Studies on root biomass and productivity in dominant plantation populations in the mountainous land in western Scihuan Effects of Extracts from Root of Rheum tanguticum on Seed Germination and Seedling Growth of Triticum aestivum and Elymus nutans Macronutrients and their allocations in non-photosynthetic organs in the Picea balfouriana in western Sichuan Protective effect of curcumine on oleic-induced acute lung injury in rats Chemical constituents in Rheum tanguticum Fingerprints of Rheum tanguticum from Qinghai Region by HPLC Chemical constituents in Rheum tanguticum Cytology of the tribe Trollieae and of the tribe Cimicifugeae in the Ranunculaceae: a comparative study Accumulation Characteristics of Anthraquinones in Rheum tanguticum Maxim. et Balf. var. liupanshanense Cheng et Kao Accumulation Characteristics of Anthraquinones in Rheum tanguticum Maxim. et Balf. var. liupanshanense Cheng et Kao CONCENTRATION,STORAGE AND ALLOCATION OF NUTRIENT ELEMENT IN PICEA BALFOURIANA PLANTATION OF WEST SICHUAN PHENOTYPIC DIVERSITY IN NATURAL POPULATIONS OF PICEA BALFOURIANA IN SICHUAN, CHINA The Localization Characteristics of Rhubarb Polysaccharide in Stems and Leaves of Rheum tanguticum Maxim.et Balf.var.liupanshanense Cheng et kao Study on Histochemical Localization of Anthraquinones in Root of Rheum tanguticum Maxim.et Balf.var.liupanshanense Cheng et kao Chemical constituents in leaves of Ostryopsis nobilis and their anti-oxidant activities