简介：Theaimofthisstudyistodevelopdatacollectiontoolsforevaluationofschoolpracticecoursesandforperceptionsofteachercandidatesregardingteachercompetenciesforeffectiveteaching.Threehundredandeighty-eightlastyearundergraduatestudentsfromsevenprogramsoffacultiesofeducationattwostateuniversitiesparticipatedinthestudy.Itemsofthe5-pointLikertscalewerewrittenaccordingtothedimensionsoftheconstructswithrespecttotherelatedliterature.Theitemswerereviewedbythreeexperts,oneofwhomisintheeducationalmeasurementandtwoofwhomareinthescienceandbiologyeducationdepartments.Dimensionalitiesofthetwo-dimensionalEvaluationofPracticumScale（EPS）andone-dimensionalCompetencyofInstructionQualityScale（CIQS）wereanalyzedusingfactoranalysis.UnweightedleastsquaresestimationmethodandPromaxrotationwereusedinthefactoranalysisprocedures.Cronbach＇sacoefficientswere0.89and0.83forthetwodimensionsofEPSand0.82forCIQS.

简介：在《英文角斗场》中,每篇文章都是精选自英美中小学生的读物和教材噢。想知道自己的英语水平有多高,就来试试吧。

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简介：I-IntroductionTheNeo-BabyloniantextUETVII,1261,publishedbythelateProfessorO.R.Gurney,showsthatin1.42afourth-stringislisted,bilingually,asSumerian'sa4.tur'='fourth,small-string',andAkkadian'a-ba-nu-[u]'='Ea-created'.Itistheonlytheonumericstringmentionedinthetext.ThepairingofEawiththisfourthstringwhilstthegodisusuallyassociatedwithnumber403attractedmy

简介：Longtermmorphologicalsimulationsusingcompletecoupledmodelsleadtoverytimeconsumingcomputations.Latteux(1995)presentedmodellingtechniquesdevelopedfortidalcurrentsituationsinordertoreducethecomputationaleffort.Inthispapertheapplicabilityofsuchmethodstosmallscaleproblemsisinvestigated.Itispointedoutthatthesemethodscanbetransferredtosmallscaleproblemsusingtheperiodicityofthevortexsheddingprocess.

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简介：ＣｈｉｎｅｓｅＧｙｍｎａｓｔｓＳｃａｌｅＮｅｗＨｅｉｇｈｔｓＤｅｌｉｇｅｎｃｅｈａｓｉｔｓｒｅｗａｒｄｓ，ｔｈｅＣｈｉｎｅｓｅｔｅａｍｄｉｓｃｏｖｅｒｓ．ＴＨＥＣＨＥＮＥＳＥＮａｔｉｏｎａｌＧｙｍｎａｓｔｉｃｓＴｅａｍｈａｄｉｔｓｂｅｓｔｐｅｒｆｏｒ...

简介：在这份报纸，在一条贝它隧道的一个新短暂强迫的伪反响的三个一组相互作用理论被建议调查在由带的wavenumbers组成的行星规模的流去的流动之间的相互作用1鈥吗？并且摘要规模的波浪在堵住的生命周期期间由一个早期的堵住区域在上游的修理的摘要规模的涡度来源连续地生产了。这被显示出重叠起始为带的wavenumbers的三个Rossby波浪1(单极)，2(偶极子)，并且3(单极)，它允许三个一组伪回声，能代表一个早期的堵住事件。摘要规模的旋涡可以行动放大早期的堵住并且与强壮的曲流使堵住的发行量激动，模式其流动取决于先存在的行星的波浪和紧张和地点的起始的振幅摘要规模的波浪。堵住的行星规模的裂口流动的发作(腐烂)被带的wavenumber的振幅的猛烈增加(减少)主要代表2部件，有偶极子与先存在有关的南方的结构摘要规模的旋涡。堵住的模型的典型坚持时间具有大约20天，与堵住模式的观察一致。在我们的模型，孤立不对称的偶极子堵住被摘要规模的波浪形成。全部的streamfunctions的即时地展出显著相似到在堵住的生命周期期间观察的摘要的地图。在发作阶段期间，摘要规模的波浪被提高并且由于放大堵住的反馈在堵住的区域附近分成了二个分支，与在真实堵住的事件的摘要规模的波浪的观察变化一致。另外，堵住的诊断案例研究被介绍证实强迫的伪反响的三个一组相互作用理论这里求婚了。关键词伪反响的三个一组相互作用-堵住波浪-摘要规模的波浪-堵住大小写

