简介:WewenttoNingboCity,ZhejiangProvince,forthepurposeofgatheringthestorybetweenamanandthecity.WhenwearrivedatNingbo,acoastalcityconnectedwithShanghaibyabridgeflyingacrossthesea,itwasraining.Ilookedoutofthecarwindow,tryinghardtofindsomethingunusualinthecity,sinceithasbeenrankedasoneofthemostlivablecitiesinChina.Thecityintherainlookedordinary,nothingdifferentfromthosethatIhavevisited:notoweringskyscrapers,nomagnificentsquares,andnoimpressivesplendors...Itseemedthatthecityhas
简介:Thispaperpresentedtheapplicationofthedirecthotchargerolling(DHCR)technologyinNingboSteel.Fiveaspectshavebeensystematicallyaddressedandanalyzed,whichincludesalesorder,productionscheduleprogramming,steelmaking,continuouscastingandhot-rolling.TheaverageDHCRproductratehasreached55%andtheaverageslabchargingtemperature699℃.Asaresult,theproductioncost,theenergyconsumptionandtheCO2emissionhavebeensignificantlyreduced.ItisconcludedthatabreakthroughinapplicationoftheDHCRtechnologyhasbeenachievedatNingboSteel.
简介:ThesolutionandcomputationalaspectsonnonlineardeflectionofYongjiangRailwayBridgeinNingbowereinvestigated.Anapproximateiterationalgorithmonnonlineargoverningequationwaspresented,andtheobtainedresultsshowthat,ifaltitudedifferenceandspanoftheriverbanksaretakenas5metersand100meters,respectively,themaximumgradientinthemiddleofthebridgeexceeds5%,muchlargerthanmaximumallowancegradientinrailwaydesigncode.Therefore,anewsolutionschemefordecreasinggradientofthebridgeisputforward,thatis,thealtitudedifferencebetweentworiverbankscanbedecreasedtoabout1/10oftheinitialmagnitudebybuildingroadbedswith0.5%gradientandIkilometerlengthattworiverbanks.Asadirectresult,thedeflectiongradientoftherailwaybridgeismuchreducedandthevalueisbetween0.5%~0.6%.
简介:Present-dayNingbo宁波inZhejiang浙江ProvincewascalledMingzhou明州intheTangandSongperiods.Itwasafamouscommercialportalongthesoutheasterncoastalarea,andwasrankedasoneofthetopfourportsincludingJiaozhou交州,Guangzhou广州,andYangzhou扬州intheTangDynasty.InthefirstyearofChangqing长安reignperiodoftheTang(AD821),MingzhouCitywasbuiltinthecenterofpresent-dayNingboCity.
简介:Citiesarethecrystallizationofhumancivilization.'ThelstanbulDeclarationonHumanSettlements'launchedin1996bytheUnitedNationsHumanSettlementsProgrammestressed,'Ourcitiesmustbeplaceswherehumanbeingsleadfulfillinglivesindignity,goodhealth,safety,happinessandhope.'Thetheme'Bettercity,Betterlife'ofWorldExpo2010ShanghaiChinaisevenmoreseductiveandiswhatpeoplearelongingfor.Withthedreamof'Betterlife',millionsofChinesefarmworkersdecidedtoleavetheirhomeland,rushingtothecities,whichhasformedtheworld'slargestpopulationmovementtoday.