简介：Non-metallicinclusionisthemainreasonforthepresenceofsurfacedefectsincold-rolledsteelstrip.Inthisstudy,thecomposition,morphology,andsizeofthenon-metallicinclusioninhot-rolled304stainlesssteelstripsareanalyzed.Cold-rolled304stainlesssteelstripswithdifferentcold-rollingreductionhavebeenprepared,andthemorphologyandsizeofinclusioninthesecold-rolledstripsarealsoanalyzed.Furthermore,thedeformationbehaviorofanon-metallicinclusionduringthecold-rollingprocessisstudied.TheresultsshowthatCaO-SiO2-MgO-Al2O3,akindofbrittlecompoundoxide,isthemaintypeofinclusioninhot-rolled304stainlesssteelstrips.Duringthecold-rollingprocess,ductiledeformationofthistypeofinclusionisnotobvious,wherelargeinclusionsarecrushed,andtheaveragesizeofinclusionsincold-rolledstripsdecreasedwhilethecold-rollingreductionincreased.

简介：Anewkindofrareearthmaterialwithhighefficientlong-persistentphosphors,suchasSrAl2O4:Eu,Dy,hasbeendevelopedinrecentyears.ThePMMAwithlong-persistentphosphorsistypicaloneofapplicationsforthephosphors.Inthiswork,wetrytoprobeintotheaffectionofthemanufactureprocessonthePMMAwithlong-persistentphosphors,toanalyzeitsperformance,anditsluminescencebehavior,especiallytostudytheself-excitationofthePMMAwithlong-persistentphosphors.

简介：DistributionandaccumulationofNd,anditseffectonsecretionofprogesteroneinmicewerestudiedusingradioisotopetracer(147Nd)technique.Followingsingleintraperitonealadministrationofneodymiumtracedwith147Ndatadoseof200mg*kg-1,unevendistributionoftheradioactiveNdoccurredinvarioustissuesandorgans.Muchamountof147Ndaccumulatesinthebone,andtheresidueincreaseswiththelapseoftime.Someamountofradioactivitywasalsodetectedineyes,bloodandbrain,buttheaccumulationdecreasedwiththetimeduetoexcretionandre-distributioninmice.Incomparisonwithcontrols,concentrationofprogesteroneisfoundtobesignificantlylowerintheserumofadministeredmice,indicatingasignificantlyinhibitoryeffectofNdonsecretionofprogesterone.

简介：Theamountsofrareearthinthesolidsolutioninsteel16Mnweredeterminedbymeansofinductivecouplingplasma(ICP)spectroscopy.WhiletheRE/Sratiowaslessthan1.9,theamountsofrareearthinsolidsolutionwerenotmorethan8ppm,whichrisedslightlywiththeincreaseoftherareearthcontentinthesteel.WhiletheRE/Swasmorethan1.9,MnSdisappearedcompletelyinthesteelandtheamountsofrareearthinsolidsolutionincreasedrapidlywiththeincreasingoftherareearthcontent.Thesolubilityofceriuminsteel16Mn(St52)islessthan0.011wt%atroomtemperature.Theresultsalsoindicatethatrareearthinsolidsolutioncanreducetheamountofpearliteandincreasethatofferriteanditsmierohardness.Therela-tionshipbetweenmicrohardness(Hv)andtheamountofrareearthinsolidsolutioncanbeexpressedbytheequationofHv=117+7RE(ppm).

简介：ＰｈｏｔｏｅｌｅｃｔｒｏｃｈｅｍｉｃａｌＰｒｏｐｅｒｔｉｅｓｏｆａＦｅｒｒｏｃｅｎｅＤｅｒｉｖａｔｉｖｅａｎｄＩｔｓＬａｎｇｍｕｉｒ－ＢｌｏｄｇｅｔｔＦｉｌｍＸｉａｗｅｎｓｈｅｎｇ（夏文胜）；ＹｅＸｉａｎｚｅｎｇ（叶宪曾）；ＨｕａｎｇＣｈｕｎｈｕｉ（...

简介：selectingseveraltypicalDSS00Cr22Ni5Mo3N,00Cr21Ni2Mn5Nand00Cr25Ni7Mo4Nasresearchmaterials,hotductilitycharacteristicofDSSwasstudiedandmicrostructureevolutionduringhotcompressionwasobserved.TheresultsshowthattheoptimumhotductilitytemperaturerangeofDSSis1050~1200℃.00Cr25Ni7Mc4Nexhibitstheworsthotductilityand00Cr21Ni2Mn5Nhassimilarhotductilityto00Cr22Ni5Mo3N.Duringhotcompression,austeniteofDSSmainlyoccursdynamicrecovery,theferriteof00Cr22Ni5Mo3N,00Cr21Ni2Mn5Ncanperformdynamicrecoveryandrecrystallization,butonlydynamicrecoverycanbeobservedintheferriteof00Cr25Ni7Mo4N.

