Antioxidant Effects of Crude Fats in Nostoc commune A Structural and Utrastructural Study of Nostoc commune Study on Antibacterial Effects of Fat-soluble Compositions in Nostoc commune Study of the Mass Culture of Nostoc commune Vauch STUDIES ON THE COMMUNITY FEATURE AND RESOURCE DISTRIBUTION OF NOSTOC COMMUNE IN THE SOUTHERN SHANXI PROVINCE Element Composition of Nostoc commune and Xanthoparmelia camtschadalis under Grazing Pasture and Their Relations with Stocking Rates Effects of solution of extracts from Nostoc commune on vegetative growth and flowering of some garden plants FUZZY EVALUATION WITH MULTIPLE INDEX IN BIOINDICATION Ultraviolet Absorption of Sodium Chromate and Its Application in the Study of the Effects of UV-B on Plants Nutrients and Environmental Factors for the Growth of Nostoc commune Cells The Characters of Bionitrogen Fixation of Nostoc Commune and Its Function in Nitrogen Cycle in Inner Mongolia Grassland THE EFFECT OF NOCTOC COMUNE ON BLOOM AND NUTRITVE GROWTH OF PLANT Comparative Studies on Physiological and Biochemical Characteristics of Sun and Shade Acclimated Nostoc commune