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color change effect
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  相似匹配句对
     Greenhous Effect and Environment Change
     温室效应与环境变化
短句来源
     On the Psychological Effect Characteristics of Color
     色彩心理效应特征浅析
短句来源
     Greenhouse Effect and Climate Change
     温室效应与气候变化
短句来源
     A slight color change could induce significant variation in effect.
     镜片颜色的细微改变即可对红绿色盲矫正效果产生明显影响。
短句来源
     The Study of the Glaze of Change Color
     变色釉的机理研究
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The electrochemical reduction of Basic Blue was investigated by means of thin-layer spectroelectrochemical technique at SnO_2 film optically transparent electrode. The nearly reversible redox peaks of basic blue were shown on the thin layer cyclic voltammogram.Spectroscopic experiment found the cis-trans-tautomerism and the color change effect of basic blue. In the presence of Oxygen, a new peak appears on the cyclic voltammogram and on the spectrum.It was supposed that the basic blue and the oxygen molecule...

The electrochemical reduction of Basic Blue was investigated by means of thin-layer spectroelectrochemical technique at SnO_2 film optically transparent electrode. The nearly reversible redox peaks of basic blue were shown on the thin layer cyclic voltammogram.Spectroscopic experiment found the cis-trans-tautomerism and the color change effect of basic blue. In the presence of Oxygen, a new peak appears on the cyclic voltammogram and on the spectrum.It was supposed that the basic blue and the oxygen molecule can form a charge transfer complex. The formal potentials and the electron transfer numbers as well as the diffusion coefficient of basic blue were determined by means of thin-layer spectroelectrochemical technique.The possible electrode process was discussed on the basis of these measurements.

用薄层光谱电化学技术研究了阳离子艳蓝的电还原过程。薄层循环伏安图表明阳离子艳蓝有一对接近可逆的氧化还原峰。从光谱发现它有顺反异构体互变现象与变色效应。在氧存在时,循环伏安图和光谱图上均出现新峰,推测阳离子艳蓝分子与氧分子能形成电荷转移络合物.测得阳离子艳蓝电还原的式电极电势、电子转移数以及扩散系数等参数。并讨论了可能的电极过程。

The spectral characteristic of cetyltrimethylammonium bromide (CTAB)-methyl orange (MO) associated particle system has been investigated.The color of methyl orange solution is red,orange and yellow in pH2.56,4.10 and 5.72 Britton-Robinson buffer solution and its absorption peaks is at 510,470 and 460 nm.With the increasing of the concentration of CTAB,the absorption intensity at 510,470 and 460 nm decreases.The reason for this is that MO and CTAB combine into MO—CTAB associated molecule and the associated molecule...

The spectral characteristic of cetyltrimethylammonium bromide (CTAB)-methyl orange (MO) associated particle system has been investigated.The color of methyl orange solution is red,orange and yellow in pH2.56,4.10 and 5.72 Britton-Robinson buffer solution and its absorption peaks is at 510,470 and 460 nm.With the increasing of the concentration of CTAB,the absorption intensity at 510,470 and 460 nm decreases.The reason for this is that MO and CTAB combine into MO—CTAB associated molecule and the associated molecule is accumulated to (CTAB—MO)_n associated particle which can enwrap MO molecules.The color of the particle system of (CTAB—MO)_n is bright yellow and it has a resonance scattering peaks at 470,525 and 540 nm.When [CTAB]≤[MO],this system is yellow and has a new resonance scattering peaks at 525 nm.However,when [CTAB]≥[MO],the wavelength of resonance scattering peaks is increased and the color becomes green-yellow.Owing to the excessive concentration of CTAB,the color of this system is changing from yellow to green-yellow.That is to say,there is red-move color change effect of particle.In addition,525 nm resonance scattering peaks also take places purple-move.The test of dialysis and the effect of concentration of ethanol demonstrate that the formation of (CTAB—MO)_n particle is ultimate reason for hypochromic and resonance scattering effect.Moreover,both the formation of [(CTAB—MO)_n]_(nucleus) [CTAB_m]_(shell) particle and interface reaction result in change color effect of system of particle.

