秸稈回收外文翻譯--收獲系統(tǒng)和分析草本植物的產(chǎn)量

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1、12HarvestsystemsandanalysisforherbaceousbiomassAbstractBiomassfeedstocksincludingcropresiduesandenergycropsholdgreatpotentialforenergysource.Theyarecurrentlybeingconsideredforuseindirectcombustionsystemsandforvalueaddedbyproductssuchasbiofuelsorbiocrude.Amajorro

2、adblockassociatedwithutilizationofbiomassfeedstocksisthehighcostofhandlingandstorageduetolowenergyandbulkdensityofthesefeedstocks.Inaddition,awidevarietyofexistingharvestsystemscreateslogisticsdifficultiesforbioenergyindustries.Theutilizationofherbaceousbiomassr

3、equiresoptimizedhandlingsystemstocollect,store,andtransportyearround.Thisthenrequiresselectingthemosteconomicalmethodsfromvariousexistinghandlingsystemsforlooseandbaledbiomassmaterials.Howthesedifferentharvestingsystemscanbeintegratedintoacost-effectivesupplysys

4、temisachallenge.Thenumberofharvestdaysorthewindowofharvestdependsonthetypeofcrops,geographicandclimateconditions,soilandnutrientmanagementstrategies,etc.Thewindowofharvestcouldgreatlyimpactonharvest,handlingandstoragecosts.Efficientuseofexistingharvestingandhand

5、lingequipmentinalimitedharvestwindowisdesired.Thischapterprovidesprinciplesofselectingfieldharvestmachinesystemstoincreasesystemefficiencyandproductivity.Practicalexamplesareusedtodemonstratecostanalysismethodsofdifferentharvestsystems.Fieldobservationresultsare

6、usedtoquantitativelydescribefieldcapacitiesoftypicalbiomassharvestandhandlingmachinesystems.Optimizationmodelsbasedontypicalbiomasslogisticssystemsaredescribed.Thischapterwillguidereadersthroughthedecisionprocesstoaddressthemethodologyrequiredtodesign,orspecify,

7、abiomasslogisticssystembasedonthesizeofthebioenergyplantbeingsupplied.Costanalysismethodsandexamplesareusedtodemonstratecomponentsoftheprocessthatwillenablebiorefineryindustriesandlandownerstodeterminethemostcost-effectivewaytoharvest,store,andtransportbiomassfe

8、edstocks.1.IntroductionBiomassisadistributedenergyresource.Itmustbecollectedfromproductionfieldsandaccumulatedatstoragelocations.Previousstudiesofherbaceousbiomassasa

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