Environmental and Experimental Botany Controlled relative humidity testing for the characterisation.docx
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EnvironmentalandExperimentalBotanyControlledrelativehumiditytestingforthecharacterisation
Ageneticalgorithmforhybridflowshopswithsequencedependentsetuptimesandmachineeligibility OriginalResearchArticle
EuropeanJournalofOperationalResearch,Volume169,Issue3,16March2006,Pages781-800
RubénRuiz,ConcepciónMaroto
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Microbialα-amylases:
abiotechnologicalperspective OriginalResearchArticle
ProcessBiochemistry,Volume38,Issue11,30June2003,Pages1599-1616
RaniGupta,PareshGigras,HarapriyaMohapatra,VineetKumarGoswami,BhavnaChauhan
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Abstract
Amylasesareoneofthemostimportantandoldestindustrialenzymes.Thesecomprisehydrolases,whichhydrolysestarchmoleculestofinediverseproductsasdextrins,andprogressivelysmallerpolymerscomposedofglucoseunits.Largearraysofamylasesareinvolvedinthecompletebreakdownofstarch.However,α-amylaseswhicharethemostindemandhydrolyseα-1,4glycosidicbondintheinteriorofthemolecule.α-Amylaseholdsthemaximummarketshareofenzymesaleswithitsmajorapplicationinthestarchindustryaswellasitswell-knownusageinbakery.Withtheadventofnewfrontiersinbiotechnology,thespectrumofα-amylaseapplicationhasalsoexpandedtomedicinalandanalyticalchemistryaswellasinautomaticdishwashingdetergents,textiledesizingandthepulpandpaperindustry.Amylasesareofubiquitousoccurrence,producedbyplants,animalsandmicroorganisms.However,microbialsourcesarethemostpreferredoneforlargescaleproduction.Todayalargenumberofmicrobialα-amylasesaremarketedwithapplicationsindifferentindustrialsectors.Thisreviewfocusesonthemicrobialamylasesandtheirapplicationwithabiotechnologicalperspective.
ArticleOutline
1.Introduction
2.Distributionofα-amylaseamongmicroorganisms
3.Determinationofα-amylaseactivity
3.1.Decreaseinstarch–iodinecolourintensity
3.1.1.Determinationofdextrinisingactivity
3.1.2.SandstedtKneenandBlish(SKB)method
3.1.3.Indianpharmacopoeiamethod
3.2.Increaseinreducingsugarsordinitrosalicyclicacid(DNSA)method
3.3.Degradationofcolour-complexedsubstrate
3.4.Decreaseinviscosityofthestarchsuspension
3.4.1.Fallingnumber(FN)method
3.4.2.Amylograph/Farinographtest
4.Physiologyofα-amylaseproduction
4.1.Physiochemicalparameters
4.1.1.Substratesource:
inductionofα-amylase
4.1.2.Nitrogensources
4.1.3.Roleofphosphate
4.1.4.Roleofotherions
4.1.5.pH
4.1.6.Temperature
4.1.7.Agitation
5.Fermentationstudiesonα-amylaseproduction
6.Purificationofmicrobialα-amylases
7.Biochemicalpropertiesofα-amylases
7.1.Substratespecificity
7.2.pHoptimaandstability
7.3.Temperatureoptimaandstability
7.4.Molecularweight
7.5.Inhibitors
7.6.Calciumandstabilityofα-amylase
8.Industrialapplicationsofα-amylase
8.1.Breadandbakingindustryandasanantistalingagent
8.2.Starchliquefactionandsaccharification
8.3.Textiledesizing
8.4.Paperindustry
8.5.Detergentapplications
8.6.Analysisinmedicinalandclinicalchemistry
9.Conclusions
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Predictionofspeciesspecificforestinventoryattributesusinganonparametricsemi-individualtreecrownapproachbasedonfusedairbornelaserscanningandmultispectraldata OriginalResearchArticle
RemoteSensingofEnvironment,Volume114,Issue4,15April2010,Pages911-924
JohannesBreidenbach,ErikNæsset,VegardLien,TerjeGobakken,SveinSolberg
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Abstract
Whileforestinventoriesbasedonairbornelaserscanningdata(ALS)usingtheareabasedapproach(ABA)havereachedoperationalstatus,methodsusingtheindividualtreecrownapproach(ITC)havebasicallyremainedaresearchissue.OneofthemainobstaclesforoperationalapplicationsofITCisbiasedresultsoftenexperiencedduetosegmentationerrors.Inthisarticle,weproposeanewmethod,called“semi-ITC”thatovercomesthemainproblemsrelatedtoITCbyimputinggroundtruthdatawithincrownsegmentsfromthenearestneighboringsegment.Thismaybenone,one,orseveraltrees.Thedistancesbetweensegmentswerederivedbasedonasetofexplanatoryvariablesusingtwononparametricmethods,i.e.,mostsimilarneighborinference(MSN)andrandomforest(RF).RFfavoredtheimputationofcommonobservationsinthedatasetwhichresultedinsignificantbiases.MainconclusionsarethereforebasedonMSN.TheexplanatoryvariableswerecalculatedbymeansofsmallfootprintALSandmultispectraldata.Whentestingwithempiricaldatathenewmethodcomparedfavorablytothewell-knownABA.AnotheradvantageofthenewmethodovertheABAisthatitallowedforthemodelingofraretreespecies.Theresultsofpredictingtimbervolumewiththesemi-ITCmethodwereunbiasedandtherootmeansquarederror(RMSE)onplotlevelwassmallerthanthestandarddeviationoftheobservedresponsevariables.TherelativeRMSEsaftercrossvalidationusingsemi-ITCfortotalvolumeandvolumeoftheindividualspeciespine,spruce,birch,andaspenonplotlevelwere17,38,40,101,and222%,respectively.Duetotheunbiasednessoftheestimation,thisstudyisashowcaseforhowtousecrownsegmentsresultingfromITCalgorithmsinaforestinventorycontext.
