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简介：很多人认为法国人很臭、很懒、很粗鲁、拒绝说英语,但真相到底如何？

简介：Inrecentyears,althoughcollegestudentshaveacquiredahighlevelofproficiencyinEnglishreading,theyhavemadeverylittleadvancementinEnglishwriting.ThisisduetothefactthatinadequateimportanceisattachedtowritingintheteachingofEnglish,andthatstudentshaverathervagueideasabouttheroleofwritinginforeignlanguagelearningandaboutthediffer-entdiscoursepatternsexistingbetweenEnglishandChinese.Thus,thispapersuggeststhat,inordertoimprovestudents’writingability,twowaysbeadoptedtoraisestudents’awarenessoflearningtowrite:1)integratingtheproduct-orientedap-proachwiththeprocess-orientedapproach;2)usingstudents’readingasawritingsource.

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简介：IntroductionAsIreflectbackonmytimeasaneditor,Irecallafewissuesthatbotheredmerelatingtopublicationsinmedicaljournals,e.g.Impactfactorandtherelationshipofeditorialsandself-citationontheimpactfactorandacceptanceratesfororiginalpublications.Whatfollowsaresomethoughtsonthesubject.

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简介：在现实生活中，人们不时地会遇到这样或那样的烦心事或麻烦，总得宣泄一番，那么怎样以不同的方式来表达自己高兴、焦急或恐惧等情感呢。

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简介：与大气的研究(PSU-NCAR)Mesoscale模型(公里)的第五产生的宾夕法尼亚州的University-U.S.National中心的Reisner-2体积microphysicalparameterization，这篇论文调查台风Chanchu.Four不同microphysical敏感实验的microphysical敏感与一个目的被设计在modulating紧张预报和敏感实验的typhoon.The集合的微视物理学预算评估他们的各自的影响被进行那c

简介：IfdμistheFouriertransformofasmoothmeasure,dμonthehypersphereSn-1(n≥2)thethereexistsaconstantCdependentonlyonnsuchthat|dμ(y)|≤C(1+|y|)-(n-1)/2forally∈Rn.Inthispaper,weshowthattheabovestatementisfalsefornon-smoothmeasures.AndwepresentthecorrespondingestimationsfartheFouriertransformsofcertainnon-smoothmeasuresonSn-1.

简介：Inthispaper,weprovethatforholonomicnonconservativedynamicalsystemthePoincareandPoincaré-Cartanintegralinvariantsdonotexist.Insteadofthem,weintroducetheintegralvariantsofPoincaréCartan’stypeandofPoincaré’stypeforholonomienoneonservativedynamicalsystems,andusethesevariantstosolvetheproblemofnonlinearvibration.Wealsoprovethattheintegralinvariantsintro-ducedinreferences[1]and[2]aremerelythebasicintegralvariantsgivenbythispaper.

简介：knowsb．／sth．表示“认识某人”，即和那个人见过面，或“懂得／了解某事”，即经历过，知道，或学习过某事；knowofsb．／sth．表示“听说过某人或某事的有关情况”。例如：1)“DoyouknowMissJoan?”

简介：本单元主要围绕“被动语态”这一语法展开了话题训练，主要内容为“产品是由什么制造的或者是哪里制造的”。一、常用表达1.--Whataretheshirtsmadeof？.这些衬衫是由什么做的？

