les mines de carbonate de calcium pakistan,
The Environmental Behaviour of Radium - IAEA Publications
PaKisTan. Palau. Panama. PaPua neW guinea. Paraguay. Peru. PhiliPPines ... many places, arising mainly from uranium, phosphate and even gold mining .. [1.2] Tsivoglou, e.C., BarTsCh, a.f., rushing, d.e., holaday, d.a., effects of ... decreases with increasing concentrations of dissolved calcium. however, Beneš et al.