目的优选三七总皂苷最佳提取工艺条件。方法以三七总皂苷含量为评价指标,采用正交试验法优选超声波提取三七总皂苷的工艺条件。结果三七总皂苷最佳提取工艺条件为:乙醇体积分数80%,固液比1∶20,温度40℃,时间30 m in。该工艺下三七总皂...目的优选三七总皂苷最佳提取工艺条件。方法以三七总皂苷含量为评价指标,采用正交试验法优选超声波提取三七总皂苷的工艺条件。结果三七总皂苷最佳提取工艺条件为:乙醇体积分数80%,固液比1∶20,温度40℃,时间30 m in。该工艺下三七总皂苷的平均提取率为6.65%。结论所优选的工艺可行、重现性好。展开更多
Storage network is popular solution to constraint of server in storage field. As the Gibson's standards ,the performance of multi-level networked RAID based Cluster is almost same to the improved 2D-parity. Compar...Storage network is popular solution to constraint of server in storage field. As the Gibson's standards ,the performance of multi-level networked RAID based Cluster is almost same to the improved 2D-parity. Compared with other structure, it's easy to realize.展开更多
文摘Storage network is popular solution to constraint of server in storage field. As the Gibson's standards ,the performance of multi-level networked RAID based Cluster is almost same to the improved 2D-parity. Compared with other structure, it's easy to realize.