SEARCH Articles Figures Tables Diffuse-porous Diffusion in solids Diffusion of Gases in Porous Solids and Capillaries Diffusivities in solids Diffusivity in porous solids Knudsen Diffusion in Porous Solids Measurements of diffusion in porous solids Porous solids Steady-State Binary Molecular Diffusion in Porous Solids