国际会议发言稿.docx

国际会议发言稿.docx

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国际会议发言稿

国际会议发言稿

　　第一篇：

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?

?

q?

?

c?

qηmeanstheamountofagriculturalproductstransactedin

　　q?

n?

market.thethirdequationi?

q?

impliestheamountexchangedinnthtime.

　　instage3,farmerswilldecidetoselltheproductstowhom.chanelj’smarketpriceis

　　bdecidedbyanexogenesispriceandfarmers’negotiatingpower.pij?

p*

　　j?

bbesidesthis,weuseamatrixtoshowthenetprofitofchaneljxik?

ik,?

?

?

ik?

　　andthenfarmers’choicecanbeexpressedinatypicalchoicemodel

　　exppr?

1exp?

k?

1

　　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

　　第二篇：

国际会议

　　国际会议：

20XX2ndinternationalconferenceonenvironmentscienceandengineering

　　postby：

20XX-7-2419:

09:

28

　　20XX2ndinternationalconferenceonenvironmentscienceandengineering

　　may.26,20XXnews!

theicese20XXpapersareavailableinthevol.8ofipcbee.

　　mar.16,20XXnews!

theconferenceprogramoficese20XXisavailablenow.

　　welxxetotheofficialwebsiteofthe20XX2ndinternationalconferenceonenvironmentscienceandedduringapril7-820XX,inbangkok,thailand.icese20XX,aimstobringtogetherresearchers,scientists,ehepracticalchallengesencounteredandthesolutionsadopted.

　　changeandsharetheirexperiences,newideas,andresearchresultsaboutallaspectsofenvironmentscie

　　theconferencewillbeheldeveryyeartomakeitanidealplatformforpeopletoshareviewsandexpsensorsandrelatedareas.icese20XXwillbepublishedinonevolumeofipcbee,andallpaperswillbeydigitallibrary,andindexedbythomsonisi.

　　callforpapers

　　20XX2ndinternationalconferenceonenvironmentscienceandengineering,icese20XXisthepremierforumforesearchresultsinthefieldsoftheoretical,experimental,andappliedenvironmentscienceandengineering.theconfereers,engineersandscientistsinthedomainofinterestfromaroundtheworld.topicsofinterestforsubmissioninclude,

　　environmentalscienceandtechnology

　　environmentaldynamics

　　meteorology

　　hydrology

　　geophysics

　　atmosphericphysics

　　physicaloceanography

　　globalenvironmentalchangeandecosystemsmanagement

　　climateandclimaticchanges

　　globalwarming

　　ozonelayerdepletion

　　carboncaptureandstorage

　　biofuels

　　integratedecosystemsmanagement

　　satelliteapplicationsintheenvironment

　　environmentalrestorationandecologicalengineering

　　habitatreconstruction

　　biodiversityconservation

　　deforestation

　　wetlands

　　landscapedegradationandrestoration

　　groundwaterremediation

　　soildecontamination

　　eco-technology

　　bio-engineering

　　environmentalsustainability

　　resourcemanagement

　　lifecycleanalysis

　　environmentalsystemsapproach

　　renewablesourcesofenergy-energysavings

　　cleantechnologies

　　sustainablecities

　　healthandtheenvironment

　　healthrelatedorganisms

　　hazardoussubstancesanddetectiontechniques

　　biodegradationofhazardoussubstances

　　toxicityassessmentandepidemiologicalstudies

　　qualityguidelines,environmentalregulationandmonitoring

　　indoorairpollution

　　waterresourcesandriverbasinmanagement

　　regulatorypractice,waterqualityobjectivesstandardsetting,waterqualityclassificationpublicparticipation

　　economicinstruments

　　modelinganddecisionsupporttools

　　institutionaldevelopment

　　transboundarycooperation

　　managementandregulationofpointanddiffusepollution

　　monitoringandanalysisofenvironmentalcontaminant

　　groundwatermanagement

　　wastewaterandsludgetreatment

　　nutrientsremoval

　　suspendedandfixedfilmbiologicalprocesses

　　anaerobictreatment

　　processmodelling

　　sludgetreatmentandreuse

　　fateofhazardoussubstances

　　industrialwastewatertreatment

　　advancesinbiological,physicalandchemicalprocesses

　　onsiteandsmallscalesystems

　　storm-watermanagement

　　airpollutionandcontrol

　　emissionsources

　　atmosphericmodelingandnumericalprediction

　　interactionbetweenpollutants

　　controltechnologies

　　airemissiontrading

　　solidwastemanagement

　　wasteminimization

　　optimizationofcollectionsystems

　　recyclingandreuse

　　wastevalorization

　　technicalaspectsoftreatmentanddisposalmethodsleachatetreatment

　　legal,economicandmanagerialaspectsofsolidwastemanagement

　　managementofhazardoussolidwaste

　　watertreatmentandreclamation

　　disinfectionanddisinfectionby-products

　　managementofwatertreatmentresiduals

　　aestheticqualityofdrinkingwater

　　effectofdistributionsystemsonpotablewaterquality

　　reuseofreclaimedwaters

　　dexedbythomsonisi.

　　importantdateadvancedtreatmentofwaterandsecondaryeffluentsicese20XXwillbepublishedinonevolumeofipcbee,andallpaperswillbeincludedinengineering

　　papersubmissionbeforedecember10,20XXnotificationofacceptanceonjanuary1,20XXfinalpapersubmissionbeforejanuary15,20XXauthors'registrationbeforejanuary15,20XXicese20XXconferencedatesapril7-8,20XX

　　submissionmethods:

　　1.electronicsubmissionsystem;

　　ifyoucan'tloginthesubmissionsystem,pleasetrytosubmitthroughmethod2.

　　2.email:

icese@cbees.org

　　第三篇：

国际会议

　　invitationletter

　　dearprofessorli,

　　onbehalfofthepekinguniversityandtheieeexxputersociety,iwouldbeverypleasedtoinviteyoutoattendandchairasessionoftheforthxxing20XXinternationalconferenceonparalleldataprocessingtobeheldinbeijing,frommarch25tomarch28,20XX.

　　youareaninternationallyacclaimedscholarandeducator.yourparticipationwillbeamongthehighlightsoftheconference.

　　wesincerelyhopethatyoucouldacceptourinvitation.ifyoucanxxe,pleaseletusknowassoonaspossible,sincewehavetopreparethefinalprogramsoon.wearelookingforwardtoyouracceptance.

　　sincerelyyours,

　　wangyang

　　replyletter

　　dearprofessorwang,

　　manythanksforyourletterdated15thfebruary,invitingmetoattendandchairasessionoftheforthxxing20XXinternationalconferenceonparalleldataprocessingtobeheldinbeijing,frommarch25tomarch28,20XX.

　　muchtomyregret,ishallnotbeabletohonortheinvitationbecauseihavebeensufferingfromadiseasesincethissummer.iamfirmlyadvisedthatitwouldbeunwisetoundertakeanydistantandlongtravelinthenearfuture.

　　ifeelverysadtomisstheopportunityofmeetingyouandmanyothersinthefieldofxxputerscience.iwishtheconferenceaxxpletesuccess.sincerelyyours,

　　liming

　　inquiryletter

　　dearsir,

　　thanksyouverymuchforacceptingourinvitation.iamwritingtoaskforinformati