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j aggregation
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  “j aggregation”译为未确定词的双语例句
     J Aggregation of Porphyrin Diacid H 2+ 4TSPP Studied by Resonance Raman Spectroscopy
     共振拉曼光谱研究卟啉二酸H_4~(2+)TSPP的J-聚焦
短句来源
     The J aggregation of tetrakis(p sulfonatophenyl) porphyrin diacid(H 2+ 4TSPP) was studied by resonance Raman and UV Vis absorption spectra.
     用共振拉曼光谱和UVVis吸收光谱考察了离子强度对四一(对一磺酸基)苯基卟啉二酸(H2+4TSPP)J聚集体形成的影响。
短句来源
     The porous silicon surface is very sensitive because of its large surface areas. When porous silicon is employed as absorbing medium,various dye molecules,such as 2.2′ cyanide monomer molecule,2.2′ cyanine J aggregation are absorbed on the porous silicon surface,we first observe fluorescence enhancement effect of absorbed molecules and energy transfer process. The origins of these results are discussed.
     由于多孔硅具有大表面积,所以常呈现出非常灵敏的表面特性.作者以多孔硅为载体,吸附各种染料分子,如2,2′菁染料分子及其聚集体,首次观察到吸附分子的荧光增强效应和能量转移过程,文中对其机理进行了讨论.
短句来源
     It was demonstrated that slight amount of NaClO 4 can promote the J aggregation of H 2+ 4TSPP,but high ionic strength prevents the J aggregation.
     实验表明加入少量的NaClO4有助于聚集体的形成,而NaClO4的浓度过高则倾向于形成单体。
短句来源
  相似匹配句对
     The aggregation of C.
     通过观察不同条件下C.
     On the aggregation distortion
     聚类失真问题
短句来源
     J-Aggregation of Cyanine Dyes
     菁染料的J-聚集体
短句来源
     ③Object aggregation.
     ③对象聚合。
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  j aggregation
J aggregation dependence on dye concentration in the sol and spin speed during spincasting were investigated.
      
Acidic gelatins much stronger favor J aggregation of the dye than alkaline and, especially, modified gelatins.
      
J Aggregation of Thiacarbocyanine in Aqueous Gelatin Solutions
      
The J aggregation also depends on the type of collagen used.
      
It was shown that collagens stimulated J aggregation of anionic carbocyanine dyes with sulfonate groups, which themselves can form J aggregates in aqueous solutions.
      
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Results were reported for the study of J-aggregation of 3, 3'-di-(r-sulfopropyl)-9-ethyl-4, 5,4',5'-dibenzothia-carbocyanine triethylamine salt (I) on adding KBr to its solutions in DMF-H2O mixed solvents, where only dimer monomer equilibrium of the dye existed. Heat effects of the mentioned mainly J-aggregate forming processes were measured directly and the J-aggregation enthalpy, AHs, expressed as the mean aggregation enthalpy per monomer unit (i.e. the-average enthalpy...

Results were reported for the study of J-aggregation of 3, 3'-di-(r-sulfopropyl)-9-ethyl-4, 5,4',5'-dibenzothia-carbocyanine triethylamine salt (I) on adding KBr to its solutions in DMF-H2O mixed solvents, where only dimer monomer equilibrium of the dye existed. Heat effects of the mentioned mainly J-aggregate forming processes were measured directly and the J-aggregation enthalpy, AHs, expressed as the mean aggregation enthalpy per monomer unit (i.e. the-average enthalpy change if one monomer is associated to a growing J-aggregate) was obtained. J-aggregation number was estimated to be 6.

