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简介：本单元知识网络同步讲解SectionA1.Isthereahospitalnearhere?这附近有医院吗?这是一个therebe句型。结构:therebe+sb/sth+地点,表示在某地有某人或某物(there是引导词没有词义;be是谓语动词;某人/物是主语,地点作状语,多为介词短语)。如:

简介：同步讲解SectionA1.Isthereahospitalnearhere?这附近有医院吗?这是一个therebe句型。结构:therebe+sb/sth+地点,表示在某地有某人或某物(there是引导词没有词义;be是谓语动词;某人/物是主语,地点作状语,多为介词短语)。如:Thereisabankintheneighborhood.附近有一家银行。注意:(1)therebe句型的谓语动词be在人称和数上应与后面的第一个名词保持一致。如果后面的名词是可数名词单数

简介：接近的模糊subnear响(理想)的概念被介绍，一些它的相关性质被调查。特别地，在平常的模糊subnear响(理想)之中的关系，(∈，∈∨q)模糊subnear响(理想)和模糊subnear响(理想)近戒指被描述。最后，某描述[μ]t被给借助于(∈，∈∨q)模糊理想。

简介：Thecharacteristicofnear-fieldspotsisanalyzed.Thesizeofthenearfieldandtheheatresponsetimeofthehybridrecordmediumtoovercomesuperparamagneticeffectarecalculatedbasedontheheattransfertheory.Anovelmeasuringmethodforthediameterofnear-fieldrecordingspotisalsopresented.Sincethegrainoftherecordingmediaistinyenough,near-fieldopticallithographycanbeaccomplishedwiththeaidofatomicforcemicroscope(AFM).Thediameterofnear-fieldrecordingspotcanbeobtainedbyspecificallydesignedcomputer.Sotherelationshipbetweenthenear-fieldrecordingspotdiameterandtheprobesizeofnear-fieldrecordingsystem,thenearfieldrecordingdistancecouplingbetweenheadanddisccanbegot.

简介：Ananalyticalstudyofthetwodegreesoffreedomnonlineardynamicalsystemispresented.Theinternalmotionofthesystemisseparatedanddescribedbyonefourthorderdifferentialequation.AnapproximateapproachallowsreducingtheproblemtotheDuffingequationwithadequateinitialconditions.Anovelideaforaneffectivestudyofnonlineardynamicalsystemsconsistinginaconceptofthesocalledlimitingphasetrajectoriesisapplied.Bothqualitativeandquantitativecomplexanalyseshavebeenperformed.Importantnonlineardynamicaltransitiontypephenomenaaredetectedanddiscussed.Inparticular,nonsteadyforcedsystemvibrationsareinvestigatedanalytically.

简介：Withanewidea,weredefinegeneralizedfuzzysubnear-rings(ideals)ofanear-ringandinvestigatesomeofitsrelatedproperties.Somenewcharacterizationsaregiven.Inparticular,weintroducetheconceptsofstrongprime(orsemiprime)(∈,∈∨q)-fuzzyidealsofnear-rings,anddiscusstherelationshipbetweenstrongprime(orsemiprime)(∈,∈∨q)-fuzzyidealsandprime(orsemiprime)(∈,∈∨q)-fuzzyidealsofnear-rings.

简介：ThiscollectionofthoughtfulandinterestingstudiesbeganasasymposiumheldattheUniversityofTorontoinMarch1991,where,accordingtotheeditor’spreface,severalofthepaperswerepresented.Theprefatorymaterialisfollowedbyninepaperswhich,usingthesomewhatwryheadingof"deathandtaxes"asatakeoffpoint,illuminateawidevarietyoftopicsoverawidegeographicalandchronologicalrange.Thestudiesdealwithaspectrumofculturalremains,encompassingtexts,art,archaeologicalandarchitecturalmaterials;theyrangeinapproachfromvery"down-to-

