简介：话题呈现假设你经历了一件让你感动的事,下面这段文字是这件事的开头,请你根据内容提示,补充正文部分,使故事完整。

简介：each和every都有“第一”、”每个的”之意，但用法却不同，现在让我们来看看它们有哪些不同吧！

简介：Iamastudent,IstudyatMaoGangMiddleSchool.IaminClassOne,GradeTwo.Iliketomakefriendswithboysandgirls.

简介：each和every都有“每个”之意。但是，它们的用法有所不同。

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简介：1CopyrightSubmissionofamanuscriptimplies:thattheworkdescribedhasnotbeenpublishedbefore(exceptintheformofanabstractoraspartofapublishedlecture,review,orthesis);thatitisnotunderconsiderationforpublicationelsewhere;thatitspublicationhasbeenapprovedbyallco-authors,ifany,aswellas-tacitlyorexplicitly-bytheresponsibleauthoritiesattheinstitutionwheretheworkwascarriedout.Theauthorwarrantsthathis/hercontribution

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简介：Theauthorwarrantsthathis／hercontributionisoriginal,hasnotbeenpublishedpreviously,andisnotunderconsiderationforpublicationinanyotherrefereedjournals．Andhe／shehasfullpowertomakethisgrant．Allauthorssignforandacceptresponsibilityforreleasingthismaterial．Iftheauthorneedstosubmitthepaperelsewhereduringthereviewprocess,he／shemustdeclareitswithdrawaltotheeditorpriortosuchsubmission．

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简介：Prestinisthemotorproteinofcochlearouterhaircells(OHCs).ItisabletoperformrapidandreciprocalelectromechanicalconversionthatunderliesOHCelectromotility.Duetotheinadequatesizeofasingleprestinmoleculetoformthe~12nmintramembraneousproteinparticles(IMPs)intheOHClateralmembrane(LM),thepossibilityofprestinoligomerizationhasbeenproposed.Ithasbeensuggestedthatprestinmoleculesformhighorderoligomers,mostlikelyasthetetramer,inheterologoussystems.InOHCs,however,theoligomericstructureofprestinremainsunclear.Herewecalculatedtheprestin-relatedchargedensityinbothgerbilandguineapigOHCsthroughmeasuringtheirnonlinearcapacitance(NLC)andLMsurfacearea,showingthattheaveragechargedensity(22,608μm-2ingerbils;19,460μm-2inguineapigs)isstatistically4timestheaveragedensityofIMPs(5,686μm-2ingerbils;5,000μm-2inguineapigs).ThissuggeststhateachIMPcontainsfourprestinmoleculesbaseduponthenotionthateachprestintransfersasingleelementarycharge,implyingthatprestinformstetramersinOHCs.Todeterminewhethertheprestintetramerfunctionsasamechanicalunit,wesubsequentlycomparedtheslopefactors(α)ofelectromotilityandNLCsimultaneouslymeasuredfromthesameOHC,showingthattheαvaluesofthetwoarestatisticallythesame.ThissuggeststhateachprestinmoleculeinthetetramerismechanicallyindependentandequallycontributestoOHCelectromotility.

简介：Basedontheequilibriumtidetheoryoftheseawater,amodeloflongperiodvariationsinairpressurewiththelunarmotionisderivedtoadvancetheclimatictideconceptandformulatetheclimatictideformula,whichprovidesusefulleadsforpredictingtheheavymeteorologicalcatastropheinShandongarea,eveninChina,aswellasinthewholeworld.

简介：Therearesomebasicproblemsinprevioustheoreticalstudiesofbaroclinicinstability.Thederivedcriticalbaroclinitywasconsiderablylowerthanthetimeaveragedmeanmeridionaltemperaturegradient,especiallyinthelowertroposphere.Also,thelinearmechanismofbaroclinicdisturbancedevelopmentwhichisnotedrestrictedbythecriticalbaroclinitywasnotstudiedsufficiently.Therealisticcriticalbaroclinityanddisturbancedevelopmentarediscussedinthisstudy.Itwillbeshownthatthecriticalconditionofinstabilityandtypicaltimeandspacescalesofdisturbancesde-pendonthree-dimensionalstructuresofatmosphereandsphericityoftheearth,otherthanthehorizontaltemperaturegradientalone.Thevariantbehaviourofatmosphericdisturbancesdependshighlyontheirspecificscalesthatmaybedescribedbythesametheoreticalmodel.Thus,therewouldbenosubstantialdifferencesinthebasicinstabilitymecha-nismofmanydisturbancesincludingthepolarlowsandexplosivecyclones.

