Table 1. Track density, Sample concentration, Radium effective concentration, surface and mass exhalation rates and uranium concentration for building material samples of the same mass

From

Measurement of Uranium Concentrations, Radium Content and Radon Exhalation Rate in Iraqian Building Materials Samples

Abdalsattar K Hashim, Laith A. Najam

International Journal of Physics. 2015, 3(4), 159-164 doi:10.12691/ijp-3-4-4