دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A measure of how reactive to water a clay mineral is.

related to concentration of cations on negatively charged clay surfaces that, when brine is present, can be exchanged/satisfied for/by cations in the brine. The total of exchangeable cations that a porous medium can absorb, expressed in moles of ion charg