Determination of nine kinds of nucleosides in Spirodelae Herba from different habitats by UPLC-MS/MS HPLC fingerprint and quantitative determination of 17 introduced Ziziphus jujube varieties in Tarim Basin Study on smelly odor removal of arthworm and β-cyclodextrin inclusion HPLC Determination of Uracil Xanthine,Hypoxanthine and Uridine in Ten Species of Animal Drugs Studies on the Anti-Blood Platelet Aggregation Constituents in the Root of Isatis tinctoria L. Determination of thymine, hypoxanthine and uracil contents in medical pipefish by HPLC Quality comparison of Hirudo before and after processed by French chalk