简介：NationalQualitySupervision&InspectionCen-terforRefractoriesBusinessscope:Selectiveexaminationfornationalqualitysupervision;Identificationof

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简介：*NationalQualitySupervision&InspectionCenterforRefractoriesBusinessscope:Selectiveexaminationfornationalqualitysupervision;Identificationofproductionlicense;Arbitrationinspectionandtechnicalachievementsevaluation;CommoditiesinspectionandotherqualityinspectionsAdd:No.39XiyuanRoad,Luoyang471039,HenanProvince,ChinaTel:+86-379-64205929Fax:+86-379-64205955E-mail:nqtc@public2.lyptt.ha.cn

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简介：Thereisalonghistoryoffailureininternationalcooperationinmedicalequip-menttechnology.IFMBEandJSMEBEhavemadegreateffortstoremedythesitua-tion.Recently,JSMEBEisaskedbyJapaneseGovermenttoprovideaguidelinefortheactivities.Acommitteewasformedfor3years,andasaresultofextensivesur-veystudiesbyquestionaries,interviewsandcorrespondences,thefinalguidelinewaspublished(inJapanese)March1993.Itisavailableonrequest,andEnglishtransla-

简介：1.TheunitNo.2ofShidongkouSec-ondPowerStation,afacsimileofitsunitNo.1whichisa600MWsuper-criticalunitandhasbeenontrialoperationsincelast

简介：Thespecialdesignforthefurnaceandburnerofboilersburningligniteisanalyzedandthetypeselectionofthepulverizingsystemisdiscussedbytakingaccountofthelignite’scharacteristicsofhighmoisture,lowheatingvalueandlowashfusiontemperature.Theimpactofsuchcharacteristicsonthetypeselectionofburningequipmentandpulverizingsystemsfortheligniteboilerisstudied.Thevaluerangesofthefurnacecharacteristicparametersfortheligniteboilerarerecommended.Fortheoldlignite,thepremixperiodintheburnershouldnotbetoolonginordertoavoidslaggingandthevelocityoftheprimaryairissuggestedtobebetween17m/sand22m/s.Thedirect-flowburnerwithtangentialfiringispreferredforlignitewiththemoisturehigherthan35%.Themedium-speedmillisbettertobeusedforlignitewiththemoisturelessthan35%,whileforlignitewiththemoisturehigherthan40%thefanmillshouldbethefirstchoice.

简介：Ｄｅｖｅｌｏｐｍｅｎｔｏｆｗｅｌｄｉｎｇｔｅｃｈｎｏｌｏｇｙｏｆｈｙｄｒｏｅｌｅｃｔｒｉｃｐｏｗｅｒｅｑｕｉｐｍｅｎｔ￥ＺＨＥＮＧＢｅｎｙｉｎｇ（ＤｏｎｇｆａｎｇＥｌｅｃｔｒｉｃａｌＭａｃｈｉｎｅｒｙＷｏｒｋｓ，ＳｉｃｈｕａｎＤｅｙａｎｇ（６１８００...

简介：Sincetheexcessivecapacityinsteelmakingandcontinuouscastingatpresent,andthelimiteddevelopmentmarginofCCtechnologyandequipmentinscale,thefurtherdevelopmentmustbemadeinaprofoundanddetailizedway.ThispaperenumeratestheitemsofCCtechnologyandequipment,whichneedtobedetailizedfromseveralaspectssuchasrollarrangementdesign,equipmentdesignandproductionoperation,anditpointsoutthatdetailizationisthefuturedirectionofCCtechnologyandequipment.Theitemsinrollarrangementdesignincludeeliminatingperiodicmeniscusfluctuationbyadjustingspacebetweenrollsreasonably;takingspecialmeasurestoavoiddangerousregionsofcastingspeed,inordertoreducethecenterporosityandcenterlinecrackofslab;optimizingthemajorradiusandthelengthofouterarcofcasterbeforestraighteningpointtoavoiddangerousregionofcastingspeed.Theitemsinequipmentdesignincludechoosingasuitablestructureofsupportandguidingrollaccordingtotheconcreteconditionsofcaster;accordingtobulgingshapeofslab,thinkingmoreaboutrestrictionofshelltobulgingforce,discussingtheforceonrollers,optimizingsplitrolltosupportslab;safetyfactorshouldbeconsideredtogetherwithcalculationmethodofthebearingnominalstaticload.Theitemsinaspectsofcontinuouscastingoperationincludethedelicacydivisionandthefunction-positioningofoperationmodesforCCmachineduetotheconsiderationofdynamicsoftreduction;monitoringandcontrollingsystemofCCmachinemustbefurtherdetailizedtoimprovethestabilityofproductionoperationandslabquality.Inadditiontothethreeaspectsmentionedabove,thisarticlepointsoutmanyotheritemsalso,suchashomogenizationofsecondarycoolingofslab,qualitycontrolofsurfaceandinternalofslab,andsoon.Thisarticleemphasizes,somekeytechnologiesneedtoberesearchedalso,andalltheseresearcheswillneverstop.

