秸秆回收外文翻译--收获系统和分析草本植物的产量

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1、12HarvestsystemsandanalysisforherbaceousbiomassAbstractBiomassfeedstocksincludingcropresiduesandenergycropsholdgreatpotentialforenergysource.Theyarecurrentlybeingconsideredforuseindirectcombustionsystemsandforvalueaddedbyproductssuchasbiofuelsorbiocrude.Amajorroad

2、blockassociatedwithutilizationofbiomassfeedstocksisthehighcostofhandlingandstorageduetolowenergyandbulkdensityofthesefeedstocks.Inaddition,awidevarietyofexistingharvestsystemscreateslogisticsdifficultiesforbioenergyindustries.Theutilizationofherbaceousbiomassrequi

3、resoptimizedhandlingsystemstocollect,store,andtransportyearround.Thisthenrequiresselectingthemosteconomicalmethodsfromvariousexistinghandlingsystemsforlooseandbaledbiomassmaterials.Howthesedifferentharvestingsystemscanbeintegratedintoacost-effectivesupplysystemisa

4、challenge.Thenumberofharvestdaysorthewindowofharvestdependsonthetypeofcrops,geographicandclimateconditions,soilandnutrientmanagementstrategies,etc.Thewindowofharvestcouldgreatlyimpactonharvest,handlingandstoragecosts.Efficientuseofexistingharvestingandhandlingequi

5、pmentinalimitedharvestwindowisdesired.Thischapterprovidesprinciplesofselectingfieldharvestmachinesystemstoincreasesystemefficiencyandproductivity.Practicalexamplesareusedtodemonstratecostanalysismethodsofdifferentharvestsystems.Fieldobservationresultsareusedtoquan

6、titativelydescribefieldcapacitiesoftypicalbiomassharvestandhandlingmachinesystems.Optimizationmodelsbasedontypicalbiomasslogisticssystemsaredescribed.Thischapterwillguidereadersthroughthedecisionprocesstoaddressthemethodologyrequiredtodesign,orspecify,abiomasslogi

7、sticssystembasedonthesizeofthebioenergyplantbeingsupplied.Costanalysismethodsandexamplesareusedtodemonstratecomponentsoftheprocessthatwillenablebiorefineryindustriesandlandownerstodeterminethemostcost-effectivewaytoharvest,store,andtransportbiomassfeedstocks.1.Int

8、roductionBiomassisadistributedenergyresource.Itmustbecollectedfromproductionfieldsandaccumulatedatstoragelocations.Previousstudiesofherbaceousbiomassasa