine, but that process also produces many other isotopes of other elements.

就像我们上周看到的那样, 铀会经历许多不同类型的核衰变,因此每个铀原子不仅会产生氪和溴的同位素, 而且该过程还会产生其他元素的许多其他同位素。

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