Mathematic modeling and experimental validation of macrostate quality expression for multicomponent in Chinese materia medica Studies on Cold Shock Stress Effect of Photosystem Ⅱ and Its Thermodynamics Analyse in Eggplant Studies on Cold Shock Stress Effect of Photosystem Ⅱ and Its Thermodynamics Analyse in Eggplant Heat shock stress on photosystem Ⅱ in white cucumbers probed by the fast fluoresence rise OJIP Effects of Heat Shock Stress on the Photosystem Activity of Tomato Fruit Surface Effects of Heat Shock Stress on the Photosystem Activity of Tomato Fruit Surface