|
|
|
|
|
S.S.N. Gamage,R.M.T.S. Ratnayake,A.M.A.D.M. Senadhira,D.A. Weerasinghe,V.A. Waduge
Naturally-occurring radionuclides deposited beneath the earth, which are referred to as "NORM" and other toxicnon-radioactive elements transported to the earth surface with the oil and gas production. Hence, knowledge of the prevailing background levels ...
ver más
|
|
|
|
|