简介：JEST—JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:communicationtechnology,electronicsystemsandarrayprocessing,computerscienceandinformationtechnology,optoelectronicand

简介：ThispaperintroducesACvariable-speeddrivingcontroltechnologyapplicationinthecontinuousannealingline,includingthedrivesystemconfiguration,thedrivingcontrolcharacteristicsofCALandthemaincontrolfunctionsofthedrivesystem.Firstlyintroducesthemainprocessofthecontinuousannealingline,thefeaturesofthe6SE70seriescommonDCbusdrivesystemandtheG150seriesdrivesystem.Secondly,forthecontinuousannealingline,therearemorestrictrequirementsforthecontinuityofproductionandmorespecialrequirementsforthedrivecontrolcharacteristics.Wedoalotofimprovementandstandardizationforthedrivingcontrolfunctionsandtheinterfacesofthelineautomationcontrolsystem.Thispaperdiscussesthecommunicationinterfacespecificationsandthedimensiontransformationmethodsbetweenthedriveandthebasicautomationsystem.Thedetaildimensiontransformationmethodsandcalculationmethodaboutthelinespeedsettingandtheactualrollerdimensionsettingaregiven,anddetaildescriptionforthecalculationmethodofthereferencespeedinthedrive.Articlealsoemphasizedillustratesrealizingandtestingmethodsofinertiacompensationofequipmentinthedrives,andstandardizethevalueoflineaccelerateanddeceleraterate,andtheinertiatestmethodandinertiacompensationcoefficientcalculationmethodisintroducedinthispaper.Forthebridgerollersandfurnacehelprollersloadbalancecontrol,thispaperpresentstwodifferentloadbalancecontrolstrategies,theloadbalancecontrolprincipleforbridgerollerswhichdatacommunicatesfrommainstationtoslavestationsbySimolink,andtheloadbalancecontrolprincipleforfurnacehelprollerswhichusedroopcontrol.Thedifferentcharacteristicsofthosetwomethodsarestatedindetail.

简介：

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：Theproject'Developmentofpackagetechnologyformanufactureof650kt/aethylbenzene'envisagedinSINOPEC’s'TenKeyProjectsProgram'andjointlyundertakenbytheZhenhaiRefiningandChemicalCompany,RIPPandBPEChadpassedthetechnicalappraisal

简介：Thispaperdemonstratesanewprocessofthephotolithographytechnology,usedtofabricatesimplyfinepatterns,byemployingsurfaceplasmoncharacter.Thesub-wavelengthperiodicsilicastructureswithuniformsilverfilmareusedastheexposuremask.Accordingtothetraditionalsemiconductorprocess,thegratingstructuresarefabricatedatexposingwavelengthof436nm.Atthesametime,itprovidesadditionalandquantitativesupportofthistechniquebasedonthefinite-differencetime-domainmethod.Theresultsoftheresearchshowthatsurfaceplasmoncharacteristicsofmetalscanbeusedtoincreasetheopticalfieldenergydistributiondifferencesthroughthesilicastructureswithsilverfilm,whichdirectlyimpactontheexposureoffollowingphotosensitivelayerindifferentregions.

简介：Thenaturalworldspentbillionsofyearsinsolution-findingduringevolution,whichcouldbenefitTechnology.Howdoweputthatinanutshell?Biologicalsystemsaremorecomplexthanthemostcomplexcurrenttechnology.Anygivenfunctionandeffectaresimultaneouslycoordinatedandlinkedwithothersatmanylevelsofbiologicalorganisation-fromcellorganelletoorganism,topopulationandecosystem.Technologydoesnothavetoolstodealwiththecomplexityand"goalintendedness"oflivingsystems.Butlimitsforinteractionexistonbothsides-Biologicalscienceitselfisalsotooempiricalandnotmatureenoughtoprovideasolidbaseforcorrelatinglivingwithtechnicalsystems.Movingtowardsasynthesis,whereengineerscanutilizethevastamountofavailablebiologicaldata,wesuggestusingatoolcalled"TheoryofInventiveProblemSolving"(TRIZ)andclarifyingsomeimportantmethodologicalissues,whichhavenotpreviouslybeenrecognisedinbionicengineering:1)Requirenentformoreappropriatedefinitionsof"system","effect","function","law"and"rule".2)Requirementforunderstandingorevenmeasuringthedegreeofcontradictionoranalogybetweenfunctionsinbiologicalandartificialand/ornon-livingengineeringsystem-thereisnosimpledirectcorrelationbetweenwhatengineersfindusefulandwhatbiologydoes.

简介：Newmethodsforboththetreatmentofpulpwasteliquorcalledblackliquor(BL)andtherecoveryofchemicalsbyusingplasma,andtheconcentrationofBLwiththefreezingtechniqueweredeveloped.Thenewmethodsaimingatthepilotplantscalearedescribedandtheexperimentsinasmall-scaleresearchfacilityfordemonstrationandtestarepresented.Theenergyconsumptionfortreatingwasteliquidis1kg/kWh.Plasmaprocessingcanreducethecostsfortreatmentandeliminatepollution.

