新课程改革特别强调对学生语言运用能力和获取信息能力的培养，而在阅读中影响学生获取信息能力的最大障碍就是生词，因此，为了帮助学生......

Most N95 respirators are designed to filter 95% particulates of 0.3μ, while the size of H1N1 virus is about 0.1μ. Henc......

We report the synthesis of uniform-sized hexagonal ZnO nanocrystals by the thermolysis of Zn-oleate complex,which was pr......

Yes， it is possible to have cheap family vacations！In these tough economic times we all need to find ways to reduce our fa......

We presented a clock synchronization method that contained a clock adjusting algorithm and a frequency compensated clock......

Three microwave-assisted extraction(MAE) procedures were studied. The first procedure was household microwave oven dynam......

The one-pot synthesis of dimethyl carbonate(DMC) with co-production of propy-lene carbonate(PC) and propy-{lene} glycol(......

目的 探讨自制一种经济的腹腔镜模拟训练装置的可行性,并对其有效性进行评估.方法 将实验对象分为三组,每组8人.空白组:无腹腔镜经......