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

单词	plutonium-beryllium neutron source
释义	plutonium-beryllium neutron source Encyclopedia 理学原子核释 plutonium-beryllium neutron source钚-铍中子源利用钚-239（239Pu）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	nontrivial fiber bundle non-trivial functional dependency nontrivial graph nontrivial group nontriviality nontrivial line bundle nontrivial representation nontrivial restriction nontrivial section nontrivial set nontrivial solution non trivial subgroup non-trivial subgroup nontrivial subgroup non trivial subspace non-trivial subspace nontrivial subspace nontrivial symmetry nontrivial valuation nontrivial value nontrivial zero non-truck operating common carrier Non-Truth-Conditional Semantics Nontsikelelo Veleko nontuberculous mycobacteria

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