化工原理(2)(全英文)知到智慧樹期末考試答案題庫2025年山東科技大學_第1頁
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化工原理(2)(全英文)知到智慧樹期末考試答案題庫2025年山東科技大學在萃取設備中,對腐蝕性流體體系,宜選用的設備為;對有固體懸浮物存在的體系宜選用。()

答案:Packedtower;rotarydiskextractiontower填料塔;轉盤萃取塔Whichofthefollowingtypesofplateismorelikelytoinduceweeping?下面哪種塔板最容易造成漏液?()

答案:Sievetrays篩板Whichofthefollowingphysicalpropertiesaretheprimaryconsiderationswhenselectingextractants?選擇萃取劑時,下列哪些物理性質是首要考慮的?()

答案:SelectivityandDensity選擇性和密度Whichofthefollowingoptionsarecorrect?以下選項正確的是()

答案:boundwater:Pe<Ps,hardtoberemoved;unboundwater:Pe=Ps,easytoberemovedWhichofthefollowingmethodscanimprovethethermalefficiencyofthedryingprocess以下哪些方法可以提高干燥過程的熱效率()

答案:Partialcirculationofwasteair部分廢氣循環;Selectingadvanceddryingequipment選擇先進的干燥設備;Payattentiontoinsulationofdryingequipment注意干燥設備的絕緣問題;Usingcombiningdryingtechnology使用結合干燥技術Whichofthefollowingconditionsaredesiredintraycolumns?下列哪些是板式塔中的理想條件?()

答案:frothing泡沫流;jetting射流Whichofthefollowingcoefficientsareinthesameunitsaspressure?下列系數中,其單位與壓強的單位相同的是:()

答案:Henrycoefficient;亨利系數Whichofthefollowingareusedintherandompackingofdistillationcolumns?下列哪些結構常被用于精餾塔的填料中?()

答案:Rashigrings拉西環;Berlsaddles貝爾鞍環;Paulrings保羅環WhichofthefollowingarepositivelycorrelatedwiththevaporflowrateqVinaplatetower?下列哪些與板式塔中氣相流量正相關?()

答案:thebubblingarea鼓泡區面積;theentrainmentratio霧沫夾帶比;liquidresidencetimeinthedowncomer降液管中液體的停留時間;flooding液泛WhenxF,xD,xW,andqareconstant,iftherefluxratioRisreducedandotherconditionsremainunchanged,then____,當xF、xD、xW和q一定時,若減小回流比R,其他條件不變,則___。()

答案:Theslopeoftherectifyingsectionoperationlinedecreases,andthetwooperationlinesareclosetotheequilibriumline精餾段操作線的斜率變小,兩操作線靠近平衡線Whenthegasvelocityislow,theliquidholdupinapackedcolumnisindependentofthegasvelocity.當氣相速率較低時,填料塔的持液量與氣速無關。()

答案:對Whenthegasvelocityishighenough,theliquidholdupinapackedcolumnisindependentofthegasvelocity.當氣相速率足夠高時,填料塔的持液量與氣速無關。()

答案:錯Whenthefeedtothedistillationtowerisavapor-liquidmixtureandthevapor-liquidmolarratiois1:5,thereferenceqvalueofthefeedthermalstateis____.當精餾塔進料為氣液混合物且氣液摩爾比為1:5時,則進料熱狀況參數q值為()。

答案:5/6Whenliquidflowrateislowinadistillationprocess,apackedcolumnispreferred.若某精餾過程中液相速率比較低,則更適合采用填料塔。()

答案:錯Whatarethetwomainstagesofdrying?干燥的兩個主要階段是什么?()

答案:Constantspeedfirst,thenreducedspeed先恒速后降速Whatarethefactorsinfluencingtheconstantvelocityphase恒速階段的影響因素有哪些()

答案:Effectofairvelocity氣流速度的影響;Effectofgashumidity氣體濕度的影響;Effectofgastemperature氣體溫度的影響;Effectofthicknessofsolidbeingdried被干燥的固體的厚度的影響Weepingisassociatedwithlowvaporflowrate,notwithlowliquidflowrate.漏液主要由氣相流率過低引起,不因低液相流速而發生。()

答案:對WepreferpackingswithHETP.填料的HETP值最好是。()

答案:low低Thereare5typesoffeedheatconditionsinthedistillationtower,amongwhich,____hasthehighestfeedqvalue.精餾塔有5種進料熱狀況,其中____進料q值最大。()

