The main reason that restricts the increase of fast reactor burnup is the irradiation swelling of the cladding. The reported research shows that the main elements and trace alloy/impurity elements have a great influence on the irradiation swelling. However. the behavior of the above elements in the process of coupling with irradiation defects is complex. https://www.thegreensjunglebeautyshops.shop/product-category/makeup-palette/