No Title  |POLVER05_0 |1
k = 12 
Cao = 0.1
alpha = 0.037 
d(p) / d(W) = -alpha/2/p 
p(0) = 1
yao = 1  
W(0) = 0
Cc = Cb
Cb = Cao*X*p/2
W(f) =27
Ca = Cao*(1-X)*p
ra = -k*Ca^2 
d(X) / d(W) = -ra/Fa0 
X(0) = 0
Fa0 = Cao*vo
vo=7.15