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charge transfer     
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  电荷转移
     Synthesis and Properties of a New Organo-inorganic Charge Transfer Salt (C_(10)H_(10)N_2)_2SiW_(12)O_(40)·2C_(10)H_8N_2·2H_2O
     新型有机-无机电荷转移盐(C_(10)H_(10)N_2)_2SiW_(12)O_(40)·2C_(10)H_8N_2·2H_2O的合成与性质
短句来源
     Synthesis, Characterization and Crystal Structure of the Charge Transfer Compound [CH_3NH_2CH_3]_2[CH_3-NHCH_3]_4H_4[P_2W_(18)O_(62)]·H_2O with Dawson-type Polyoxometalate Subunit
     Dawson结构多金属氧酸电荷转移化合物[CH_3NH_2CH_3]_2[CH_3NHCH_3]_4H_4[P_2W_(18)O_(62)]·H_2O的合成、表征及晶体结构
短句来源
     The charge transfer salts 8C 8H 11 N·H 8P 2Mo 16 V 2O 62 ·3C 3H 7NO·5H 2O, 8C 8H 11 N ·H 10 P 2Mo 14 V 4O 62 ·4C 3H 7NO have been synthesized.
     以不同钒取代的Danson结构的杂多磷钼酸为电子受体 ,N ,N 二甲苯胺为电子给体合成了两种新型电荷转移盐配合物 8C8H11N·H8P2 Mo16V2 O62 ·3C3 H7NO·5H2 O和 8C8H11N·H10 P2 Mo14 V4O62 ·4C3 H7NO。
短句来源
     Synthesis, Structure and Physical Properties of a New Charge Transfer Complex (BEDT TTF) 4\5H 2O\5Fe(C 2O 3) 3\5C 6H 5NO 2
     新型电荷转移复合物(BEDT-TTF)_4·H_2O·Fe(C_2O_3)_3·C_6H_5NO_2的合成、结构与物理性质
短句来源
     Two new organo polyoxometalate charge transfer complexes H 3PMo 12 O 40 ·4.5CO(NH 2) 2·2.5H 2O and H 3PMo 12 O 40 ·12CO(NH 2) 2 were synthesized and their structures were elucidated by IR,UV,TG,XRD and elementary analyses.
     在水中合成了两种新的有机 金属氧酸盐电荷转移配合物H3 PMo12 O4 0 ·4.5CO(NH2 ) 2 ·2 .5H2 O和H3 PMo12O4 0 ·12CO (NH2 ) 2 ,用IR、UV、TG、XRD及元素分析对其进行了表征。
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  电荷迁移
     Optical Properties of Charge Transfer Bands for the S_6 Site in Y_2O_3∶Eu~(3+) Nanoparticles
     纳米Y_2O_3∶Eu~(3+)中S_6格位电荷迁移带的光学特性
短句来源
     Charge Transfer Excitation of Eu~(3+) with Two-sites in Nanocrystal Gd_2O_3: Eu~(3+)
     纳米Gd_2O_3中两种格位Eu~(3+)的电荷迁移态激发跃迁
短句来源
     Six dimetallic compounds (El4N)2((PhS)2FeS2MS_(2-n)On (M = Mo,W; n=0, 1, 2) were studied by 1H-NMR. These results indicate that the isotropic shift is dominantly from contact interaction. Its magnitudes are correlated closely with Fe→M charge transfer which relies on the type of metal M and ite environment.
     本文对六种双金属化合物[Et_4N]_2[(PhS)_2FeS_2MS_(2-n)O_n](M=Mo,W;n=0,1,2,)的~1H—NMR作了研究,表明各向同性位移主要来自接触位移的作用,其值大小与Fe→M电荷迁移密切相关.
短句来源
     The VUV excitation spectrum of Y0.4Gd0.6VO4∶Eu3+ monitored at 619 nm mainly consists of four band at the peaks of 158 nm, 204 nm, 247 nm and 300 nm, which are attributed to the host absorption and the charge transfer bands of Y3+, Gd3+, Eu3+ absorption.
     619nm监控下的真空紫外激发光谱由峰值位于158nm,204nm,247nm以及300nm的系列激发带组成,归属于钒酸根的基质吸收以及Gd3+、Y3+和Eu3+的电荷迁移带吸收。
短句来源
     Investigation of the spectra of Sr_2CeO_4 due to charge transfer transition 
     Sr_2CeO_4电荷迁移发光的光谱结构规律研究
短句来源
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  电荷传递
     It was found that the electrochemical reduction of Ti (IV) proceeds in three-step charge transfer: Ti (IV)+e→Ti (III);
     结果表明:Ti(IV)的电化学还原机理为三步骤电荷传递反应:Ti(IV)+e→Ti(III);
短句来源
     the equivalent circuit was defined to fitting the experimental data,the charge transfer resistance at 3.85 V was 24.87 Ω,changed to 14.56 Ω at 4.25 V,the charge transfer resistance decreased with the increasing of the potential,then increased.
     确定等效电路对实验数据进行拟合,在3.85 V处的电荷传递电阻为24.87Ω,在4.25V处变为14.56Ω,电荷传递电阻随电位的增加先减小后增大。
短句来源
     CuPc film has a charge transfer ability and aelectrocatalytic property towards oxygen reduction in the solution of 0.1 mol/L KCl + 0.0l mol/L[Fe(CN)6]3-.
     在0.1mol/L KCL+0.01 mol/L[Fe(CN)6]3-的溶液中,酞菁膜电极上可以进行可逆的电荷传递,并对氧还原有催化作用。
短句来源
     The reaction rate of Ni_3S_2 corrosion dissolution is controled by the combined processes of solid diffusion and electron charge transfer.
     Ni_3S_2的腐蚀溶出受固体扩散和电荷传递混合控制,反应活化能为11.596kJ/mol.
短句来源
     The charge transfer characteristic of poly-2-aminopyridine in 1.0 mmol. dm-3 CuCl2 solution (pH 3) are influenced by increasing scan rate.
     聚-2-氨基吡啶在1.0 mol dm~(-3)CuCl_2(pH 3)溶液中的电荷传递能力受扫描速率影响。
短句来源
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  荷移
     Study on the Contribution of the Charge Transfer Excited States in Ba_2MgGe_2O_7∶Cr~(4+) Crystal to g Factor
     Ba_2MgGe_2O_7∶Cr~(4+)晶体中荷移激发态对g因子贡献的研究
短句来源
     In UV-Vis DRS spectra of compound Ⅰ,there are four characteristic wide peaks at 200,230,260 and 350 nm corresponding to O_t→V,O_μ→Ni,O_μ→V charge transfer and(phen's) π-π~*,respectively.
     化合物Ⅰ的固体紫外漫反射光谱在200,230,260和350 nm出现四个宽峰,分别对应Ot→V,Oμ→Ni,Oμ→V荷移和phen的π-π*跃迁。
短句来源
     Relation between ligand-to-ligand charge transfer characteristics and structure of Zn(mnt)(phen-5,6-dione)
     Zn(mnt)(phen-5,6-dione)配体间荷移跃迁特性与结构的关系
短句来源
     A novel charge transfer salt(C5H10NH2)4PMo11VO40 has been synthesized and characterized by means of elemental analysis and IR spectrum.
     合成了一种新型杂多酸荷移盐(C5H10NH2)4PMo11VO40,并用元素分析、红外光谱对其进行表征.
短句来源
     Analysis results showed that the bands of CoLL′ in the ultraviolet region arose from π~b→π~* transition of ligand and the bands (400~500 nm) in the visible region belonged to the charge transfer from ligand 5-NO_2-phen to ligand mnt~(2-) in the observed spectra essentially.
     研究发现配合物紫外区的吸收带本质上属于配体的πb→π* 跃迁,可见光区400~500 nm存在本质上属于配体5 NO2 phen到配体mnt2-的荷移跃迁.
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  charge transfer
The charge transfer between the dinitrobenzoyl ligand and the analytes plays a significant role in the separation of phenols and naphthalene derivatives.
      
