TEM Sensitivity analysis Nuclear fuels MEB Mixing Point defects Electrical conductivity Numerical simulations Fission products Nuclear Nuclear fuel Gamma-ray spectroscopy Fission Line identification Gamma rays RNR-Na Homogénéisation Modélisation A posteriori error estimation Differential Die-away Technique DDT Matrix effect correction Sodium Cesium Nuclear fuel reprocessing Uranium UO2 Diffusion Fission product Combustible à particules Molecular processes Neutron detector Silicon carbide Precipitation Modelling Sodium Fast Reactors High temperature Monte Carlo simulation Discrete element method Dioxyde d'uranium Frittage Corium Dismantling Neutron flux Photofission Microstructure Astrochemistry CFD Optimization Uranium dioxide Plutonium Computer simulation Fission reactor instrumentation Ablation Radioactive waste packages Computer experiment ISM molecules Radioactive waste characterization Neutron sources Combustible nucléaire Automatic mesh refinement Nuclear reactor Neutron detection Liquid metal fast breeder reactors Radioactive wastes Irradiation Feasibility studies Monazite SiC Metamodel Neutron interrogation Radioactive waste Ti3SiC2 Pressurized water reactor Microstructure-final Radioactivity Detectors Inductors Fragmentation Uncertainty Optimisation Simulation Uranium oxides Sintering Neutrons Fission chamber Monte Carlo methods Defects SFR Matrix effects Radiation effects Oxidation Ceramics Electrostatic calculations Particle shape Krypton AFM ISM abundances Actinides Fast reactor Heavy ions