国际会议发言稿.docx

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国际会议发言稿.docx

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国际会议发言稿.docx

国际会议发言稿

　　篇一：

国际学术会议发言稿

　　1.Prologue

　　Thankyou,Mr.Chairman,foryourgraciousintroduction.Iamhonoredtohavethechancetoaddressyouonthisspecialoccasion.Thetopicofmypaperis“TransactionCostandFarmers’ChoiceofAgriculturalProductsSelling”.Theoutlineofmytalkasfollows.ThefirstpartIwanttointroducethebackgroundofthisresearch.Thesecondpartsuggestsasimplehouseholdchoicemodel.Thethirdpartcoversthedatausedinthisresearch.Andthen,weintroducetheempiricalresults.Finally,asimpleconclusionisgiven.

　　2.Introduction

　　Well,let’smoveonthefirstpartofthistopic.Themotivationofthisworklikethis.Institutionaleconomicspositsthatagentsmakingdecisionsondifferenttypesoftransactionsdosoinacostlyway.Forexample,farmersdecidingsellaparticularcroptowhombasetheirdecisionsnotonlyonthepricetheyexpecttoreceiveineachmarketchoicebutalsoonadditionalcostsrelatedtotransactinginthesemarkets.

　　Iwanttouseapicturetoillustrateit.Forexample,givensomemarketchannels,farmers’choicescanberegardedasequilibriumbetweenthesurplusandtheadditionalcoststhatrelatedtotransacting.Especiallyindevelopingcountries,high-valuecropproducersfullyparticipateinthemarketandthetransactioncosthasbeenthehardconstrainttofarmers.Furthermore,Farmers’marketchoicescanbetakenasachoicedilemmaoftransactioncostandproductionsurplus.Consequently,thescientificquestionofthisresearchishowtransactioncostaffectsplanters’choices.

　　3.Methodology

　　Let’smovetothetheoreticalmodelofourresearch.Considerahouseholdmodelinonerotation.Instage1,famerηneedstoallocatetheinputfactors.ThisprocesscanqbesetintoafunctionlikethisQ?

Q,Qηmeanstheoutputfarmersdecideqtoproduce.pimpliestheOutputpriceWimpliesInputPriceand.z:

isfixedinput.Onceproducewhatandproducehowmanyaredecided,nextquestiontobeconsideredishowmuchproductstobetransactedinmarket.HereweusethreeccCηmeanshowfunctionstodescribethisquestion.Thefirstequation,c?

p,z?

　　muchagriculturalproductsusedbyfamersthemselves.pimpliesthepricethecagriculturalproduct,z?

suggeststhefluctuationofCη.Thesecondequationq?

qηmeanstheamountofagriculturalproductstransactedin

market.Thethirdequationi?

impliestheamountexchangedinnthtime.

　　InStage3,farmerswilldecidetoselltheproductstowhom.Chanelj’smarketpriceis

　　bdecidedbyanexogenesispriceandfarmers’negotiatingpower.pij?

BBesidesthis,weuseamatrixtoshowthenetprofitofChaneljXik?

ik,?

ik?

　　andthenfarmers’choicecanbeexpressedinatypicalchoicemodel

　　expPr?

1exp?

　　Basedonthechoicemodel,anotherimportantconceptisfamers’channelchoice.Here,wesetfivetypes.Theyrankbythemarketbarriers.Accordingly,wesetagroupdiscretenumbertoexpressthem.Y:

dependentvariableY=5,meansfarmerchoose

　　brokers.Y=1,farmerssellproductstoconsumersdirectly.

　　4.Dataandestimationprocedures

　　Here,weillustratethedatadistributionwiththismap.AccordingtotheAgriculturalregionalizationfromDepartmentofAgriculture,TheapplespecializationareasinChinacontaintwoparts:

BoSeaareaandLoessPlateau.BoSeaAreainredcolor,containsHebei,ShandongandLiaoning3provinces.AndLoessPlateauingreencolor,containsShanxi,Henan,ShaanxiandGansu4provinces.Firstly,weusePPSmethodtogetthefirststagesamplingunit14countiesin7provinces.Thenuserandomsamplemethodtogetvillageandhousehold.Theyareoursampledistribution.

　　5.EmpiricalResults

　　6.Conclusions

　　篇二：

国际会议作报告英语发言稿

　　Thankyou,prof.….Mynameis…..I’mfrom…..Iamverypleasedtobeheretojointhisforum.Thetopicofmypresentationispropertiesofrapidconstructionmaterialsforsoilpavementoffieldairfield.Asisshowninthepicture,themainpartsofmyresearchareaboutsoilpavement.

　　Mypresentationwillincludethesefourparts:

　　First,somebackgroundinformationaboutthisresearch;second,themainworkwehavedone;third,someconclusionswehavegotandthelast:

innovationandpresentationofourpublishedpapers.

　　WhyIchoosethisitem?

Ithinkitcanbeillustratedfromthefollowingfourparts.First,theexistingquantityofairfieldsisstillnotsufficientandtheairfieldshavemanyshortcomingsespeciallyinwartime.Second,thecomplementaryfacilities,suchashighwayrunwaysarefarlessthanairfields,however,havemoreweakness.Third,acertainamountoffieldairfieldisquitenecessaryconsideringsomeemergenciessuchasrescueanddisasterrelief.Forth,thefieldairfieldcanfillthevoidofairfieldandtheycan

　　becombinedtobeairfieldnetwork.

