meantwww.qqq147.com

www.qqq147.com  时间:2021-03-20  阅读:()
FoodAnalysisEditionForothertitlespublishedinthisseries,gotowww.
springer.
com/series/5999FourthFoodAnalysiseditedbyS.
SuzanneNielsenPurdueUniversityWestLafayette,IN,USAFourthEditionABCISBN978-1-4419-1477-4e-ISBN978-1-4419-1478-1DOI10.
1007/978-1-4419-1478-1SpringerNewYorkDordrechtHeidelbergLondonLibraryofCongressControlNumber:2010924120SpringerScience+BusinessMedia,LLC2010.
Correctedat2ndprinting2014Allrightsreserved.
Thisworkmaynotbetranslatedorcopiedinwholeorinpartwithoutthewrittenpermissionofthepublisher(SpringerScience+BusinessMedia,LLC,233SpringStreet,NewYork,NY10013,USA),exceptforbriefexcerptsinconnectionwithreviewsorscho-Theuseinthispublicationoftradenames,trademarks,servicemarks,andsimilarterms,eveniftheyarenotidentifiedassuch,isnottobePrintedonacid-freepaperSpringerispartofSpringerScience+BusinessMedia(www.
springer.
com)Dr.
S.
SuzanneNielsenPurdueUniversityDept.
FoodScienceissimilarmethodologynowknownorhereafterdevelopedisforbidden.
larlyanalysis.
Useinconnectionwithanyformofinformationstorageandretrieval,electronicadaptation,computersoftware,orbysimilartakenasanexpressionofopinionastowhetherornottheyaresubjecttoproprietaryrights.
745AgricultureMallDr.
WestLafayetteIN47907-2009ordUSAnielsens@purdue.
eduContentsContributingAuthorsviiPrefaceandAcknowledgmentsixListofAbbreviationsPartI.
GeneralInformation1.
IntroductiontoFoodAnalysis3S.
SuzanneNielsen2.
UnitedStatesGovernmentRegulationsandInternationalStandardsRelatedtoFoodAnalysis15S.
SuzanneNielsen3.
NutritionLabeling35LloydE.
Metzger4.
EvaluationofAnalyticalData53J.
ScottSmith5.
SamplingandSamplePreparation69RubenO.
MorawickiPartII.
CompositionalAnalysisofFoods6.
MoistureandTotalSolidsAnalysis85RobertL.
Bradley,Jr.
7.
AshAnalysis105MauriceR.
Marshall8.
FatAnalysis117DavidB.
MinandWayneC.
Ellefson9.
ProteinAnalysis133SamK.
C.
Chang10.
CarbohydrateAnalysis147JamesN.
BeMiller11.
VitaminAnalysis179RonaldB.
Pegg,W.
O.
Landen,Jr.
,andRonaldR.
Eitenmiller12.
TraditionalMethodsforMineralAnalysis201RobertE.
WardandCharlesE.
CarpenterPartIII.
ChemicalPropertiesandCharacteristicsofFoods13.
pHandTitratableAcidity219GeorgeD.
SadlerandPatriciaA.
Murphy14.
FatCharacterization239SeanF.
O'KeefeandOscarA.
Pike15.
ProteinSeparationandCharacterizationProcedures261DeniseM.
Smith16.
ApplicationofEnzymesinFoodAnalysis283JosephR.
Powers17.
Immunoassays301Y-H.
PeggyHsieh18.
AnalysisofFoodContaminants,Residues,andChemicalConstituentsofConcern317BaraemIsmail,BradleyL.
Reuhs,andS.
SuzanneNielsen19.
AnalysisforExtraneousMatter351HulyaDogan,BhadrirajuSubramanyam,andJohnR.
Pedersen20.
DeterminationofOxygenDemand367YongD.
HangvxiviContentsPartIV.
Spectroscopy21.
BasicPrinciplesofSpectroscopy375MichaelH.
Penner22.
Ultraviolet,Visible,andFluorescenceSpectroscopy387MichaelH.
Penner23.
InfraredSpectroscopy407RandyL.
