目的：利用天然牙本质诱导骨髓间充质干细胞(bone marrow mesenchymal stem cells,BMMSCs)向成牙本质细胞样细胞分化,为寻找新的牙齿组织再生的种子细胞来源以及实现牙髓病
Background: The few previous studies that focused on the effects of compression garments (CG) on distance running performance have simulta neously measured elec
有这样的小说,你可能只看过一遍,但过去了几十年,有些故事情节,永远是那么刻骨铭心,并时常出现在脑海里.人生是复杂的,你可能用一车的话,也介绍不清楚一个人的为人.但有的作
【私募动态】私募收益:八成私募上半年行情惨淡2011年上半年沪深300指数震荡下跌2.69%,中小板指数和创业板指数的跌幅分别高达14.83%和25.64%,位居全球各大股票市场指数跌幅
IT was autumn in Beijing. Genial sunshine fell on the red walls around Zhongnanhai through the fluttering tree branches. Entering the gate that leads to Zhongn
Background: Few studies have examined the associations between urban design attributes and older adults' physical function.Especially,it is not well known how b
用气调法长期贮存油梨分别于２月９日、４月２７日及７月２日从商业果园采收“哈斯”油梨果实，并相应通过３１．５％、３４．４％、３４．７％的ＤＷＳ处理。所有果实在５℃下保存９周，各种贮藏气体组分为：２％Ｏ２＋２．５，５．０，７．５或１０．０％ＣＯ２；２％Ｏ...
Long-term storage of
李吉林老师告诉我们,母语是人类优秀文化的重要组成部分,母语丰富的文化内涵决定了母语教学不能唯工具论.母语除了工具属性,还有文化属性.不能“唯工具论”,首先承认母语是一
一位多年不见的海边好友,从打磨文字的作家变成了画家.他展示的一幅幅作品,令我无比惊讶都画了鱼,大鱼小鱼,那么逼真而古朴.rn我向他讨了一幅.rn我选中一条一尺多长的黑色大
Background: Resistance exercise has numerous,well-documented benefits on the health and functional performance of older adults.However,little information exists