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   余辉性能 的翻译结果: 查询用时:0.485秒
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余辉性能     
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  luminescent performance
     The auxiliary activators(Gd_2O_3, Sm_2O_3, Dy_2O_3 and Bi~(3+)) which can affect the luminescent performance were also investegated.
     并且掺入第二种稀土离子(Gd_2O_3、Sm_2O_3、Dy_2O_3)和Bi~(3+),讨论了其对磷光体余辉性能的影响变化规律。
短句来源
     The auxiliary rare earth activators (Gd2O3,Eu2O3,Tb4O7 and Dy2O3) were adulterated to improve the luminescent performance of red phosphors.
     并且掺入第二种稀土激活剂(Gd_2O_3、Eu_2O_3、Tb_4O_7和Dy_2O_3)期望其能够改善余辉性能
短句来源
     Preparation and Properties Study of Red Phosphor CaTiO_3: Pr~(3+) and Improvement of Luminescent Performance
     红色长余辉发光材料CaTiO_3: Pr~(3+)的制备和余辉性能改进及其特性研究
短句来源
     When the mass ratio of carbamide/nitrade is 1.5 and the concentration of Eu~(3+) doped as activator is 5%mol, the Y_2O_3:Eu~(3+) phospors have the better luminescent performance.
     当尿素/硝酸盐=1.5(重量比)、激活剂Eu~(3+)离子掺量为5%时磷光体余辉性能较好;
短句来源
     The results showed that the luminescent performance of the sample synthesized with sol-gel methods was better than the one synthesized by solid state reaction,the persistence time last above 12 hours.
     测试结果表明,用溶胶凝胶法制备的样品较高温固相法余辉性能有较大提高,余辉时间达到12h以上。
短句来源
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  afterglow properties
     Influence of boracic acid on traps distribution and afterglow properties of SrAl_2O_4:Eu~(2+),Dy~(3+) phosphor materials
     B_2O_3对SrAl_2O_4:Eu~(2+),Dy~(3+)材料热释光谱和长余辉性能的影响
短句来源
     The effect of different rare earth contents on the afterglow properties was investigated and the optimum content of Eu~(2+) and Nd~(3+) are x=0.001 25 and y=0.002 5 respectively.
     通过对Eu2+,Nd3+掺杂量与样品发光性能之间关系的研究发现,Eu2+和Nd3+最佳掺杂量分别为x=0.001 25和y=0.002 5,并且Nd3+对改善蓝色长余辉材料CaA l4∶Eu2+的余辉性能具有重要的作用.
短句来源
     In order to improve the afterglow properties testing standardization of the long afterglow materials,the afterglow properties of the long afterglow SrAl_2O_4: Eu~(2+),Dy~(3+) were measured by using ST-86LA brightness meter.
     为了规范长余辉材料余辉性能测试的标准化,采用屏幕亮度计测试了S rA l2O 4:Eu2+,D y3+长余辉材料的余辉性能;
短句来源
     From analyzing the thermoluminescence curves, when the mole ratios of H3BO3 in SrAl2O4 is 17%, the most powerful trap is 0.59eV corresponding to peak at 329K, which improves the afterglow properties of phosphor.
     从测得的相应的热释光曲线分析:硼酸掺入量为17mol%的样品具有最大的陷阱能级0.59eV,对应于329K的热释光峰,这一陷阱分布使材料的余辉性能得到了很大的提高。
短句来源
     Influence Factors of the Afterglow Properties Testing of Long Afterglow Materials
     长余辉材料余辉性能测试的影响因素
短句来源
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  afterglow performance
     Additionally, the long afterglow performance of the SrAl 2O 4: Eu 2+ luminous materials is discussed.
     探讨了SrAl2 O4∶Eu2 发光材料的长余辉性能
短句来源
     Moreover, the influences of the valence change tendency of rare earth elements for the afterglow performance were summarized.
     总结了激活离子变价倾向对余辉性能的影响。
短句来源
     The afterglow performance is improved by the alkali ions and alkaline earth ions in some way, which ascribes the proper energy level of electron traps and elecron holes produced by positive ions whose valency is unqual replacing and the long afterglow phenomenon induced by the interactivity of two kinds of trap energy level.
     碱金属离子和碱土金属离子对磷光体的余辉性能有一定程度的改善,可归因于不等价取代基质阳离子,造成了适当的电子陷阱能级和空穴能级,两种陷阱的共同作用导致了长余辉现象。
短句来源
     In the end, the effect of variant doped ions on the afterglow performance of phosphor Y2O3:Eu3+ was studied.
     研究了不同的掺杂离子对磷光体余辉性能的影响,Dy~(3+)离子的加入使得磷光体的发光性能显著变坏;
短句来源
  afterglow property
     Long Afterglow Property and Mechanism on Gd_2O_2S:Ti
     Gd_2O_2S:Ti的长余辉性能研究及机理探讨
短句来源
     Afterglow property of long afterglow phosphor Sr_2MgSi_2O_7∶Eu~(2+),Dy~(3+) and the influence of Dy~(3+) on its afterglow time
     Sr_2MgSi_2O_7∶Eu~(2+),Dy~(3+)的余辉性能及Dy~(3+)对余辉时间的影响
短句来源
     The effect of the different Eu concentration on the spectra and afterglow property of the phosphor was investigated. The emission spectra was found to be made up of a series sharp emission lines which is the 5DJ(J=0,l) to 7FJ( J=0,1,2,3,4)transition of Eu~3+.
     合成了一系列的Y_2O_2S:0.06Ti,xEu(0.01=x<0.2)红色长余辉磷光体,研究了不同Eu离子浓度对该磷光体的光谱和余辉性能影响规律。
短句来源
     Co_doped Dy 3+ produced suitable depth energy traps, which improved afterglow property dramatically.
     共掺杂的Dy3+ 离子能形成合适深度的能级陷阱 ,从而明显提高余辉性能 .
短句来源