Wehling24.
AtomicAbsorptionSpec-troscopy,AtomicEmissionSpectroscopy,andInductivelyCoupledPlasma-MassSpectrometry421DennisD.
MillerandMichaelA.
Rutzke25.
NuclearMagneticResonance443BradleyL.
ReuhsandSenaySimsek26.
MassSpectrometry457J.
ScottSmithandRohanA.
ThakurPartV.
Chromatography27.
BasicPrinciplesofChromatography473BaraemIsmailandS.
SuzanneNielsen28.
High-PerformanceLiquidChromatography499BradleyL.
ReuhsandMaryAnnRounds29.
GasChromatography513MichaelC.
Qian,DevinG.
Peterson,andGaryA.
ReinecciusPartVI.
PhysicalPropertiesofFoods30.
RheologicalPrinciplesforFoodAnalysis541ChristopherR.
DaubertandE.
AllenFoegeding31.
ThermalAnalysis555LeonardC.
ThomasandShellyJ.
Schmidt32.
ColorAnalysis573RonaldE.
WrolstadandDanielE.
SmithIndex587ContributingAuthorsJamesN.
BeMillerDepartmentofFoodScience,PurdueUniversity,WestLafayette,IN47907-1160,USARobertL.
Bradley,Jr.
Formerly,DepartmentofFoodScience,UniversityofWisconsin,Madison,WI53706,USACharlesE.
CarpenterDepartmentofNutritionandFoodSciences,UtahStateUniversity,Logan,UT84322-8700,USASamK.
C.
ChangDepartmentofCerealandFoodSciences,NorthDakotaStateUniversity,Fargo,ND58105,USAChristopherR.
DaubertDepartmentofFood,BioprocessingandNutritionalSciences,NorthCarolinaStateUniversity,Raleigh,NC27695-7624,USAHulyaDoganDepartmentofGrainScienceandIndustry,KansasStateUniversity,Manhattan,KS66506,USARonaldR.
EitenmillerDepartmentofFoodScienceandTechnology,TheUniversityofGeorgia,Athens,GA30602-7610,USAWayneC.
EllefsonNutritionalChemistryandFoodSafety,CovanceLaboritories,Madison,WI53714,USAE.
AllenFoegedingDepartmentofFood,BioprocessingandNutritionalSciences,NorthCarolinaStateUniversity,Raleigh,NC27695-7624,USAYongD.
HangDepartmentofFoodScienceandTechnology,CornellUniversity,Geneva,NY14456,USAY-H.
PeggyHsiehDepartmentofNutrition,FoodandExerciseSciences,FloridaStateUniversity,Tallahassee,FL32306-1493,USABaraemIsmailDepartmentofFoodScienceandNutrition,UniversityofMinnesota,St.
Paul,MN55108-6099,USAW.
O.
Landen,Jr.
DepartmentofFoodScienceandTechnology,TheUniversityofGeorgia,Athens,GA30602-7610,USAMauriceR.
MarshallDepartmentofFoodScienceandHumanNutrition,UniversityofFlorida,Gainesville,FL32611-0370,USALloydE.
MetzgerDepartmentofDairyScience,UniversityofSouthDakota,Brookings,SD57007,USADennisD.
MillerDepartmentofFoodScience,CornellUniversity,Ithaca,NY14853-7201,USADavidB.
MinDepartmentofFoodScienceandTechnology,TheOhioStateUniversity,Columbus,OH43210,USARubénMorawickiDepartmentofFoodScience,UniversityofArkansas,Fayetteville,AR72703,USAPatriciaA.
MurphyDepartmentofFoodScienceandHumanNutrition,IowaStateUniversity,Ames,IA50011,USAS.
SuzanneNielsenDepartmentofFoodScience,PurdueUniversity,WestLafayette,IN47907-1160,USAviiviiiContributingAuthorsSeanF.
O'KeefeDepartmentofFoodScienceandTechnology,VirginiaTech,Blacksburg,VA24061,USAJohnR.
