Several methods of destructive post-irradiation examination(PIE) including microstructure observing and measurement of mechanical properties of irradiated fuel rod were introduced.

介绍了现在通行的燃料棒辐照后破坏性检验的一般方法，包括燃料辐照后的微观结构观察和力学性能试验；

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Given the large quantity of irradiated nuclear fuel in the pool, the radioactivity release could be worse than the Chernobyl nuclear reactor catastrophe of 25 years ago.

由于池中有大量的辐照核燃料，放射性释放可能比25年前的切尔诺贝利核反应堆灾难更糟。

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Once electricity is lost, the irradiated nuclear fuel could begin to melt down.

一旦电力用完，辐照核燃料会逐渐融化。

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The Pakistan Atomic Energy Commission says the country's two plants both observe international safeguards which prevent irradiated fuel from being used in nuclear weapons development.

BBC: Pakistan opens Chinese-aided nuclear plant

The irradiated fuel can then be unloaded from the reactor, the U-233 separated from the thorium, and fed back into another reactor as part of a closed fuel cycle.

FORBES: Is Thorium the Biggest Energy Breakthrough Since Fire? Possibly.

Once the MOX fuel assemblies have been irradiated in commercial power reactors, the plutonium can no longer be readily used for nuclear weapons.

FORBES: Japanese Official: Most Dangerous Reactor May Have Ruptured, Leaking Radiation