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青海省建筑材料放射性水平李玉芝，王合迅，张全禄，倪建青，曹明魁（青海省劳动卫生放射卫生监督监测所，西宁８１００１２）建筑材料中的放射性物质主要来源于铀系、社系和天然钾，它不仅是构成室内γ辐射场的主要因素，而且是室内空气中氡的主要渊源之一，并对集体剂量...
Radioactive levels of building materials in Qinghai Province LI Yuzhi, WANG Hexun, ZHANG Quanlu, NI Jianqing, CAO Mingkui (Qinghai Labor Health Radiological Surveillance and Monitoring Institute, Xining 810012) The radioactive materials in building materials are mainly derived from uranium series, social system and natural potassium. Is the main factor that constitutes the indoor gamma radiation field, and is one of the main sources of radon in indoor air, and the collective dose ...