PedersenFormerly,DepartmentofGrainScienceandIndustry,KansasStateUniversity,Manhattan,KS66506-2201,USARonaldB.
PeggDepartmentofFoodScienceandTechnology,TheUniversityofGeorgia,Athens,GA30602-7610,USAMichaelH.
PennerDepartmentofFoodScienceandTechnology,OregonStateUniversity,Corvallis,OR97331-6602,USADevinG.
PetersonDepartmentofFoodScienceandNutrition,UniversityofMinnesota,St.
Paul,MN55108-6099,USAOscarA.
PikeDepartmentofNutrition,Dietetics,andFoodScience,BrighamYoungUniversity,Provo,UT84602,USAJosephR.
PowersSchoolofFoodScience,WashingtonStateUniversity,Pullman,WA99164-6376,USAMichaelC.
QianDepartmentofFoodScienceandTechnology,OregonStateUniversity,Corvallis,OR97331-6602,USAGaryA.
ReinecciusDepartmentofFoodScienceandNutrition,UniversityofMinnesota,St.
Paul,MN55108-6099,USABradleyL.
ReuhsDepartmentofFoodScience,PurdueUniversity,WestLafayette,IN47907-2009,USAMaryAnnRounds(deceased)Formerly,DepartmentofPhysics,PurdueUniversity,WestLafayette,IN47907,USAMichaelA.
RutzkeDepartmentofFoodScience,CornellUniversity,Ithaca,NY14853-7201,USAGeorgeD.
SadlerPROVEITLLC204Deerbornect.
Geneva,IL60134,USAShellyJ.
SchmidtDepartmentofFoodScienceandHumanNutrition,UniversityofIllinoisatUrbana-Champaign,Urbana,IL61801,USASenaySimsekDepartmentofPlantSciences,NorthDakotaStateUniversity,Fargo,ND58108-6050,USADanielE.
SmithDepartmentofFoodScienceandTechnology,OregonStateUniversity,Corvallis,OR97331-6602,USADeniseM.
SmithDepartmentofFoodScienceandTechnology,TheOhioStateUniversity,Columbus,OH43210,USAJ.
ScottSmithFoodScienceInstitute,KansasStateUniversity,Manhattan,KS66506-1600,USABhadrirjuSubramanyamDepartmentofGrainScienceandIndustry,KansasStateUniversity,Manhattan,KS66506,USARohanA.
ThakurTaylorTechnology,Princeton,NJ08540,USALeonardC.
ThomasDSCSolutionsLLC,Smyrna,DE19977,USARobertE.
WardDepartmentofNutritionandFoodSciences,UtahStateUniversity,Logan,UT84322-8700,USARandyL.
WehlingDepartmentofFoodScienceandTechnology,UniversityofNebraska,Lincoln,NE68583-0919,USARonaldE.
WrolstadDepartmentofFoodScienceandTechnology,OregonStateUniversity,Corvallis,OR97331-6602,USAPrefaceandAcknowledgmentsTheintentofthisbookisthesameasthatdescribedinthePrefacetotherstthreeeditions–atextpri-marilyforundergraduatestudentsmajoringinfoodscience,currentlystudyingtheanalysisoffoods.
How-ever,commentsfromusersoftherstthreeeditionshaveconvincedmethatthebookisalsoavaluabletextforpersonsinthefoodindustrywhoeitherdofoodanalysisorinteractwithanalysts.
Thebigfocusofthiseditionwastodoageneralupdate,addingmanynewmethodsandtopicsanddeletingoutdated/unusedmethods.
Thefollowingsummarizeschangesfromthethirdedition:(1)generalupdates,includingadditionanddeletionofmeth-ods,(2)combinedtwochapterstocreateonechapterfocusedonfoodcontaminants,residues,andchemi-calconstituentsofconcern,(3)somechaptersrewrit-tenbynewauthors(e.
g.
,Immunoassays,ExtraneousMatterAnalysis,ColorAnalysis,ThermalAnalysis),(4)reorganizedsomechapters(e.
g.