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简介：摘要：以小试试验为基础，在连续法聚丙烯中试装置上，应用釜内聚合技术，合成高溶体强度的可发性聚丙烯（EPP）进行了两吨级中试研究，并考察装置能否平稳运行，中试产品指标是否能达到预期要求，根据环管淤浆聚合工艺特点，优化完善聚合工艺条件，为工业化试生产提供理论和实验依据，是本次试验的主要目的，对该项技术的放大工业化应用至关重要，对于EPP新产品的开发是必不可少的环节。

简介：ProblemsofChinaBuilding&SanitaryCeramicsindustrialclusters，Currentstatusanddevelopmentofbuildingceramicsindustryathomeandabroad，TheformationanddevelopmentofJiajiang'sbuildingceramicsindustrialclusters，Resourceismomentumforindustrialclusters'development

简介：Describedisanewtechniqueofdecade-scaleclimaticforecasting,presentedbyacombinationofwaveletanalysisandstochasticdynamics.ThetechniqueisalsoappliedtodiagnosingandforecastingthedurationtimeofdryandwetclimatesinthedecadalhierarchyofdifferentareasinChina.Resultsshowthatinthedecadalhierarchy,thenorth,southwest,andsoutheastofChinaareareaswherevariouskindsoffrequentclimatedisastersappear;droughtseasilyoccurinthenorthandnorthwest,whilefloodsoftenoccurinSouthChina.Becausethismodelingtechniqueisbasedontimeseriesdata,itcanalsobeappliedinthemodelingandforecastingofsuchtimeseriesashydrology,earthquakesandecology.

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简介：A5－yearexperimentonwaterbalancehasbeenconductedinaflatrainfedwheatfieldwithanareaof66×100m^2inFengqiu,HenanProvinceinChina.Basedontheanalysisofsemi-variancefunctionsconductedwithsoilmoisturesamplestakenfrom77nodesofa10×10m^2grid,thesoilmoisturedistributioninthefieldwasstructuralwithatemporalstability.Accordingtotheautocorrelationrangeofthesemi-variancefunction,6siteswereselectedforthedeterminationofsoilwaterconditions.Thecharacteristicofprobabilitydensityfunctionofthedifferencesofwaterstorageintwosetsofmeasurementsshowedthatthedistributionofthesevariablesinthefieldwasanormalone.Theerrorintheestimationoftheaverageof5randomsampleswas14%(α=0.10),andtheerrorsofwaterconsumptionbywheatduringtheexperimentswereestimatedtobe6-13%.Simetheexperimentalfieldwaslargeenoughtoavoidanyedgeeffect,theresultsobtainedshouldtallywiththeactualsituation.Yetthesoilsystemwasheterogeneous,sowemustfollowtheprinciplesofstatisticsandgeostatisticswhendescribingthesystem'sstatuswiththeaverageofthesamples.

简介：Cellulasesareimportantglycosylhydrolases(GHs)thathydrolyzecellulosepolymersintosmalleroligosaccharidesbybreakingthecelluloseβ(1→4)bonds,andtheyarewidelyusedtoproducecellulosicethanolfromtheplantbiomass.N-linkedandO-linkedglycosylationswereproposedtoimpactthecatalyticefficiency,cellulosebindingaffinityandthestabilityofcellulasesbasedonobservationsofindividualcellulases.Asfarasweknow,therehasnotbeenanysystematicanalysisofthedistributionsofN-linkedandO-linkedglycosylatedresiduesincellulases,mainlyduetothelimitedannotationsoftherelevantfunctionaldomainsandtheglycosylatedresidues.Wehavecomputationallyannotatedthefunctionaldomainsandglycosylatedresiduesincellulases,andconductedasystematicanalysisofthedistributionsoftheN-linkedandO-linkedglycosylatedresiduesintheseenzymes.ManyN-linkedglycosylatedresidueswereknowntobeintheGHdomainsofcellulases,buttheyarethereprobablyjustbychance,sincetheGHdomainusuallyoccupiesmorethanhalfofthesequencelengthofacellulase.OuranalysisindicatesthattheO-linkedglycosylatedresiduesaresignificantlyenrichedinthelinkerregionsbetweenthecarbohydratebindingmodule(CBM)domainsandGHdomainsofcellulases.Possiblemechanismsarediscussed.