The spectra indicate that the energy transfer takes place from the triplet excited state of MLCT (metal-to-ligand charge transfer) state for Sr2CeO4 (sensitizer) to the rare earth ions (activator).
      
This review deals with one of the methods elaborated for recording the charge transfer inside the protein.
      
The reason for its appearance was considered to be either the formation of a charge transfer complex between ThDP and tryptophan (phenylalanine) residue or stacking interaction between the residues of aromatic amino acids.
      
First example of intense luminescence of ligand-to-metal charge transfer states of metal complexes in solution
      
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The difference spectrum of a mixture of haematin and FMN at pH 7.4 measured against the two reactants separately has been found to show 3 distinct peaks at 525,610 and 685 mμ. Plot of the difference absorbancy at these 3 wavelengths according to the so-called continuous variation method~([7]) clearfly demonstrates the formation of 3 complexes with the proportions of haematin: FMN=1:1, 1:2 and 1:4 in the order of decreasing affinity between the reactants. By the same method, aged-haematin has been shown to combine...

The difference spectrum of a mixture of haematin and FMN at pH 7.4 measured against the two reactants separately has been found to show 3 distinct peaks at 525,610 and 685 mμ. Plot of the difference absorbancy at these 3 wavelengths according to the so-called continuous variation method~([7]) clearfly demonstrates the formation of 3 complexes with the proportions of haematin: FMN=1:1, 1:2 and 1:4 in the order of decreasing affinity between the reactants. By the same method, aged-haematin has been shown to combine with FMN to form an 1:1 complex with a maximum at 585 mμ in the difference spectrum. Spectrophotometric titration of a mixture of agedhaematin and FMN in the absence of air also suggests the formation of complexes with one or both of the reactants in the reduced form. It appears from theoretical considerations, the formation of the 1:4 complex of haematin and FMN and the effect of the ionic strength of the medium on the difference spectra that the interaction of haematin and FMN may be of the charge transfer type. The implication of these findings on our understanding of the electron transfer process in the respiratory chain has been briefly discussed.

