A note on diffusion in finite composite media.
TAMOTSU KOIZUMI, Masawo Kakemi, Kazunori Katayama, H. Ohtani · Chemical and Pharmaceutical Bulletin · 1983
Mathematical expressions for diffusion in finite composite media were derived analytically. The fact that, contrary to infinite cases, the interface concentration drifts with time was confirmed. The time course of a finite composite system was displayed graphically.