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SPS electronic 产品目录
- 德国SPSelectronicZxin产品产品目录[详细]
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2018-10-27 10:00
产品样册
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sps烧结炉
- sps烧结炉[详细]
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2014-04-22 00:00
应用文章
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sps英文资料
- sps英文资料[详细]
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2015-07-05 00:00
期刊论文
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Electronic nosedata analysis for detection of mai
- an!°electronicnose!±hasbeenusedforthedetectionofadulterationsofsesameoil.thesystem,comprising10metaloxidesemiconductsensors,wasusedtogenerateapatternofthevolatilecompoundspresentinthesamples.priortodifferentsupervisedpatternrecognitiontreatments,featureextractiontechniqueswereemployedtochooseasetofoptimaldiscriminantvariables.principalcomponentanalysispca,fisherlineartransformationflt,stepwiselineardiscriminantanalysisstep-lda,se-lectionbyfisherweightssfwwereused,respectively.andthen,lineardiscriminantanalysislda,probabilisticneuralnetworkspnn,backpropagationneuralnetworksbpnnandgeneralregressionneuralnetworkgrnnwereappliedaspatternrecognitiontechniquesfortheelectronicnose.asforldaandpnn,fltwasthemosteffectivefeatureextractionmethod,whilestep-ldawasthemosteffectivewayforbpnnandfltwasmoresuitableforgrnn.withonlyonesamplemisclassi?edinourexperiment,ldaismorepowerfulthanpnn.excellentresultswereobtainedinthepredictionofpercentageofadulterationinsesameoilbybpnnandgrnn.aftertrainingforsometime,bpnncouldpredicttheadulterationquantitativelymorepreciselythangrnn,whereaswithfltasitsfeatureextractionmethodandwithoutiterativetraining,grnncouldalsoyieldratheracceptableresults.?2006elsevierb.v.allrightsreserved.[详细]
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2018-08-16 10:00
产品样册
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Evaluation of tomato maturity by electronic nose
- Evaluation of tomato maturity by electronic nose[详细]
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2024-09-28 00:08
期刊论文
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Electronic Interactions in a New Fullerene Dimer: C1
- Electronic Interactions in a New Fullerene Dimer: C1[详细]
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2005-08-05 00:00
其它
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Electronic nose and data analysis for detection of m
- Electronic nose and data analysis for detection of m[详细]
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2008-05-30 00:00
期刊论文
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Electronic nose technique potential monitoring ma
- overthepastyears,electronicnosetechnologyopenedthepossibilitytoexploitinformationonbehavioraromatoassessfruitripeningstage.theob-jectiveinthisstudywastoevaluatethecapacityofelectronicnosetomonitoringthechangeinvolatileproductionofmandarinduringdifferentpicking-date,usingaspeci?celectronicnosedevicepen2.principalcomponentanalysispcaandlineardiscriminantanalysisldawereusedinordertoinvestigatewhethertheelectronicnosewasabletodistinguishamongdifferentpicking-dateripenessstates.theloadingsanalysiswasusedtoidentifythesensorsresponsiblefordiscriminationinthecurrentpattern?le.theresultsobtainedprovethattheelectronicnosepen2candiscriminatesuccessfullydifferentpicking-dateonmandarinusingldaanalysis.but,electronicnosewasnotabletodetectacleardifferenceinvolatilepro?leonmandarinusingpcaanalysis.duringexternalvalidationusingldawasobtainedtoclassi?ed92%ofthetotalsamplesproperly.somesensorshavethehighestin?uenceinthecurrentpattern?leforelectronicnosepen2.asubsetoffewsensorscanbechosentoexplainallthevariance.thisresultcouldbeusedinfurtherstudiestooptimizethenumberofsensors.[详细]
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2018-08-16 10:00
产品样册
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Electronic nose technique potential monitoring manda
- Electronic nose technique potential monitoring manda[详细]
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2024-09-28 12:33
专利
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产品目录
- 产品目录[详细]
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2006-04-25 00:00
报价单
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产品目录
- 日本生研产品目录[详细]
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2023-06-29 19:26
产品样册
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产品目录
- 本书包含的仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 15:46
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 17:07
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 17:10
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 17:22
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 17:43
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 18:03
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 18:12
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-23 18:16
产品样册
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产品目录
- 本书包含仪器可应用于植物、土壤、大气、水体等生态环境监测[详细]
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2024-05-31 15:21
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