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second ligands
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  第二配体
     The emission intensity of Eu(DBM) 3pp is about twelve times of that of Eu(DBM) 3qp, which results from the distinction of energy level between the second ligands.
     在紫外光激发下两种配合物均表现为Eu3 + 的特征发射 ,由于第二配体能级的不同 ,Eu(DBM) 3 pp的发射强度比Eu(DBM) 3 qp高十几倍
短句来源
     Using these azatriphenylenes as the second ligands, DBM (dibenzoylmethane) and TTA (2-Thenoyltrifluoroacetone) as the first ligands ten new ternary Eu(IH) complexes were synthesized.
     用此类配体作第二配体,二苯甲酰甲烷(DBM)和2-噻吩甲酰三氟丙酮(TTA)作第一配体合成了十个铕(Ⅲ)三元配合物。
短句来源
     Thee effect of structure (including ligands,second ligands and central ions) of the rare earth complexes as OEL materials on the luminescent properties and the relation between the electroluminescent performance and the photoluminescent performance of the materials were discussed.
     讨论了稀土OEL材料的结构(包括配体、第二配体和中心离子 )对其发光特性的影响 ,以及材料的电致发光性能与光致发光性能的关系。
短句来源
     Using these Zinc shiff base complexes as the second ligands, TTA (2-Thenoyltrifluoroacetone) as the first ligands eight new heteronuclear Eu(Ⅲ) complexes were synthesized.
     用此类配体作第二配体,HTTA为第一配体,合成了8个具有荧光性质的双核配合物Eu(TTA)_3Zn(S_n). H_2O(n=1,2,3,4)和Eu(TTA)_2Zn(F_n).
短句来源
     In summary, this research was laid a better foundation to further study of the effects of the second ligands on the electroluminescence properties of europium complexes, and achieved OELD with excellent EL properties.
     本研究为下一步开展第二配体的结构对铕配合物的电致发光性能的影响,获得性能优良的铕配合物电致发光器件打下了良好的基础。
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  “second ligands”译为未确定词的双语例句
     Study on Different Second Ligands Influencing the Fouth Periodic Ⅰ B-Ⅷ Elements-5-Br-PADAP Complex
     次级配体对第四周期ⅠB-Ⅷ族元素与5-Br-PADAP二元体系影响的研究
短句来源
     The Luminescence Character of Eu Complexes with Derivatives of Benzoic Acid and Different Second Ligands
     苯甲酸及其一氯代衍生物与邻菲罗啉或联吡啶的稀土铕三元配合物的荧光性质
短句来源
     The influences of the first and second ligands on absorption and luminescence spectra were found.
     观察到主配体、协同配体对配合物吸收及发射光谱的影响。
短句来源
  相似匹配句对
     Second, the s
     第二章:追寻一个普通读者的阅读过程,寻找对诗集的戏剧性的体验。
短句来源
     Second,
     二是对于?
短句来源
     The influences of the first and second ligands on absorption and luminescence spectra were found.
     观察到主配体、协同配体对配合物吸收及发射光谱的影响。
短句来源
     The second part focuses on the investigation of our P,O-ligands used for Suzuki cross-coupling.
     第二部分是P,O配体参与的Suzukj偶联反应的研究。 我们课题组在前期合成出了一系列P,O配体,经过实验发现,有些配体对溴代芳烃的Suzuki偶联反应有着比较好的效果。
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The electronic structures and chemical bonds of uranyl coorperation compounds are studied by using the group decomposition EHMO program in this paper. The results calculated show that the feature of the electronic structures of uranyl coorperation compounds is similar to UO22+ ion. The uranyl group has a tendency for typically covalent bonding that f-orbitals of uranium dominate. The second ligands are close-packed on the equator surface to suit to ionic bonding. According to these characteristics of both...

The electronic structures and chemical bonds of uranyl coorperation compounds are studied by using the group decomposition EHMO program in this paper. The results calculated show that the feature of the electronic structures of uranyl coorperation compounds is similar to UO22+ ion. The uranyl group has a tendency for typically covalent bonding that f-orbitals of uranium dominate. The second ligands are close-packed on the equator surface to suit to ionic bonding. According to these characteristics of both bondings we shed light on the aspects of structure chemistry and spectral chemistry series of uranyl coorperation compounds.

