Effect of Astragalus polysaccharide on pancreatic cell mass in type 1 diabetic mice The Existence of Paleogene Sediments in East China Sea Basin by Palynological Evidence Analysis of the Families of Cenozoic Spermatophytic Flora in Hainan Island Improve the taste of bitter mogroside by enzymatic glycosylation method A Palynological Survey of Neogene Strata in Xiaolongtan Basin, Yunnan Province of South China The Neogene Pollen/Spore Flora of Lühe, Yunnan