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2018-10-27 10:00 392閱讀次數(shù)
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德國SPSelectronicZxin產(chǎn)品產(chǎn)品目錄
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SPS electronic 產(chǎn)品目錄
- 德國SPSelectronicZxin產(chǎn)品產(chǎn)品目錄[詳細(xì)]
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2018-10-27 10:00
產(chǎn)品樣冊
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sps燒結(jié)爐
- sps燒結(jié)爐[詳細(xì)]
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2014-04-22 00:00
應(yīng)用文章
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sps英文資料
- sps英文資料[詳細(xì)]
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2015-07-05 00:00
期刊論文
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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.[詳細(xì)]
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2018-08-16 10:00
產(chǎn)品樣冊
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Evaluation of tomato maturity by electronic nose
- Evaluation of tomato maturity by electronic nose[詳細(xì)]
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2024-09-28 00:08
期刊論文
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Electronic Interactions in a New Fullerene Dimer: C1
- Electronic Interactions in a New Fullerene Dimer: C1[詳細(xì)]
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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[詳細(xì)]
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2008-05-30 00:00
期刊論文
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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.[詳細(xì)]
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2018-08-16 10:00
產(chǎn)品樣冊
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Electronic nose technique potential monitoring manda
- Electronic nose technique potential monitoring manda[詳細(xì)]
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2024-09-28 12:33
專利
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產(chǎn)品目錄
- 產(chǎn)品目錄[詳細(xì)]
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2006-04-25 00:00
報價單
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產(chǎn)品目錄
- 日本生研產(chǎn)品目錄[詳細(xì)]
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2023-06-29 19:26
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含的儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 15:46
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 17:07
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 17:10
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 17:22
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 17:43
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 18:03
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 18:12
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-23 18:16
產(chǎn)品樣冊
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產(chǎn)品目錄
- 本書包含儀器可應(yīng)用于植物、土壤、大氣、水體等生態(tài)環(huán)境監(jiān)測[詳細(xì)]
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2024-05-31 15:21
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