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>The Activity Concentration of Natural Radionuclide (226Ra, 232Th and 40K) and the Annual Effective Dose from Different Consumption Water Sources in Phosphate Polluted Area. M. H. El-Zayat * M. El-Zohry. * Ph.D. of Physic, Ministry of Education, Egypt. Physics Department, Sohage University, Egypt.
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The Activity Concentration of Natural Radionuclide (226Ra, 232Th and 40K) and the Annual Effective Dose from Different Consumption Water Sources in Phosphate Polluted Area. M. H. El-Zayat * M. El-Zohry. * Ph.D. of Physic, Ministry of Education, Egypt. Physics Department, Sohage University, Egypt.