简介：Ascanningnear-fieldopticalmicroscopeusinguncoatedfibertipisdescribed,whichcanworkintransmissionandreflectionconfigurations,bothcapableofworkinginilluminationandcollection-mode,sothateithertransparentoropaquesamplecanbeinvestigated.Dependingondifferentapplications,eitherconstant-gaporconstant-heightimagescanbeachieved.Acompacthomemadetranslatorpermitstoselectinterestedareaofsampleintherangeof4mm×4mm.Workingintheconstant-heightaswellastransmissionandcollection-modeconfiguration,severalkindsofsamplessuchasholographicgrating,liposomeandzeolitewereinvestigated.TheexperimentalresultsrevealedthedependenceoftheopticalresolutionoftheSNOMonthetip-sampleseparation.

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简介：在这研究，一个新数学模型被开发二部分创作了，包括为模仿近的差错地面运动的主导的速度脉搏的泛音和多项式表情。基于建议速度功能，为扎根的加速的相应表情和排水量时间历史也被导出。建议模型然后在下一代变细(NGA)工程图书馆用在差错地面运动附近像脉搏的选择的一些被适合。新模型简单处于良好的竟技状态而且与精确的高水平在差错记录附近模仿实际速度的长时期的部分不仅。建议基于模型的有弹性的反应系列与在脉搏的占优势的频率的邻居的近的差错记录兼容，这被显示出。结果显示建议模型足够地模仿时间历史的部件。最后，建议脉搏的精力与实际记录的精力相比证实相容性。

简介：Basedonthedataobtainedduringthe15thAntarcticExpeditionofChinabetweenNovember1998andFebruary1999,thepaperdiscussesthewatermassesdistributedonbothsidesoftheContinentalWaterBoundary(CWB)aswellasthespacialvariabilityofthephysicalcharacteristicsofthecentrallocation,thefrontalwidth,thefrontalstrength,theverticaldepth,andtheverticalthicknessforCWB,Theaboveresultsarecomparedwiththeresultsfromthedataobtainedduringthe9thAntarcticExpeditionofChinabetweenDecember1992andFebruary1993,andthetemporalvariabiltiyofthosecharacteristicsisdiscussed.Inaddition,theinhomogeneityofthekinematiccharacteristicsandthepattermsofthedynamicheightsforthosewatermasseslocatedonbothsidesofCWBareillustrated.Asitispointedoutinthepaper,thetroughinthedynamicheightfieldisidentifiedwiththefrontallocationofCWBandtheoceaniccurrentshear.Furthermore,thedynamicreasonfortheupwellingofthecircumpolardeepwatercanbeunderstoodbytheexplanationdescribedinthepaper.

简介：Thefiniteelementformulationforanalyzingstaticdamagenearaconductingcrackinathinpiezoelectricplateisestablishedfromthevirtualworkprincipleofpiezoelectricity.Thedamagefieldsundervariousmechanicalandelectricalloadsarecalculatedcarefullybyusinganeffectiveiterativeprocedure.Thenumericalresultsshowthatallthedamagefieldsaroundacracktiparefan-shapedandtheelectricfieldappliedhasgreatinfluenceonthemechanicaldamage,whichisrelatedtothepiezoelectricproperties.

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简介：Theproblemofboundarylayerflowsataflatplatesurfacewithvelocity-slipandtemperature-jumpboundaryconditionsisanalyzed.Withthevelocityslipconditions,therearemultiplephysicalfactorslumpedtogether,andtheboundarylayersolutionssignificantlychangetheirbehaviors.Theself-similarityinthesolutionsdegenerates,however,theproblemisstillanordinarydifferentialequationwhichcanbesolved.Shootingmethodsareappliedtosolvetheflowfield.Theresultsincludevelocityandtemperatureforboththesurfaceandflowfield.UnlikethetraditionalBlasiusflatplateboundarylayersolutionswhichareself-similarthroughalltheplateboundarylayer,thenewsolutionsindicatethatthefronttipisactuallyasingularitypoint,especiallyatlocationswithinonemeanfreepathfromtheleadingedge.

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