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简介：A2DmodelaboutcharginganddischargingprocessesinthundercloudisusedtosimulatethreedifferentialatmosphericstratificationsresultingindiscrepantthunderstormprocessesinBeijingregion.Thedynamicandmicrophysicalprocessesinthunderstormandtheirinfluenceonlightningactivitiesarealsdiscussed.Theresultsindicatethatascendingvelocityandwatervaporarethemostimportantfactorstoinfluencelightningactivities.Atthesametime,theyaffecteachotherandaretogethercontrolledbyatmosphericstratification.Themagnitudeoftheascendingvelocitydeterminestheintensityofstormandthetimewhenthethunderstormmatured.Thethunderstormwithstrongupdraftscanreachalargeheightinashorttime.Strongpersistentupdraftsandsufficientwatervaporwhichhelptogeneratemoreicephasehydrometeorsthatdirectlyinfluencecharginganddischargingprocesswillprolongthematurestageofthethunderstormandtherebyenhancelightningactivities.Thoughthebigdensityoficephasehydrometeorscanbeformed,itisdifficulttosustainalongtimeintheconditionofstrongupdraftsandscantwatervapor.Undertheconditionofweakupdraftsandsufficientwatervaporinthewholelevels,itiseasytoformwarmcloudprocessinwhichtheicephaseprocessandlightningactivitiesareweak.Thefavorablestratificationconditionsforstronglightningactivitiesarethesufficientvaporintheloweratmosphere,moderatehumidityinthemidtroposphere,biginstabilityenergyandsomesuitableconvectiveinhibition.Throughcalculatingsomeatmosphericinstabilityparameters,itisindicatedthatconvectiveinstabilityindexsmallerthan-10℃(negativemeansinstable),convectiveavailablepotentialenergylargerthan1000Jkg~(-1),convectiveinhibitionlargerthan40Jkg~(-1),the700-hPapotentialequivalenttemperaturelargerthan340Kandthe35%-85%humidityinthemidtroposphere(700-400hPa)aretheadvantageousconditionsforstronglightningactivities.

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简介：Byanalyzingthethermalandburdenstructureconditionsinsidethemelter-gasifierofCOREXprocess,theadvantageanddisadvantageofPCIintothemelter-gasifierareclarified.TheinfluenceofPCIontherunningconditioninsidethefurnaceisanalyzedbasedontheinformationfromproductionoperationandmathematicalandphysicalsimulations,andmeasurestotacklewiththeproblemsarisingfromPCIareproposed.Themainresultsareasfollows.①Duetotheunfavorableconditionsforcokingofcoalinthemelter-gasifier,cokingofchargedlumpycoaltogetsemicokewithgoodsizeandstrengthcanhardlybeexpected.Tomaintainthepermeabilityoftheburdencolumn,apackedbedsimilartoblastfurnaceisnecessary.Therefore,alittlemorecokewithPCIinplaceofmostofthelumpycoalmayimprovetherunningofthereactor.Thiscanalsomakethelumpycoalselectioneasier.②Overallheatbalanceanalysisofthemelter-gasifiershowsthatPCIhasnoeffectonthethermalconditionofthefurnaceasawhole.Localheatbalanceanalysis,however,showsthattheheathofthemelter-gasifierisinacriticalstateoflowheatsupply.PCIintothehearthwilldeterioratethethermalcondition.ToavoidthecoolingofthehearthzonebyPCI,moreoxygencanbeblowntothehearthzone,i.e.increasetheoxygensupplytothehearthanddecreaseaccordinglytheoxygensupplytothefreeboard.Moreoxygensupplytothehearthseemstobringouttheissueofanincreaseinfuelrateand/ortherebythesmeltingintensity.DetailedanalysisofthephysicalchemicalprocessesconcludedthatPCIwithmorecorrespondingoxygensupplywillnotleadtotheincreaseoffuelrate.③Comparingwithblastfurnace,theracewayvolumeofCOREXmelter-gasifierisaboutonly1/10～1/5ofthatofcorresponding-sizeblastfurnace.ThissmallracewayisnotfavorableforPCI.ToenlargetheracewaytogetmorefavorableconditionforPCI,lesstuyereswithmoreoxygensupplyofeachtuyereisproposed.④Comparingwithlumpycoalfeedingintot

简介：Nowadays,China,withalonghistoryandgreatculture,appealtomoreandmoreforeigntravelerscomeforavisit.Intourism,Englishisthemostessentiallanguageintourism.TouristmaterialsplayimportantrolesfortravelerstounderstandandenjoyChinesehistoricalsites,butnowmanymistakesandproblemsappearinthetouristmaterialsandmanyintroductionsofhistoricalsitesarenottranslatedappropriately.Thepresentpaperpresentsthecurrentconditionandproblemsintourismtranslation.SometouristmaterialsandtranslationsareadoptedtoanalyzethemaindifferencesinChineseandwesternculture.Thisthesisputforwardsometranslationtechniquesforthosewhofacethetranslationoftourismmaterials.