sup.226Ra, .sup.228Ra and .sup.40K in scales from boilers of industrial installations von Braga Poggi, Claudia M, de Farias, Emerson Emiliano G, Silveira, Patricia B, Silva Filho, Crescêncio A, De França, Elvis J, Gazineu, Maria Helena P, Hazin, Clovis A

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226Ra, 228Ra and 40K in scales from boilers of industrial installations von Braga Poggi, Claudia M., de Farias, Emerson Emiliano G., Silveira, Patrícia B., Silva Filho, Crescêncio A., De França, Elvis J., Gazineu, Maria Helena P., Hazin, Clovis A.

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Radioactivity concentration in liquid and solid phases of scale and sludge generated in the petroleum industry von Paranhos Gazineu, Maria Helena, de Araújo, Andressa Arruda, Brandão, Yana Batista, Hazin, Clovis Abrahão, de O. Godoy, José Marcos

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