学术会议发言稿英文
时间:2025-05-03
时间:2025-05-03
学术会议发言稿英文
篇一:国际会议作报告英语发言稿
Thankyou,prof.….Mynameis…..I’
mfrom…..Iamverypleasedtobeheretojointhisforum.Thetopicofmy presentationispropertiesofrapidconstructionmaterialsforsoil pavementoffieldairfield.Asisshowninthepicture,themainpartso fmyresearchareaboutsoilpavement.
Mypresentationwillincludethesefourparts:
First,somebackgroundinformationaboutthisresearch;second,the mainworkwehavedone;third,someconclusionswehavegotandthelast :innovationandpresentationofourpublishedpapers.
WhyIchoosethisitem?Ithinkitcanbeillustratedfromthefollowing
1 / 21__来源网络整理,仅作为学习参考
fourparts.First,theexistingquantityofairfieldsisstillnotsuf ficientandtheairfieldshavemanyshortcomingsespeciallyinwarti me.Second,thecomplementaryfacilities,suchashighwayrunwaysar efarlessthanairfields,however,havemoreweakness.Third,acerta inamountoffieldairfieldisquitenecessaryconsideringsomeemerg enciessuchasrescueanddisasterrelief.Forth,thefieldairfieldc anfillthevoidofairfieldandtheycanbecombinedtobeairfieldnetw ork.
Themeaningandaimofthisresearchcontainsthreeparts.Fast,conve nientandvalidity,fastmeansthefieldairfieldmustbeconstructed
asfastaspossible,convenientmeanstheconstructionshouldneedth eminimumequipment,laborandmaterialsconsideringtheactualcons tructioncondition,validitymeanstheconstructedairfieldisable
2 / 21__来源网络整理,仅作为学习参考
tosupporttheoperationofgivenaircraftinspecificallytime.
Justlikemanyotherterritories,thesituationoftheresearchistha ttheU.S.Armytakesadvancedline.TheU.S.Armydeclaresthattheyca nreachtoanywhereontheearthin96hours,themostimportantmethodf orforceprojectionisthoughaircraft,thusrapidconstructionofpa vementisthekeyproblemforrapidforcetransportation.
Themainworkwehavedonecanbesummarizedasfourparts,materialsch oosing,schememaking,mechanicalpropertiesresearchandwater-st ablepropertiesresearch.
Wechoosetwokindsofsoils,whicharegotfromXi’
an,ShanxiprovinceandJiuquan,Gansuprovinceseparately.Thesand fromBaRiverwasconsideratetoinvestigatetheinfluenceofsandtot hepropertiesofstabilizedsoil.Thechosenthreekindsofpowdersar
3 / 21__来源网络整理,仅作为学习参考
ecement,limeandnew-typestabilizerdevelopedbyChang’anUniversity.Theprinciplesinconsideringthefunctionof4kingso ffibersarereferringdifferentlength,typeandmixingthem.
Onaccountofthetime,Iwillmakeabriefdescriptionabouttheexperi mentscheme.Insummary,threepartswereproposedtodistinguishthe affectingfactorsinmakingexperimentscheme.Theyarepowdercontr ol,fibercontrolandotherfactors.Takingpowdercontrolforexampl e,thedosageofcementisrespectively6%,8%and10%whenthesoilisst abilizedonlybycement,whilethedosageofcementdecreaseto3%,5%a nd7%whenthelimeisaddictedtostabilizedsoil.Thefollowingtwofa ctorsarestabilizerandsand.
Sixkindsofexperimentswereperformedtoinvestigatetheinfluence ofabovefactorstothemechanicalpropertiesofstabilizedsoil.The
4 / 21__来源网络整理,仅作为学习参考
aimofcompactiontestistofindthemaximumdrydensityandoptimummo isturecontent.Theaimofcompressionstrengthtestistodeterminet heoptimumdosageofcement,lime,powderstabilizerandfiber,meanw hileevaluatingtheperformanceofstabilizedsoil.Theaimofsplitt ingtensionstrengthtestissimilartocompressionstrengthtest,th eleftpictureissamplestabilizedbycement,whiletherightpicture isthesamplestabilizedbyfiberandcement.Thedirectsheerisanoth erimportantparameteringeotechnicalengineering.Itinfluencest hefoundationbearingcapacityandmanyotherpropertiesespecially forsoilbaseandbasecourse.Theleftpictureshowsthecourseofmaki ng
sampleandtherightpictureshowsthetestprocess.
TheCBRtestandreboundmodulustestarereferencedfromhighwaytest specificationtoevaluatingthecomprehensivecapacitiesofeachst
5 / 21__来源网络整理,仅作为学习参考
ructurelevelofthepavement.Forboththetwotests,theleftpicture showsthecourseofmakingsampleandtherightpictureshowsthetestp rocess.Whatshouldbenotedisthatthenumberofsampleisatleast6,t helastresultistheaveragevalueofthesedategotfromtestaftereli minatingthebadresults.
Fourkindsofexperimentswereperformedtoinvestigatetheinfluenc eofabovefactorstothewater-stablepropertiesofstabilizedsoil. Thescouringtestisnotthestatedexperimentincurrentspecificati on.Itisperformedbyusthroughlookinguplargequantityofinterrel atedliterature,andtwodifferentwaystocarryout.Theleftpicture showsthemethodofvibrationtableandtherightpictureshowsthemet hodoffatiguetestinstrument.Penetranttestreferstotheexperime ntinrelatingconcretespecification.Theleftpictureshowsthepro cessofsaturation,therightpictureshowsthetestprocess.
6 / 21__来源网络整理,仅作为学习参考
Cantabriatestandothertestsarealloriginalexperiments;theyare usedinstabilizedsoilforfirsttime,hereIwillnotdevelopmynarra tive.
Asregardstheinnovation,Ithinkitthroughoutthewholeresearch,i ncludingmaterialschoosing,schememaking,mechanicalandwater-s tableexperiments.Ithinkitcanbedrawledfromthefollowingkeywor ds,suchassoilchoosing,sand,powders,fibers,andsoon.Threemain partscanbesummarized.First,selectingtwokindsofsoils,threeki ndsofpowders,severalcombinations;second,severalkindsoffiber s,differentlengthandadmixture;third,comprehensiveexperiment s,testmethodandtestinstrument.
篇二:英文学术会议主持人发言稿
模拟国际会议主持词
7 / 21__来源网络整理,仅作为学习参考
一、开题语
Goodmorning,ladiesandgentleman.WelcometoChicago,abeautifulc ityofAmerica.I’
m^^^^^^^^^^^^^^^^,from***********UniversityofChina.Itsavery verygreatpleasuretoparticipateinthe110THAssociationofAmeric anGeographersConferenceasthechairman,itsmyfirsttimetodoso.A ndIreallyenjoybeingstayherewithyouthismorning.
TheInternationalGeographyConferencehasbeenheld110thtimesbyt heAssociationofAmericanGeographers(AAG)institutesince1904 …… 此处隐藏:9177字,全部文档内容请下载后查看。喜欢就下载吧 ……
上一篇:《红楼梦》重点情节梳理
下一篇:广告公司会计实务