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准可逆的
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  quasi reversible
     Cyclic voltammetry experiment shows that the title complex in DMF under goes a quasi reversible one electron redox reaction at E_(1/2)=0.884 V.
     循环伏安实验说明,标题配合物在DMF溶液中在E1/2=0.884V处经历了一个准可逆的一电子氧化还原过程。
短句来源
     At this modified electrode, cyt c shows a quasi reversible electrode process while the cyclic voltammograms of alkaline cyt c and py·cyt c only give cathodic peaks.
     在此电极上 ,细胞色素c可发生准可逆的电极反应而吡啶结合细胞色素c和 2 甲基吡啶结合细胞色素c在循环伏安图上只给出还原峰。
短句来源
  quasi-reversible
     At pH>6 it becomes a 2e-2H~+ quasi-reversible process.
     当pH>6时,则是一个准可逆的2e-2H~+吸附波。
短句来源
     The results showthat AR and AR-CS complex can be easily reduced or oxidized on the GCE and they have a pair of well-defined quasi-reversible waves(V pc =-0.45V,V pa =-0.41V,ΔV p =0.04V)withadsorptioncharacteristics.
     AR与CS-AR在GCE上均能形成一准可逆的吸附伏安峰(Vpc=-0.46 V,Vpa=-0.41 V,ΔVp=0.05 V)。
短句来源
     In phosphate buffer solution (pH 4.0), the voltammetric behavior of aloe-emodin may be a quasi-reversible double electron and double proton transfer at the glassy carbon electrode. The peak current is proportional to the concentration of aloe-emodin over the range of 5×10-8~2×10~(-7) M. The detection limit is 3×10~(-8) M (S/N=3).
     研究结果表明:在pH 4.0的磷酸盐缓冲溶液中,芦荟大黄素存在一个准可逆的双质子双电子转移过程,在5×10~(-8)~2×10~(-7) M范围内,芦荟大黄素的差示脉冲伏安峰电流与其浓度良好的线性关系,检测限为3×10~(-8) M。
短句来源
     Electrochemical results show that SNP electrochemical behaviors exhibit a quasi-reversible! redox process,the reduction and oxidation peak potential(E_(pc) and E_(pa)) are-0.200 and-0.090 V,respectively.
     结果表明,在电位窗口-0.60~0.30 V(vs.SCE)及0.15 mol/L NaCl水溶液中,SNP的电化学过程呈现出一准可逆的氧化还原过程,△E=110 mV,还原峰电位(Epc)和氧化峰电位(Epa)分别为-0.200 V和-0.090 V。
短句来源
     The results show that the reduction of brilliant crecyl blue at SnO_2 electrode is a two electron transfer quasi-reversible process. The standard potential E~0 is determined as 0.249V (vs.SCE). The mechanism of redox reaction is deducd based on the information obtained from electrochemical and in spectroelectrochemical experiments.
     首次以长光程薄层光谱电化学法研究了灿烂甲酚蓝的电还原反应,结果表明,在SnO_2镀膜玻璃电极上,灿烂甲酚蓝发生准可逆的双电子还原反应,测得其标准电极电势E~o=0.249V(vs.SCE),并根据电化学和光谱数据,推测了反应机理。
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  a quasi-reversible
     In phosphate buffer solution (pH 4.0), the voltammetric behavior of aloe-emodin may be a quasi-reversible double electron and double proton transfer at the glassy carbon electrode. The peak current is proportional to the concentration of aloe-emodin over the range of 5×10-8~2×10~(-7) M. The detection limit is 3×10~(-8) M (S/N=3).
