“Carbon-14 monitoring equipment for radiation protection”的概念、定义、翻译、参考文献-科学参考

单词	Carbon-14 monitoring equipment for radiation protection
释义	Carbon-14 monitoring equipment for radiation protection Encyclopedia 工学碳-14辐射防护监测设备释 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。
随便看	sealing material with special media resistance sealing off channel sealing structure sealing technique of vacuum electronic device sealing up seal inscriptions seal memorial to the throne seal mineral material seal of chairman of China Civil Rights Protection League seal of compressor Seal of Empress Seal of Imperial Concubine Li Seal of Imperial Concubine Shao Seal of the Central Executive Committee of the Soviet Republic of China seal pressure control system sealprint examination seal running test Seals Seals and Inscriptions by Chinese Calligraphers and Painters Seals Carved by Tong Changling seal scripts seals made by Cheng Sui seals made by Deng Shiru seals made by Ding Jing seals made by He Zhen

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