流程图范文.docx

流程图范文.docx

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流程图范文

流程图范文

1.《蚕丝制作》

Sample：

Asisdisplayedinthefirstdiagram,thelifecycleofthesilkwormcanbecategorizedinto4mainstages.First,thelifeofthesilkwormstartsfromeggspropagatedbythemoth,andittakes10daysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Silkwormlarvacontinuestogrowin4to6weeks,thenwrappingitselfwithsilkthreadtoconstructacocooninthenext3to8weeks.Amothcanbeproducedfromthecocoonin16days.Thelifecyclebeginsagainfromthenon.

Focusingontheseconddiagram,itillustratesthe5mainstepsoftheprocedureofproducingsilkcloth.Wellgeneratedcocoonswillbeselectedfirstly.Beforethesilkthreadcanbeunwound,cocoonshavetobeboiledinhotwater.Onecocooncanproduceapproximately300to900metresofsilkthread.Theunwoundthreadwillbedyedafterwardstobeweavedintosilkcloth.

Overall,thetwodiagramsrevealthestageofproducingcocoonsinthelifecycleofthesilkwormcanbeusedtomakesilkcloththrough5simplesteps.

CambridgeIELTS6Version:

Thefirstdiagramshowsthattherearefourmainstagesinthelifeofthesilkworm.

Firstofall,eggsareproducedbythemothandittakestendaysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Thisstagelastsforuptosixweeksuntilthelarvaproducesacocoonofsilkthreadarounditself.Afteraperiodofaboutthreeweeks,theadultmothseventuallyemergefromthesecocoonsandthelifecyclebeginsagain.

Thecocoonsaretherawmaterialusedfortheproductionofsilkcloth.Onceselected,theyareboiledinwaterandthethreadscanbeseparatedintheunwindingstage.Eachthreadisbetween300and900metreslong,whichmeanstheycanbetwistedtogether,dyedandthenusedtoproduceclothintheweavingstage.

Overall,thediagramsshowthatthecocoonstageofthesilkwormcanbeusedtoproducesilkcloththroughaverysimpleprocess.

2.《户外取水》

Thechartdescribeshowwaterisobtainedoutdoors.

Accordingtothefigure,thefirststepofobtainingwateroutdoorsistofindaholewithgreenplantsonitsbottom.Next,removethegreenplantsinthemiddleandputacontainerthere.Then,covertheholewithaplasticsheetandplacetwostonesonbothendsofittosecureitsposition.Athirdstoneislaidonthemiddleoftheplasticsheetsothatthemiddlepartisalsothelowestpart.

Whenthesunshinesonthegreenplantsinthehole,waterevaporatesfromtheseplants.Thevaporrisesupandthencoolsdowntoformwaterdropsontheplasticsheet.Whenthereismoreandmorewater,itflowsalongthesheettoaccumulateonthelowestpart.Finally,waterfallsdownintothecontainerdirectlyunderthemiddlestone.

Thus,wateriscollectedsuccessfullythroughevaporationfromgreenplants.

3.《房屋不同季节的构造》

Asisdisplayedintheflowchart,theprinciplesofinsulationincoolandwarmclimaterespectivelydiffertoalargeextent.

Astothesituationofcoolclimate,weadoptthehigh-angledroofinordertobenearlyparallelwiththedirectionofthesunsothatthedirectexpositiontotheheatofsunislessenedasmuchaswecan.Bythis,thetemperatureofthematerialwon’tfluctuatewithinalargerange.Meanwhile,thermalbuildingmaterialcouldenhancetheheatstorageinsulation,preventingoutflow,thusreductionofheat.

Adversely,inwarmclimate,reflectivebuildingmaterialisindispensablewithoverhandsforshade.Thedirectionoftheroofisalmostverticaltothedirectionofthesuntoleadtoexternalinsulationreflection.Bythis,ventilationwouldresultintheremovalofheatstorageratherthanreduction.

Throughthedifferentworkingprinciplesofventilation,wearefascinatedbythemasterpiecesofmodernscienceandtechnology.

4．《超市建筑地点选择》

Asisunfoldedinthemap,PlaceMandNhavetheiruniqueprosandconsastotheplaceforbuildingthesupermarket.

Firstofall,PlaceNislocatedintheurbanareaoftheGtown,whichmayhavemorepopulationandbusiness.ThisadvantageisincomparablewithPlaceM.What’smore,Mainroadrunsacrossthecenterareawithconvenienceintrafficandlogisticsforthemarketafterwards.However,theplaceisequallyfarawayfromtheneighborhoodandthesuburbareaandcannotattracttheresidentsintheoutskirts.

Asadouble-edgedsword,PlaceMismorespecificallycustomer-oriented.InspiteofitscomparablyremotelocationwithPlaceN,itwouldattractmorecustomersintheoutskirts,fortheyarereluctanttomakealongtripforshopping.Ontheotherhand,thetrainlinenearbywillalsobringconvenienceintraffictotheurban-dwellers.Situatedtothenorth-westofPlaceN,PlaceMisneartheAandBTownwithtotalpopulationof23million,faroutnumberingtheoverallpopulationofDandEtown,with12million.

