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[期刊论文] 作者：John G. Farmer,Joanna M. Cloy,,
来源：中国地球化学学报：英文版 年份：2006
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Determining depleted uranium (DU) contamination in soils and salt marsh sediments in the vicinity of
[期刊论文] 作者：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：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...
[期刊论文] 作者：Sanderson,Joseph Melone,John G. Farmer,Christoph Schnabel,Helfrid Rossiter,,
来源：Chinese Journal of Geochemistry 年份：2006
The use of peat and sediment cores to reconstruct historical trends in levels of environmental contamination, or to provide palaeoclimatic information, depends...
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