Effects of combined elevated temperature and drought stress on anti-oxidative enzyme activities and reactive oxygen species metabolism of Broussonetia papyrifera seedlings Effects of high voltage electrostatic fields on protective enzyme activity in wheat plants and on the population dynamics of Sitobion avenae fabricius (hemiptera:aphididae) Relationship Between Vigour of Seeds and Age of Old Platycladus orientalis Physiological and Biochemical Responses of Leaves and Roots of Alfalfa(Medicago sativa L.) to Water Stress Effects of exogenous brassinosteroid on Cd tolerance in Solanum nigrum seedlings Ce3+-abating Effects on the Damage of Cu2+Stress to Potamogeton crispus Leaves Calcium Effects on Anti-oxidative Enzyme Activities and POD Isoenzyme Spectrum Salt-tolerant Physiological Characters of Wheat Variety ‘‘‘‘Dekang 961‘‘‘‘ Effect of Low Rhizospere Oxygen Stress on Reactive Oxygen Species Metabolism in Cucumber Seedlings Effects of 5-Aminolevulinic Acid (ALA) on the Photosynthesis and Anti-oxidative Enzymes Activities of the Leaves of Greenhouse Watermelon in Summer and Winter Effects of elevated CO2 and O3 concentration and combined on ROS metabolism and anti-oxidative enzymes activities of maize(Zea mays L.) Effects of Low Temperature and Weak Light on Anti-oxidative Enzyme Activities and Plasm- membrane Permeability of Pepper Seedlings Responses in suspension cultures of two ecotypes of reed (Phragmites communis) under osmotic stressII . Changes of the reactivity of anti-oxidative enzymes Mechanism Research on Cinnamaldehyde Enhances Pepper Resistance to Phytophthora Blight Disease Effect of panaxynol on rat primary cultured neuron injured by H_2O_2 Nickel-induced Oxidative Stress and Responses of the Antioxidant Enzymes in Roots of Triticum aestivum L. Seedlings Effect of Exogenous Hormones on the Content of Active Oxygen and Activity of Antioxidant Enzymes of Watermelon Seedling under Low Temperature Stress Effects of NO on NO Contents and Anti-oxidative Enzymes in Cotton Leaf at Growth Stage Changes of four common plant populations growth and their anti-oxidative enzymatic system in desertification process Effect of Ultraviolet- B Irradiation on Lipid Peroxidation in Spinach Leaves 保定市河道公路绿化树种毛白杨的抗重金属能力 Effects of stocking density and exchanging water frequency on growth and inner quality of Whitmania pigra