ArticleOutline
1.Introduction
2.Material
2.1.Studyarea
2.2.Fielddata
2.3.Airbornelaserscannerandimagedata
3.Methods
3.1.Generaldescriptionofthemethod
3.2.Technicaldetailsofthemethodsused
3.2.1.Stepi);datapreparation
3.2.2.Stepii);delineationofcrownsegmentsandcomputationofexplanatoryvariables
3.2.3.Stepiii);dataanalysisandmodeling
3.2.4.Stepiv);imputationofnearestneighborsandupscaling
3.2.5.Areabasedapproach
4.Results
4.1.Segmentation
4.2.Selectedvariables
4.3.Resultsofthecrossvalidatedimputationforsinglesegments
4.4.Resultsoftheimputationupscaledtosampleplots
4.5.ResultsoftheABAandcomparisonwithsemi-ITC
5.Discussion
6.Conclusions
Acknowledgements
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Investigationsonweldingresidualstressesinpenetrationnozzlesbymeansof3DthermalelasticplasticFEMandexperiment OriginalResearchArticle
ComputationalMaterialsScience,Volume45,Issue4,June2009,Pages1031-1042
KazuoOgawa,DeanDeng,ShoichiKiyoshima,NobuyoshiYanagida,KoichiSaito
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Abstract
Recentdiscoveriesofstresscorrosioncracking(SCC)inweldmentsincludingpenetrationnozzlesatpressurizedwaterreactors(PWRs)andboilingwaterreactors(BWRs)haveraisedconcernsaboutsafetyandintegrityofplantcomponents.ItiswellknownthatweldingresidualstressisanimportantfactorresultinginSCCinweldments.Inthepresentwork,bothexperimentalmethodandnumericalsimulationtechnologyareusedtoinvestigatethecharacteristicsofweldingresidualstressdistributioninpenetrationnozzlesweldedbymulti-passJ-groovejoint.Anexperimentalmock-upisfabricatedtomeasureweldingresidualstressatfirst.Intheexperiment,eachweldpassisperformedusingasemi-circlebalancedweldingprocedure.Then,acorrespondingfiniteelementmodelswithconsideringmovingheatsource,depositionsequence,inter-passtemperature,temperature-dependentthermalandmechanicalproperties,strainhardeningandannealingeffectisdevelopedtosimulateweldingtemperatureandresidualstressfields.Thesimulationresultspredictedbythe3Dmodelaregenerallyingoodagreementwiththemeasurements.Meanwhile,toclarifytheinfluenceofdepositionsequenceontheweldingresidualstress,theweldingresidualstressfieldinthesamegeometricalmodelinducedbyacontinuousweldingprocedureisalsocalculated.Finally,theinfluenceofajointobliqueangleonweldingresidualstressisinvestigatednumerically.Thenumericalresultssuggestthatbothdepositionsequenceandobliqueangleshaveeffectonweldingresidualstressdistribution.
ArticleOutline
1.Introduction
2.Experimentalprocedure
3.Finiteelementmodel
3.1.Thermalanalysis
3.2.Mechanicalanalysis
4.Resultsanddiscussion
4.1.SimulationresultsofModelA
4.2.Comparisonbetweensimulationresultsandmeasureddata
4.2.1.Comparisonofaxialresidualstress
4.2.2.Comparisonofhoopresidualstress
4.3.SimulationresultsofModelBanddiscussion
4.4.SimulationresultsofModelCanddiscussion
5.Conclusion
Acknowledgements
References
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Lossaversion,equityconstraintsandsellerbehaviorintherealestatemarket OriginalResearchArticle
RegionalScienceandUrbanEconomics,Volume41,Issue1,January2011,Pages67-76
ElliotAnenberg
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Abstract
IdevelopanestimationstrategythatcanpointidentifytheeffectsoflossaversionandequityconstraintsonsellingpricesusingalongpanelofdatafromtheSanFranciscoBayArearealestatemarket.Ifindstrongevidencethatownersfacingnominallossesontheirhousinginvestmentsandownerswithh