简介：IntroductiontoHECHarbinElectricMachineryCompanyLimited(HEC)isapivotalcompanythatproduceslargeelectricmachineryandaccessorialcontrolequipmentinChina.ThehydrounitsmadebyHEChaveaccounted

简介：TheupperYangtzeupstreamofYichangwithadrainageareaof1,000,000km~2bringsanaverageannualrunofftoYichangby450km~3ofriverwater,thedrasticvariationandunevendistributionofwhichoftencausesseverefloodsforfer-tilealluvialplainsofmiddleandlowerYang-

简介：Astheworld’sauthoritativeorganizationonenergyinformation,theInternationalEnergyAgency(IEA),whichwasfoundedin1974,releasesKeyWorldEnergyStatisticseveryyearfrom1997(hereinafterreferredtoasthe"KeyData").The"KeyData"releasedin2007announcedthe2005statistics,andalsoprovidedthe1973statisticsforcomparison.Fromthepublisheddata,wecanclearlyfindthedevelopmentpathandtrendoftheworldenergyandpowerindustry.Also,China’sstrongdevelopmentmomentum,high-speedgrowthofenergyconsumptionandtheenormouschallengesinthesustainableenergysupplyareespeciallynoticeable.Thispaperreviewedthe"KeyData"toperceiveChina’sEnergyDevelopment.Theanalysisandinterpretationofthesedataarepurelyfromtheauthor’spointofview.

简介：Likeothercountriesintheworld,itisinevitabletoencoun-terwithsomeenvironmentproblemsintheprocessofen-ergydevelopmentandutilization.ItisespeciallysoinChinawhereenergystructureismainlybasedoncoal.Atpresent,coaltakes74%ofthetotalprimaryenergywhileoutofthe74%,only23%hasbeenconvertedintocleanandconvenientelectncenergy.Sopredomi-nately,theairpollutioninChinaismainlycausedbycoalsmoke.Inlargecities,theairpollutionbydirectcoalburningisbecomingmoreandmoreoutstandingduetothefastdevelopmentofindustryand

简介：Co-hostedbyChinaSocietyforHydropowerEngineeringandChinaThreeGorgesProjectCorporation,co-organizedbyChinaHydropowerEngineeringConsultingGroupCorporation,SINOHYDROCorporation,ChinaGezhouba(Group)CorporationandChinaInstituteofWaterResourcesandHydropowerResearch,organizedbyChinaElectricPowerInformationCenterBeijingZhongdianqiuzhenT&DCo.,Ltd.,supportedbyStateElectricityRegulatoryCommissionofChina,StateGridCorporationofChina,ChinaSouthernPowerGridCo.,Ltd.,ChinaHuaneng