简介：摘要结合学校教学、生活中常见的现象，来激发学生学习地理的兴趣。运用所学的地理知识解释生活中的一些现象。结合一些地区的经济发展策略来了解生活中的地理。重视“新闻联播”，掌握“生活中的地理”

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简介：“感动中国”对于每个普通的观众来说，可能意味着无法被擦干的泪水，或者是心灵的一次净化。泪水里，人们有一种怎样的期待？当越来越多的普通人感动着中国的时候，意味着我们的富有还是贫穷？这感动，与我们寻找中的信仰有关系吗？我们．还会感动多久？感动，有用吗？

简介：多读些国学是有用的，这是近代大思想家梁启超当年告诫其子梁思成的话，至今读来甚觉言之有理。于今来说。强调多读些国学，依然大有必要。

简介：鸵鸟的胸骨扁平，不具龙骨突起，锁骨退化，蓬松的羽毛也不发达，羽枝无小钩而不成羽片。因此，他的翅膀无法飞行。当然，即便是他还有一点飞行本领，那150多公斤重的身体，得多么强壮有力的翅膀才能支撑他飞行啊？但是，翅膀退化了，腿和脚却强壮起来。他奔跑如飞，一步可跨出7米，时速可达70千米。就连草原上的长跑健将羚羊都羡慕他的一双飞毛腿。

简介：问题1如图1所示，足够长的水平传送带以速度％匀速运动，现将一质量为m的小物体无初速度放在传送带的左端，已知小物体和传送带间的动摩擦因数为μ，当小物体和传送带相对静止时，系统产生的内能Q是多少？

简介：<正>从现在起就对宝宝说:哭,是没有用的。等他长大时,人格里一定会带有这些往昔的影子……从小,我们就教豆豆一个道理:哭是没有用的。当豆豆想通过哭来达到一个目的时,我们会跟他说:当你不哭了,再来跟爸爸妈妈说。他会调整一会儿情绪,然后带着些许哭腔说:豆豆不哭了。平时,我和老公总是跟豆豆好好说话。很多时候,都会答应他的要求,让他明

简介：房地产大佬放言：经济走到今天这一步，跟房地产的减速关系非常大，房地产一旦下滑了，整个家居行业、服务业等，可能会有五六十个行业都受到影响，所以房地产应该在经济危难之际担负起更大的责任。

简介：9月22～23日，2012亚洲教育论坛年会在成都召开。在分论坛上，来自一些职业院校的校长和业内学者围绕“职业教育培训如何更加有用”的话题进行了探讨。

简介：本文首先对新会计准则下企业收购合并会计报表编制的变化和影响进行了详细的说明,通过案例论述了当前企业收购合并会计报表编制的意义,提出了基于决策有用性的企业收购合并会计报表改进措施,包括改进企业合并会计方法、明确合并范围的计算方法,最后提出了相关配套措施。

简介：亲爱的“花粉”——《小雪花》的忠实粉丝们，你们好！今年是《小雪花》的20岁生日，

简介：十八大报告提出：“大力促进教育公平，合理配置教育资源，重点向农村、边远、贫困、民族地区倾斜，支持特殊教育，提高家庭经济困难学生资助水平，积极推动农民工子女平等接受教育，让每个孩子都能成为有用之才。”

