BRAMKI, A; RAMDHANE, M; BENRACHI, F
(Université Frères Mentouri - Constantine 1, 2013-12-16)
The natural radioactivity is omnipresent everywhere in the Earth’s crust. The
ground is not composed solely of organic and inorganic matter, but also radio nuclide like
uranium, thorium, radium and potassium-40.These ...