k1 = 1 
k2 = 3e-06 
k3 = 18 
k4 = 0.15 
k5 = 0.0052 
k6 = 20 
k7 = 17 
k8 = 20 
k9 = 40 
k10 = 60 
k11 = 1.8 
k12 = 0.1 
k13 = 0.08 
k14 = 0.006 
k15 = 0.006 
k16 = 0.7 
k17 = 0 
k18 = 0 
k19 = 12 
k20 = 0 
k21 = 500 
k22 = 1.4