英語論文Material.ppt

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Material&Method,,Function,Whathavebeendone?Howhavebeendone?,BasicContent,Generaldescriptionofexperiment(experimentpurpose).Descriptionofsamples,materials,apparatuses,devices,testers,etc.Thereasonwhyselectingspecificmaterials,apparatuses,devices,testers.Generaldescriptionofexperimentprocedure.Explicitstatementofexperimentprocedureorsystem(withfiguresordiagrams).Descriptionofspecialexperimentcondition.Descriptionofspecialdevices.ThemeansofcollectingexperimentresultsDescriptionofstatisticsmethod.,MaterialsandApparatuses,Whatareincluded?Equipments,chemicals,computersoftware,mathematicsformula.Thewayofdepicting:1.Generaldescriptionofresearchobjects.2.Detailinformationoftheingredients,componentsorpropertiesofmaterials.3.Explanationofstructure,functionoroperationofequipmentsorapparatuses(figures,diagrams,tables).,Tense:Present:Facts.Standardequipments.Generaldescriptionofsamples.Words:typically,usually,generally,mainlyE.g.Enrollmentinthecoursegenerallyconsistsmainlyofinformationscienceandengineeringstudents.,,Past:Equipmentsthatwereproducedorreconstructedforspecificapplication.E.g.Forexperimentsunder…conditions,a…machineweredeveloped.Itwascomposedoffourparts,…Samplesonlyexistinspecificexperimentorresearch.E.g.Thesampleconsistedof270seniorengineersfromthreeinternationalcompaniesinLondon.,Voice:Activevoice:whenemphasizethefunctionofequipmentsorreactionofmaterial.E.g.Thetonerdepositiononthesefabricsincreased4-5foldwhenthegridvoltageincreasedfrom200to600volts.Passivevoice:whenemphasizethebehavioroftheoperatorortheauthor.E.g.Eachtonerwasmixedwithcarriertoproducedevelopersystemsforxerographicprinting.,ExperimentProcedure,Tense:pastPresenttenseforfactsorstandardprocedures.Voice:passiveSamplesentences:Theexperimentswereperformedon…Theexperimentswerecarriedoutby…,