What’sworthyofbeingmentionedisthatfiercecompetitioninPlaceNandprobablemonopolyinPlaceMshouldalsobetakenintoaccountwhenbuildingthesupermarket.

5.《玻璃的再生》

Asisdisplayedintheflowchart,therecyclingprocessofglassisreallyacomplexone.

Theoverallprocesscanbecategorizedinto3stages.First,glassproductsinvariousformsaregatheredintheCollectionpoint,sothattheyareeasilytransportedbyspecialtrucksorvanstotheCleaningplant,wheretheygetsterilizationbyhigh-pressuredwater.TherearethreedifferentchannelsintheRecyclingplant,namelyBrown,GreenandClear,whichrepresentthecolorsofglass.Afterrecycledinthefurnace,glassproductsaremeltedintorecycledliquidglass.Mixedwithnewliquidglass,thecompoundisfinallymouldedintosolidglass,which,afterwards,willbesenttovariouscustomersupermarketsforselling.Thus,theglasswillgotothecustomersfordifferentpurposes.

Throughabriefintroductionofthecircleofglassrecycling,wecometorealizethatrecyclingplaysavitalroleinenvironmentalprotectionandecologicalpreservation.

6．《化肥的制作》

Asisshownintheflowchart,theprocessofrecyclingorganicwastetoproducecompostisreallyacomplexone.

Thewholeprocesscanbecategorizedintofivestages.Firstofall,prepareaplasticcontainerwhichhasfourholesforventilatingtheair.Thereisarulewhenputtingwasteintothecontainer,foodatthebottomwithin15centimetershigh,grassatthemiddleandnewspaperatthetopwithin15centimetershighaltogether,inordertomakeaoptimumenvironmentfordifferentbacteriareproducing.Inthefollowingstage,wecanwitnessnitrogenandwaterbeingputintothecontainer.What'sworthmentioningisthatwaterisonlyaddedinahotweather.Next,heatthewasteandletthebacteriareproducefastly,withwhichtheorganicwastecanbedecomposedandbecamegardenfertiliserafter6months.Subsequently,wecancarrythecompostoutandmoveittothegarden,thusanewrecyclingcanbegin.

Inconclusion,usingthiswaytoturntheorganicwasteintogardenfertiliserisenvironmentallyfriendly.Byenlargingthenumberorvolumeofthecontainer,wecandisposemorewasteatthesametime.

7．《美国黄石公园植被复原》（暂无范文）

8．《咖啡的制作》

Thediagramshowsthestagesintheprocessofmakingchocolate.

Chocolatecomesfromthecacaotree,whichisgrowninpartsofSouthAmerica,AfricaandIndonesia.Thetreeproduceslargeredpodswhichcontainwhitecocoabeans.Firstly,whenthepodsareripe,theyareharvested,thebeansareremovedandtheyarefermentedforseveraldaysinlargewoodenboxes.Duringthefermentingprocess,thebeansturnbrown.

Next,thebrownbeansarespreadinthesuntodry.Theyarethenputinlargesacksandtransportedbytrainorlorry.Afterthis,thebeansaretakentoachocolatefactorywheretheyareroastedinanovenattemperaturesofbetween250and350degreeCelsius.

Afterbeingroasted,thebeansarecrushedandtheoutershellisremoved.Thispartisnotneededformakingchocolate.Finally,theinnerpartofthebeanispressedandliquidchocolateisproduced.

9.《砖块的制作》

Theprocessbywhichbricksaremanufacturedforthebuildingindustrycanbeoutlinedinsevenconsecutivesteps.Firsttherawmaterial,clay,whichwasjustbelowthesurfaceofsoilincertainclay-richareashastobedugupbyadigger.

Thenthelumpsofclayareplacedonametalgridinordertobreakupthebigchunksofclayintomuchsmallerareas,whichfallthroughthemetalgridontoaroller,whosemotionfurthersegregatesthebitsofclay.Sandandwaterareaddedtomakeahomogenousmixture,whichistheneitherformedinmouldsorcutintobrick-shapedpiecesbymeansofawirecutter.

Thosefreshbricksarethenkeptinadryingovenforatleast24andamaximumof48hours,severaldozensifnothundredsofbricksatatime.Thedriedbricksarethentransferredtoaso-calledkiln,anothertypeofhightemperatureoven.Firsttheyarekeptatamoderatetemperatureof200℃-1300℃.Thisprocessisfollowedbycoolingdownthefinishedbricksfor48to72hoursinacoolingchamber.

Oncethebrickshavecooleddownandhavebecomehard,theygetpackagedanddeliveredtotheirfinaldestination,beitabuildingsiteorstorage.