简介：Aclassoflarge-sealesystems,wheretheoverallobjectivefunctionisanonlinearfunctionofperformanceindexofeachsubsystem,isinvestigatedinthispaper.Thistypeoflarge-scalecontrolproblemisnon-separableinthesenseofconventionalhierarchicalcontrol.Hierarchicalcontrolisextendedinthepapertolarge-scalenon-separablecontrolproblems,wheremultiobjectiveoptimizationisusedasseparationstrategy.Thelarge-scalenon-separablecontrolproblemisembedded,under;ertainconditions,intoafamilyoftheweightedLagrangianformulation.TheweightedLagrangianformulationisseparablewithrespecttosubsystemsandcanbeeffectivelysolvedusingtheinteractionbalanceapproachatthetwolowerlevelsintheproposedthree-levelsolutionstructure.Atthethirdlevel,theweightingvectorfortheweightedLagrangianformulationisadjustediterativelytosearchtheoptimalweightingvectorwithwhichtheoptimaloftheoriginallarge-scalenon-separablecontrolproblemisobtained.Theoreticalbaseofthealgorithmisestablished.Simulationshowsthatthealgorithmiseffective.

简介：Background:Interpersonalcoordinationisanessentialaspectofdailylife,andcrucialtoperformanceincooperativeandcompetitiveteamsports.Whileempiricalresearchhasinvestigatedinterpersonalcoordinationusingawidevarietyofanalyticaltoolsandframeworks,todateveryfewstudieshaveemployedmultifractaltechniquestostudythenatureofinterpersonalcoordinationacrossmultiplespatiotemporalscales.Inthepresentstudyweaddressthisgap.Methods:Weinvestigatedthedynamicsofasimpledyadicinterpersonalcoordinationtaskwhereeachparticipantmanuallycontrolledavirtualobjectinrelationtothatofhisorherpartner.Wetestedwhethertheresultinghand-movementtimeseriesexhibitsmulti-scalepropertiesandwhetherthosepropertiesareassociatedwithsuccessfulperformance.Results:Usingtheformalismofmultifractals,weshowthattheperformanceonthecoordinationtaskisstronglymulti-scale,andthatthemulti-scalepropertiesappeartoarisefrominteraction-dominantdynamics.Further,wefindthatthemeasureofacross-scaleinteractions,multifractalspectrumwidth,predictssuccessfulperformanceatthelevelofthedyad.Conclusion:Theresultsarediscussedwithrespecttotheimplicationsofmultifractalsandinteraction-dominanceforunderstandingcontrolinaninterpersonalcontext.

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简介：TheconstructionoftheGeologicTimeScale(GTS)isatitanicscientificchallengethathasbeenunderwayfortwocenturiesandwillrequiremuchdedicatedeffortinthefuture.ItalypreservesaparamountstratigraphicrecordofMesozoicandCenozoicmarinesedimentsthathavebeensignificantinthedevelopmentofthemodernGTS.TheItalianstratigraphicrecordhasbeenhistori-callyimportantinintroducinganddefiningthestandardChronostratigraphicUnits(CUs)oftheNeogeneandQuaternary.PelagicsuccessionsfromNorthernApen-ninesandSouthernAlpshavebeenusedintheseventiesforintegratingthelateCretaceous-PaleogeneGeomag-neticPolarityTimeScale(GPTS)withplanktonicmicrofossilbiostratieraohvandstandardCUs.Thiswasamajorcontributiontotheconstructionofanewgener-ationofGTSbasedonintegratedmagnetobiochronol-ogy.ThemiddleMiocenetoearlyPleistocenemarinerecordfromSicilyandsouthernItalyhasbeenfunda-mentalforestablishingtherecentlydevelopedAstro-nomicalTimeScale(ATS).Inprospect,therearemanypotentialsstilltobeexploitedintheItalianmarinestratigraphicrecordforimplementingtheGTSbydefin-ingGSSPsofvariousCUs,improvingmagneto-biochronologyandextendingdownwardstheATS.

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