= ⁄ 1 , ℎ ℎ ∆ ̅ , 2 ∆ ̅ , ∆ ̅ ℎ ∆ ̅ ℎ Δ ̅ , , , = ( ) ( ) (− ) , 2 ℎ ∆ ̅ , 1 , ℎ ∆ ̅ , 2 ∆ ̅ ℎ ∆ ̅ ℎ Δ ̅ , 1 , 1 = , ( ) ( ) (− ) , 1 , ( ∆ ̅ ℎ ) Copyright © Advanced Nuclear Technology International Europe AB, ANT International, 2019.