SEARCH Articles Figures Tables Advection Advection-dispersal equation Advection-dispersion equation Advection-dispersion-reaction Advection-dispersion-reaction equation Advective Balance dispersion Balance equation Balance reactions Balanced equations reactions Balances control volume Control equation Control volume Dispersion control Dispersion controlled Infinite balanced equations Infinite volume Mass balance Mass balance equation Mass balance reaction Mass balancing Mass control Mass controlling Mass dispersion Mass equation Reaction balanced Reaction equations Reaction volume Reactions balancing Small volume The Dispersion Equation The Mass Balance Equation The mass balance Volume equation