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TítuloAssessment by portable gamma spectrometry of external gamma radiation hazard due to granitic materials and indoor space typology

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Academic year: 2020

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Figure

Figure 1. Images illustrative of the indoor space typology: (a) type A spaces, where granite  is the dominant material in all the space elements (floor, walls, ceiling); (b) type C spaces,  where there are granite applications but other materials are as ab
Figure 2. Recorded spectra for measurements A2, B2, C1, and D with indication of the  emission bands of  40 K (1.461 MeV),  214 Bi (1.764 MeV), which is used for the estimation of
Figure 4. Dendrogram (Ward’s method) obtained from the standardized estimations from  portable  gamma  spectrometry  of  K,  eU,  and  eTh
Figure 5. Principal components plot (PC1-PC2) of measurements in different room types

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