血红素与FMN反应后的差光谱在500mμ—800mμ范围内有三个差吸收峰,波长分别为525mμ,610mμ及685mμ。用所谓连续变易法作图结果表明反应产物包括:血红素比FMN等于1:1,1:2及1:4等三种络合物,结合紧密程度依次降低。老化血红素与FMN反应只能产生1:1的络合物,表现出一个差吸收峰(585mμ)在过量连二亚硫酸钠存在下差光谱形状略为不同,血红素及FMN皆为全还原型时,络合物络合能力降低一个数量级。在隔绝空气的条件下逐步加入还原剂可以观察到在二者未完全还原前可能尚有其他络合物的生成。无论血红素是否经过老化它与FMN络合生成的产物差光谱皆受溶液离子强度的影响。对血红素与FMN络合的物质进行了讨论,所生成的某些络合物很可能是属于所谓电荷转移形式。这两种生物氧化中重要辅基如生成电荷转移络合物,可能与呼吸链中的电子传递有密切关系。

The frequency dependence of A.C. conductance of organic solid thin films have been discussed. It is pointed out that the dependence of conductance on the square of frequency is an artifact due to the electrode contact resistance and the capacity of the film. In this paper a method of an added external resistance is proposed to evaluate the electrode contact resistance and thereby the experimentally measured frequency dependences of conductance and capacity of the film could be corrected for the effect of electrode...

The frequency dependence of A.C. conductance of organic solid thin films have been discussed. It is pointed out that the dependence of conductance on the square of frequency is an artifact due to the electrode contact resistance and the capacity of the film. In this paper a method of an added external resistance is proposed to evaluate the electrode contact resistance and thereby the experimentally measured frequency dependences of conductance and capacity of the film could be corrected for the effect of electrode contact resistance. In order to characterize the A.C. conductance of organic solid thin films three parameters are suggested. That is, the D.C. specific conductance σd.c. at extremely low frequencies, the exponent n in the expression σ(f)∝ fn for the region of higher frequencies and the value of fx at which the straight line on the lgσ-lgf plot intersects the horizontal line σ=σd.c. For a solution cast film of poly-vinylcarbazole (PVK)-2,4,7-trinitrofluorenone (TNF) (1:0.75) charge transfer complex and an evaporated film of copper phthalocyanine (PcCu) the following results were obtained:

本文讨论了有机固体薄膜交流电导的频率依赖性,指出在较高频率下,电导正比于频率两次方的依赖性,是由于电极接触电阻和薄膜电容所引致的假象。作者建议了一种外加串联电阻法来求取电极接触电阻值,从而使电导和电容的频率依赖性实验数据得到改正。提出了表征有机固体薄膜交流电导特性的三个参数,即在极低频下的直流电导率σ_(d.c.)值、在较高频区σ(f)∝f~n中的n值和在lgσ-lgf图上高频区直线与σ_(d.c.)水平线的交点f_x。对聚乙烯咔唑(PVK)-2,4,7-三硝基芴酮(TNF)(1:0.75)电荷转移复合物薄膜和酞菁铜(PcCu)蒸发膜进行实验测定的结果,得到PVK-TNF(1:0.75):(σ_(d.c)=1.9·10~(-16)(Ω·cm)~(-1),n=0.96,f_=6.1·10~(-3)Hz(14℃);PcCu:σ_(d.c.)=1.6·10~(-9)(Ω·cm)~(-1),n=1.2,f_x=1·10~5Hz(17℃)。

The chemisorption of Al on the GaAs(ll0) surface is studied by using the charge self-consistent EHMO method. In comparing the two different mechanisms of adsorption, the more stable mechanism is determined by the configuration which gives a lower energy, and it is suggested from the present study that Al will substitute the surface Ga atoms, while the latter will be adsorbed on the dangling bonds of the surface As atoms. The charge transfer, the bond strengths and the density of states are also considered....

The chemisorption of Al on the GaAs(ll0) surface is studied by using the charge self-consistent EHMO method. In comparing the two different mechanisms of adsorption, the more stable mechanism is determined by the configuration which gives a lower energy, and it is suggested from the present study that Al will substitute the surface Ga atoms, while the latter will be adsorbed on the dangling bonds of the surface As atoms. The charge transfer, the bond strengths and the density of states are also considered.

用电荷自洽的EHMO方法研究了Al在GaAs(110)面上的吸附问题。比较了两种吸附构型,从能量极小的观点定出了稳定的吸附应为Al取代表面Ga原子,使Ga落在表面As的悬挂键上。还计算了电荷转移、成键情况和状态密度。

 
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