     研究结果表明:在pH 4.0的磷酸盐缓冲溶液中,芦荟大黄素存在一个准可逆的双质子双电子转移过程,在5×10~(-8)~2×10~(-7) M范围内,芦荟大黄素的差示脉冲伏安峰电流与其浓度良好的线性关系,检测限为3×10~(-8) M。
短句来源
     Electrochemical results show that SNP electrochemical behaviors exhibit a quasi-reversible! redox process,the reduction and oxidation peak potential(E_(pc) and E_(pa)) are-0.200 and-0.090 V,respectively.
     结果表明,在电位窗口-0.60~0.30 V(vs.SCE)及0.15 mol/L NaCl水溶液中,SNP的电化学过程呈现出一准可逆的氧化还原过程,△E=110 mV,还原峰电位(Epc)和氧化峰电位(Epa)分别为-0.200 V和-0.090 V。
短句来源
     The results showed that the electron-transfer of YMS was an irreversible process and mainly controlled by diffusion on bare electrode . However, the electron-transfer of YMS is a quasi-reversible process at BLM/Au electrode.
     结果表明YMS在裸金电极上的电化学行为主要是一个受扩散控制的不可逆电极过程,而YMS修饰到BLM中可逆性大大改善,是一个准可逆的过程。
短句来源
     The space effect of the two CH_3 group makesDCEDMA forming a quasi-reversible single electron process.
     甲基的空间效应使DCEDMA形成准可逆的单电子过程.
短句来源
     The peak potential was at -0.80 V. At this electrode, the reduction process was a quasi-reversible process.
     还原波峰电位为 - 0 80V(vs.SCE)。 在此电极上 ,马兜铃酸的电化学反应过程是准可逆的
短句来源
  “准可逆的”译为未确定词的双语例句
     The results showed that the reduction ofIndigo Carmine at SnO_2 electrode is a quasireversible two-electron transfer processand its oxidation is a irreversible electron transfer process.
     实验结果表明,靛蓝胭脂红在SnO_2电极上的还原为准可逆的两电子转移过程,而它的氧化则为不可逆电极过程.
短句来源
     In 0.1 mol/L HAc_NaAc buffer solution(pH 4.5), AR and AR_CS complexis can be easily reduced or oxided on the glass carbon electrode(GCE) and they have a well_defined quasi_revesible wave(V_(pc)=-0.45 V,V_(pa)=-0.41 V) with adsorption characteristics.
     在0 1mol/LHAc_NaAc(pH4 5)缓冲溶液中,AR与CS_AR在GCE上均能形成一准可逆的吸附伏安峰(Vpc=-0 46V,Vpa=-0 41V)。
短句来源
     all of the complexes displayed significant SOD activities and their IC50 ( the concentration of 50% inhibition ) values are equal to 1.44×10~(-3), 1.06×10~(-3), 4.7×10~(-5), 2.85×10~(-5)(mmol/L).
     MnL1Cl_2、FeL1Cl_2、MnL2Cl和FeL2Cl在M(Ⅲ)/M(Ⅱ)之间的氧化还原反应是准可逆的,对超氧阴离子自由基有一定的抑制作用。
短句来源
     The reduction reaction of Al2Cl7 is quasireversible,and the reduction mechanism is very complicated. There may be some pre-chemical step or camo-catalytic reaction mechanism.
     Al2Cl7的还原反应是准可逆的,反应机理复杂,可能是前置化学步骤或自催化反应。
短句来源
     One pair of current peak of the voltammogram may be attributed to a quasireversible two electron transfer of aloe emodin molecules at the glassy carbon electrode.
     结果表明芦荟大黄素存在一个准可逆的双电子转移过程 ,其峰电流Ip 和峰电位Ep 与溶液 pH值有关 .
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  quasi reversible
The V(II)/V(III) redox reaction is electrochemically reversible on the TPGF electrode, while the V(IV)/V(V) couple is a quasi reversible process.
      
