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雅思流程图八大范文
1.《蚕丝制作》 Sample Asisdisplayedinthefirstdiagramthelifecycleofthesilkwormcanbecategorizedinto4mainstages.Firstthelifeofthesilkwormstartsfromeggspropagatedbythemothandittakes10daysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Silkwormlarvacontinuestogrowin4to6weeksthenwrappingitselfwithsilkthreadtoconstructacocooninthenext3to8weeks.Amothcanbeproducedfromthecocoonin16days.Thelifecyclebeginsagainfromthenon. Focusingontheseconddiagramitillustratesthe5mainstepsoftheprocedureofproducingsilkcloth.Wellgeneratedcocoonswillbeselectedfirstly.Beforethesilkthreadcanbeunwoundcocoonshavetobeboiledinhotwater.Onecocooncanproduceapproximately300to900metresofsilkthread.Theunwoundthreadwillbedyedafterwardstobeweavedintosilkcloth. Overallthetwodiagramsrevealthestageofproducingcocoonsinthelifecycleofthesilkwormcanbeusedtomakesilkcloththrough5simplesteps. CambridgeIELTS6Version: Thefirstdiagramshowsthattherearefourmainstagesinthelifeofthesilkworm. Firstofalleggsareproducedbythemothandittakestendaysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Thisstagelastsforuptosixweeksuntilthelarvaproducesacocoonofsilkthreadarounditself.Afteraperiodofaboutthreeweekstheadultmothseventuallyemergefromthesecocoonsandthelifecyclebeginsagain. Thecocoonsaretherawmaterialusedfortheproductionofsilkcloth.Onceselectedtheyareboiledinwaterandthethreadscanbeseparatedintheunwindingstage.Eachthreadisbetween300and900metreslongwhichmeanstheycanbetwistedtogetherdyedandthenusedtoproduceclothintheweavingstage. Overallthediagramsshowthatthecocoonstageofthesilkwormcanbeusedtoproducesilkcloththroughaverysimpleprocess.
2.《户外取水》 Thechartdescribeshowwaterisobtainedoutdoors. Accordingtothefigurethefirststepofobtainingwateroutdoorsistofindaholewithgreenplantsonitsbottom.Nextremovethegreenplantsinthemiddleandputacontainerthere.Thencovertheholewithaplasticsheetandplacetwostonesonbothendsofittosecureitsposition.Athirdstoneislaidonthemiddleoftheplasticsheetsothatthemiddlepartisalsothelowestpart. Whenthesunshinesonthegreenplantsintheholewaterevaporatesfromtheseplants.Thevaporrisesupandthencoolsdowntoformwaterdropsontheplasticsheet.Whenthereismoreandmorewateritflowsalongthesheettoaccumulateonthelowestpart.Finallywaterfallsdownintothecontainerdirectlyunderthemiddlestone. Thuswateriscollectedsuccessfullythroughevaporationfromgreenplants.
3.《房屋不同季节的构造》 Asisdisplayedintheflowcharttheprinciplesofinsulationincoolandwarmclimaterespectivelydiffertoalargeextent. Astothesituationofcoolclimateweadoptthehigh-angledroofinordertobenearlyparallelwiththedirectionofthesunsothatthedirectexpositiontotheheatofsunislessenedasmuchaswecan.Bythisthetemperatureofthematerialwon’tfluctuatewithinalargerange.Meanwhilethermalbuildingmaterialcouldenhancetheheatstorageinsulationpreventingoutflowthusreductionofheat. Adverselyinwarmclimatereflectivebuildingmaterialisindispensablewithoverhandsforshade.Thedirectionoftheroofisalmostverticaltothedirectionofthesuntoleadtoexternalinsulationreflection.Bythisventilationwouldresultintheremovalofheatstorageratherthanreduction. Throughthedifferentworkingprinciplesofventilationwearefascinatedbythemasterpiecesofmodernscienceandtechnology. 4.《超市建造地点选择》 AsisunfoldedinthemapPlaceMandNhavetheiruniqueprosandconsastotheplaceforbuildingthesupermarket. FirstofallPlaceNislocatedintheurbanareaoftheGtownwhichmayhavemorepopulationandbusiness.ThisadvantageisincomparablewithPlaceM.What’smoreMainroadrunsacrossthecenterareawithconvenienceintrafficandlogisticsforthemarketafterwards.Howevertheplaceisequallyfarawayfromtheneighborhoodandthesuburbareaandcannotattracttheresidentsintheoutskirts. Asadouble-edgedswordPlaceMismorespecificallycustomer-oriented.InspiteofitscomparablyremotelocationwithPlaceNitwouldattractmorecustomersintheoutskirtsfortheyarereluctanttomakealongtripforshopping.Ontheotherhandthetrainlinenearbywillalsobringconvenienceintraffictotheurban-dwellers.Situatedtothenorth-westofPlaceNPlaceMisneartheAandBTownwithtotalpopulationof23millionfaroutnumberingtheoverallpopulationofDandEtownwith12million. What’sworthyofbeingmentionedisthatfiercecompetitioninPlaceNandprobablemonopolyinPlaceMshouldalsobetakenintoaccountwhenbuildingthesupermarket.
