partial microscopic diffusion control (encounter control)
https://doi.org/10.1351/goldbook.P04416
See:
microscopic diffusion control
Sources: PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2517 [Terms] [Paper] PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 173 [Terms] [Paper]