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[期刊论文] 作者:Margaret C. Graham,John G. Far, 来源:中国地球化学学报:英文版 年份:2006
[期刊论文] 作者:Ellam,Margaret C. Graham,John G. Farmer,, 来源:Chinese Journal of Geochemistry 年份:2006
In its natural state uranium has three isotopes; 238U (99.27 atom % abundance), 235U (0.72%) and 234U (0.0055%), with the 235U∶238U activity ratio having a con...
[期刊论文] 作者:Margaret C. Graham,John G. Farmer,Ian W. Oliver,Angus B. MacKenzie,Robert M. Ellam,, 来源:Chinese Journal of Geochemistry 年份:2006
Natural uranium has three isotopes, 238U, 235U and 234U, with natural abundances of 99.27 atom %, 0.72% and 0.0055%, respectively. Only 235U is fissile and the...
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