由吸收光谱研究了3,3′-二(丁-磺酸丙基)-9-乙基-4,5,4′,5′-二苯并噻碳菁三乙胺盐(Ⅰ)在DMF-水溶液中生成J-聚集体的效应;直接测量了25℃形成J-聚集体过程的热效应,得到了J-聚集体的聚集热△Hs=—(43±1)×10~3J(表示1摩尔单分子染料连接到J-聚集体上的平均焓变化)。根据Daltrozzo等人将J-聚集体生成当作“结晶”过程的观点,求得该体系中染料I J-聚集体至少包含的染料单分子数n为6。

The absorption spectra of the dye 1,1'-diethy1-2,2'-cyanine iodide(DCI) in the mixture solvent EGW at various temperature and dye concentrations are presented.The ion-reinforcing effect of KI on the J-aggregation of DCI is de- scribed.The relaxation of the J-aggregated excited state in the J-band is measured to have a decay time shorter than 20ps.A theoretical model for the molecular aggregation of sub-macroscopic order collective vibration mode is proposed to explain the J-band...

The absorption spectra of the dye 1,1'-diethy1-2,2'-cyanine iodide(DCI) in the mixture solvent EGW at various temperature and dye concentrations are presented.The ion-reinforcing effect of KI on the J-aggregation of DCI is de- scribed.The relaxation of the J-aggregated excited state in the J-band is measured to have a decay time shorter than 20ps.A theoretical model for the molecular aggregation of sub-macroscopic order collective vibration mode is proposed to explain the J-band charateristics such as its peak position,unusual narrow bandwidth,ultrafast decay resonant fluorescence and its insensitivity to the external condition.The critical behavior and the molecule selectivity of the J-band occurrence are also explained.

观测到了光敏染料1,1’-乙二基—2,2’-甲川喹啉碘化物的吸收光谱随温度和浓度的变化关系,及其J-聚集态的离子增强效应,给出奇异J-谱带出现的温度的临界参数。最后利用超快速光谱学技术研究了J-聚集态的共振荧光动力学,确定其衰减时间小于20ps,并建立了一个亚宏观有序集体振动模相变的理论模型,解释了J-谱带波长位置,谱带的窄带性,以及共振荧光快速弛豫对聚集分子和外界条件不敏感的特性,同时还解释了J-谱带出现的临界行为及其对分子的选择。

In DMF-H_2O(35%DMF,V/V) solution,the interaction between an anionic cyanine dye, 3,3'-di-(γ-sulfoProPyl)-9-ethyl-4, 5,4', 5'-dinaphthothis-carbocyanine triethylamine salt (Ⅰ) and its counterions, which induced J-aggregate formation, was studied by calorimetric and counterion activity measurement method. From calorimetric diagram,it was found,when CdCl_2 and LaCl_3 were added,J-aggregation enthalpy, △H_s, were -42.6, -42.0kJ·mol~(-1) and the ratios of bounded counterions to the dye (Ⅰ) J-aggregate...

In DMF-H_2O(35%DMF,V/V) solution,the interaction between an anionic cyanine dye, 3,3'-di-(γ-sulfoProPyl)-9-ethyl-4, 5,4', 5'-dinaphthothis-carbocyanine triethylamine salt (Ⅰ) and its counterions, which induced J-aggregate formation, was studied by calorimetric and counterion activity measurement method. From calorimetric diagram,it was found,when CdCl_2 and LaCl_3 were added,J-aggregation enthalpy, △H_s, were -42.6, -42.0kJ·mol~(-1) and the ratios of bounded counterions to the dye (Ⅰ) J-aggregate were 0.48:1, 0.31:1, respectively. It was also obtained from counterion activety measurement that the ratio of bounded Cd~(2+) to dye (Ⅰ) J-aggregase was 0.47:1. Such results indicated that dye (Ⅰ) and counterions had formed a salt-like totality in the J-aggregate.

用量热和反离子活度测量法研究了阴离子菁(Ⅰ)在DMF-水(35%DMF,V/V)中生成J-聚集体时,染料与外加盐反离子之间的相互作用。当外加盐为CdCl_2或LaCl_3时,由量热曲线获得J-聚集焓△H_9,分别为-42.6,-42.0kJ·mol~(-1),染料(Ⅰ)束缚的Cd~(2+),La~(3+)量与染料量之比分别为0.48:1和0.31:1。由反离子活度的电化学活度测量获得束缚的Cd~(2+)离子量与染料量之比为0.47:1,这些结果表明J-聚集体中,染料与其反离子形成了盐型的总体。

 
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