Simulation studies of the separation of Kr-85 radionuclide gas from nitrogen and oxygen across nanoporous graphene membranes in different pore configurationsS. Mahmood Fatemi, Hamid Sepehrian and Masoud ArabiehEur. Phys. J. Plus, 131 5 (2016) 131DOI: https://doi.org/10.1140/epjp/i2016-16131-6