简介：Inthiswork,boththethermalexpansionandelectricalconductivityofnanocrystallineLa2Mo2O9werestudied.ThenanocrystallinepowderofLa2Mo2O9wasobtainedbysol-gelmethod,andwiththehelpofSHP(superhighpressure)upto4.5×104atmat700℃forashorttime,andthenanocrystallinepowderwasdensifiedwithoutobviousparticlesizegrowth.TheelectricalconductivityofnanocrystallineLa2Mo2O9wasoneorderofmagnitudelowerthanthatofthemicrocrystallinesampleatthesametemperature.Owingtothephasetransition,themicrocrystallineLa2Mo2O9hasanabruptincreaseofthermalexpansionwithapeakvalueof48×10-6K-1at556℃.Forthenanocrystallinematerial,thepeakvalueincreasesto112×10-6K-1at520℃.Ontheotherhand,above600℃thesignificantgrowthofparticlesizeofthenanocrystallineLa2Mo2O9wasobserved,accompanyingbyatremendousincreaseofthermalexpansionwithapeakvalueofthirdhigherthanthatofLa2Mo2O9.

简介：Thisstudycomparestheregenerativeradiant-tubeheaterwiththetraditionalradiant-tubeheater,showingtheregenerativeradiant-tubeheatershavemanyadvantagesinfuelconsumption.Basedontheexperienceofchangingaheatingsystemwithtraditionalradiant-tubeburnerstoaheatingsystemwithregenerativecombustion,propositionsaregivenforthecombustioncontrolsystem,pilotburner,flamedetectionandfortroublepreventioninrebuildingthecontinuousannealingproductionline(CAPL)andthecontinuousgalvanizingline(CGL).

简介：Thepatentingprocessofthreehot-rolledsteelswithcarbonmasscontentsof0.70%-0.90%wasstudied.Theeffectofthequenchingtemperatureonthecementitelamellardistanceinthesteelwasevaluatedonthebasisofmicrostructuralcharacterizationandmechanicalpropertytests.Thepatentingtreatmentofhigh-carbonhot-rolledstripanditsapplicationinspringswerediscussed.

简介：Fossil-fuelburninggreenhousegasinducedglobalwarminghasbeenrecognizedasglobalenvironmentalproblems,reduceandultimatelycontroltheenergyproductionintheuseofCO2emissions,globalenergyproductionwillbeamajorchallenge.Asahighlyintensivematerialsandenergy,ironandsteelenterprises,needtobeinvestedtoproduceonetonofsteelabouttwotonsofmaterialand0.7tofstandardcoalenergy,andwhileproducingtwotonsofCO2.Therefore,reducingCO2emissionsfromironandsteelindustryhasbecomethefocusoftheglobalsteelindustry.Thispaperdescribesanintegrateddomesticandinternationalmeasurestocontrolcarbondioxideemissionsresearchprogressandfuturetechnologytrends,withemphasisonthedomesticsteelindustryemissionsofcarbondioxidestatusoftechnologydevelopmentandindustrializationofimplementationoftheproposedonthisbasis,includingdryquenchingtechnology,gas,powergeneration,coalmoisturecontroltechnology,blastfurnaceinjectionplasticstechnology,theuseofcokingprocessfortreatingmunicipalwasteplasticstechnology,sinteringheatgeneration,lowpressuresaturatedsteamforpowergeneration,metallurgicalslagheatrecoverytechnology,cokeovengashydrogentechnologyandtheotherkeytechnologiesenergysavingtechnologies,includingthedevelopment,promotionandpopularizationofthesteelindustryinChinawillbetheCO2emissionreductiontechnologydirectionandfocus.Atthisstage,theChinesesteelindustrycanbeimprovedtheenergyefficiencyandrecyclingofwasteheatandenergy,reduceunitGDP,CO2emissions;butinthelongrun,shouldincreaseCO2captureandstorageontheinputoftechnologycanpossibleeffectivecontroloftheadverseeffectsofCO2emissions.