简介：AIM:Toexploretheeffectofsaturatedhydrogensalineonbluelight-inducedretinaldamageinrats.·METHODS:Theretinaldamageofratswasinducedbybluelightexposurefor6hoursandexamined8hours,16hoursand24hoursaftertheexposure.OnehundredfemaleSprague-Dawleyratswererandomlydividedintofourgroups.Group1included30ratsreceivedlightexposurewithoutanyothertreatment.Group2included30ratsreceivedlightexposurewithintraperitonealinjectionofnormalsaline.Group3included30ratsreceivedlightexposurewithintraperitonealinjectionofsaturatedhydrogensaline.AndGroup4includedtheother10ratswhichdidnotreceiveanytreatment.Theamountofintraperitonealinjectionofsaturatedhydrogensalineandnormalsalinewascalculatedintheratioof1ml/100gofratweight.SpecimenswerecollectedandprocessedbyH-Estaining,ultrastructureobservation,biochemicalmeasurement.Morphologicalchangeswereobservedbylightmicroscopeandtransmissionelectronmicroscope(TEM)andtheretinalouternuclearlayer(ONL)thicknesswasmeasuredbyIPP6.0,whilethemalondialdehyde(MDA)wasmeasuredbycolorimetricdeterminationat532nm.·RESULTS:AlthoughthestructureofretinainGroup1andGroup2wasinjuredheavily,theinjuryinGroup3wasmild.ThedifferencesbetweenGroup1andGroup2werenotsignificant.ComparedwiththeratsinGroup1andGroup2,theonesinGroup3hadmoreclearlydemarcatedretinastructureandmoreorderedcellsbylightmicroscopeandTEMobservation.TheONLthicknesses(400times)offourgroupsateachtimepointexceptbetweenGroup1andGroup2weresignificantlydifferent(P<0.05).ThethicknessesoftheONLinGroup1atthreetimepointswere30.41±4.04μm,26.11±2.82μmand20.63±1.06μm,inGroup2were31.62±4.54μm,25.08±3.63μmand19.07±3.86μm,inGroup3were29.75±3.62μm,28.83±1.97μmand27.61±1.83μm.InGroup4themeanofthethicknesswas37.35±1.37μm.Astimewentby,thedamageg

简介：AIM:Anaerobicbacteriacancauseocularinfections.WetestedtheOxyPlateTMAnaerobicSystem(OXY)toisolatepertinentanaerobicbacteriathatcancauseoculardisease.METHODS:OXY,whichdoesnotrequiredirectanaerobicconditions(i.e.bags,jars),wascomparedtoconventionalisolationofincubatingculturemediainanaerobicbags.Standardcoloniescountswereperformedonanaerobicocularbacterialisolatesunderaerobicandanaerobicconditions(anaerobicbags)usingagarmedia:1)OXY(aerobiconly),2)5%sheepblood(SB),3)Chocolate,and4)Schaedler.Thebacteriatestedwerede-identifiedocularisolatesculturedfromendophthalmitisanddacryocystitisthatinclude10Propionibacteriumacnesand3Actinomycesspecies.Thecolonycountsforeachbacteriaisolate,oneachculturingcondition,wererankedfromlargesttosmallest,andnon-parametricallycomparedtodeterminethebestculturingcondition.RESULTS:Allanaerobicconditionswerepositiveforalloftheanaerobicisolates.SBandSchaedler’sagarunderaerobicconditionsdidnotsupportthegrowthofanaerobicbacteria.SparsegrowthwasnotedonchocolateagarwithPropionibacteriumacnes.Asananaerobicsystem,SBinananaerobicbagisolatedhighercolonycountsthanOXY(P=0.0028)andchocolateagar(P=0.0028).CONCLUSION:AlthoughOXYdidnottesttobemoreefficientthanotheranaerobicsystems,itappearstobeareasonablealternativeforisolatinganaerobicbacteriafromocularsites.Theuseofanagarmediuminaspeciallydesignedplate,withouttherequirementofananaerobicbag,renderedOXYasanadvantageoverotheranaerobicsystems.

简介：小编发言：一到春节，趣事就源源不断地“飞”来!小时候最喜欢过年，因为可以穿漂壳的新衣服、贴春联、看联欢晚会、放鞭炮，吃饺子……哎呀，数都数不过来了，反正，春节真热闹呀!至于发生的校事，同样数都数不过来。比如第一次笨手笨脚地包饺子，包成了“灌汤包”，比如放鞭炮时把围巾烧了个拳头大的洞（从那以后，胆小的我就再没放过鞭炮）。可是，看到雪片儿般飞来的稿件，我才发现，大家的故事都这样有趣呀!这些故事不仅有同学们的，还有爸爸妈妈，老师和小编们的呢!

