Effect of Danshen Injection on Pulmonary Thromboembolism and Platelet Free Radical Levels in Mice A review of new research progress on the vulnerability of xylem embolism of woody plants Several Controversial Viewpoints in Studying the Cavitation of Xylem Vessels Relations between Xylem Embolisms and Physiological Indexes in Eight Woody Plants I. Relationships with Xylem Water Potentials Relations between Xylem Embolisms and Physiological Indexes in Eight Woody PlantsⅠ.Relationships with Xylem Water Potentials Studies of roots and shoots vulnerability to xylem embolism in seven woody plants Relationships between Xylem Vessel Structure and Embolism Vulnerability in Four Populus Clones Relationships between xylem structure and embolism vulnerability in six species of drought tolerance trees Responses of Hydraulic Transport Efficiency and Safety of Current year Stems in Pinus tabulaeformis Seedlings to Nutrient Addition and Irrigation Seasonal Variation in Water Use of Ziziphus jujuba in the South Aspect of Taihang Mountains with Deuterium Isotope Signature Ecophysiological effect of xylem embolism in six tree species Xylem hydraulic traits of Populus euphratica Oliv. in extremely drought environment Water transport velocity and efficiency in Quercus variabilis detected with deuterium tracer and thermal dissipation technique