,AtomicAbsorp-tionandAtomicEmissionSpectroscopy;BasicChro-matography),(5)addedchapteronnuclearmagneticresonance,(6)addedcalculationsforallpracticeprob-lems,and(7)addedtabletosomechapterstosumma-rizemethods(e.
g.
,VitaminAnalysis,HPLC),and(8)newlydrawnguresandphotographs.
Regrettably,inanefforttokeepthebookataman-ageablesizeandcost,especiallyforstudents,somesuggestionsbyuserstoaddchapterscouldnotbeaccommodated.
Forspecializedtopics(e.
g.
,phyto-chemicals)thatutilizethemethodsincludedinthistextbook,readersarereferredtodetailedbooksonthosetopics.
Asstatedfortherstthreeeditions,thechaptersinthistextbookarenotintendedasdetailedrefer-ences,butasgeneralintroductionstothetopicsandthetechniques.
Courseinstructorsmaywishtopro-videmoredetailsonaparticulartopictostudents.
Thechaptersfocusonprinciplesandapplicationsoftechniques.
Proceduresgivenaremeanttohelpexplaintheprinciplesandgivesomeexamples,butarenotmeanttobepresentedinthedetailade-quatetoactuallyconductaspecicanalysis.
Asintherstthreeeditions,allchaptershavesummariesandstudyquestions,andkeywordsorphrasesareinitalicstype,tohelpstudentsfocustheirstudies.
Asdoneforthethirdedition,thechaptersareorga-nizedintothefollowingsections:I.
Introduction,II.
CompositionalAnalysisofFoods,III.
ChemicalProp-ertiesandCharacteristicsofFoods,IV.
Spectroscopy,V.
Chromatography,andVI.
PhysicalPropertiesofFoods.
Instructorsareencouragedtocoverthetop-icsfromthistextinwhateverorderismostsuitablefortheircourse.
Also,instructorsareinvitedtocon-tactmeforadditionalteachingmaterialsrelatedtothistextbook.
Startingwiththethirdedition,thenewcompe-tencyrequirementsestablishedbytheInstituteofFoodTechnologistswereconsidered.
Thoserequirementsrelevanttofoodanalysisareasfollows:(1)under-standingtheprinciplesbehindanalyticaltechniquesassociatedwithfood,(2)beingabletoselecttheappropriateanalyticaltechniquewhenpresentedwithapracticalproblem,and(3)demonstratingpracticalprociencyinfoodanalysislaboratory.
Thistextbookshouldenableinstructorstomeettherequirementsanddeveloplearningobjectivesrelevanttothersttwooftheserequirements.
Thelaboratorymanual,nowinitssecondedition,shouldbeausefulresourcetohelpstudentsmeetthethirdrequirement.
Iamgratefultoallchapterauthorsforagree-ingtobeapartofthisproject.
Manyauthorshavedrawnontheirexperienceofteachingstudentsand/orexperiencewiththeseanalysestogivechapterstheappropriatecontent,relevance,andeaseofuse.
Iwishtothanktheauthorsofarticlesandbooks,andwellasthepublishersandindustrialcompanies,fortheirpermissiontoreproducematerialsusedhere.
Specialthanksareextendedtothefollowingpersons:Baraem(Pam)IsmailandBradReuhsforvaluablediscussionsaboutthecontentofthebookandassistancewithedit-ing;JonathanDeVriesforinputthathelpeddeterminecontent;BrookeSadlerforhergraphicartworkindraw/redrawingmanygures;GwenShoemakerforkeepingtrackofalltheguresandhelponequations;andKirstiNielsen(mydaughter)forwordprocessingassistance.
S.
