结论通过选择材料和优化制备条件，可制得具有合适孔径和孔隙率，顺应性和其它性能与天然血管匹配的PU小径血管。
Conclusion Small diameter grafts with proper pore sizes, porosity, matching compliance can be obtained by selecting PU materials and optimizing the preparation conditions.
目的：优化注射用辅酶A工艺制备的条件。
Objective: To optimize technological conditions of preparation of Coenzyme a for Injection.
目的优化中药组分制备HPLC分离的操作条件。
Objective To optimize HPLC parameters for preparation of herb components.
应用推荐