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Quarry Products Nigeria

2019-7-9OF QUARRY PRODUCTS FROM SOUTH EASTERN NIGERIA . B C Eke1 and H U Emelue2. 1Department of Physics, Federal University of Technology Owerri. 2. Department of Physics, Alvan Ikoku Federal College of Education Owerri. Abstract . The naturally occurring radioactivity concentrations of . 40. K, 238. U and . 232. Th in quarry samples from different.

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