简介：IATEFL,theInternationalAssociationofTeachersinEnglishasaForeignLanguage,isanorgamsationforallprofessionalsinvolvedinEnglishLanguageteaching.Ithasbeeninexistencesince1968andhasgrownfromasmallorganisationbasedintheUKtothelargeoneitistodaywithover8,000membersworldwide.Whyhasitlastedandgrown?

简介：自从20世纪50年代以来，动物克隆不断取得进展，青蛙、老鼠先后被成功克隆。1996年，克隆羊“多莉”出世，野牛、猫、狗等也先后被克隆。动物克隆是科学进步的表现，具有很大的医学价值。但是，克隆动物仍有诸多问题，引起了许多异议。你本人也对动物克隆有许多担心。请根据所学知识，以Anarticleofargument为题写一篇100字左右的短文陈述自己的观点。

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简介：<正>Ethnomusicologyasanemergingdisciplinehasmanykindofstatement.ThroughreadingMkolinski’article《ThesubjectandmethodofEthnomusicology》andthinkofethnomusicologyresearch.TheethnomusicologyIntheprocessofdevelopmentusedtomanykindsofMethodologyandinthisarticlesothatmethodologybycomparingtheperiodscholarswecanfoundethnomusicologyinthecourseofhistory.Thisarticledescribesthemethodfromanumberofmusicologists.

简介：Inthisreview,weintendtoclarifytheunderlyingideasandtherelationsbetweenvariousmultigridmethodsrangingfromsubsetdecomposition,toprojectedsubspacedecompositionandtruncatedmultigrid.Inaddition,wepresentanovelgloballyconvergentinexactactivesetmethodwhichiscloselyrelatedtotruncatedmultigrid.Thenumericalpropertiesofalgorithmsarecarefullyassessedbymeansofadegenerateproblemandaproblemwithacomplicatedcoincidenceset.

简介：Number1GlobalSeaLevelChangeandThermalContributionZUOJuncheng,ZHANGJianli,DULing,LIPeiliang,andLILei

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简介：Thefollowingarticlepublishedonlineat10July2017,DOI:10.1007/s12209-017-0075-9,hasbeenretractedbyagreementbetweentheauthorsandthejournal'seditors.Theretractionisduetoduplicatepublication,fig.1,2,3,4,6,7,12,14,15,table1,2,3,4,5,6inthepaperhadalreadybeenpublishedinSteelandCompositeStructures,Vol21,no1.Theonlineversionofthisarticlecontainsthefulltextoftheretractedarticleaselectronicsupplementarymaterial.

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简介：Basedonthecovariantprolongationstructuretechnique,weconstructtheintegrablehigher-orderdeformationsofthe(2+1)-dimensionalHeisenbergferromagnetmodelandobtaintheirsu(2)×R(λ)prolongationstructures.ByassociatingthesedeformedmultidimensionalHeisenbergferromagnetmodelswiththemovingspacecurveinEuclideanspaceandusingtheHasimotofunction,wederivetheirgeometricalequivalentcounterparts,i.e.,higher-order(2+1)-dimensionalnonlinearSchrdingerequations.