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学生创新素质的培养是新时期高校改革的一个重要课题。要承担起这一历史重任，就要通过宽严相济、宽厚并重、授导并举等途径，改善学生创新素质培养的环境，夯实学生创新素质培养的基础，改进学生创新素质培养的方式。要采取情景-趣味式、悬念-刺激式、参与-发现式、讨论-启发式等教学方法，培养学生的创新兴趣、好奇心、观察力和想象力，培养学生的创新精神、创新人格和创新能力。 相似文献
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A kind of pyrazoline derivative 1,3-bis(phenyl)-5-(2-phenanthrene)-2-pyrazoline(TPp) was synthesized in order to obtain stable
film and applied to organic electroluminecsent diode as hole transporting material. Two devices with structures as indium-tin-oxide(ITO)
TPP (50 nm)/tris-(8-hydroxyquinoline) aluminum(Alq3) (50 nm)/Al (150 nm) and ITO /TPP (50 nm)/lithium
tera-(8-hydroxy-uinolinato)boron(LiBq4 (50 nm)/Alq3 (5 nm)/Al (150 nm) were fabricated, they showed good electroluminescent(EL)
performance and TPP was proved to be a good hole transporting material. 相似文献
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本文总结了安徽生活广播对频率重新定位、节目重大改版的创新实践和成功经验,探索广播媒体打造核心竞争力的新途径。安徽生活广播把民生新闻作为核心竞争力去打造,以期符合党中央对民生的关切以及贴切转型中的安徽省情,更好地满足听众的诉求,反映百姓心声。 相似文献
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本文总结了安徽生活广播对频率重新定位、节目重大改版的创新实践和成功经验,探索广播媒体打造核心竞争力的新途径。安徽生活广播把民生新闻作为核心竞争力去打造,以期符合党中央对民生的关切以及贴切转型中的安徽省情,更好地满足听众的诉求,反映百姓心声。 相似文献
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安康民歌丰富多彩,源远流长,具有独特的地方风格与多元化的特点,在思想性和艺术性方面都具有较高水准。但由于经济的落后,安康民歌的发展受到了严重的制约,传承和发展安康民歌是当务之急。安康民歌的传承必须从教育抓起,发展必须从创作抓起,以使古老的安康民歌能够焕发出更旺盛的艺术生命力,更好地为地方经济建设和人民文化生活作出贡献。 相似文献
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In order to compare two kinds of blue electroluminescent materials,we have investigated two kinds of blue OLEDs with the similar structure ITO/CuPc/NPB/JBEM:perylene/Alq/Mg:Ag[device(J)] and ITO/CuPc/NPB/DPVBi:perylene/Alq/Mg:Ag[device(D)].The difference of luminance and efficiency was not obvious for the two devices,However,there was remarkable difference for their lifetime.The device(J) achieved longer half lifetime of 1035h at initial luminance of 100 cd/m^2,and that of device(D) was only255h,According to their energy level diagrams,the differentce of their stability may originate from different host materials in the two devices.It may be attributed to the better thermal stability of JBEM molecues than that of DPVBi.It is shown that JBEM may be a promising blue organic electroluminescent material with great stability. 相似文献
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A new blue electroluminescent material,distyrylarylene(DSA)derivative,4,4‘-bis[2,2-(1-naphthyl,phenyl)vinyl]-1,1-biphenyl(NPVBi)is designed and synthesized.The DSA derivative shows better thermal stability because of its high glass transition temperature.A blue organic light emitting diode(OLED0with the structure ITO/TPD/NPVBi/Alq/LiF/Al is studied.The electroluminescent(EL0spectrum of the OLED exhibits that light emission originates from NPVBi with a peak at 460nm,its Commission Internationale de l‘Eclairage(CIE)color coordinates are x=0.16,y=0.15,and showing independence of CIE color coordinates on current density.The new DSA derivative is expectable as a new candidate for blue light emitter in OLEDs. 相似文献
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预备拍在合唱指挥中起到对歌曲的速度、情感、呼吸以及强弱等的提示作用。歌曲整齐、统一的演唱也与预备拍的提示有密切关系。本文从预备拍的击拍位置与乐曲的速度意义、表情意义、呼吸意义三方面,论述了预备拍在合唱指挥中的重要作用。 相似文献
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