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家园 供参考---钚的毒性在wiki的解释中不是很严重

http://en.wikipedia.org/wiki/Plutonium

另外钚作为核燃料也不是特殊的

* Over one third of the energy produced in most nuclear power plants comes from plutonium. It is created in the reactor as a by-product.

* Plutonium has occurred naturally, but except for trace quantities it is not now found in the Earth's crust.

* There are several tonnes of plutonium in our biosphere, a legacy of atmospheric weapons testing in the 1950s and 1960s.

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