简介:ThestatisticdataofresidentialelectricityconsumptionshowninthetableP.58arequotedfromtheEnergyStatisticalYearBookpublishedbytheNationalStatisticBureauandthestatisticsissuedbytheMinistryofEnergy.Thereasonofthedifferencesbetweenthedatafromthetwosaidsourcesisthatthelatterdoesnotincludetheconsumptionsup-pliedbythelocalsmallpowersources.Fromthestatisticaldatawecanseethat:
简介:ForewordItiswellknownthatallelectricalmachinesandequipmentsaremademainlyofconductingmaterials,magneticmaterials,struc-turalmaterialsandinsulatingmaterials.Insulationmaterialsaresub-jectedtomechanical,thermalandelectricalstressesandexposedtomoisture,dirt,chemicalcorrosionandradiation.Thecombinedac-tion,intensityanddurationofsuchstressesandeffectssetalimitto
简介:ChinaInternationalWaterandElectricCor-poration(CWE)wasformedbymergenceofformerHydraulicEngineeringCorporationofChina(HECC)andformerChinaNationalCompletePlantExportCorporationElectricEngineeringCompany(CEEC)onAugust4,1983.Ithasahistoryofmorethan30yearsinundertakinghydraulicandelectricengineeringprojectscountedfromthebeginningofitsformerbodies.Thecorporationhas600staffmembers.Underthecorporation,thereare2branchesand15overseaorganizations.CWEpossessesacapitalfundof500millionYuanRMB.CWEisanationalcorporationestablishedspeciallyforeconomicandtechnicalcoopera-tionwithforeigncountriesandcontractinghy-draulicandelectricengineeringprojectsandothercivilengineeringprojectsabroad.Themainbusinesslinesareasfollows:1.contractinghydraulic,electricandother