Simulation of radionuclides vertical migration was successfullyimplemented in the first versions of SPS (Simulation of Processes in Soil) software and was based on a numerical solution of the mathematical model of interconnected heat and moisture transfer in one dimension. But in order to solve problems of a comprehensive assessment of the state of the biosphere under radionuclides po... https://foldlyers.shop/product-category/162mm-diameter/