 Mathematical model  Regression coefficients  Fitting equation  Correlation coefficients  Mean square deviation  statistics   
 Equation (4.3)  0.046  −0.003  Equation (4.5)  0.99459  1.56085  2565  Equation (4.8)  −3.88  1.18  Equation (4.10)  0.99324  3.15600  1390  Equation (4.13)  −1.85  −0.026  Equation (4.15)  0.99253  1.45512  1720 

