深入分析、比较 Berkeley DB 和 SQLite。Berkeley DB 和SQLite 是源码开放的嵌入式数据库管理系统,无需安装,体积小巧,速度又很快;可以很方便地应用在掌上电脑、P D A、车载设备、移动电话等 MySQL、SQLServer 这些大中型数据库不可...深入分析、比较 Berkeley DB 和 SQLite。Berkeley DB 和SQLite 是源码开放的嵌入式数据库管理系统,无需安装,体积小巧,速度又很快;可以很方便地应用在掌上电脑、P D A、车载设备、移动电话等 MySQL、SQLServer 这些大中型数据库不可实现的嵌入式设备上。展开更多
To discuss the inhibiting mechanism of water extraxt solution from Rhodiola on theTyrosinase activity.Tyrosinase inhibiting rate is determined and Lineweaver-Burk curve is made by determining the tyrosinase activity b...To discuss the inhibiting mechanism of water extraxt solution from Rhodiola on theTyrosinase activity.Tyrosinase inhibiting rate is determined and Lineweaver-Burk curve is made by determining the tyrosinase activity before and after drug（water extract solution） interference oxidant of method,on which we deduce the inhibiting types of the drug.The water extract solutioncan inhibit the tyrosinase activity remarkably with the half inhibiting concentration IC50 3.9g/L.The water extract solution can inhibitthe tyrosinase activity and it is thenoncompetitive inhibitor of tyrosinase.展开更多
文摘深入分析、比较 Berkeley DB 和 SQLite。Berkeley DB 和SQLite 是源码开放的嵌入式数据库管理系统,无需安装,体积小巧,速度又很快;可以很方便地应用在掌上电脑、P D A、车载设备、移动电话等 MySQL、SQLServer 这些大中型数据库不可实现的嵌入式设备上。
文摘To discuss the inhibiting mechanism of water extraxt solution from Rhodiola on theTyrosinase activity.Tyrosinase inhibiting rate is determined and Lineweaver-Burk curve is made by determining the tyrosinase activity before and after drug（water extract solution） interference oxidant of method,on which we deduce the inhibiting types of the drug.The water extract solutioncan inhibit the tyrosinase activity remarkably with the half inhibiting concentration IC50 3.9g/L.The water extract solution can inhibitthe tyrosinase activity and it is thenoncompetitive inhibitor of tyrosinase.
