简介：教坛禅机（２）潘景峰抓“纲”务“本”评价一堂好课，标准颇多，然而最根本的是抓“纲”务“本”。“纲”即教学大纲。勿脱纲，忌超纲。遵循大纲就是尊重教学规律。“本”即各科教材。宜吃透，贵钻研。长村了然于胸，才能居高临下，越教越好。抓“纲”务“本”，是提高教...

简介：　　（6）相对主义起因于人文社会知识中的主观性和意识形态性质,那么对人文社会科学知识基础的哲学追问就变成了一种意识形态批判,它的主要贡献在于揭示出决定人文社会知识的东西不仅有理论的因素

简介：A、她们在听谁的歌?美、静、琳和艺都是流行音乐发烧友,她分别是孙燕姿、萧亚轩、容祖儿和twins的fans。天她们又各自听自己喜爱的歌。1、美不在听燕姿的歌,也不在听twins的歌;2、静不在听祖儿的歌,也不在听燕姿的歌;

简介：普遍化与代入方法 ,朗特纳克比加尔文更,诚实地说出自己的不诚实

简介：学习要点：糖尿病患者中的微白蛋白尿症是发生大血管病的极强危险因素。

简介：运煤到纽卡索,reader’s ,Feng’s 

简介：中国留学生都是相当努力用功的，很多人每天晚上学习到午夜才睡觉。但事实上英国当地学生睡得还晚。那是因为他们给自己很多娱乐时间，而同一时间中国留学生却在学习。不管怎么样，我们在学科上的优势是显而易见的。CTC每个星期每门学科都有个testperiod。MrsWood就是专门负责考试的员工。

简介：1.切西瓜夏天到,吃西瓜,考考你:一块西瓜,要求3刀切成七块,吃完之后共有8块西瓜皮,请问该如何切呢?

简介：and the reduction of public and social expenses.Economists may not necessarily share the economic and social interests of the true believers and may have a variety of individual psychic states regarding the economic and social effects of the utopia which they cloak with mathematical reason. Nevertheless,or better yet the supranational state - a European state on the way toward a world state - capable of effectively controlling and taxing the profits earned in the financial markets and,on reserves of social capital that protect an entire portion of the present social order from falling into anomie. This social capital is fated to wither away - although not in the short run - if it is not renewed and reproduced.But these same forces of "conservation"

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简介：B2C的未来是什么,提供平台服务的B2B2C或许是一条坦途.

简介：НетN2（Her+名词第二格）是一种常见的否定句,表示“没有,不存在”的意思。这种句子中可以加进多种限定语,其中心意思不变:等。

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简介：Inthiswork,boththethermalexpansionandelectricalconductivityofnanocrystallineLa2Mo2O9werestudied.ThenanocrystallinepowderofLa2Mo2O9wasobtainedbysol-gelmethod,andwiththehelpofSHP(superhighpressure)upto4.5×104atmat700℃forashorttime,andthenanocrystallinepowderwasdensifiedwithoutobviousparticlesizegrowth.TheelectricalconductivityofnanocrystallineLa2Mo2O9wasoneorderofmagnitudelowerthanthatofthemicrocrystallinesampleatthesametemperature.Owingtothephasetransition,themicrocrystallineLa2Mo2O9hasanabruptincreaseofthermalexpansionwithapeakvalueof48×10-6K-1at556℃.Forthenanocrystallinematerial,thepeakvalueincreasesto112×10-6K-1at520℃.Ontheotherhand,above600℃thesignificantgrowthofparticlesizeofthenanocrystallineLa2Mo2O9wasobserved,accompanyingbyatremendousincreaseofthermalexpansionwithapeakvalueofthirdhigherthanthatofLa2Mo2O9.

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简介：Basedonthethermodynamicallyself-consistentanalysisandoptimizationofthreesub-binarysystemsoftheternarysystemPrCl3-CaCl2-MgCl2,thethermodynamicsofthisternarysystemhasbeenstudied.UsingHillertmodelandtakingMgCl2asanasymmetriccomponent,thePrCl3-CaCl2-MgCl2phasediagramhasbeencalculated.Theagreementbetweencalculatedandmeasuredcompositionsandtemperaturesatdeflectingpointsonliquidusisgood.Thesystemisasimpleeutecticonewithaeutecticpointat26.0mol%PrCl3,41.5mol%CaCl2,32.5mol%MgCl2;560℃（calculated）and26.0mol%PrCl3,39.4mol%CaCl2,34.6mol%MgCl2;546℃（measured）,respectively.

简介：2判别式法的应用透析在上面的内容中,我们已经看到了判别式法在例2、例3中的"巧思妙解".下面,我们换一个角度,再以2004年的一道竞赛题的判别式处理来揭示:巧思妙解不是特殊技巧的神秘操作,其背后是对数学知识的深层认识,是题目结构特征的充分挖掘.

简介：TheZrO2-Al2O3ceramiccompositeswerepreparedbyappropriatetechniqueswithcommercialZrO2andAl2O3powdersasrawmaterialsandY2O3asstabilizer.TheresultsindicatethatwiththeintroductionofAl2O3intotheZrO2matrixwherethequantityofadditiveY2O3is3.5%(molefraction),thegrowthofZrO2grainsisefficientlyinhibited,whichhelpstheZrO2grainsexistinametastabletetragonalmanner;thushigherstrengthandtoughnessareacquired.Whenthecontentofaluminais20%(massfraction),thebendingstrengthandfracturetoughnessofthecompositesare676.7MPaand10MPa·m1/2respectively,themechanicalbehaviorsareclosetothosepreparedwithZrO2andAl2O3powderssynthesizedthroughwetchemicalapproach.Themechanicalbehaviorsofthecompositesarewellimprovedowingtothedispersiontougheningofaluminagrainsandphasetransformationtougheningofzirconiagrains.

简介：高一物理教材中根据匀变速运动的速度公式和位移公式推出了一个很有用的公式:vt2-v02=2as.这个公式直接表明了初速度、末速度、加速度和位移的关系,在许多问题中用起来很方便.下面略举几例加以说明.