> 0.57 ⁄ 1 2 ⁄ > 0.5 1 2 ⁄ ⁄ = 0 = 0 . 8 1 2 1 2 2 1 ⁄ = 1 3 ( + ) ℎ 2 1 Copyright © Advanced Nuclear Technology International Europe AB, ANT International, 2019.