highly significantP < 0.01
Among the factors examined, the inclination angle B and its quadratic term B2 had highly significant effects ( P < 0.01), while rotational speed A and the interaction term AB showed significant influences ( P < 0.05).
Among the factors examined, the inclination angle B and its quadratic term B2 had highly significant effects ( P < 0.01), while rotational speed A and the interaction term AB showed significant influences ( P < 0.05).