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1、TestPaper(1)Ⅰ.TranslatethefollowingexpressionsintoEnglish.(15points)钢铁工业炉外精炼烧结矿炼铁原料高炉车间渣池天然气回转窑废钢转炉工艺试样分析不锈钢普碳钢感应炉机械性能Ⅱ.TranslatethefollowingexpressionsintoChinese.(15points)blastfurnacewroughtironhematitecombustionchamberdirectreductionprocessdressingplantslagformertrampelementtappin
2、gholediesteelcontinuous-castingsystemfatiguestrengthcorrosion-resistingsteelelectro-refiningelectrolyticcellⅢ.Fillintheblankswiththewords.(10points)1.Asearlyas3,000yearsago,wasservingasabasisofhumancultureandcivilization.2.Ironoxidesarealwaysmixedwithimpuritieswhicharecalledthe.3.Comp
3、aredwithlumporesandsinter,haveanarrowsizerange,constantqualityandgoodpermeabilityduringreduction.4.Moltenironandslagproducedintheblastfurnaceareremovedandseparatedinthe.5.Normaloperationutilizesthreestovessuchthatoneisalwayson,whiletheothertwoareongas.6.ThemaincomponentsoftheMidrexpro
4、cessesaretheshaftfurnace,thegas,andthecooling-gassystem.7.Manganeseoxidescanlowerthepointofbasicslagandaccelerateslagformation.8.Duringtapping,thebathshouldhaveatemperatureof1,600to1650℃.9.Theladleisusuallyheldbyateemingduringtappingtominimizeexposureofthesteamtoairandminimizeerosiono
5、fladlerefractory.10.InthecaseofASEA-SKF,theequipmentcomprisesaladle-furnace,amobileinduction,asteamejectorandavacuumcoverfittedwithelectrodesforheating.Ⅳ.Decidewhetherthefollowingstatementsaretrueorfalse(T/F)(10points)1.ThefirstBessemerconverterwaslinedwithcarbonbricks.()2.Ifthegangue
6、containsmainlylime,theoreis“acid”;ifsiliconacid(SiO2)predominates,theoreis“basic”.()3.Themoltenironisdeliveredtoaseriesofrefractory-linedhotmetalcarsfortransportationtothesteelplant.()4.Thestoveconsistsofseveralparts:theshell,thecombustionchamber,thecheckerwork,andcontrolvalvesandline
7、sthatregulateanddeliverthevariousgasses.()5.Inmeltergasifiersprocesses，theCOREXprocesswhicharedevelopedtogetherbytheVoestAlpineandGermanKorfhasgoneintoproduction.()6.Fluorsparisbasicallysiliconfluoridewithvaryingimpurities,andsometimescontainslead.()7.Intheoxygensteelmakingprocesses,c
8、leana
