burnup calculationsThe Effect of Errors in the Neutron Flux Density on the Uncertainties of Nuclear Concentrations of Nuclides Arising During the Calculation of Fuel Burnup in Cells with Different Neutron Spectra 6/20/2022 2022 - #02 Modelling processes at nuclear facilities Pisarev A.N. Kolesov V.V. Kolesov D.V.