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简介：The3-Dspiralstructureresultingfromthebalancebetweenthepressuregradientforce,Coriolisforce,andviscousforceisacommonatmosphericmotionpattern.Ifthenonlinearadvectivetermsareconsidered,thistypicalpatterncanbebifurcated.Itisshownthatthesurfacelowpressurewithconvergentcyclonicvorticityandsurfacehighpressurewithdivergentanticyclonicvorticityareallstableundercertainconditions.Theanomalousstructurewithconvergentanticyclonicvorticityisalwaysunstable.Buttheanomalousweakhighpressurestructurewithconvergentcyclonicvorticitycanexist,andthisdenotesthecyclone'sdyingout.

简介：TheatmosphericmercurypollutioninBeijingisaseriousproblem.Atmosphericmercuryhasthreesources:naturalemission,anthropogenicemissionandpreviouslydepositedmercuryreemissionorrecycling,composingelementalmercury,divalentmercuryandparticulate-phasemercury.ManystudiesshowedthatmercuryinBeijing'sairwashigherthanthegenerallevelofmercuryconcentrationintheatmosphere.Mercuryemissionsourceswerediscussed.Industrialemissions,coalburning,vehicleexhaustemissionsandwasteincinerationwerethoughttobethemainsourcesofatmosphericmercurypollutioninBeijing.AndalsometeorologyhasaneffectonatmosphericmercuryconcentrationinBeijing.Measureshavebeentakentocontroltheemissionofmercuryintotheairinrecentyears.

简介：全球大气的尖动量(AAM)的变化激动的极的运动被调查。基于全球AAM数据，数字结果证明AAM的变化能激动季节摇摆(例如，18月摇摆)并且蜡烛制造者摇摆，它与以前的研究同意很好。另外由过滤主导的低频率部件，一些不同极摇摆相应于大气的潮被发现的日报、半天的某伟人。

简介：Each和Every，Either和Neither都是很容易混淆的词，也是考试中常遇到的考点，更是同学们感到迷惑容易失分的地方。其实只要掌握了基本用法和常用句型，还是很好区分的。下面结合例句谈谈这几个询的用法。

简介：Problemsofinstabilityofrotatingatmosphericmotionsareinvestigatedbyusingnonlineargoverningequationsandthevariationalprinciple.Themethodsuggestedinthispaperisuniversalforobtainingcriteriaofinstabilityinallmodelswithallpossiblebasicflows.Forexample,themodelcanbebarotropicorbaroclinic,layerorcontinuous,quasi-geostrophicorprimitiveequations;thebasicflowcanbezonalornonzonal,steadyorunsteady.Althoughthebasicflowspossessagreatdealofvariety,theyallarethestationarypointsinthefunctionalspacedeterminedbyanappropriateinvariantfunctional.Thebasicflowisanunsteadyoneiftheconservationofangularmomentumisincludedintheassociatedfunctional.Thesecondvariation,linearornonlinear,givesthecriteriaofinstability.Especially,thegeneralcriteriaofinstabilityforunsteadybasicflow,orographicallydisturbedflowaswellasnongeostrophicflowarefirstobtainedbythemethoddescribedinthispaper.Itisalsosh

简介：TheassociationbetweenthelunarphasesandtheatmosphericelectricfieldhasbeeninvestigatedfromthesuperposedepochanalysisofthelongseriesofcontinuousdataoftheverticalelectricfieldforColaba,Bombay(18°53’N,73°48’E11mASL)fortheperiod1947-1966.Alsotheperiodicitiesintheatmosphericelectricfieldhavebeenstudiedfromthespectralanalysisofthedata.Thestudyhasindicatedthatwhenthefullmooniswithin4oftheeclipticplanei.e.,Bf4°,theelectricfieldpeaksonthedayofthefullmoonfollowedbyasteepfallinthefieldvaluesupto4daysfollowingthefullmoondayandthereafteritshowedasteepincrease.Also,theelectricfieldhasexhibited5-9dayperiodicityanditsmultiplesarenearlyalwayspresent.Theperiodicityintheelectricfieldcorrespondswiththeaveragetimeintervalbetweenthesuccessivemagneticsectorboundary(MSB)crossingsi.e.,7days.Onmostoftheoccasions,theMSBcrossingdayisassociatedwithamaximumof