简介：Thispaperintroducestheprocessflow,technicalparametersandrelevantfeaturesofBaosteel'sNo.8airseparationunit(ASU)withacapacityof60000m3/h.Itsummarizesthecommissioningwork,whichincludestheadjustmentoftheaircompressor,thesystem'snakedcooling,theprecoolingsystemandtheoperationadjustment.Italsoprovidesdetailedanalysesonsomefailureswhichoccurredinthecommissioning.Throughthemodificationofthedesignandtheinterlocks,thetrippingprobabilityoftheaircompressorwasgreatlyreduced.Throughtheheatingofthesystemandthecontrolofthewatercooler'snitrogenflow,theoverproofcontentofcarbondioxideandfluctuationofoxygenflowwereavoided.Nitrogen-blockintheargonsystemwaseliminatedbytheprecisecontroloftheargonrectificationflowandargoncontent.Allthesesolutionshavebeenprovedtobeeffectivebypractice.

简介：Terfenol-D杆是否应该被把压成薄片，具有在为动态应用设计一个magnetostrictive致动器的开始的担心。迭合能减少旋涡水流损失，而且减少GMM杆的僵硬。常规方法由是复杂的女性(有限元素的方法)或一个的经验。在这篇文章，在杆的剖面图的磁场分发的一条分析途径被描述，并且如果Terfenol-D杆应该被把压成薄片，它作为一个参考方法被介绍给法官。数字评估和试验性的结果证明了途径的合理性和可获得性。

简介：The18Ni300gradecobalt-freemaragingsteelT300wassuccessfullymanufacturedonanindustrialscalebyapplicationofvacuuminductionmelting(VIM)andvacuumarcremelting(VAR)processatBaosteel.WiththecontentofOandNlessthan15ppmand10ppmrespectively(1ppm=10-6),theT300steelproducedbyBaosteelobtainedahighdegreeofpurityandagoodcombinationofultra-highstrengthandfracturetoughness.Theeffectsofsolutiontemperatureandageingtemperatureontensilepropertyofsolution-treatedandagedT300steelwereinvestigated.Theresultsshowthatthesolutiontemperatureslightlyinfluencesthestrengthofthesolution-treatedsteel,indicatingthatthesolutionstrengtheningratherthanthegrainboundarystrengtheningismoreimportanttothesolution-treatedsteel.Forthesolution-treatedT300,theelongationandreductionofareadon'tchangemuchwitharisingsolutiontemperature,andremainabove17%and70%respectivelyatthesolutiontemperaturerangingfrom800℃to1200℃.FortheagedT300steel,thestrengthandelongationarereducedwithanincreasingsolutiontemperature,andthesolutiontemperaturehasagreatereffectonthereductionofareathanthatontheelongation.Thereductionofareaoftheagedsteelreachesahighpeakwhenthesolutiontemperaturereaches920℃.Theexperimentaldataindicatesthatprecipitationstrengtheningmakesacontributionof1100MPatothetensilestrengthoftheagedsteel.Theageingtemperatureexertsagreatereffectonthestrengththanontheelongationandreductionofarea.Thesteelachievesabettercombinationofstrengthandtoughnessatthepeakageingtemperatureof500℃.

简介：

简介：Basedonthemanufactureofefficientnon-orientedsiliconsteelgrade,theeffectsoftinandsulphuronmagnetismanditsinteractionwasdiscussed.Theresultsshowedthatforpresentwork,minortincouldimprovemagneticinductionsharplyandhadlittleeffectoncorelosswhenthesulphurcontentbelow10×10-4%.TheprecipitationofAlNcouldbeprohibittedbytin,remarkably.Asthenucleus,tincouldremovalanyinclusionswhichsizewas0.5μmorabove,andhadlittleeffectoninclusionswhichsizewasbelow0.5μmasakeyfactorforcoreloss.Forfinalsample,themagneticinductionwasimprovedthroughthechangeofsteeltexturebytin.Therelationshipbetweenmagneticinductionandtin,sulphurcontentcouldberegressed:B=1.69-4.37S+0.30Sn.Fromtheregressionformulation,magneticinductioncouldbeimprovedfor0.03Twhen0.01%tinwasaddedundertheconditionofrelativelylowsulphurcontent.

简介：Thisstudyprovidesanoverviewoftheproductionandclassificationofmetallurgicalslaganditsimpactonenergy-savingandemissionreductioninthemetallurgicalindustryandananalysisoftheimpactofkeyfactorsonslagprocessingtechnology,includingabriefaccountofblastfurnace(BF)slagprocessingandapplicationswithafocusonthesteelslagdisposalprocessesandthefeaturesofsometypicalprocesses.Inviewofthecharacteristicsofthebasicoxygenfurnace(BOF)slagandthetechnicaldifficultiesfacedbythetraditionalprocesses,itdescribestheprinciple,featuresandtechnicaladvantagesoftheBaosteelshort-flow(BSSF)steelslagtreatmentprocessdevelopedbyBaosteel.Thethinkingandoutlookonthedirectionofthedevelopmentofthemetallurgicalslagprocessingprocessarestated.

