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【摘 要】
：
In this work,concrete with different percentage leads was used to study gamma-ray shielding properties. The gamma-rays from ~(137)Cs and ~(60)Co sources were de
【机 构】
：
Department of Physics Faculty of Sciences,University of Mohaghegh Ardabili,P.O.Box 179,Ardebil,Islam
【出 处】
：
Nuclear Science and Techniques
【发表日期】
：
2012年04期
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