The main structural elements of the two-component NES models: a) Option 1; b) Option 2

  Part of: Andrianov AA, Kuptsov IS, Osipova TA, Andrianova ON, Utyanskaya TV (2019) Optimization models of a two-component nuclear energy system with thermal and fast reactors in a closed nuclear fuel cycle. Nuclear Energy and Technology 5(1): 39-45.