Relative loss in the fuel burn-up as a function of the erbium content in fuel: 1–18-month life; 2–24-month life.

 
 
  Part of: Alassaf SH, Savander VI, Hassan AA (2020) Use of erbium as a burnable absorber for the VVER reactor core life extension. Nuclear Energy and Technology 6(4): 275-279. https://doi.org/10.3897/nucet.6.60563