Initial concentrations, global quantities and volumes, and estimated parameters for P2b.

Estimated model parameters for stress with 4 different concentrations of KCl. All other Ls could be set to 0 without affecting the goodness of fit.针对4种不同浓度的氯化钾（KCl）的应力模型参数估计结果。其余所有L参数均可设为0，且不会影响拟合优度。