答案:Supercooledliquid過冷液體The()therelativehumidityφ,the()themoistureabsorptioncapacityofthisair相對濕度φ越(),表明這個空氣吸濕能力越()

答案:LowerHigher低高Thevaporphasecompositionrelationshipofthen-1th,nth,n+1thtraysfromthetowertoptotowerbottominthedistillationtoweris____。精餾塔中由塔頂向下的第n-1,n,n+1層塔板,其氣相組成關系為____。()

答案:yn+1Thetypesofphaseinversionmethodsare____.相轉化法的類型有____。()

答案:Dryprocess干式法;Wetprocess濕式法;Thermalprocess熱處理法ThetheoreticalnumberofplatesNTrequiredtocompletetheseparationtaskusingadistillationtoweris12(includingareboiler).IfthetotaltowerefficiencyETis60%,theactualnumberofplatesinthetoweris____.用精餾塔完成分離任務所需理論板數NT為12(包括再沸器),若全塔效率ET為60%,則塔內實際板數為____。()

答案:18floor18層,Thesurface-area-to-volumeratioofapackingisinverselyproportionalto____.填料的比表面積與____成反比()

答案:particlesize(e.g.radius)顆粒大小(粒徑)Thesmallerthedryingrateintheconstantrateperiod,the()theXc.恒速階段的干燥速率越小,臨界含水率。()

答案:smaller越小Theselectivityofextractantshouldbe.萃取劑的選擇性應該是。()

答案:Acharacterizationoftheseparationabilityofliquid-liquidextraction液液萃取分離能力的表征Theselectivityofextractantisthefirstfactortobeconsideredwhenselectingextractant.萃取劑的選擇性是選擇萃取劑時首先要考慮的因素。()

答案:對Theresistanceofmembranefiltrationiscomposedof____.膜的過濾阻力分為____.()

答案:Polarizationlayerresistance(Rp)極化層電阻(Rp);Externalfoulingresistance(Ref)外部結垢阻力(Ref);Intrinsicmembraneresistance(Rm)固有膜電阻力(Rm);Internalresistance(Rif)膜內阻(Rif)Therelativesizerelationoft,tw,tas,tdforunsaturatedairis.不飽和空氣的干球溫度t,濕球溫度tw,絕熱飽和溫度ts,露點溫度td的相對大小關系是。()

答案:t>tw=tas>tdThepreparationmethodsofinorganicmembraneare____.無機膜的制備方法有____.()

答案:Sintering燒結法;Chemicalvapourdeposition化學氣相沉積法;Sol-gel溶膠凝膠法Thepackingcharacteristicsthathaveagreaterimpactontheabsorptionoperationare____.對吸收操作影響較大的填料特性是____。()

答案:theresistancetogastobesmallTheoperatinglineofabsorptionprocessisalwaysastrictlystraightline.吸收過程的操作線總是一條嚴格的直線。()

答案:錯Thenumberoftransferunits(NTU)withrespecttogasphaseoveralldrivingforceis7.6,theheightofatransferunit(HTU)is0.5m;thentheoverallpackingheightZinthepackingtoweris____.關于氣相總傳質驅動力的傳質單元數(NTU)為7.6,一個傳質單元高度(HTU)為0.5米;那么填料塔中的填料總高度Z為____。()

答案:3.8mThenecessaryconditionsfordistillationoperationarerefluxofliquidatthetopofthetowerandupwardsteamflowatthebottomofthetower.精餾操作的必要條件是塔頂液體回流和塔底上升蒸汽流。()

答案:對Thenecessaryconditionfordistillationoperationisjustarefluxofliquidatthetopofthetower.精餾操作的必要條件僅僅是塔頂液體回流。()

答案:錯Themembranefoulinginclude____.膜污染包括____。()

答案:Organicfouling有機污染;Inorganicfouling無機污染;Microbialfouling微生物污染;Particle/colloidsfouling粒子/膠體污染Themembraneclassificationaccordingtothemembranematerialis____.膜按其材料可分為____。()

答案:Polymers聚合物膜;Ceramic陶瓷膜;Glass玻璃膜;Metal金屬膜Themembraneclassificationaccordingtomorphologyis____.按形態,膜可分為____。()

答案:Porous多孔膜;Non-porous無孔膜;Symmetric對稱膜;Asymmetric非對稱摸Themembraneclassificationaccordingtoconfigurationis____.按結構形態可將膜分為____。()

