内酯是制备其他有机试剂的重要化学品.Lactones are major chemicals used in the preparation of other organic reagents.大环内酯类抗生素是治疗mp感染的有效抗生素.Macrolides are the effective antibiotics in the treatment of MP infection.结论95%乙醇可作为雷公藤内酯醇的洗脱剂.Conclu...
The canine is impacting on the incisor.犬牙和门牙挤压在一起。...the sharp tinkle of metal impacting on stone...金属撞击石头发出的刺耳叮当声Distributive characters of hypervelocity fragments impacting double - level target were researched.研究了超高速破...