1 T / s 2 2 2.0 7 6 1.8 1.6 5 W/N T /s 2 2 1.4 1.0 0.45 2.0 0.90 3.0 1.35 1.2 4.0 1.80 1.0 6 . 1 4 . 0 m . 0 453 0.8 5 . 3 . 0 85 0.6 0.4 4 0.2 3 2 W / N 0 1 2 3 4 30