Writing_a_paper_7Results_2processingdata英文学习教学教案.ppt

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1、Writingandpublishingapaper8.Results.2–Primarydataandprocesseddata.“Data”and“results”PunctuationWritingaprecissubstrateconc./mMrateofreaction/mols-1000.20.30.50.711.021.331.541.6AnexampleofprimarydataResults.-PrimarydataandprocesseddataFirstpossibility:‘Therateofreactionis0.3mols-1whenthesubstr

2、ateconcentrationis0.2mM.Itincreasesto0.7mols-1when[substrate]=0.5mM,.....’substrateconc./mMrateofreaction/mols-1000.20.30.50.711.021.331.541.6Onlyrepetition.Thisisawasteoftime.Whatshouldwedowithprimarydata?Secondpossibility:‘Therateofreactionincreaseslessthanproportionatelyassubstrateconcentra

3、tionincreases’substrateconc./mMrateofreaction/mols-1000.20.30.50.711.021.331.541.6Thisfollowsapreliminarylookattheprimarydata.Itisafirstthought,butnotenough.substrateconc./mMrateofreaction/mols-1000.20.30.50.711.021.331.541.6Thirdpossibility‘Therateofreactionincreaseslessthanproportionatelytos

4、ubstrateconcentration.Therefore(a)itcannotbeasimplechemicalreaction(b)itcouldbeenzymecatalysed.ThisISastepforwardinanalyzingtheprimarydata,butwecoulddobetter.“ThedatacanbefittedbyacurveforanenzymewithVmax=2mols-1,andKm=1mM”Thisisaninterpretationandaquantitativeanalysisoftheprimarydata-aresultFo

5、urthpossibilitySeeifthedatafitMichaelis-Mentenkineticsand,ifso,obtainthevaluesoftheparameters.Processeddataaderivedresult.Intheresultssection(notthediscussion)1.Results.Themeasurementsweremadeusingstandardanalyticaltechniques.Theyarepresentedintable1.Discussion.AsolutionoftheNavier-Stokesequati

6、ontoanalysethedata,itsapplicationandtheoutcome.Significanceoftheresultsofthecalculations.TwoextremesTheResultssectioncontainsonlyprimarydata.TheDiscussionsectionincludescomplicatedmathematicalanalysisandsignificanceofthefindings.2.Results.Theratesofenzymicreactionatdifferentsubstrateconcentratio

7、nsareshowninTable1.ThedatafitanenzymecatalysedreactionwiththeenzymehavingKm=1mMandVmax=2molg-1s-1Discussion.Thesignificanceofthevalues.TwoextremesResultssectioncontainsprimarydataplusanalysisbystandardmethodsderiveddata.Th