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大小:5.73 MB
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时间:2019-12-03
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1、走进化学世界!化学——人类进步的关键!Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.化学chemistryChemistry化学是尝试Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.谈谈初三化学哪些内容给你留下了深刻的印象?聊聊Evaluat
2、iononly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.化学是以实验为基础的,在分子、原子层面研究物质的组成、结构、性质和变化规律以及物质合成的一门中心的自然科学。一、化学的研究对象Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.Cre
3、atedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.二、化学的发展简史Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.我国古代化学成就Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyr
4、ight2004-2011AsposePtyLtd.在医学巨著《本草纲目》中,记载了许多化学鉴定的试验方法Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.近现代化学文明Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1.粮食问题--化肥与农药E
5、valuationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.2.疾病问题--合成药物Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.阿司匹林Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProf
6、ile5.2.0.0.Copyright2004-2011AsposePtyLtd.3.材料问题--新材料的发明Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.F-117是一种战斗轰炸机。F-117A主要以铝合金制造,在机身表面涂有雷达吸收材料(RAM),其基本的外形上具扁平的表面,即一般人所知的多面体(faceting)技术,能达到驱散能量的效果,使雷达无法捕捉此机。Evaluationonl
7、y.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.材料是人类赖以生存和发展的物质基础,一直是人类进步的重要里程碑。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.你想成为蜘蛛侠吗?Evaluationonly.CreatedwithAspose.Slidesfor.NET
8、3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.4、化学与能源问题无烟煤可
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