Effects of Diethyl Phthalate Exposure on Biochemical Indexes and Tissue Structure of Kidney and Gill in Carps Responses of Antioxidant Defense System of Lespedeza davurica to Enhanced UV-B Radiation Molecular biomarkers in aquatic organisms in relation to the oxidative stress imposed by environmental pollutants Involvement of Antioxidant Defense System in Drought and Chilling Comprehensive Resistance Formation in Different#br#Resistant Varieties of Tobacco Seedlings The responses of antioxidant defense system at different developmental stages of spring wheat to gradual drought stress in field Dynamic responses on anti-oxidative defense system and lipid peroxidation of Lespedeza davurica to drought stress and re-watering Dynamic Responses of Antioxidative Defense System of Lespedeza davurica to Drought and Enhanced UV-B Radiation