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降低建材碳化砖放射性水平的研究贾成铁，翟云，程俊良，徐翠华建材所含有的天然放射性水平与人类健康关系密切。对此，７０年代以来，国内、外的注意力都关注到可控源超限值的控制。我国自８０年代初已在建材放射性水平广泛深入调研和立法管理标准建制两个领域达到了国际...
Research on Radioactivity Reduction of Building Materials Carbonized Brick JIA Cheng-Tie, ZHAI Yun, CHENG Jun-Liang, XU Cui-Hua Natural building materials contain natural radioactive levels that are closely related to human health. In this regard, since the 1970s, both domestic and foreign attention paid attention to the controllable overrun of controllable sources. Since the early 1980s, China has made extensive research and development in radioactive levels of building materials and has reached the international ...