SEARCH Articles Figures Tables Combination of External and Internal Diffusion Limitations Diffusion and External Mass-Transfer Resistance Diffusion combined with external mass transfer Diffusion effects external Diffusion in an External Force Field Electrical Precipitation Effect of external diffusion limitation External Mass Transfer and Intraparticle Diffusion Control External and internal diffusion External bilayer diffusion External diffusion limitations External mass transfer and intraparticle diffusion limitations External-diffusion regime External-diffusion regime regimes Externally imposed temperature gradient thermal diffusion Force field, external convective diffusion Heterogeneous reactions external diffusion effects Intraparticle diffusion external mass-transfer resistance Kinetics external diffusion limitations Mass external fluid film diffusion Semi-infinite External Spherical Diffusion The combination of external mass transfer and internal diffusion With external diffusion