NMR studies of 6 β, 19-Epoxy-4-androstene-3, 17-Dione 6β,19-环氧-4-雄甾烯-3,17-二酮的NMR研究
Prepare Enveloped Silastic Bar Containing 4-Androstene-3 and 17-dione for Fish In this model, packet arrival-interval obeys Pareto distribution and packet size obeys exponential distribution. 鱼用含雄烯二酮的包膜型硅橡胶药条的研制包大小为指数分布。