共查询到20条相似文献,搜索用时 15 毫秒
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1 INTRODUCTIONSulfurdistributionincokingprocessincludestwoparts .OnepartisgoingintoCOGasH2 S ,CS ,COSandC2 H2 SH .TheotherpartisresidualincokeasFeS ,CaS ,S2 andsoon .Traditionally ,theremovalofsulfurofCOGisbysprayingammoniawaterintohotcoalgastoformammoniumsulfat… 相似文献
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MechanochemicalEfectsonSynthesisofBiPbSrCaCuOSuperconductorLiXiming(李希明)InstituteofChemicalMetalurgy,ChineseAcademyofSci... 相似文献
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1IntroductionSiC,curentlytheprimarywidebandgapsemiconductorswithabandgaprangesfrom2.2eV(3CSiC)to3.3eV(4HSiC)atroomtempera... 相似文献
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ThermodynamicAnalysisofGaAsSbCHSystemandDesignofMOVPEProcesforGa(As,Sb)SemiconductorLiJingbo,ZhangWeijing,LiChangrongandD... 相似文献
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MOCVDGrowthofQuaternaryGaxIn1-xAs1-ySbyAloys:SolidCompositionZhangBaolin,JinYixin,ZhouTianming,NingYongqiang(张宝林)(金亿鑫)(周天明)(宁永强)JiangHongandLiShuwei(蒋红)(李树纬)ChangchunInstituteofPhysics,ChineseAcademyofSciences,Changchun,130021,ChinaReceived25July199… 相似文献
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Numerical simulation of semisolid continuous casting process 总被引:1,自引:0,他引:1
1 INTRODUCTIONSemisolidcontinuouscasting(SCC)isstillintheexperimentalstudystageinChina[1~ 3] .Therefore ,manyproblemsareneededtobeexploredcontinuous ly .Amongthem ,thebreakageandbreakoutarethekeyblockstolimittheindustrialapplicationoftheprocess.Becauseoftheco… 相似文献
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《中国有色金属学会会刊》1995,(3)
EditorialCommitteeofTransactionsoftheNonferrousMetalsSocietyofChina¥//Chairman:HeBoquanProfessorVice-Chairman:ChenJiayongRese... 相似文献
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1 INTRODUCTIONPyrite (FeS2 )isatypical 3dtransitionmetalmaterial.Acomprehensivestudyofelectronicstruc tureofFeS2 ishelpfultounderstandingtheseriesofelectronicstructureoftransitionmetaldisulfideMS2(M =Fe ,Co ,Ni ,Cu ,Zn)withthepyritestructurebecauseoftheirwideran… 相似文献
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1 INTRODUCTIONTi1 0V2Fe3Aland 3 0CrMnSiNi2Aaretypicalmaterialstomanufacturelanding gearofairplanewhichbearsdynamicloadingduringtakingoffandlanding[1].AerospacesparesdesignedbyNormalQuasi staticStrengthDesignCriterionfacethecon tradictoryofsafetyandeconomy .Dyn… 相似文献
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ELECTRODEPOSITION OF AMORPHOUS Ni-P ALLOY COATINGS 总被引:1,自引:0,他引:1
Fang Zhaoheng Institute of Chemical Metallurgy Chinese Academy of Sciences Beijing 《中国有色金属学会会刊》1997,(3)
ELECTRODEPOSITIONOFAMORPHOUSNiPALLOYCOATINGS①FangZhaohengInstituteofChemicalMetalurgy,ChineseAcademyofSciences,Beijing100080... 相似文献
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沙维 《稀有金属(英文版)》1994,(4)
CharacterisationofaMechanicallyAlloyedOxideDispersionStrengthenedNiekel-baseSuperalloyShaWei(沙维)DepertmentofMaterialsSciencea... 相似文献
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《中国有色金属学会会刊》1995,(1)
ABSTRACTSfromTRANSNFsoc(Chineseedition)Vol.4,No.4,Dec.1994A-GeologyandMining;B-MineralProcessingand Metallurgy;C-Materials Sc... 相似文献
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1 INTRODUCTIONComparedtoconventionaltechnologiessuchascastingandplasticforming ,semi solidmetalprocess ing (SSP)isakindofnewlyemergingmetalprocess ingtechnology ,beinghighlyefficientandlow con suming .So ,itisnecessarytoconductsometheoreti calandexperimentals… 相似文献
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H. Q. Ru) N. Zhang) P. Z. Yu) X. D. Sun)) Northeastern University Shenyang China) Shenyang University Shenyang China 《金属学报(英文版)》1999,12(5):1175-1179
1.IntroductionSiChasbeenwidelyusedasspecialrefractories.Withdifferentbondingphases,SiCrefractoryscanbeclassifiedintooxide/SiC,Si3N4/SiC,Sialon/SiCandSiC/SiCsystems.TheSialon(Si6zAlzOzN8x,0<z<4.2)/SiCsystem,duetoitsbetterphysicalandchemicalpropertie… 相似文献
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Mechanical Property and Microstructure of Oxide Dispersion Strengthened Nickel-base Superalloy MA758
沙维 《稀有金属(英文版)》1996,(3)
MechanicalPropertyandMicrostructureofOxideDispersionStrengthenedNickel-baseSuperalloyMA758ShaWei沙维(DepartmentofCivilEngineeri... 相似文献
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Stability condition of semisolid continuous casting process 总被引:2,自引:0,他引:2
1 INTRODUCTIONThesemisolidcontinuouscasting ,SSCCforshort,isanew processwithlowconsumptionandhighproductivityto producehigh qualitybilletforsemisolidalloysforming .However ,thebreakoutandbreakageoftenoccurintheprocessbecauseoflackingsufficientresearchonth… 相似文献
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1 INTRODUCTIONThetwosuccessfulfamiliesofrare earthcobaltpermanentmagnetsproducedcommerciallyareSmCo5andSm2 Co17.TheSmCo5magnetshaveb 相似文献
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Mechanical Property and Microstructure of Oxide Dispersion Strengthened Nickel-base Superalloy MA758
沙维 《稀有金属(英文版)》1997,(1)
MechanicalPropertyandMicrostructureofOxideDispersionStrengthenedNickelbaseSuperaloyMA758ShaWei(沙维)DepartmentofCivilEngineeri... 相似文献