答案:Flatsheet平板膜;Tubular管式膜;Hollowfiber中空纖維膜;Symmetric對稱膜Thelargertherelativevolatilityαoflightandheavycomponents,thenumberoftheoreticalplatesrequiredtocompleteacertainseparationtaskis____.輕、重組分相對揮發度越大,完成一定分離任務所需的理論板數會____。()

答案:Less越少Theimportantmembranepropertiesare____.膜的重要性質包括____。()

答案:Hydrophilicity/Hydrophobicity親/疏水性;Surfacecharge表面電荷;Porosity孔隙率;Thermalstability熱穩定性Thehigherthetemperatureoftheair,the()itsrelativehumiditywhenthemoisturecontentisconstant空氣的濕含量一定時,其溫度愈高,則它的相對濕度越低()

答案:LowerTheheightofpackingsneededforaparticulartaskisequalto。某一分離任務所需填料高度等于()

答案:HTU?NTUTheheatofevaporationofwaterisequaltotheheatfromtheairtothewettedsolid水的蒸發熱等于從空氣到濕潤固體的熱量()

答案:對ThegreatertheheightofthetotalgasphasemasstransferunitHOGoftheabsorptiontower,themorefavorabletoabsorption.吸收塔氣相總傳質單元高度HOG越大,對吸收越有利。()

答案:錯Thefunctionofthecondenseristoprovide(B)productandensuresuitableliquidphasereflux.冷凝器的作用是提供____產品及保證有適宜的液相回流。()

答案:Overheadliquidphase塔頂液相;Theextractiondevicecanbedividedintocomponenttypeandtowertypeaccordingtoitsstructuralcharacteristicsandshape.萃取裝置中,根據構造特點和形狀的不同,可分為組件式和塔式。()

答案:對ThedrivingforceofRO、NFandUFis____.RO、NF及UF過程的驅動力是____。()

答案:Transmembranepressure跨膜壓力Thedistillationoperationisbasedonthedifferencesinvolatilitybetweenthecomponents.精餾操作依據是各組分之間揮發度的不同。()

答案:對Thebasicparametersofmembraneprocess____.膜過程的基本參數包括____。()

答案:Selectivity選擇性;Permeability滲透性TheamountofaddedextractantshouldinducethepositionofsumpointMofthesoluteandextractantbeinglocatedat.萃取劑加入量應使原料和萃取劑的和點M位于。()

答案:Areabelowthesolubilitycurve溶解度曲線下方區域TheamountofaddedextractantshouldinducethepositionofpointMofthesoluteandextractantbeinglocatedonthesolubilitycurve.萃取劑的加入量應使原料與萃取劑的和點M位于溶解度曲線上。()

答案:錯Theadvantageofthetraydryeristhatitissuitablefordifferentshapes盤式干燥機的優點是適合不同形狀()

答案:對Theactualmolarfractionofasoluteinasolventisrelatedtoitspressureinthegasmixture.溶劑中溶質的實際摩爾分數與它在混合氣體中的壓強有關。()

答案:對Theabsorptionrateismainlydeterminedbythediffusionratethroughthedoublefilm,toimprovetherelativemotionofthetwofluidsofgasandliquid,toimprovetheabsorptioneffect,thentodo____.吸收速率主要決定于通過雙膜的擴散速度,要提高氣液兩流體的相對運動,提高吸收效果,則要:()

答案:reducethethicknessofbothgasandliquidfilm,減少氣膜和液膜厚度Theabsorptionprocesscanbeusedinseparatinggasmixturesbytheirdifferentsolubility.吸收可用于分離氣體混合物。()

答案:對Sincethepartialpressureofsoluteinthegasphaseoftheabsorptionprocessisalwaysgreaterthantheequilibriumpartialpressureofsoluteintheliquidphase,theabsorptionoperationlineisalwaysabovetheequilibriumline.由于吸收過程氣相中的溶質分壓總大于液相中溶質的平衡分壓,所以吸收操作線總是在平衡線的上方。()

答案:對Refluxistheessentialdifferencebetweendistillationandordinarydistillation.回流是精餾與普通蒸餾的本質區別。()

答案:對Numberoftheoreticalplates(NTP)determinedbydrawtrianglesbetweenoperatinglineandequilibriumcurveisalwaysaninteger.通過在操作線和平衡曲線之間畫三角形的方法所確定的理論塔板數(NTP)總是一個整數。()

