Behavior of natural radionuclides in lignites and fly ashes
作者： M. Manolopoulou , C. Papastefanou
DOI: 10.1016/0265-931X(92)90005-E
关键词: Radiochemistry 、 Fly ash 、 Radionuclide 、 Isotopes of radium 、 Geology 、 Natural (archaeology)
摘要: The behavior of naturally-occurring radionuclides 238U, 226Ra, 210Pb, 228Ra (232Th) and 40K in lignites fly ashes is described. concentrations 226Ra 210Pb were increased with decreasing 40K, resulting an inverse relationship, whereas the concentration increasing 40K. In ashes, 238U enriched on smaller particles, while decreased. content two isotopes radium, 228Ra, also decreased finer particles ash but rate decrease for was found to be weaker than corresponding one as well above observations are discussed.
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