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标题:Actinium-227 as a deep-sea tracer: sources, distribution and applications
时间:2019-02-11 11:06:02
DOI:10.1016/S0012-821X(02)00512-5
作者:Geibert, W;Rutgers van der Loeff, M. M;Hanfland, C;Dauelsberg, H.J
出版源: 《Earth & Planetary Science Letters》 ,2002 ,198 (1) :147-165
摘要:Actinium is one of the rarest naturally occurring elements on earth. We measured its longest-lived isotope 227Ac (half-life 21.77 yr) for the first time in...
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