简介：300MWCFBCdemonstrationprojectinBaimaPowerPlant,SichuanProvinceisabackingprojectofimportingthedesignandmanufacturingtechnologyoflargesizeCFBCboilerbyusingtechnologyandtradecooperationmode.Thetotalprojectinvestmentamountstoabout1.8billionyuan(RMB),witha300MW

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简介：Aerodynamicforcesandpowerrequirementsinforwardflightinabumblebee(Bombusterrestris)werestudiedusingthemethodofcomputationalfluiddynamics.Actualwingkinematicdataoffreeflightwereusedinthestudy(thespeedrangesfrom0m/sto4.5m/s;advanceratiorangesfrom0-0.66).Thebumblebeeemploysthedelayedstallmechanismandthefastpitching-uprotationmechanismtoproduceverticalforceandthrust.Theleading-edgevortexdoesnotshedinthetranslatoryphaseofthehalf-strokesandismuchmoreconcentratedthanthatofthefruitflyinapreviousstudy.Athoveringandlow-speedflight,theverticalforceisproducedbyboththehalf-strokesandiscontributedbywinglift;atmediumandhighspeeds,theverticalforceismainlyproducedduringthedownstrokeandiscontributedbybothwingliftandwingdrag.Atallspeedsthethrustismainlyproducedintheupstrokeandiscontributedbywingdrag.Thepowerrequirementatlowtomediumspeedsisnotverydifferentfromthatofhoveringandisrelativelylargeatthehighestspeed(advanceratio0.66),i.e.thepowercurveisJshaped.Exceptatthehighestflightspeed,storingenergyelasticallycansavepowerupto20%-30%.Atthehighestspeed,becauseofthelargeincreaseofaerodynamictorqueandtheslightdecreaseofinertialtorque(duetothesmallerstrokeamplitudeandstrokefrequencyused),thepowerrequirementisdominatedbyaerodynamicpowerandtheeffectofelasticstorageofenergyonpowerrequirementislimited.

简介：Aco-operativecontracttosetupChina’slargestjoint-venturepowerprojectinShandongProvince,wasinitiatedby.fourpartnersonJune7atBeijing’sGreatHallofthePeople.Theproject’stotalinvestmentisexpectedtobeabout$2.3billion,ofwhichalittleover$1billionwillberaisedoverseas.ThepartnersinthemassivepowerprojectsareShandongElectricPowerCorp,ShandongInternationalTrustandInvestmentCorp,ElectricitedeFrance

简介：Hello，everyone．你们小区有没有停电的时候啊？那么，在停电的时候大家都在干什么呢？来读一读下面这篇文章吧。

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简介：Afewdaysago,theexaminationmeetingonthepreliminaryfeasibilitystudyreportofthefirstphaseprojectofHamiDananhuPowerPlantwasheldinUrumqi.Thereport,whichhasbeensubmittedbyShandongElectricPowerEngineeringConsultingInstituteandXinjiangElectricPowerDesignInstitute,wasexaminedsmoothly.Thestation'splannedcapacityis3600MW.The

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简介：AccordingtotheNationalDevelopmentandReformCommission(NDRC),theStatehasmadeanarrangementfor31desulphurizationprojectsofpowerplantsinoperation.Theprojects'investmenttotals6.43billionYuan.

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简介：ThefirstwindpowerprojectinGansu,YumenWindPowerFarmbelongingtoGansuJieyuanCompanywasbuiltupin1997.Upto2005,therewere74windpowerunitsinoperationinJiajinPowerGrid.Theirinstalledcapacitytotaled52.2MW.Atpresent,thethirdandfourthphaseprojectsareunderconstruction.Thesetwoprojectswillbeequippedwith68x850kWunits.Itisexpectedthatalltheunitswill

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简介：Passingonemonthcontinuoustrialoperation,the500kVHVDCtransmissionprojectfromTianshengqiaoHydropowerStationtoGuangzhouwascommissionedonDecember26,2000.ThisindicatesathirdbulkpowerchannelfromwesttoeastandthefirsthybridsystemofHVDCandHVACparalleloperationinChina

简介：Inthispaper,wereviewthestatusofthemultifunctionalexperimentalplatformattheNationalLaboratoryofHighPowerLaserandPhysics(NLHPLP).Theplatform,includingtheSG-IIlaserfacility,SG-II9thbeam,SG-IIupgrade(SG-IIUP)facility,andSG-II5PWfacility,isoperationalandavailableforinterestedscientistsstudyinginertialconfinementfusion(ICF)andabroadrangeofhigh-energy-densityphysics.Thesefacilitiescanprovideimportantexperimentalcapabilitiesbycombiningdifferentpulsewidthsofnanosecond,picosecond,andfemtosecondscales.Inaddition,theSG-IIUPfacility,consistingofasinglepetawattsystemandaneight-beamnanosecondsystem,isintroducedincludingseverallasertechnologiesthathavebeendevelopedtoensuretheperformanceofthefacility.RecentdevelopmentsoftheSG-II5PWfacilityarealsopresented.

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简介：AnewreasonablyperfectdynamicmathematicmodelhasbeenestablishedforcondenserusedinshipnuclearpowerplantaccordingtoitsstructuralfeaturesandOperatingprinciple.ThemodelhasbeensolvedbytheRunge-Kuttamethod.Andananalysisprogramhasbeendevelopedfordynamicnumericalsimulationundersteadyoperationcondition,disturbancecondi-tion,andaccidentcondition.Thedynamiccharacteristicsofcondenserhasbeencalculatedandanalyzedunderseveralkindsof

简介：Thephaseandfrequencylockingofmicrowave,millimeterwavepowercombiningwereanalysedandsummarizedinanall-roundway.Themaster/slavephaselockingofcavityoscillators,thepeerphaselockingofmutuallycoupledoscillators,andthepeerphaselockingofring-connectedmultipleoscillatorswereinvestigated.Theresultsofnumericalcalculations,andtherelationsofphasetophaselockingmodelandoscillatorparametersweregiven.Andthecavityandspacepowercombiningaspectsformicrowaveandmillimeterwavewerepresented.

简介：InChina,electricityconsumptionkeepsgrowingatahighspeedandinstalledcapacitywillbedoubledinthenextfifteenyears.AstheworldsecondCO2producerandalsoamemberofKyotoProtocol,howtobalanceenergyneedsandenvironmentalprotectionresponsibilityinthefutureisaseriousproblemforChina.Assuch,thereareanumberoftechnologychoicesfortoday’selectricpowergeneration.AfterdiscussingthecurrentadvancedpowergenerationtechnologiesbasedonChineseenergystructureandcurrentconditionsofpowerindustry,thispapergivesareferencetothetechnologyoptionsforChinainthefuture.Herepublishedisthesecondpartofthepaper.

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