本文采用群分解EHMO计算程序研究了铀酰配合物的电子结构与化学键。计算结果表明,铀酰配合物具有与UO_2~(2+)离子类似的电子结构特征,铀酰基元是典型的共价成键,而第二配体在赤面上密堆积形成离子键。这种电子结构与化学键特点被用来阐明铀酰配合物的立体化学性质以及光谱化学序列。

The stability constants of the ternary systems of copper(Ⅱ) with 5-substituted phenanthrolines (1,10-phenanthroline, 5-nitro-1,10-phenanthroline, 5-chloro-1.10-phcna nthroline or 5-methyl-1,10-phenanthroline as the first ligand and with α-aminoacids (proline, α-aminoisobutyric acid, isoleucine,valine,glycine or senne) as the second ligand have been determined by potentiometric titration in aqueous solution at 25℃ and I=0.1 mol·dm-3KNO3. The results showed that some linear free energy relationships are found...

The stability constants of the ternary systems of copper(Ⅱ) with 5-substituted phenanthrolines (1,10-phenanthroline, 5-nitro-1,10-phenanthroline, 5-chloro-1.10-phcna nthroline or 5-methyl-1,10-phenanthroline as the first ligand and with α-aminoacids (proline, α-aminoisobutyric acid, isoleucine,valine,glycine or senne) as the second ligand have been determined by potentiometric titration in aqueous solution at 25℃ and I=0.1 mol·dm-3KNO3. The results showed that some linear free energy relationships are found to exist between the stability of the ternary complexes and the base strengths of the first ligands and the second ligands as well. The tendency of stability of the ternary complexes may be accounted for by the formation of d-p back bonding between copper(Ⅱ) and 5-substituted-1, 10-phenanthroline.

在25.0±0.1C和0.1mol·dm~(-3)KNO_3存在下,用pH法测定了邻菲罗啉、5-硝基邻菲罗啉、5-氯邻菲罗啉、5-甲基邻菲罗啉为第一配体;脯氨酸、α-氨基异丁酸、异亮氨酸、缬氨酸、甘氨酸、丝氨酸为第二配体与铜(Ⅱ)形成三元配合物的稳定常数,结果表明三元配合物的稳定性与第一配体和第二配体的酸碱强度之间均存在直线自由能关系,应用反馈π键存在的程度讨论了配合物稳定性的变化趋势。

The kinetics of eomplexation reaction of copper(Ⅱ)—2,9-dimethylphenanthroline[(CH_3)_2 phen] with α-aminoacids (Aa) and N-phenylethylenediamine (N-Ph-En) toform ternary systems has been studied by means of T-jump and stopped flow method at25℃ and I=0.1 mol·dm~(-3) (KNO_3) in aqueous solution.The results indicate theexistence of Br(?)nsted type linear free energy relationships between reaction rateconstants of Cu(Ⅱ)-(CH_3)_2 Phen-Aa ternary complex compounds and acid dissociationconstants of the second ligands,α-aminoacids,as...

The kinetics of eomplexation reaction of copper(Ⅱ)—2,9-dimethylphenanthroline[(CH_3)_2 phen] with α-aminoacids (Aa) and N-phenylethylenediamine (N-Ph-En) toform ternary systems has been studied by means of T-jump and stopped flow method at25℃ and I=0.1 mol·dm~(-3) (KNO_3) in aqueous solution.The results indicate theexistence of Br(?)nsted type linear free energy relationships between reaction rateconstants of Cu(Ⅱ)-(CH_3)_2 Phen-Aa ternary complex compounds and acid dissociationconstants of the second ligands,α-aminoacids,as followslogk_1=2.84+0.53pK_2,r=0.98The reaction rate constant of Cu(Ⅱ)—(CH_3)_2Phen—N-Pn-En ternary complexcompound has been evaluated and its kinetics being disscused by means of Eigenmechanism.

应用温度跃迁装置和断流分光光度计分别研究了铜(Ⅱ)—2,9-二甲基邻菲啰啉与α-氨基酸和N-苯基乙二胺在25℃、0.1mol·dm~(-3)KNO_3水溶液中的生成反应动力学.实验结果表明在铜(Ⅱ)—2,9-二甲基邻菲啰啉—α-氨基酸三元配合物的生成速率常数与配体α-氨基酸的酸离解常数之间存在着如下的直线自由能关系:logk_f=2.84+0.53pK_2.根据 Eigen 机理讨论了铜(Ⅱ)—2,9-二甲基邻菲啰啉—N-苯基乙二胺三元配合物的生成反应动力学.

 
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