简介:<正>LiYan’nong,a80-year-oldBeijingresidentinthedowntownJiaodaokouAvenueofthecity’sDongchengDistrict,hadtoleavehiscentury-oldhousewhichwasboughtbyhisfathersome70yearsago.Togetherwiththewholetraditionalalleyway,orhutong,Li’shousehadbeenleveledtodevelopaluxuryhigh-risesasare-
简介:HuGuangLampFactoryinShanghaihasdevelopedelectricity-savinglampsincollaborationwithFudanUniversity,usingRE-containingthreeprimaryphos-phors.Thefactoryproducesseveralvarietiesoflamps,includingH-shaped,hyperbolicandDouble-Dlampsofdifferentwattagese.g.9,11,13,16and28w.A16wDouble-Dlampisasbrightasa85wordinaryin-candescencebulbandthelifeisthree