“polonium-beryllium neutron source”的概念、定义、翻译、参考文献-科学参考

单词	polonium-beryllium neutron source
释义	polonium-beryllium neutron source Encyclopedia 理学原子核释 polonium-beryllium neutron source钋-铍中子源利用钋-210（210Po）衰变时放出的α粒子去轰击铍（Be）核发生(α,n)核反应，从而放出中子的装置。是α中子源的一种。
随便看	recursion theorem recursion theorem with parameters recursion theory recursion theory on ordinals recursive recursive algorithm recursive analysis recursive arithmetic recursive call recursive-combinative formulation recursive comprehension axiom recursive computation recursive construction recursive convergent sequence recursive definition recursive degree recursive-descent parsing recursive digital filtering recursive edge graph recursive enumerable grammar recursive equation recursive equivalence recursive equivalence type recursive estimation recursive estimation algorithm

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