答案:錯Membraneseparationprocessesdrivenbypressuredifferencesare____.由壓力差驅動的膜分離過程是____。()

答案:Microfiltration微濾;Nanofiltration納濾;Ultrafiltration超濾;Reverseosmosis反滲透Introducingrefluxindistillationresultsinmasstransferbetweenthefallingliquidphaseandtherisingvaporphase,whichincreasestheconcentrationofvolatilecomponentsintherisingvaporphase.Themostappropriatestatementis____.精餾中引入回流,下降的液相與上升的汽相發生傳質使上升的汽相易揮發組分濃度提高,最恰當的說法是____。()

答案:Theentryofvolatilecomponentsintheliquidphaseintothevaporphaseandtheentryofnon-volatilecomponentsinthevaporphaseintotheliquidphasemustoccursimultaneously.液相中易揮發組分進入汽相和汽相中難揮發組分進入液相必定同時發生。Increasetheamountofabsorbent,theslopeoftheoperationlineincreases,andtheabsorptiondrivingforceincreases,too.增加吸收劑用量,操作線的斜率增大,吸收推動力增大。()

答案:對Inthetwo-phaseregionbelowthesolubilitycurve,therangeofthesolubilitycurvewilldecreaseasthetemperatureincreases.在溶解曲線以下的兩相區,隨溫度的升高,溶解度曲線范圍會縮小。()

答案:錯Inthetwo-phaseregionbelowasolubilitycurve,therangeofthesolubilitycurvewillandextractioneffectwillastemperatureincreases?在溶解曲線以下的兩相區,隨溫度的升高,溶解度曲線范圍會,萃取效果。()

答案:Decrease;becomeworse縮小;越差Intherangeof0-120℃,thespecificheatcapacitiesofvaporanddryairarerespectively.在0-120℃范圍內,水汽與干空氣的比熱容分別是。()

答案:1.88kJ/(kg·℃)and1.01kJ/(kg·℃)Intheheatandmasstransferprocessofconvectivedrying,thenecessaryconditionsforthepartialpressureofwatervaporPwofthematerialandthepartialpressureofwatervaporPofthedryingmediumtomeet在對流干燥的傳熱傳質過程中,物料的水汽分壓Pw和干燥介質的水汽分壓P滿足的必要條件()

答案:Pw>PInthegraphicalcalculationofthedistillationtower,ifthethermalstateofthefeedchangesfrombubblingpointfeedtocoldliquidfeed,itwillcause____在精餾塔的圖解計算中,若進料熱狀況由泡點進料變為冷液進料,將使____。()

答案:Theoperatinglineandqlinebothchange操作線與q線均變化Inthefallingrateperiodofdryingofporousmaterials,watervaporizesonthe()ofsolidmaterials.在多孔物料干燥過程的降速階段,水分汽化的位置是。()

答案:surfaceandinside表面和內部Inthedesignofdistillationcolumns,thehighertherefluxratio,thesmallerthetotalsumofoperatingcostandequipmentcost.精餾塔設計中,回流比越大,操作費用設備費用的總和越小。()

答案:錯Inthedesignofdistillationcolumns,thehighertherefluxratio,thefewertheoreticalplatesrequiredandthehighertheoperatingenergyconsumption.精餾塔設計中,回流比越大所需理論板數越少,操作能耗越大。()

答案:對Inthecontinuousdistillationcalculationofbinarysolutions,changesinthefeedthermalstateparameterqwillcausechangesin____.二元溶液的連續精餾計算中,進料熱狀態參數q變化,將使____的變化。()

答案:Operationlineandqline操作線與q線Inthecalculationofcontinuousdistillationofbinarysolutions,changesinthethermalstateofthefeedwillcausechangesinthefollowingline____.二元溶液連續精餾計算中,進料熱狀況的變化將引起以下線的變化。()

答案:Stripingsectionoperationlineandqline,提餾段操作線與q線;Insinglestageextraction,ifanextractantcontainingacertainsoluteAisusedinsteadofapuresolventundertheconditionthatthecompositionsoffeedliquidxFandextractionphaseyAaremaintainedconstant,theresultingcompositionoftheresidualphasexRwillbe.單級萃取中,在維持料液組成xF、萃取相組成yA不變條件下,若用含有一定溶質A的萃取劑代替純溶劑,所得萃余相組成xR將。()

答案:Increased增大Ingeneral,whichofthefollowingtypesoftrayproducestheleastheadloss?下列哪種塔板造成的流體壓頭損失最小?()