简介：JEST(International)?JournalofElectronicScienceandTechnology,formerly,JournalofElectronicScienceandTechnologyofChina,ispublishedquarterlydevotingtothestate-of-the-artachievementsinelectronicscienceandtechnology,includingthemosthighlightareas:communicationtechnology,electronicsystemsandarrayprocessing,

简介：Inthelastdecadestheinterestinthebiomassgasificationprocesshasincreasedduetothegrowingattentiontotheuseofsustainableenergy.Biomassisarenewableenergysourceandrepresentsavalidalternativetofossilfuels.Gasificationisthethermochemicalconversionofanorganicmaterialintoavaluablegaseousproduct,calledsyngas,andasolidproduct,calledchar.Thebiomassgasificationrepresentsanefficientprocessfortheproductionofpowerandheatandtheproductionofhydrogenandsecond-generationbiofuels.Thispaperdealswiththestateoftheartbiomassgasificationtechnologies,evaluatingadvantagesanddisadvantages,thepotentialuseofthesyngasandtheapplicationofthebiomassgasification.Syngascleaningthoughfundamentaltoevaluateanygasificationtechnologyisnotincludedinthispapersince;intheauthors'opinion,adedicatedreviewisnecessary.

简介：FollowingthebreakthroughinthetechnologyfordevelopmentandapplicationofmesoporouszeolitedevelopedbyPetroChina’sResearchInstituteofPetrochemicalIndustry(RIPI),thesaidmesoporouszeolitehasbeensuccessfullyappliedinthe1.2Mt/aRFCCunitattheLanzhouPetrochemicalCompany.

简介：Inthispaper,theinterestingdevelopmentoftheveryimportantinnovationofthrustvestoringtechnologyinappliedaerodynamicsisdescribed.InMemoryofafirend.Dr.W.HerbstofMBB,Germany,theso-calledfatheroftheX-31experimentalthrustvectoringfighter,wholosthislifeafewyearsagowhilepilotinghisprivateairplane.BertrandRussel：“Menarebornignorant,notstupid-theyaremadestupidbyeducation.”.AdmiralHymanRickover:“Thebestengineersarethosewho,inadditiontotechnicalexpertise,havehadgoodtrainingintheliberalartsandunderstandtheworldaroundthem”。

简介：

简介：Nuclearfusionhasenormouspotentialtogreatlyaffectglobalenergyproduction.Thenext-generationtokamakITER,whichisaimedatdemonstratingthefeasibilityofenergyproductionfromfusiononacommercialscale,isunderconstruction.Wallerosion,materialtransport,andfuelretentionareknownfactorsthatshortenthelifetimeofITERduringtokamakoperationandgiverisetosafetyissues.Thesefactors,whichmustbeunderstoodandsolvedearlyintheprocessoffusionreactordesignanddevelopment,areamongthemostimportantconcernsforthecommunityofplasma-wallinteractionresearchers.Todate,lasertechniquesareamongthemostpromisingmethodsthatcansolvetheseopenITERissues,andlaser-inducedbreakdownspectroscopy（LIBS）isanidealcandidateforonlinemonitoringofthewallsofcurrentandnext-generation（suchasITER）fusiondevices.LIBSisawidelyusedtechniqueforvariousapplications.Ithasbeenconsideredrecentlyasapromisingtoolforanalyzingplasma-facingcomponentsinfusiondevicesinsitu.ThisarticlereviewstheexperimentsthathavebeenperformedbymanyresearchgroupstoassessthefeasibilityofLIBSforthispurpose.

简介：

简介：Onthebasisoftheprincipleofdielesshydrobulgingtechnology,anovelhydrobulgingtechnologyformanufacturinghyperbolicplatesisproposed.First,atoroidalpipeelboworapartialtoroidalpipeelbowisformed,thenthesinglehydrobulgedstructurecanbecutupintosomedesiredplates.Itisprovedbyexperimentsandfiniteelementsimulationthatmanufacturingtechnologyofhyperbolicplatesadoptingintegratedhydrobulgingformingtechnologyisfeasible.

简介：Theinfluenceofsiliconsliceflatnessonbondingtechnologyandtherelationbetweenaforeignparticleandresultingbubblearequantitativelypresentedbytheelastictheory.ItisdemonstratedexperimentallybyX-raydoublecrystaldiffractometryandinfraredimager.

简介：

简介：

简介：TheelectricpowerindustryisafundamentalindustryinthenationaleconomyandtheChineseGovernmenthasalwaysputthepowerindustryonanimportantpriorityfordevelopment.Atpresent,keepingcontinuousrapidandstabledevelopmentofthepowerindustryfacestwochallengingissues—shortageofprimaryenergyresourcesandseriousenvironmentalpollution.Sothecleancoaltechnology(CCThereinafter)hasbeenplacedasoneofthemostpriorrealmfordevelopmentonthe