SEARCH Articles Figures Tables Attempts to observe spin diffusion directly Diffuse/direct radiation Diffuse/direct radiation diffusion Diffuse/directional integrating sphere Diffuse/directional measurement Diffusion Direct-current plasma source Diffusion Directed search Diffusion equation direct solution Diffusion layer future direction Diffusion mechanism direct Diffusion, directed metal oxidation Diffusivity as a Function of Direction Diffusivity directionally-dependent Direct current polarography diffusion Direct diffusion Direct diffusion Direct diffusion mass spectrometry Directed bonds versus diffuse bonding Experiments for the Direct Observation of Proton Spin-Diffusion Scattering directional diffusion coefficient Spin diffusion direct observation