简介：Basedontotalreflectionprinciple,acompactliquid-refractiveindexmeasuringequipmentwasdesignedandfabricated,inwhichadiodelaserwasusedaslightsourceandacharge-coupleddevice(CCD)asphotodetector.Theinfluenceonmeasurementaccuracyofthewavelengthshiftandintensityfluctuationofthediodelaserweresurmountedbyaneffectivefeedbackmethod.Itiscrucialwhetherthediodelasercouldbeusedinsuchasystem.

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简介：Agoodorbaddesign,equipmentdispositionandmanagementofIntensiveCareUnit(ICU)isoneoftheimportantstandardswhichjudgethemedicallevel.AstheinvestmentofequipmentsinICUissocostly,theproblemsofhowtodesignICUcorrectly,howtodisposetheequipmentsinitandhowtomanageICUmustbesolvedeffectively.WehaveworkedoutasetofmethodsfortheaboveproblemsthroughinvestigatingICUinseveralhospitals.

简介：Sincetheyear2006,havingbeentrainedinEHVpowergridconstruction,indigenousmanufacturingcompanieshavegraduallybecomefull-fledged.WiththeadvancementoftheUHVprogram,theybecomemoreconfident.Amongthesecompanies,thereareXi’anShikyHighVoltageElectricCo.,Ltd.(Shiky)ofChinaXDGroup(XD),amegastate-ownedenterprise,TebianElectricApparatusStockCo.,Ltd.(TBEA),astockcompany,aswellasBaodingTianweiBaobianElectricCo.,Ltd.(TWBB),adarkhorseamongprivatesectors.Moreover,ShanghaiSieyuanElectricCo.,Ltd.(Sieyuan),whichisespeciallymentionable,hasattractedmoreattentionintheindustryforitsoutstandingandrapidlyrisingmarketperformance.

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简介：AccordingtoareleaseconferenceondevelopmentofthermalpowerfluegasdesulphurizationequipmentheldbyChinaElectricityCouncil(CEC),theinstalledcapacityofthermalpowerunitswithdesulphurizationequipmentinoperationorunderconstructionreached53GWandover100GWrespectivelybytheendof2005.Atpresent,Chinahasgotacapabilityofcontracting(includingdesignandequipmentmanufacture)fluegasdesulphurizationprojectsforabout100-GWgeneratingunitsannually.

简介：Thetypeselectionofburningequipmentforboilersisaffectedsignificantlybytheslaggingcharacteristicsofcoal.Basedontheengineeringstatisticsmethod,thedesignedfurnaceparametersareobtainedfromthe600-MWand1000-MWboilerswithtangentialfiringandwallfiring.Thepowerandarrangementoftheburnersareanalyzed.Theirimpactsonslaggingonheatingsurfacesandthecarboncontentsintheashandcindersarealsodiscussed.Thermalparametersoffurnacearerecommendedforboilersof600MWand1000MWfiringslaggingcoalinthedesign.Thestaticorrotaryclassifiershouldbethefirstchoiceforthepulverizingsystem.

简介：Ｔｈｅｃａｌｉｂｒａｔｉｏｎｏｆｍｅａｓｕｒｉｎｇｅｑｕｉｐｍｅｎｔｆｏｒｔｈｅｏｂｓｅｒｖａｔｉｏｎｏｆｓｅｉｓｍｏ－ｅｌｅｃｔｒｏｍａｇｎｅｔｉｃｅｍｉｓｓｉｏｎＱｕａｎ－ＸｉＺＨＡＮＧ（张全喜），Ｘｉｎ－ＭｉｎＬＩ（李新民）ａｎｄＭｉｎｇ－Ｃａ...

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简介：SeansoredbytheUnitedNationsandChinesegovernment,HangzhouRegionalCenterforSmallHydroPower(HRC)aimsatpromotingtheSHPdevelopmentintheworld.ChinahasmostSHPstations,withmuchexperienceinSHPdevelopment.InordertodisseminateSHPtechnology,HRChasalreadyheldwithsuccess37trainingworkshopsfor652participantsfromover70countries.

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