... hindered alpha decay 受阻阿伐衰变 alpha decay energy 阿伐衰变能 ; 衰变能量 radioactive alpha decay 放射性阿尔法衰变 ...
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但核反应堆产生大量的核废物需要处理，而且核废物的存放既构成对人类及其环境的巨大威胁，又造成核废物所含剩余衰变能量的浪费。
But the nuclear rubbish produced by the nuclear reactor, which is to do harm to the people and environments and also waste the remain disintegration energy, is hoped to be well disposed.
“这些生物从一个我们从未想到的来源获取能量，”McKay惊叹，“南非的极端微生物细菌吃的是岩石里不稳定原子衰变时的放射能。”
"These creatures get their energy from sources we never imagined," McKay exclaims. "the South African extremophile bacteria are powered by the radioactive decay of unstable atoms in the rocks."
这是因为放射性核素在这巨大的爆炸能量中形成，其中一些放射出正电子而衰变。
This is because radioactive nuclear elements are formed in the giant outbursts of energy, and some of these decay by releasing positrons.
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