Profile distribution of enzyme activity of long-term fertilization soil and its dynamic characteristics Screening of a straw cellulose-degrading fungi QSH3-3 and study on its characteristics of cellulase production Carotenoid biosynthetic pathway and its control,and genetic manipulation Compatible effects of Corydalis Rhizoma and Angelicae Dahuricae Radix components on enzymatic reaction kinetics of dl-tetrahydropalmatine in rat liver microsomes “Sweating” of traditional Chinese medicinal materials during primary processing and its mechanisms of enzymatic reaction and chemical conversion