Measurement and Monte Carlo simulation of c-ray dose rate in high-exposure building materials

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Natural radioactivity radionuclides in buildingmaterials, such as 226Ra, 232Th and 40K, cause indoorexposure due to their gamma-rays. In this research, in astandard dwelling room (5.0 m 9 4.0 m 9 2.8 m), withthe floor covered by various granite stones, wa
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