　　Themeaningandaimofthisresearchcontainsthreeparts.Fast,convenientandvalidity,fastmeansthefieldairfieldmustbeconstructed

　　asfastaspossible,convenientmeanstheconstructionshouldneedtheminimumequipment,laborandmaterialsconsideringtheactualconstructioncondition,validitymeanstheconstructedairfieldisabletosupporttheoperationofgivenaircraftinspecificallytime.

　　Justlikemanyotherterritories,thesituationoftheresearchisthattheArmytakesadvancedline.TheArmydeclaresthattheycanreachtoanywhereontheearthin96hours,themostimportantmethodforforceprojectionisthoughaircraft,thusrapidconstructionofpavementisthekeyproblemforrapidforcetransportation.

　　Themainworkwehavedonecanbesummarizedasfourparts,materialschoosing,schememaking,mechanicalpropertiesresearchandwater-stablepropertiesresearch.

　　Wechoosetwokindsofsoils,whicharegotfromXi’an,ShanxiprovinceandJiuquan,Gansuprovinceseparately.ThesandfromBaRiverwasconsideratetoinvestigatetheinfluenceofsandtothepropertiesofstabilizedsoil.Thechosenthreekindsofpowdersarecement,limeandnew-typestabilizerdevelopedbyChang’anUniversity.Theprinciplesinconsideringthefunctionof4kingsoffibersarereferringdifferentlength,typeandmixingthem.

　　Onaccountofthetime,Iwillmakeabriefdescriptionabouttheexperimentscheme.Insummary,threepartswereproposedtodistinguishtheaffectingfactorsinmakingexperimentscheme.Theyarepowdercontrol,fibercontrolandotherfactors.Takingpowdercontrolforexample,thedosageofcementisrespectively6%,8%and10%whenthesoilisstabilizedonlybycement,whilethedosageofcementdecreaseto3%,5%and7%whenthelimeisaddictedtostabilizedsoil.Thefollowingtwofactorsarestabilizerandsand.

　　Sixkindsofexperimentswereperformedtoinvestigatetheinfluenceofabovefactorstothemechanicalpropertiesofstabilizedsoil.Theaimofcompactiontestistofindthemaximumdrydensityandoptimummoisturecontent.Theaimofcompressionstrengthtestistodeterminetheoptimumdosageofcement,lime,powderstabilizerandfiber,meanwhileevaluatingtheperformanceofstabilizedsoil.Theaimofsplittingtensionstrengthtestissimilartocompressionstrengthtest,theleftpictureissamplestabilizedbycement,whiletherightpictureisthesamplestabilizedbyfiberandcement.Thedirectsheerisanotherimportantparameteringeotechnicalengineering.Itinfluencesthefoundationbearingcapacityandmanyotherpropertiesespeciallyforsoilbaseandbasecourse.Theleftpictureshowsthecourseofmaking

　　sampleandtherightpictureshowsthetestprocess.

　　TheCBRtestandreboundmodulustestarereferencedfromhighwaytestspecificationtoevaluatingthecomprehensivecapacitiesofeachstructurelevelofthepavement.Forboththetwotests,theleftpictureshowsthecourseofmakingsampleandtherightpictureshowsthetestprocess.Whatshouldbenotedisthatthenumberofsampleisatleast6,thelastresultistheaveragevalueofthesedategotfromtestaftereliminatingthebadresults.

　　Fourkindsofexperimentswereperformedtoinvestigatetheinfluenceofabovefactorstothewater-stablepropertiesofstabilizedsoil.Thescouringtestisnotthestatedexperimentincurrentspecification.Itisperformedbyusthroughlookinguplargequantityofinterrelatedliterature,andtwodifferentwaystocarryout.Theleftpictureshowsthemethodofvibrationtableandtherightpictureshowsthemethodoffatiguetestinstrument.Penetranttestreferstotheexperimentinrelatingconcretespecification.Theleftpictureshowstheprocessofsaturation,therightpictureshowsthetestprocess.

　　Cantabriatestandothertestsarealloriginalexperiments;theyareusedinstabilizedsoilforfirsttime,hereIwillnotdevelopmynarrative.

　　Asregardstheinnovation,Ithinkitthroughoutthewholeresearch,includingmaterialschoosing,schememaking,mechanicalandwater-stableexperiments.Ithinkitcanbedrawledfromthefollowingkeywords,suchassoilchoosing,sand,powders,fibers,andsoon.Threemainpartscanbesummarized.First,selectingtwokindsofsoils,threekindsofpowders,severalcombinations;second,severalkindsoffibers,differentlengthandadmixture;third,comprehensiveexperiments,testmethodandtestinstrument.

　　篇三：

模拟国际会议演讲稿

　　Recsplorer:

RecommendationAlgorithmsBasedonPrecedenceMining

　　1.Introduction

　　Thankyouverymuch,Dr.Li,foryourkindintroduction.Ladiesandgentlemen,Goodmorning!

Iamhonoredtohavebeeninvitedtospeakatthisconference.BeforeIstartmyspeech,letmeaskaquestion.Doyouthinkrecomemdationsfromothersareusefulforyourinternetshopping?

Thankyou.Itisobviousthatre

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