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1、说明：1.允许使用中英文字典。2.原则上，中文题用中文回答，英文题用英文回答。3.选修小语种的同学可不做英语题，但须作附加题。试题2005一、填空1.Theextentofmicroorganisminactivationdependsonthecombinationoftemperatureandholdingtime.(p.41)2.TypesofsingleeffectevaporatorsofmilkincludeBatchPan,Risingfilm,Fallingfilm,Plateevaporato
2、rsandScrapedsurface(58)3.ConcentratedDairyProductsincludeEvaporatedSkimmilk,WholeMilk,SweetenedCondensedMilk,CondensedButtermilkandCondensedWhey.(p.68)4.DriedDairyProductsincludeMilkPowder,WheyPowderandWheyProteinConcentrates(p.68)5.Thefollowingmayallbeaddedt
3、othecheesemilk:Calciumchoride,nitrates,colour,hydrogenperoxideandlipases二、名词解释1.SMP:Skimmilkpowder(p.70)2.WPC:wheyproteinconcentrate(p.53)3.buttermilk:4.MSNF:Theserumsolidsormilksolids-not-fat(MSNF)containthelactose,caseins,wheyproteins,minerals,andashcontent
4、oftheproductfromwhichtheywerederived(p.86).5.Cheese:Traditionally,cheesewasmadeasawayofpreservingthenutrientsofmilk.Inasimpledefinition,cheeseisthefreshorripenedproductobtainedaftercoagulationandwheyseparationofmilk,creamorpartlyskimmedmilk,buttermilkoramixtu
5、reoftheseproducts.(p.72)6.UHT:ultra-hightemperature(p.48)7.Plateheatexchanger.Thispieceofequipmentconsistsofastackofcorrugatedstainlesssteelplatesclampedtogetherinaframe.Thereareseveralflowpatternsthatcanbeused.Gasketsareusedtodefinetheboundariesofthechannels
6、andtopreventleakage.Theheatingmediumcanbevacuumsteamorhotwater(p42).8.Yogurt:(alsospelledyogourtoryoghurt)isasemi-solidfermentedmilkproductwhichoriginatedcenturiesagoinBulgaria.It'spopularityhasgrownandisnowconsumedinmostpartsoftheworld.Althoughtheconsistency
7、,flavourandaromamayvaryfromoneregiontoanother,thebasicingredientsandmanufacturingareessentiallyconsistent(p.75):9.LA:Lactobacillusacidophilus(p.77)10.LAB:lacticacidbacteria(p..73)三、简述题1.WhatistheStoke'sLaw???(p.39)?CentrifugationisbasedonStoke'sLaw.Theparticl
8、esedimentationvelocityincreaseswith:·increasingdiameter·increasingdifferenceindensitybetweenthetwophases·decreasingviscosityofthecontinuousphaseIfrawmilkwereallowedtostand,thefatglobulesw
