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Fig. 3 | Geothermal Energy

Fig. 3

From: Water–rock interactions in the Bruchsal geothermal system by U–Th series radionuclides

Fig. 3

Several successive transformations within the 232Th decay series for the Bruchsal brine: The dotted lines represent the simulated time-dependent evolution over activities of 228Ra and its daughters (228Ra → 228Ac → 228Th → 224Ra). Time after sampling (t) is found on the x-axis. Measured activities at the times of measuring t1 and t2 are plotted as dots. Calculations were performed by means of a CAS software (PTC Mathcad)

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