THE PROBLEM THEORETICAL ISSUES OF SORPTIONAL AND DESORPTIONAL MASS EXCHANGE UNDER WATER MIGRATION OF SUBSTANCES INTO SOILS
The analysis of the known scientific statements on sorption-desorptional phenomena as applied to the pore-fissured soils shows a number of problem issues, for those it has been proposed some solutions. First, it is concern the mechanisms of mass exchange under the equilibrium and non-equilibrium migration of radioactive nuclides as well as sorption parameters and, particularly, desorption ones. So the intensity for the intra-soil mass exchange, the transformation mechanisms for the proposed fixed forms of substances into the exchangeable ones, exchange capacity, and limit concentration of substances in soil from the point of view their manifestation, finally the issue of quasi-equilibrium investigated media are important too.