答案:Sievetrays篩板Ingasadsorption,thecomponenttobeseparatedassoluteshouldhavelowersolubilitythantheothercomponentsinthegasmixture.在氣體吸收過程中,作為要分離組分的溶質應該比混合氣體中的其他組分要具有更低的溶解度。()

答案:錯Indeterminingliquidflowrateforgasabsorption,weshouldtradeoffthedrivingforceagainstthecostforequipmentandoperation.在確定氣體吸收過程的液體流速時,我們應該用驅動力與設備費和操作成本進行權衡。()

答案:對Incalculatingabsorptioncoefficientofgasphase,weneedReynoldnumberandSchmidtnumberofgasphase.BothReynoldnumberandSchmidtnumberaredimensionless.在計算氣相的吸收系數時,我們需要氣相的雷諾數和施密特數。雷諾數和施密特數都是無量綱的。()

答案:對Inadsorptiontower,cocurrentflowisusuallysuperiortocountercurrentflow.在吸收塔中,順流通常優于逆流。()

答案:錯Inatriangularphasediagram,thevertexrepresentsapurecomponent.三角形相圖中頂點代表一個純組分。()

答案:對Inaplatecolumn,whichofthefollowingparametersarepositivelycorrelatedwithqL(liquidflowrate)?在板式塔中,下列哪些參數與液相流量正相關?()

答案:τ(liquidresidenceinthedowncomer)降液管中液體的停留時間;eV(entrainmentratio)霧沫夾帶比Inaplatecolumn,whenliquidvelocityisfixedandthegasvelocityisraisedfromasmallvalue,whatcouldhappen?在板式塔中,液相流速固定,將氣相流率從較小值逐漸增大,下列哪些現象會逐次發生?()

答案:Weepingnormaloperationflooding漏液正常操作液泛Inaplatecolumn,theheightovertheweirhowgrowswith_____.在板式塔中,堰上清液高隨____的增大而增大()

答案:liquidflowrate液相流量Inaliquid-liquidextractionternarysystems,thereare______situationsthatcanbedistinguishedbasedonthemutualsolubilityoftheircomponents?液液萃取三元物系中,按其組分之間互溶性可區分為_____種情況?()

答案:Three三種Inacolumndevice,traysorpackingsareusedto_____.在塔設備中,無論采用塔板還是填料,其目的都是。()

答案:increaseareaformasstransfer增加傳質面積InaB-Spartiallymisciblesystem,thegreatertheamountofsolutecomponentA,thegreatertheB-Smutualsolubility.在B-S部分互溶物系中,溶質A組分的量越大,B-S互溶度越大。()

答案:對Ifweadoptagasadsorptionprocessoperatingataveryhighliquidflowrate,theconsequenceswouldbe____.對于氣體吸收工藝,如果我們在很高的液體流速下運行,其后果是____。()

答案:highoperationcost,運行成本高,;lowequipmentcapitalcost,設備資本成本低,Ifweadoptagasadsorptionprocessoperatingataliquidflowratealittlebithigherthantheminimumliquidflowrate,theconsequenceswouldbe:(multiplechoices)如果我們采用在液體流速比最小液體流速高一點的情況下運行氣體吸收過程,其后果是:()

答案:lowoperationcost,運行成本低,;highequipmentcapitalcost,設備資本成本高,Iftherefluxratiousedinthecontinuousdistillationoperationislessthantheoriginalrefluxratio,then____.操作中連續精餾塔,如采用的回流比小于原回流比,則____。()

答案:BothxDandxWincreasexD、xW均增加;IftheMurphreeefficiencyandlocalefficienciesonaplateareveryclose,itimplies____.若某塊板上的Murphree效率和各處的局部效率非常接近,這意味著____。()

答案:goodmixingacrosstheplate該板上流體混合充分Howmanycomponentsdoanypointinthetriangularphasediagramrepresentinthemixture?三角形相圖內任一點,代表混合物的個組分含量。()

答案:3三Heightofclearfluidinthedowncomerisalwayslowerthantherealheight.降液管中清液層高度總比實際液面高度要低。()

答案:對Giventheequationofthedistillationsectionoperatinglineasy=0.75x+0.24,thenthetopproductconcentrationXDis____.已知精餾段操作線方程為:y=0.75x+0.24,塔頂產品濃度XD為____。()

