uranium isotope 中文意思是什麼
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Study of isotope technology in regional hydrogeologic comprehensive assessment, uranium deposit no
511鈾礦床區域水文地質綜合評價中的同位素技術研究 -
Standard test method for determination of uranium content and isotopic composition by isotope dilution mass spectrometry
用同位素稀釋質譜法測定鈾含量和同位素成分的標準試驗方法 -
For in ordinary uranium there is much more of the u238 isotope than there is u235 and, as you know, u238 will not undergo fission easily
因為在普通鈾中,鈾238同位素要比鈾235多得多,而且正如你所知,鈾238不易裂變。
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