No Title  |POLVER05_1
f(T) = x1 * P1 + x2 * P2 - 760 #
P1 = 10 ^ (6.85221 - 1064.63 / (T + 232.0)) #
P2 = 10 ^ (6.87776 - 1171.53 / (T + 224.366)) #
x1 = 0.1 #
x2 = 0.9 #
T(min)=36, T(max)=70