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[期刊论文] 作者:Angus B. MacKenzie,David C.W., 来源:中国地球化学学报:英文版 年份:2006
[期刊论文] 作者:Pulford,Angus B. MacKenzie,, 来源:Chinese Journal of Geochemistry 年份:2006
Tyndrum was an industrial mining area from1741until the1920s where the main ores extracted were lead sulphide(galena)and zinc sulphide(sphalarite).Situated in c...
[期刊论文] 作者:Oliver,Angus B. MacKenzie,Rob M. 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: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:Angus B. MacKenzie,David C.W. Sanderson,Joseph Melone,John G., 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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