简介：EffectsofMo,Nb,Tionmechanicalpropertiesandcorrosionresistanceof22.5%Crferriticstainlesssteelwereinvestigated.TheresultsshowthatMoexistsinferriticstainlesssteelmainlyinthesolutiontreatmentcondition,anditcanenhancesteel’sstrengththroughsolidsolutionstrengthening.InTi+Nbdual-stabilizedferriticstainlesssteel,thesteel’stoughnessdecreasesobviouslybecausecoarseTiNparticlesformandsomemetalliccompoundsprecipitatealongthegrainboundaries.InNbsingle-stablizedferriticstainlesssteel,NbexistseitherinthesolutiontreatmentconditionorintheformofdispersedprecipitatesNb(C,N),whichwillactasthenucleiofprecipitationofthefineσphase.Asaresult,theprecipitationofthecoarseσphasealongthegrainboundarycanbeinhibited,leadingtosignificantimprovementinsteel’stoughnessatalowtemperature.Basedonthese,highcorrosion-resistantferriticstainlesssteelB445Rwasdevelopedforthebuildingcladdingsystem.TestresultsshowthatB445Rhasasuperiorcorrosionresistancetoaustenitic316Linchloridesolution.Besides,ithasagoodformingpropertyandweldability.Allthesemakeitanidealdecoratingmaterialforthebuildingcladdingsysteminseverecoastalregions.

简介：Theentirerollerinlayedblockintelligencecoldstripshapemeterisdevelopedsuccessfullyinthispaper,whichcanstablyworkchronicallyinthecoldrollingworkshop,theindependentinnovationofthekeytechnologyofcoldstripshapemeasuring,theforeigntechnicalmonopolyandblockadearebrokenthrough.Thestructuralformwhichisdifferentfromtheinternationalpopularsegmenteddetectionrollerisputforward,theentiredetectionrollerinlayedblockisdeveloped,agroupofelasticblocksinthatthesenseorgansareinstalledareinlayedintheradialsymmetryrectangulargroovesofthedetectionrollerbody,theentirerollerstructureiscomposedofelasticpiecesandtherollerbody,thescratchofthestripsurfaceduetodifferentthermalexpansionofthetraditionaldetectionrollermeasuringunitisavoidedeffectively.Thesignaltransmissionformwhichisdifferentformtheinternationalpopulardryslipringisputforward,thespraywetslipringisdeveloped,slipringanddetectionrollercanbetakendownandinstalledaspossiblyasfast,sothemaintainisconvenient,whilethroughthesectionauto-spraycleaning,lubricationandcooling,theservicelifeisremarkableimprovedandtheoutsideinterferencesignalisreduced.Thesignalprocessingformwhichisdifferentformtheinternationalpopulargatheringcardisputforward,theembeddedDSPshapesignalprocessinghardwaresystemisdeveloped,theelectromagnet,temperature,humidityandvibration’sinterferenceofindustrypracticetoshapetransmissionsignalcanbeeffectivelyavoided,whichcanguaranteetheinstantaneityandmeasuredprecisionofshapemeasuredsignal.Theshapesignalprocessingsoftwaresystemwhosefunctioncontainserrorcompensation,patternrecognition,establishmentofthetargetshapeandtheclosed-loopcontrolcalculationisbuilt,theshapemeter’computerhumaninteractionisfriendly,andfunctionofshapemeterisstrong,atthesametimetheintellectualizedleveloftheshapemeterisimproved.Now,thi

简介：陶器的LaNiO3样品被稳固的州的反应方法在不同sintering温度准备。这被发现结果不是ABO3perovskite单身者阶段，但是双阶段La2NiO4和NiO，和二个阶段的百分比与sintering温度变化了。在1400湩的陶艺sintered？？

简介：ＲＥＥＣｏｍｐｏｓｉｔｉｏｎｓｏｆＳｅｄｉｍｅｎｔａｒｙＳｔｒａｔａｏｆＧｕｉｃｈｉＳｔｒａｔｉｇｒａｐｈｉｃＲｅｇｉｏｎ，ＮｏｒｔｈｅｒｎＭａｒｇｉｎｏｆＹａｎｇｔｚｅＢｌｏｃｋ，ａｎｄＩｔｓＧｅｏｌｏｇｉｃＳｉｇｎｉｆｉｃａｎｃｅＺｈｏｕＴａｉｘ...