5.《玻璃的再生》 Asisdisplayedintheflowcharttherecyclingprocessofglassisreallyacomplexone. Theoverallprocesscanbecategorizedinto3stages.FirstglassproductsinvariousformsaregatheredintheCollectionpointsothattheyareeasilytransportedbyspecialtrucksorvanstotheCleaningplantwheretheygetsterilizationbyhigh-pressuredwater.TherearethreedifferentchannelsintheRecyclingplantnamelyBrownGreenandClearwhichrepresentthecolorsofglass.Afterrecycledinthefurnaceglassproductsaremeltedintorecycledliquidglass.Mixedwithnewliquidglassthecompoundisfinallymouldedintosolidglasswhichafterwardswillbesenttovariouscustomersupermarketsforselling.Thustheglasswillgotothecustomersfordifferentpurposes. Throughabriefintroductionofthecircleofglassrecyclingwecometorealizethatrecyclingplaysavitalroleinenvironmentalprotectionandecologicalpreservation. 6.《化肥的制作》 Asisshownintheflowcharttheprocessofrecyclingorganicwastetoproducecompostisreallyacomplexone. Thewholeprocesscanbecategorizedintofivestages.Firstofallprepareaplasticcontainerwhichhasfourholesforventilatingtheair.Thereisarulewhenputtingwasteintothecontainerfoodatthebottomwithin15centimetershighgrassatthemiddleandnewspaperatthetopwithin15centimetershighaltogetherinordertomakeaoptimumenvironmentfordifferentbacteriareproducing.Inthefollowingstagewecanwitnessnitrogenandwaterbeingputintothecontainer.Whatsworthmentioningisthatwaterisonlyaddedinahotweather.Nextheatthewasteandletthebacteriareproducefastlywithwhichtheorganicwastecanbedecomposedandbecamegardenfertiliserafter6months.Subsequentlywecancarrythecompostoutandmoveittothegardenthusanewrecyclingcanbegin. Inconclusionusingthiswaytoturntheorganicwasteintogardenfertiliserisenvironmentallyfriendly.Byenlargingthenumberorvolumeofthecontainerwecandisposemorewasteatthesametime. 7.《美国黄石公园植被恢复》(暂无范文) 8.《咖啡的制作》 Thediagramshowsthestagesintheprocessofmakingchocolate. ChocolatecomesfromthecacaotreewhichisgrowninpartsofSouthAmericaAfricaandIndonesia.Thetreeproduceslargeredpodswhichcontainwhitecocoabeans.Firstlywhenthepodsareripetheyareharvestedthebeansareremovedandtheyarefermentedforseveraldaysinlargewoodenboxes.Duringthefermentingprocessthebeansturnbrown. Nextthebrownbeansarespreadinthesuntodry.Theyarethenputinlargesacksandtransportedbytrainorlorry.Afterthisthebeansaretakentoachocolatefactorywheretheyareroastedinanovenattemperaturesofbetween250and350degreeCelsius. Afterbeingroastedthebeansarecrushedandtheoutershellisremoved.Thispartisnotneededformakingchocolate.Finallytheinnerpartofthebeanispressedandliquidchocolateisproduced.
9.《砖块的制作》 Theprocessbywhichbricksaremanufacturedforthebuildingindustrycanbeoutlinedinsevenconsecutivesteps.Firsttherawmaterialclaywhichwasjustbelowthesurfaceofsoilincertainclay-richareashastobedugupbyadigger. Thenthelumpsofclayareplacedonametalgridinordertobreakupthebigchunksofclayintomuchsmallerareaswhichfallthroughthemetalgridontoarollerwhosemotionfurthersegregatesthebitsofclay.Sandandwaterareaddedtomakeahomogenousmixturewhichistheneitherformedinmouldsorcutintobrick-shapedpiecesbymeansofawirecutter. Thosefreshbricksarethenkeptinadryingovenforatleast24andamaximumof48hoursseveraldozensifnothundredsofbricksatatime.Thedriedbricksarethentransferredtoaso-calledkilnanothertypeofhightemperatureoven.Firsttheyarekeptatamoderatetemperatureof200℃-1300℃.Thisprocessisfollowedbycoolingdownthefinishedbricksfor48to72hoursinacoolingchamber. Oncethebrickshavecooleddownandhavebecomehardtheygetpackagedanddeliveredtotheirfinaldestinationbeitabuildingsiteorstorage.。