Oligomeric and polymeric proanthocyanidins from Hippophae rhamnoides seed Microwave extraction of total flavonoids from Hippophae rhamnoides leaves STUDY ON ASEXUAL REPRODUCTIVE TECHNOLOGY OF HIPPOPHAE RHAMNOIDES L. Density and Biomass Dynamics of Hippophae rhamnoides L.subsp.sinensis Population in Mu Us Sandland STUDIES ON THE CHEMICAL COMPONENTS IN FRUITS OF H. RHAMNOIDES Growing Process of Hippophae rhamnoides L. subsp. sinensis Seedling under Different Irrigation Intensities Effect of soil drought on the growth and water use efficiency of seabuckthorn STUDIES ON THE BIONOMICS AND CONTROL OF CURCULIO HIPPOPHES(COLEOPTERA:CURCULIONIDAE) The Ecogeographical Distribution of Hippophae rhamnoides Subsp. sinensis and Its Phytogeographical Significance Two new flavonoid glycosides isolated from seed residue of Hippophae rhamnoides ssp. sinensis Study on the transpiration of artificial Hippophae rhamnoides L. forest in the loess hilly region Relationship between the Morphological Charateristics of Leaf Surface andDrought Resistance of Sea Buckthorn Relationship between the Morphological Charateristics of Leaf Surface andDrought Resistance of Sea Buckthorn Studies of tissue culture techniques of Hippophae L. Studies on callus inducement and plant regeneration of Hippophae rhamnoides L. Genetic Diversity of Frankia Strains in Symbiosis with Hippophae rhamnoides in Inner Mongolia Studies on the Secondary Xylem Anatomy of Hippophae rhamnoides under Different Habitats Analysis of Free Amino Acids and Vitamine C in Fruits of Hippophae rhamnoides L., Nitraria tangutorum Bobr. and Berberils dasystachya Maxim Comparison and determination of total flavonoids in different parts of Hippophae rhamnoides