在 p H2 .5 6,4.1 0和 5 .72的 Britton-Robinson介质中 ,甲基橙 ( MO)分别呈红色 ( λmax=5 1 0 nm)、橙色( λmax=470 nm)和黄色 ( λmax=460 nm) .分别加入十六烷基溴化铵 ( CTAB) ,甲基橙在 5 1 0 ,470和 460 nm处吸收峰降低 ,这是由于形成 CTAB-MO缔合物分子并可聚集形成 ( CTAB-MO) n 缔合微粒将吸光分子 MO包裹所致 .( CTAB-MO) n 在 p H2 .5 6,4.1 0和 5 .72的 Britton-Robinson介质中 ,缔合微粒体系分别呈浅红色、橙色和亮黄色 ,在 470和 5 70 ,3 70和 5 3 0 ,3 70和 5 40 nm处各有 2个共振散射峰 .当 [CTAB]≤ [MO]时 ,该缔合微粒体系分别呈浅红色、橙色和亮黄色 ;在 p H2 .5 6的介质中 ,当 [CTAB]≥ 2 [MO]时 ;及在 p H4.1 0和 5 .72 Bri-tton-Robinson介质中 ,[CTAB]≥ 1 .5 [MO]时 ,体系的吸收峰首先紫移到 3 5 6nm...

在 p H2 .5 6,4.1 0和 5 .72的 Britton-Robinson介质中 ,甲基橙 ( MO)分别呈红色 ( λmax=5 1 0 nm)、橙色( λmax=470 nm)和黄色 ( λmax=460 nm) .分别加入十六烷基溴化铵 ( CTAB) ,甲基橙在 5 1 0 ,470和 460 nm处吸收峰降低 ,这是由于形成 CTAB-MO缔合物分子并可聚集形成 ( CTAB-MO) n 缔合微粒将吸光分子 MO包裹所致 .( CTAB-MO) n 在 p H2 .5 6,4.1 0和 5 .72的 Britton-Robinson介质中 ,缔合微粒体系分别呈浅红色、橙色和亮黄色 ,在 470和 5 70 ,3 70和 5 3 0 ,3 70和 5 40 nm处各有 2个共振散射峰 .当 [CTAB]≤ [MO]时 ,该缔合微粒体系分别呈浅红色、橙色和亮黄色 ;在 p H2 .5 6的介质中 ,当 [CTAB]≥ 2 [MO]时 ;及在 p H4.1 0和 5 .72 Bri-tton-Robinson介质中 ,[CTAB]≥ 1 .5 [MO]时 ,体系的吸收峰首先紫移到 3 5 6nm再红移到 42 5 nm且逐渐增强 ,经过一系列颜色变化 ,最终都变黄绿色 .共振散射光谱、扫描电镜、透析和乙醇浓度的影响等实验结果表明 ,( CTAB-MO) n 缔合有机微粒是产生其减色效应和增色效应及共振散射效应的根本原因 .[( CTAB-MO) n]n ucleus[CTABm]shell有机微粒形成和界面反应导致该微粒体系的变色效应

Polarized microscopy, SEM-EDS, XRF, UV-VIS, PL, FTIR, EPR have been used in this study to investigate two chameleon diamonds and a synthetic diamond which show color-change effects. The result showed: the main cause of color change is the formation and annihilation of shallow color centers; there exist nickel and cobalt ions in the samples'lattice; and the impurity ions contribute a lot to the formation of shallow color centers.

对具有变色效应的两颗变色龙金刚石与一颗鲜黄色合成金刚石进行了扫描电镜能谱、X射线荧光光谱、显微红外光谱、紫外可见吸收光谱、光致发光谱、电子顺磁共振谱等测试研究,以探讨引起金刚石变色的原因。结果表明:变色的主要原因是浅色心的产生与湮灭;样品晶格中存在镍、钴离子;杂质离子的存在有利于形成各种浅色心。

 
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