答案:4Giventheequationofthedistillationsectionoperatinglineasy=0.75x+0.24,theoperatingrefluxratioofthetoweris____.已知精餾段操作線方程為:y=0.75x+0.24,則該塔的操作回流比為____。()

答案:0.96Generally,thedistributioncoefficientofdiluentBis.一般情況下,稀釋劑B組分的分配系數kB值。()

答案:Lessthan1小于1Forgasabsorption,themasstransferdrivingforceofcountercurrentflowishigherthanthatofcocurrentflow.對于氣體吸收來說,逆流的傳質驅動力高于逆流的傳質驅動力。()

答案:對Forgasabsorption,chemisorptionthatwithchemicalreactionsisalwaysbetterthanphysisorptionthatwithoutstronginteractions.對于氣體吸收,有化學反應的化學吸收總是比沒有強相互作用的物理吸收好。()

答案:錯Forgasabsorptionpackingtower,thenumberoftransferunits(NTU)canbedeterminedbygraphicmethodanddifferentanalyticalmethods,andtheresultsarealwaysexactlythesame.對于氣體吸收填料塔,可以通過作圖法和不同的分析法來確定傳質單元數(NTU),而且結果總是完全相同。()

答案:錯Foraplatetypestrippingtower,thenumberoftheoreticalplates(NTP)canbedeterminedbygraphicmethodanddifferentanalyticalmethods,andtheresultsarealwaysexactlythesame.(對or錯?)對于板式汽提塔來說,理論塔板數(NTP)可以通過作圖法和不同的分析法來確定,而且結果總是完全相同。()

答案:錯Foradifferentialvolume(cylindricalelement)ofapackingtowerforgasabsorption,theelementheightdZ(m),thespecificsurfacearea(m2/m3),thetowersectionareaΩ(m2),theflowrateofinertgasV'(kmol/h),themolarratiochangeofsolublecomponentdY.Then,themasstransferrateisV'dY.對于一個用于氣體吸收的填料塔的微分體積(圓柱形微元),微元高度dZ(m),比表面積(m2/m3),塔截面面積Ω(m2),惰性氣體的流速V'(kmol/h),可溶組分的摩爾比變化dY。那么,傳質速率為V'dY。()

答案:對Foracertainoperatingconditionsofthepackedabsorptiontower,suchasthetowermateriallayertoincreasesomehigher,thetowerHOGwillincrease,NOGwillremainunchanged.對一定操作條件下的填料吸收塔,如將塔料層增高一些,則塔的HOG將增加,NOG將不變。()

答案:錯Extractionusesthedifferenceinbetweenthecomponentstoseparatetheliquidmixture.萃取是利用各組分間的差異來分離液體混合物的。()

答案:Solubility溶解度Duringextractionoperations,thedistributioncoefficientofsoluteshouldbe1.進行萃取操作時,應使溶質的分配系數1。()

答案:Morethan大于Duringdistillationoperation,iftheF,D,xF,q,R,andfeedplatepositionremainunchanged,andtherefluxatthetopatbubblepointischangedtocoldrefluxlowerthanbubblepoint,thecompositionofthetopproductx+willchangeto____.精餾操作時,若F、D、xF、q、R、加料板位置都不變,而將塔頂泡點回流改為冷回流,則塔頂產品組成xD變化為____。()

答案:Increase變大DuringaB-Spartialmiscibleextractionprocess,iftheamountofpuresolventincreaseswhileotheroperatingconditionsremainunchanged,theconcentrationoftheextractionliquidwill.在B-S部分互溶萃取過程中,若加入的純溶劑量增加而其它操作條件不變,則萃取液濃度。()

答案:Uncertain不確定Dryingisnotakindofmasstransferoperation.干燥不是一種質量傳遞操作。()

答案:錯Drybasiswatercontentisthemassofwaterperunitmassofbonedrysolids干基含水量是指每單位質量的骨干固體中的水的質量()

答案:對Distillationisamethodofseparatinghomogeneousliquidmixturesbasedonthe____ofeachcomponentinthemixture.蒸餾是分離均相液體混合物的一種方法,其分離依據是混合物中各組分的____。()

答案:Volatilitydifference揮發度差異Distillationisakindofmasstransferoperation.精餾是一種質量傳遞操作。()

答案:對Commercialdryersmainlyinclude商用干燥機主要包括()

答案:Allothers其他全部Balancedmoisturemustbecombinedwithwater平衡水分一定是結合水分()

答案:對Aze

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