简介：Theoceanpoly-metallicnodulewasleachedbyusingslurryelectrolysisprocessinHCl-NaClmedium.TheleachingratesofMn,Co,CuandNiintheoceanpoly-metallicnoduleareallabove97%.Meanwhile,thehighpurityofelectrolyticMnO2isalsoobtainedasananodeproduct.Theeffectsofelectrolysiselectricquantity,acidity,temperature,slurrydensity,grainsizeandironionsconcentrationwerestudied.Theresultsshowthattheoceanpoly-metallicnodulecanbetreatedeconomicallyintheslurryelectrolysisprocess.

简介：Thesuccinylationofcornstarchbyslurryreactionhasbeenstudiedusingsodiumhydroxideascatalyst.SeveralreactionparametersafJectingthesuccinylationwereinvestigatedincludingtheconcentrationofstarchinwater,theratioofsuccinicanhydridetostarch,thereactiontimeandthereactiontemperature.Thefavorableconditionsforanintermediatedegreeofsubstitution(DS)andreasonablyhighreactionefficiency(RE)arepH8.5～9.0,50%starchbyweighttowater,succinicanhydridetostarchI/I(w/w),reactiontime4h,reactiontemperature30℃Undertheseconditions,theDSof0.45andREof28%wereachieved.Theadditionofanadequateamountofcrosslinkingagentimpartedstarchsuccinatewaterabsorbency.

简介：Theslurry-bedhydrocrackingofKaramayVGOwithwater-solubledispersedcatalystwasstudiedandthecatalystafterbeingseparatedfromthereactionproductswasanalyzedbyusingLRS,XRDandXPStoidentifythecrystalstructureofthecatalyst.Inthispaper,thecatalyticfunctionsofmolybdenum,nickelandironwerestudiedrespectivelyduringtheslurry-phasehydrocrackingwhileusingdiphenylmethaneasthemodelcompoundandVGOfromKaramaycrudeasthefeedstock.Thetestresultsshowedthat,duringtheslurry-phasehydrocrackingofheavyoil,themetalsulfidesenteredintochemicalreactionswiththefreeradicalintermediateH·formedonthecatalystsurface.Thefree-radicalintermediateH·formedonthecatalystsurfacecouldreactwiththefree-radicalsofbigmoleculesandcouldsuppresscokedeposition.

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简介：Themaincharacteristicsofhighchromerefractoriesforcoalwaterslurrygasifierswereintroduced.ThedamagemechanismoftherefractorieswasanalyzedbyobservingthemicrostructureoftheusedhighchromerefractorieswiththeaidofSEM.Themaininfluencingfactorsontheservicelifeoftherefractoriesweresummarized.

简介：Silicide涂层被泥浆包硬化进程为把SiO2用作纯艾尔Si来源的12h在1173K在铜矩阵上在electro-deposited镍层上作好准备作为reducer搽粉，NaF+NH4Cl和蛋白(鸡蛋白人)是连贯的代理人。微观结构，性质和silicide涂层的siliconizing机制被讨论。有220μm厚度的silicide涂层主要是的试验性的结果表演Ni2Si阶段和Ni31Si12阶段。它的吝啬的微坚硬(HV790)比铜底层(HV70)的是十次。磨擦的系数从0.8纯铜减少到大约0.3硅Z样品。SiF2,SiCl2和SiCl3在泥浆包装硬化过程期间为Si的交通和免职负责。

简介：一篇小说微为金属(MFCM)扔保险丝为生产A356铝合金泥浆的过程被建议。MFCM意味着精制金属泥浆从坩锅的底部的插头外面被贴在水平活动的板。在生产软件的3D的帮助下，melt被团结并且由层形成了层。激动人心能由于毁坏树突手臂的shear力量把成分和金属泥浆制服的热散开放在坩锅。A356合金的先令和liquidus温度是559.2和626.3'