SuzanneNielsenixListofAbbreviationsAACCAmericanAssociationofCerealChemistsAASAtomicabsorptionspectroscopyADIAcceptabledailyintakeAE-HPLCAnionexchangehighperformanceliquidchromatographyAESAtomicemissionspectroscopyAMSAcceleratormassspectrometerAMSAgriculturalMarketingServiceAOACAssociationofOfcialAnalyticalChemistsAOCSAmericanOilChemists'SocietyAOMActiveoxygenmethodAPCIAtmosphericpressurechemicalionizationAPEAtmosphere-pressureionizationAPHAAmericanPublicHealthAssociationAPPIAtmosphericpressurephoto-ionizationASEAcceleratedsolventextractionASTMAmericanSocietyforTestingMaterialsATCCAmericanTypeCultureCollectionATPAdenosine-5-triphosphateATRAttenuatedtotalreectanceawWateractivityB0ExternalmagneticeldBAWBaseandacidwashedBCABicinchoninicacidBCRCommunityBureauofReferenceBéBaumémodulusBHAButylatedhydroxyanisoleBHTButylatedhydroxytolueneBODBiochemicaloxygendemandBPABisphenolABSABovineserumalbuminBSDABacillusstearothermophilisdiskassayBtBacillusthuringiensisCASTCalfantibioticandsulfatestCCDCharge-coupleddeviceCDCCentersforDiseaseControlCFRCodeofFederalRegulationsCFSANCenterforFoodSafetyandAppliedNutritioncGMPCurrentGoodManufacturingPracticesCIChemicalionizationCICondenceintervalCIDChargeinjectiondeviceCIDCollision-induceddissociationCIDCommercialItemDescriptionCIECommissionInternationaled'EclairageCLAConjugatedlinoleicacidCLNDChemiluminescentnitrogendetectorCOACerticateofanalysisCODChemicaloxygendemandC-PERProteinefciencyratiocalculationmethodCPGCompliancepolicyguidanceCP-MASCrosspolarizationmagicanglespinningCQC2,6-DichloroquinonechloroimideCRCCollisionreactioncellsCSLMConfocalscanninglasermicroscopyCTComputedtechnologyCTComputedtomographyCVCoefcientofvariationCVMCenterforVeterinaryMedicineDALDefectactionlevelDDTDichlorodiphenyltrichloroethaneDEDegreeofestericationdETotalcolordifferenceDFDilutionfactorDFEDietaryfolateequivalentDHHSDepartmentofHealthandHumanServicesDMADynamicmechanicalanalysisDMDD-MalatedehydrogenaseDMSODimethylsulfoxideDNADeoxyribronucleicacidDNFB1-Fluoro-2,4-dinitrobenzenedNTPsDeoxynucleosidetriphosphatesDONDeoxynivalenolDRIDietaryreferencesintakeDRIFTSDiffuserelectranceFourier-transformspectroscopyDRVDailyReferenceValueDSCDifferentialscanningcalorimetryDSHEADietarySupplementHealthandEducationActDSPEDispersivesolid-phaseextractionxixiiListofAbbreviationsDTGSDeuteratedtriglycinesulfateDVDailyvalueDVBDivinylbenzenedwbDryweightbasisEaActivationenergyEAAIEssentialaminoacidindexEBTEriochromeblackTECDElectroncapturedetectorEDLElectrode-lessdischargelampEDSEnergydispersivespectroscopyEDTAEthylenediaminetetraaceticacidEECEuropeanEconomicCommunityEFSAEuropeanFoodSafetyAuthorityEIElectronimpactEIEEasilyionizedelementsELCDElectrolyticconductivitydetectorELISAEnzymelinkedimmunosorbentassayEPAEnvironmentalProtectionAgencyEPSPS5-Enolpyruvyl-shikimate-3-phsophatesynthaseEqEquivalentsERHEquilibriumrelativehumidityESIElectrosprayinterfaceESIElectrosprayionizationETOEthyleneoxideEUEuropeanUnionFabFragmentantigenbindingFAMEFattyacidmethylestersFAO/WHOFoodandAgriculturalOrganization/WorldHealthOrganizationFASFerrousammoniumsulfateFBsFumonisinsFcFragmentcrystallizableFCCFoodChemicalsCodexFDAFoodandDrugAdministrationFDAMAFoodsandDrugAdministrationModernizationActFD&CFood,DrugandCosmeticFDNB1-Fluoro-2,4-dinitrobenzeneFFAFreefattyacidFIDFlameionizationdetectorFIDFreeinductiondecayFIFRAFederalInsecticide,Fungicide,andRodenticideActFNB/NASFoodandNutritionBoardoftheNationalAcademyofSciencesFOSFructooligosaccharideFPDFlamephotometricdetectorFPIAFluorescencepolarizationimmunoassayFSISFoodSafetyandInspectionServiceFTFouriertransformFTCFederalTradeCommissionFT-ICRFouriertransform–ioncyclotronsFTIRFouriertransforminfraredG6PDHGlucose-6-phosphatedehydrogenaseGATTGeneralAgreementonTariffsandTradeGCGaschromatographyGC-AEDGaschromatography–atomicemissiondetectorGC-FTIRGaschromatography–FouriertransforminfraredGC-MSGaschromatography–massspectrometryGFCGel-ltrationchromatographyGIPSAGrainInspection,PackersandStockyardAdministrationGLCGas–liquidchromatographyGMAGroceryManufacturersofAmericaGMOGeneticallymodiedorganismGMPGoodManufacturingPractices(alsoCurrentGoodManufacturingPracticeinManufacturing,Packing,orHoldingHumanFood)GOPODGlucoseoxidase/peroxidaseGPCGel-permeationchromatographyGRASGenerallyrecognizedassafeHACCPHazardAnalysisCriticalControlPointHCLHollowcathodelampHETPHeightequivalenttoatheoreticalplateHFSHighfructosesyrupHILICHydrophilicinteractionliquidchromatographyHKHexokinaseH-MASHigh-resolutionmagicanglespinningHMDSHexamethyldisilazaneHPLCHighperformanceliquidchromatographyHPTLCHighperformancethin-layerchromatographyHRGCHighresolutiongaschromatographyHSHeadspaceHVPHydrolyzedvegetableproteinICIonchromatographyIC50MedianinhibitionconcentrationICPInductivelycoupledplasmaICP-AESInductivelycoupledplasma–atomicemissionspectroscopyICP-MSInductivelycoupledplasma–massspectrometerIDInnerdiameterIDKInsectdamagedkernelsIgImmunoglobulinIgEImmunoglobulinEIgGImmunoglobulinGIMSInterstateMilkShippersInGaAsIndium–gallium–arsenideIRInfraredListofAbbreviationsxiiiIRMMInstituteforReferenceMaterialsandMeasurementsISAIonicstrengthadjustorISEIon-selectiveelectrodeISOInternationalOrganizationforStandardizationITDIon-trapdetectorIT-MSIontrapsmassspectrometryIUInternationalUnitsIUPACInternationalUnionofPureandAppliedChemistryJECFAJointFAO/WHOExpertCommitteeonFoodAdditiveskcalKilocalorieKDaKilodaltonKFRKarlFischerreagentKFReqKarlFischerreagentwaterequivalenceKHPPotassiumacidphthalateLALLSLow-anglelaserlightscatteringLCLiquidchromatographyLC-MSLiquidchromatography–massspectroscopyLFSLateralowstripLIMSLaboratoryinformationmanagementsystemLODLimitofdetectionLOQLimitofquantitationLTMLowthermalmassLTPLow-temperatureplasmaprobe3-MCPD3-Monochloropropane1,2-diolMALDI-TOFMatrix-assistedlaserdesorptiontime-of-ightMALLSMulti-anglelaserlightscatteringMASMagicanglespinningMASEMicrowave-assistedsolventextractionMCLMaximumcontaminantlevelMCTMercury:cadmium:tellurideMDGCMultidimensionalgaschromatographyMDLMethoddetectionlimitMDSCTMModulateddifferentialscanningcalorimeterTMmEqMilliequivalentsMES-TRIS2-(N-morpholino)ethanesulfonicacid-tris(hydroxymethyl)aminomethaneMLRMultiplelinearregressionMRIMagneticresonanceimagingMRLMaximumresiduelevelMRMMultiresiduemethodMSMassspectrometry(orspectrometer)MS/MSTandemMSMsnMultiplestagesofmassspectrometryMWMolecularweightm/zMass-to-chargeratioNADNicotinamide-adeninedinucleotideNADPNicotinamide-adeninedinucleotidephosphateNADPHReducedNADPNCMN-methylcarbamateNCWMNationalConferenceonWeightsandMeasuresNIRNear-infraredNIRSNear-infraredspectroscopyNISTNationalInstituteofStandardsandTechnologyNLEANutritionLabelingandEducationActNMFSNationalMarineFisheriesServiceNMRNuclearmagneticresonanceNOAANationalOceanicandAtmosphericAdministrationNOAELNoobservedadverseeffectlevelNPDNitrogenphosphorusdetectororthermionicdetectorNSSPNationalShellshSanitationProgramNVOCNon-volatileorganiccompoundsOCOrganochlorineODOuterdiameterODSOctadecylsilylOESOpticalemissionspectroscopyOMAOfcialMethodsofAnalysisOPOrganophosphate/organophosphorusOPAO-phthalaldehydeOSIOilstabilityindexOTOrbitrapOTAOchratoxinAPADPulsed-amperometricdetectorPAGEPolyacrylamidegelelectrophoresisPAMIPesticideAnalyticalManual,VolumeIPAMIIPesticideAnalyticalManual,VolumeIIPcCriticalpressurePCBsPolychlorinatedbiphenylsPCRPolymerasechainreactionPCRPrincipalcomponentsregressionPDCAASProteindigestibility–correctedaminoacidscorePDMSPolydimethylsiloxanePEEKPolyetheretherketonePERProteinefciencyratioPFPDPulsedamephotometricdetectorpIIsoelectricpointPIDPhotoionizationdetectorPLEPressurizedliquidextractionPLOTPorous-layeropentabularPLSPartialleastsquaresPMOPasteurizedMilkOrdinancePMTPhotomultipliertubeppbPartsperbillionPPDPurchaseProductDescriptionxivListofAbbreviationsppmPartspermillionpptPartspertrillionPUFAPolyunsaturatedfattyacidsPVPPPolyvinylpolypyrrolidoneqMSQuadrupolemassspectrometryQqQTriplequadrupoleQ-trapQuadruple-iontrapQuEChERSQuick,Easy,Cheap,Effective,RuggedandSafeRACRawagriculturalcommodityRAERetinolactivityequivalentsRASFFRapidAlertSystemforFoodandFeedRDARecommendedDailyAllowanceRDIReferenceDailyIntakeRERetinolequivalentRFRadiofrequencyRfRelativemobilityRFResponsefactorRIRefractiveindexRIARadioimmunoassayROSARapidOneStepAssayRPARRebuttablePresumptionAgainstRegistrationRVARapidViscoAnalyserSASOSaudiArabianStandardsOrganizationSBSEStirbarsorptiveextractionSDStandarddeviationSDSSodiumdodecylsulfateSDS-PAGESodiumdodecylsulfate–polyacrylamidegelelectrophoresisSECSize-exclusionchromatographySEMScanningelectronmicroscopySFCSolidfatcontentSFCSupercritical-uidchromatographySFC-MSSupercritical-uidchromatographymassspectrometrySFESupercriticaluidextractionSFE-GCSupercriticaluidextraction–gaschromatographySFISolidfatindexSIInternationalScienticSKCSSinglekernelcharacteristicssystemSMEDPStandardMethodsfortheExaminationofDairyProductsSOSulteoxidaseSPDESolid-phasedynamicextractionSPESolid-phaseextractionSPMESolid-phasemicroextractionSRFSampleresponsefactorSRMSingleresiduemethodSSDSolidstatedetectorSTOPSwabtestonpremisesSVOCSemi-volatileorganiccompoundsTBAThiobarbituricacidTBARSTBAreactivesubstancesTCDThermalconductivitydetectorTDATotaldailyintakeTDFTotaldietaryberT-DNATransferofDNATEMTransmissionelectronmicroscopiesTEMEDTetramethylethylenediamineTgGlasstransitiontemperatureTGAThermogravimetricanalysisTiTumor-inducingTICTotalioncurrentTLCThin-layerchromatographyTMAThermomechanicalanalysisTMCSTrimethylchlorosilaneTMSTrimethylsilylTOFTime-of-ightTOF-MSTime-of-ightmassspectrometryTPATextureproleanalysisTSTotalsolidsTSQTriplestagequadrupoleTSSTotalsolublesolidsTSUSATariffSchedulesoftheUnitedStatesofAmericaTTBAlcoholandTobaccoTaxandTradeBureauTWITotalweeklyintakeUHPCUltra-highpressurechromatographyUHPLCUltra-highperformanceliquidchromatographyUSUnitedStatesUSAUnitedStatesofAmericaUSRDAUnitedStatesRecommendedDietaryAllowanceUSCSUnitedStatesCustomsServiceUSDAUnitedStatesDepartmentofAgricultureUSDCUnitedStatesDepartmentofCommerceUSPUnitedStatesPharmacopeiaUVUltravioletUV–VisUltraviolet–visibleVisVisibleVOCVolatileorganiccompoundswtWeightwwbWetweightbasisXMTX-raymicrotomographyZEAZearalenone

HostKvm四月优惠:VPS主机全场八折,香港/美国洛杉矶机房$5.2/月起

HostKvm是一家成立于2013年的国外主机服务商,主要提供基于KVM架构的VPS主机,可选数据中心包括日本、新加坡、韩国、美国、中国香港等多个地区机房,均为国内直连或优化线路,延迟较低,适合建站或者远程办公等。本月商家针对全场VPS主机提供8折优惠码,优惠后美国洛杉矶VPS月付5.2美元起。下面列出几款不同机房VPS主机产品配置信息。套餐:美国US-Plan0CPU:1cores内存:1GB硬...

小白云 (80元/月),四川德阳 4核2G,山东枣庄 4核2G,美国VPS20元/月起三网CN2

小白云是一家国人自营的企业IDC,主营国内外VPS,致力于让每一个用户都能轻松、快速、经济地享受高端的服务,成立于2019年,拥有国内大带宽高防御的特点,专注于DDoS/CC等攻击的防护;海外线路精选纯CN2线路,以确保用户体验的首选线路,商家线上多名客服一对一解决处理用户的问题,提供7*24无人全自动化服务。商家承诺绝不超开,以用户体验为中心为用提供服务,一直坚持主打以产品质量用户体验性以及高效...

CloudCone 新增洛杉矶优化线路 年付17.99美元且简单线路测试

CloudCone 商家在以前的篇幅中也有多次介绍到,这个商家也蛮有意思的。以前一直只有洛杉矶MC机房,而且在功能上和Linode、DO、Vultr一样可以随时删除采用按时计费模式。但是,他们没有学到人家的精华部分,要这样的小时计费,一定要机房多才有优势,否则压根没有多大用途。这不最近CloudCone商家有点小变化,有新人洛杉矶优化线路,具体是什么优化的等会我测试看看线路。内存CPU硬盘流量价格...

www.qqq147.com为你推荐
网红名字被抢注关于新浪微博昵称被抢注。我改微博名称时显示被抢注,但是却搜索这个昵称,又显示找不到这个人,请问为什www.7160.com电影网站有那些罗伦佐娜米开朗琪罗简介www.522av.com现在怎样在手机上看AV8090lu.com8090lu.com怎么样了?工程有进展吗?www.228gg.comwww.a8tb.com这个网站该如何改善www.gegeshe.com《我的电台fm》 she网址是多少?www.78222.com我看一个网站.www.snw58.com里面好有意思呀,不知道里面的信息是不是真实的百度指数词什么是百度指数avtt4.comwww.51kao4.com为什么进不去啊?
hkbn 10t等于多少g 52测评网 京东商城0元抢购 刀片式服务器 新家坡 域名接入 isp服务商 hdd 最漂亮的qq空间 无限流量 重庆服务器 阿里云邮箱怎么注册 腾讯服务器 symantec 服务器操作系统 西部主机 linuxvi命令 neobux ddos攻击软件 更多