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钚-铍中子源
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钚-铍中子源
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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。
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police legislation
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Police Literature and Arts Association of China
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