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Discrimination of storage shelf-life for mandarin
閱讀:5009發(fā)布時間:2008-06-19
提 供 商: | 北京盈盛恒泰科技有限責(zé)任公司 | 資料大小: | 0K |
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資料圖片: | 下載次數(shù): | 1116次 | |
資料類型: | PDF 文件 | 瀏覽次數(shù): | 5009次 |
詳細介紹
overthepastyears,electronicnosetechnologyopenedthepossibilitytoexploitinformationonaromaattributetoassessfruitripeninstageduringstorage.theob-jectiveinthisstudywastoevaluatethecapacityofelectronicnoseinmonitoringthechangeinvolatiproductionofmandarinduringdifferentstoragetreatments,andstorageshelf-lifeofmandarinwasevaluatedbymeasuringthechangeivolatileproductionofmandarinusingelectronicnosedevicepen2.bycomparing,storageshelf-lifeofmandarinwasbettdistinguishedusinglineardiscriminantanalysisldathanprincipalcomponentanalysispca.pcaandldaanalysiswerefcienttoclassifymandarinwiththesamestoragetimeinitsrespectivegroups;butthemethodsarenotefcienttoseparatethmandarinsbydifferentstoragetimes.thecorrelationbetweenthemeasuredandpredictedvaluesoffruitqualityattributesuchasolublesolidcontent,acidityandcompressionforceshowspoortoreasonablepredictionperformancebymeansofelectronicnossignals.theresultsprovethatsensors2,7and9intheelectronicnosepen2formandarinhaveahigherinuenceinthecurrentpatterle.hence,nearlyasubsetoffewsensorscanbechosentoexplainallthevariance.thisresultcouldbeusedinfurtherstudiestooptimizthenumberofsensorsandndbetterperformance.
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