简介:摘要:《童年的发现》是部编版教材小学语文五年级下册第八单元中的课文,是这个单元中难度最大的课文。本论文首先引导学生对梦进行了交流,并补充了大量的描写梦的词汇,继而在大量词汇补充的基础上,第一次引出句型:“他真是一个( )的孩子!”通过大量词汇的补充,为同学增加词汇量的补充,更为下面的教学做好词汇方面的铺垫,从而初步实现从“教课文”到“教语文”的转变;然后通过三个层次的剖析,引导学生输出:小作者真是一个( )的孩子!并进而引导学生总结作者是怎样写清楚一个梦的,从而通过疑问论证深度实现从“教课文”到“教语文”的转变;最后,总结运用类比法能把复杂的事情很容易说清楚,简单明了。对课文的最后一个自然段,教师尊重孩子们的感受,从孩子的视角去看问题,将孩子的切身体验与文本产生链接,达成本节课目标:从终身学习角度我力图实现从“教课文”到“教语文”的转变!
简介:Characteristicvaluesandtestingmethodsfordeepdrawingprocesses;Comparisonofexperimentalandsimulateresultsforamildsteelandadual-phasesteeldeformedundertensionanddeep-drawing;Computer-aidedprocessdesignsystemforaxisymmetricdeepdrawing;Contactlesson-linemeasurementofmaterialflowforclosedloopcontrolofdeepdrawing;Deepdrawingofnickelfoilandstainlesssteelfoil;
简介:Adatabaseorientedprocesscontroldesignalgorithmforimprovingdeep-drawingperformance,Afiniteelementandexperimentalstudyofsheetdeformationasinfluencedbydrawbeadendgeometry,Anoteondeepdrawingprocess:numericalsimulationandexperimentalvalidation,Anovelrolling-annealingcycleforenhanceddeepdrawingpropertiesinIFsteels,Anoveltechniqueoffrictionaideddeepdrawingusingablank-holderdividedintofoursegments.
简介:Drivesystemoptimizationofhydraulicdeepdrawingpressesfordevelopmentandcommissioning;Economicallaser-cutblanksfordeepdrawing;Effectofanisotropyandprebulgingonhydromechanica!deepdrawingofmildsteelcups;EnhancetheFormabilityofSheetMetalviaSmartTooling;Experimentalandnumericalapproachesofspringbackofhigh-performancesteelsdrawnwithu-shapedtoolsandanindustrialsidemembertool