In thisstudy,aspecific methodologyfordataprocessingwas
developed,whichmakesthecombinationofvibrationalspectrosco-
piesaneasyandaccuratetechniquefortheobjectiverecognitionand
the differentiationofalargeamountofnaturalorganicsubstances.
Thesesubstancesare,intheirrawform,hardlyidentified and
differentiated,andevenharderiftheyareprocessedorinamixture.
Our corpusofreferencesamplesisdefined byfourdifferentchemical
families withvariousorigins:someexudefromtreeslikeresins
(terpenoids)andgums(polysaccharides)orareextractedfromplants
such asoils(triglycerides);othershaveanimaloriginssuchasshellacs
(terpenoids)orglues(proteins).Amongthesevariouskindsof
materials,wemainlyfocusedonresins,widelyusedbyancient
societies,becausetheyexudefrommultipletreespeciesofdifferent
geographicalprovenances,leadingto differentchemicalcompositions.
Identifying them – andthereforetheirprovenance –maybeawayto
retracetheancientcommercialroutesortocollectinformationfor
historyofartandtechniques.Undertakingthiskindofstudyrequires
extensivecollectionofreferencesamples.
ใน thisstudy , aspecific methodologyfordataprocessingwas
developed,whichmakesthecombinationofvibrationalspectrosco-
piesaneasyandaccuratetechniquefortheo differentiationofalargeamountofnaturalorganicsubstances .
thesesubstancesare , intheirrawform , hardlyidentified และ
แตกต่างกัน, andevenharderiftheyareprocessedorinamixture .
ของเรา corpusofreferencesamplesisdefined byfourdifferentchemical
ครอบครัว withvariousorigins : someexudefromtreeslikeresins
( terpenoids ) andgums ( polysaccharides ) orareextractedfromplants
เช่น asoils(triglycerides);othershaveanimaloriginssuchasshellacs
(terpenoids)orglues(proteins).Amongthesevariouskindsof
materials,wembecausetheyexudefrommultipletreespeciesofdifferent
geographicalprovenances ,สิ่งจอมปลอม differentchemicalcompositions .
การระบุให้ andthereforetheirprovenance –maybeawayto
retracetheancientcommercialroutesortocollectinformationfor
historyofartandtechniques.Undertakingthiskindofstudyre
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