简介：AchangeintheEuropeanUnionenergypolicyhasmarkedlypromotedtheexpansionofbiogasproduction.Consequently,largeamountsofnutrient-richresiduesarebeingusedasorganicfertilizers.Inthisstudy,apotexperimentwasconductedtosimulatethehigh-risksituationofenhancedgreenhousegas(GHG)emissionsfollowingorganicfertilizerapplicationinenergymaizecultivation.WehypothesizedthatcattleslurryapplicationenhancedCO_2andN_2Ofluxescomparedtobiogasdigestatebecauseoftheoverallhighercarbon(C)andnitrogen(N)input,andthathigherlevelsofCO_2andN_2OemissionscouldbeexpectedbyincreasingsoilorganicC(SOC)andNcontents.Biogasdigestateandcattleslurry,atarateof150kgNH_4~+-Nha~(-1),wereincorporatedinto3soiltypeswithlow,medium,andhighSOCcontents(Cambisol,MollicGleysol,andSapricHistosol,termedClow,Cmedium,andChigh,respectively).TheGHGexchange(CO_2,CH_4,andN_2O)wasmeasuredon5replicatesoveraperiodof22dusingtheclosedchambertechnique.TheapplicationofcattleslurryresultedinsignificantlyhigherCO_2andN_2Ofluxescomparedtotheapplicationofbiogasdigestate.NodifferenceswereobservedinCH_4exchange,whichwasclosetozeroforalltreatments.SignificantlyhigherCO_2emissionswereobservedinChighcomparedtotheothertwosoiltypes,whereasthehighestN_2OemissionswereobservedinCmedium.Thus,theresultsdemonstratetheimportanceofsoiltype-adaptedfertilizationwithrespecttochangingsoilphysicalandenvironmentalconditions.

简介：ThisArticlepresentsathreedimensionalnumericalmodelinvestigatingthermalperformanceandhydrodynamicsfeaturesoftheconfinedslotjetimpingementusingslurryofNanoEncapsulatedPhaseChangeMaterial(NEPCM)asacoolant.Theslurryiscomposedofwaterasabasefluidandn-octadecaneNEPCMparticleswithmeandiameterof100nmsuspendedinit.AsinglephasefluidapproachisemployedtomodeltheNEPCMslurry.ThethermophysicalpropertiesoftheNEPCMslurryarecomputedusingmodernapproachesbeingproposedrecentlyandgoverningequationsaresolvedwithacommercialFiniteVolumebasedcode.TheeffectsofjetReynoldsnumbervaryingfrom100to600andparticlevolumefractionrangingfrom0%to28%areconsidered.ThecomputedresultsarevalidatedbycomparingNusseltnumbervaluesatstagnationpointwiththepreviouslypublishedresultswithwaterasworkingfluid.ItwasfoundthataddingNEPCMtothebasefluidresultswithconsiderableamountofheattransferenhancement.ThehighestvaluesofheattransfercoefficientsareobservedatH/W=4andC_m=0.28.However,duetothehigherviscosityofslurrycomparedwiththebasefluid,theslurrycanproducedrasticincreaseinpressuredropofthesystemthatincreaseswithNEPCMparticleloadingandjetReynoldsnumber.

简介：Semi-solidAl2Y/AZ91magnesiummatrixcompositesslurrywaspreparedbyultrasonicvibration,effectofultrasonicvibrationtemperatureandtimeonmicrostructureofsemi-solidslurrywasinvestigated.Theresultsshowedthatwiththeultrasonicvibrationtemperaturedecreasingthesolidvolumefractionofsemi-solidslurryincreased.Thebestultrasonicvibrationtemperaturewas600oC.Withtheincreaseofultrasonicvibrationtime,theaveragegraindiameterofprimaryа-Mgparticlesdecreasedfirstly,thenincreased,theaverageshapefactorincreasedgraduallyanddecreasedslightlyafter90s,andafewrosettedendriteswereobservedafter120s.Thebestsemi-solidslurrywithaveragegraindiameterof75μmandshapefactorof0.7weregainedafterthemeltwastreatedbyultrasonicvibrationforabout60satnearliquidustemperature(600oC).Atlast,themicrostructureevolutionmechanismofsemi-solidmagnesiummatrixcompositesslurrywasanalyzedbythetheoriesofthermodynamicsandkinetics.

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