简介：AIM:TopresenttheresultsofimplantationofIakymenkokeratoprosthesisinfivepatientswithvascularizedcornealleukomacausedbysevereocularinjury.·METHODS:Iakymenkokeratoprosthesiswasimplantedinto5eyesof5patients:4patientsweresufferedfromchemicalburnsand1patientfromexplosiveinjury.Thepreoperativevisualacuityrangedfromlightperceptiontohandmotion.Theimplantationsurgerywascomposedoftwo-stageprocedures.Thefollow-upperiodwasfrom9monthsto11years.Theoutcomemeasureswerevisualacuity,retention,andcomplicationsofthekeratoprosthesis.·RESULTS:Visionimprovementswereachievedinmostpatients.Allkeratoprosthesiswereretainedwithinthefollow-upperiod.Cornealmeltingoccurredinonepatientandfibrousclosureinanotherpatient,bothofwhichweresuccessfullytreated.Retinaldetachmentoccurredinonepatientaftersurgery.·CONCLUSION:Iakymenkokeratoprosthesisseemstobeapromisingalternativeforthepatientswithseverecornealinjury,butfurtherinvestigationisneededtoevaluatetheroleofIakymenkokeratoprosthesis.

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简介：AIM:Toevaluatechangesintheanteriorchamberdepth(ACD),crystallinelensthickness(LT)anditsrefractivepowerafterlaserinsitukeratomileusis(LASIK).·METHODS:Inallcases,thepreoperativeandpostoperativecentralACDwhichweremeasuredwithPentacam,Orbscan,IOL-MasterandA-scanultrasonography,centralcornealtruenetpowerwhichwasmeasuredwiththePentacam,OrbscanandIOL-Master,axiallength(AL)whichwasmeasuredwithIOL-MasterandLTwhichwasmeasuredwiththeA-scanultrasonographywerecomparedusingthepairedsamplettest.OcularrefractiveerrorsandlensrefractivepoweratcornealplanewerecalculatedandtheircorrelationswerealsoevaluatedbeforeandafterLASIK.RESULTS:At1weekafterLASIK,LTandcrystallinelensrefractivepoweratcornealplane(Dlens)whichwereassociatedwiththeIOL-MasterandPentacamincreasedsignificantly(P≤0.005),ACDdecreasedsignificantly(P≤0.001),butnosignificantincreasewasobservedintheDlenswhichwasassociatedwiththeOrbscan(P=0.261).SignificantcorrelationsbetweenthechangesintheocularrefractiveerrorsandDlenswhichwereassociatedwiththePentacamwereobservedat1weekand6monthsafterLASIK(P=0.028;P=0.001).CONCLUSION:LTincreasedsignificantlyafterLASIK,andthismightpartiallyleadtoACDdecrease,Dlensincreaseandasmallquantityofmyopicregression.

简介：AIM:Toinvestigatetheefficacyofnon-buckledvitrectomywithclassicalendotamponadeagentsinthetreatmentofprimaryretinaldetachment(RD)complicatedbyinferiorbreaksandproliferativevitreoretinophathy(PVR).METHODS:Aretrospective,consecutiveandcaseseriesstudyof40patientswithinferiorbreakRDandPVR≥C1wasconducted.Allpatientsunderwentastandard3-port20-gaugeparsplanavitrectomy(PPV)withgasorsiliconeoiltamponadewithoutsupplementaryscleralbuckling.Thevitreousandallproliferativemembranewerecompletelyremoved,andretinectomywasperformedwhennecessary.Themeanfollow-upwas12.5months.Theprimaryandfinalanatomicsuccessrate,visualacuityandcomplicationswererecordedandanalyzed.RESULTS:Primaryanatomicsuccessratewasachievedin35of40eyes(87.5%)andthefinalanatomicsuccessratewas100%.ThemostcommoncauseofredetachmentwasrecurrentPVR.Thebest-correctedvisualacuity(BCVA)atfinalfollow-upwasimprovedin34eyes(85%),remainedstablein1eye(2.5%),andworsenedin5eyes(12.5%).Themeanvisualacuityatfinalfollow-upwasimprovedsignificantly(P=0.000).CONCLUSION:ThisretrospectivestudyprovidesevidencethatvitrectomywithoutscleralbucklingseemedtobeaneffectivetreatmentforinferiorbreakRDwithPVR.Withcompleteremovalofvitreousandproliferativemembranesandtimingofretinectomy,theinferiorbreakswhichcomplicatedwithPVRcouldbeclosedsuccessfullywithoutadditionalscleralbuckling.