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碳-14辐射防护监测设备
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碳-14辐射防护监测设备
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工学
碳-14辐射防护监测设备
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Carbon-14 monitoring equipment for radiation protection
碳-14辐射防护监测设备
碳-14的来源包括宇宙射线撞击空气中的氮-14(N-14)原子产生、重水堆的燃料和重水中的氧-17(O-17)以及环隙气体中的碳-13(C-13)、氮-14(N-14)等成分的活化、大气层核试验产物等。
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mechanical and biological treatment of municipal solid waste
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mechanical behavior in cellular degeneration
mechanical behavior in cellular degneration
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mechanical characteristics
mechanical characteristics of rock mass
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mechanical compliance
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