 

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  luminescent performance
The photoluminescence (PL) studies reveal prominent band-gap UV emission properties of GaN products and narrow FWHM, indicating the excellent luminescent performance and high crystal quality.
      
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Proper additives have been chosen by studying SrAl2 O4 :Eu2+phosphor, and the phosphor's light intensity and luminous decay time have been fully improved. Its luminous decay curve follows I=ct-n( n =0.634). A blue-green emitting BaAl2 O4 :Eu2+phosphor has been produced, and its luminescence property has also been given. A new method of producing phosphors has been developed by protecting raw materials mixture with a graphite crucible, and the luminous property of the phosphor produced by this...

Proper additives have been chosen by studying SrAl2 O4 :Eu2+phosphor, and the phosphor's light intensity and luminous decay time have been fully improved. Its luminous decay curve follows I=ct-n( n =0.634). A blue-green emitting BaAl2 O4 :Eu2+phosphor has been produced, and its luminescence property has also been given. A new method of producing phosphors has been developed by protecting raw materials mixture with a graphite crucible, and the luminous property of the phosphor produced by this method approaches to that produced by hydrogen reduction. 

在研究SrAl2O4:Eu2+夜光粉的基础上,选出了适合的添加剂,有效地提高了该夜光粉的发光亮度,延长了余辉时间,并得到了发光衰减符合I=ct-n(n=0.634)的余辉衰减曲线.报道了BaAl2O4:Eu2+蓝绿色夜光粉的制备及其余辉性能指标.在石墨坩埚的保护下合成了铝酸盐夜光粉,其性能与氢气还原得到的夜光粉接近.

The Sr4Al 14 O 25 ∶Eu 2+ , Nd 3+ and Sr 4Al 14 O 25 ∶Eu 2+ , Nd 3+ , Dy 3 systems were synthesized, the differences in the emission spectra and the excitation spectra of Sr 4Al 14 O 25 ∶Eu 2+ , Dy 3+ at different excitation conditions were discussed. This paper also deals with the effects of Eu 2+ , Dy 3+ and Nd 3+ ratio on long phosphorescence materials.

制备了SrAl2 O4 ∶Eu2 + ,Nd3+ 和SrAl2 O4 ∶Eu2 + ,Dy3+ ,Nd3+ 长余辉材料 ,研究了所合成的材料在不同波段紫外光激发条件下的发光光谱和激发光谱的差异和Eu2 + ,Dy3+ ,Nd3+ 的摩尔掺杂浓度对材料的余辉性能的影响等。

Long afterglow photoluminescent materials Sr 2MgSi 2O 7∶Eu, Dy were prepared by sintering in reductive atmosphere at high temperature. The luminescent properties and phosphorescent mechanism of Sr 2MgSi 2O 7_based luminescent phosphor were studied. The analytical results indicated that the emission spectra of Sr 2MgSi 2O 7: Eu, Dy lied in near 469 nm, resulted from the transition of 4 f5d-4f of Eu 2+ ions. Co_doped Dy 3+ produced suitable depth energy traps, which improved afterglow property...

Long afterglow photoluminescent materials Sr 2MgSi 2O 7∶Eu, Dy were prepared by sintering in reductive atmosphere at high temperature. The luminescent properties and phosphorescent mechanism of Sr 2MgSi 2O 7_based luminescent phosphor were studied. The analytical results indicated that the emission spectra of Sr 2MgSi 2O 7: Eu, Dy lied in near 469 nm, resulted from the transition of 4 f5d-4f of Eu 2+ ions. Co_doped Dy 3+ produced suitable depth energy traps, which improved afterglow property dramatically. Its initial luminescent intensity reached 2 200 mcd/m 2 and the duration time lasted over 5 h.

采用高温还原法合成了Sr2 MgSi2 O7∶Eu ,Dy长余辉发光材料 ,并对其性能和余辉机制进行了研究 .实验分析表明 :这种磷光体的主发射峰位于 469nm附近 ,是由于Eu2 + 的 4f5d -4 f跃迁导致的 ;共掺杂的Dy3+ 离子能形成合适深度的能级陷阱 ,从而明显提高余辉性能 .其初始亮度可达 2 2 0 0mcd/m2 ,余辉时间可达 5h以上

 
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