Another solute reactant, TcCl2, was studied in solutions in which it demonstrates a (quasi)reversible behavior at bare electrode surfaces, THF+TBAPF6 and AN+TEACl.
      
A study of quasi reversible nitro radical anion from β-nitrostyrene at wax-impregnated carbon paste electrode
      
The electrochemical reaction NbIV+4e→Nb0 is a (quasi)reversible and diffusion-controlled process.
      
The Ti(II)/Ti reduction was found to be quasi reversible.
      
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  quasi-reversible
All three protein-LPS films exhibited a pair of well-defined, quasi-reversible cyclic voltammetric peaks in pH 6.0 phosphate buffers.
      
One quasi-reversible peak and one electron-transfer redox processes corresponding to the formation of a VO(II)/VO(III) couple are observed.
      
The Cr(III)-Cr(II) system is classified with quasi-reversible redox electrodes and is described by the known equation for diffusion kinetics.
      
For films formed in certain conditions on the cathode, the presence of a quasi-reversible redox transition is demonstrated.
      
Quasi-reversible superprotonic phase transition in K9H7(SO4)8 · H2O crystals
      
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  a quasi-reversible
For films formed in certain conditions on the cathode, the presence of a quasi-reversible redox transition is demonstrated.
      
TB immobilized in this way underwent a quasi-reversible electrochemical redox reaction at the electrode.
      
A quasi-reversible diffusion-controlled redox process is exhibited by cytochrome c553 at a pyrolitic graphite edge microelectrode.
      
Such a deposit undergoes reduction in a quasi-reversible manner at ca.
      
In all cases, the reduction processes studied by cyclic voltammetry reveal a quasi-reversible behavior.
      
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The Eh-pH diagrams were calculated and constructed for the system Ni-S-H_2O-The electrochemical reactions related to the dissolution of millerite were discussed on the Eh-pH diagrams. The kinetics of the anodie dissolution of synthetic millerite in acidic sodium sulfate solutions was investigated and it was found that a stable nickel-deficient nickel sulfide was formed in the anodic dissolution. The dissolution was confirmed to be a quasi-reversible process, which was controlled by solid-state diffusion and...

The Eh-pH diagrams were calculated and constructed for the system Ni-S-H_2O-The electrochemical reactions related to the dissolution of millerite were discussed on the Eh-pH diagrams. The kinetics of the anodie dissolution of synthetic millerite in acidic sodium sulfate solutions was investigated and it was found that a stable nickel-deficient nickel sulfide was formed in the anodic dissolution. The dissolution was confirmed to be a quasi-reversible process, which was controlled by solid-state diffusion and charge transfer. The kinetic parameters, e.g. the exchange current density and velocity constants of the anodic reaction, were evaluated.

本文计算并绘制了Ni-S-H_2O系的Eh-pH图,讨论了与针镍矿(β-NiS)溶解有关的电化学反应。研究了针镍矿在酸性硫酸钠溶液中阳极溶解过程的动力学;发现阳极溶解过程中生成了稳定的缺镍硫化物;证明针镍矿的阳极溶解是由固相内扩散传质和电荷传递步骤混合控制的准可逆电极过程;计算了阳极活性溶解反应的交换电流密度和阳极电化学反应的速度常数等动力学参数。

The theories of the branch addition cyclic voltammetry for reversible,quasi-reversible and irreversible processes at the planar electrode were deduced with digital simulation method.The principle of eliminating the charging current by this method was described.The theory for reversible process was verified by experiments.

本文用固定电极电容电流理论对分支加和循环伏安法消除电容电流影响的原理作了说明;用数值模拟解法导出了平面电极上可逆、准可逆和不可逆过程的理论方程;对其中的可逆过程作了实验验证.理论与实验结果一致.

A theoretical and experimental investigation of quasi-reversible electrode processes using square wave voltammetry, especially with cyclic voltammetry, is described. The mathematical expressions of current functions have been deduced. It is shown that the difference between the peak potentials for forward sweep and for reverse sweep, ΔEp, is not equal to zero, but increases with decrease of the degree of the reversibility and strongly depends on the standard rate constant, Ks, of the electrode reaction and the...

A theoretical and experimental investigation of quasi-reversible electrode processes using square wave voltammetry, especially with cyclic voltammetry, is described. The mathematical expressions of current functions have been deduced. It is shown that the difference between the peak potentials for forward sweep and for reverse sweep, ΔEp, is not equal to zero, but increases with decrease of the degree of the reversibility and strongly depends on the standard rate constant, Ks, of the electrode reaction and the voltage scan rate, and it is also independent of the square wave amplitude. With a new parameter proposed, Kc, which is related to Ks and ΔE/τ, one can get the theoretical plot of Ke against ΔEp. Thus, the value of Ks can be estimated from ΔEp measured by cyclic square wave voltammetry and Kc obtained from the theoretical curve. The method has been used to determine the Ks of [Fe(CN)_6]~(-3)-H_2SO_4 system at glassy carton electrode. The Ks obtained then has a value of 2.5×10-3cm/s, whichis in fair agreement with 2.1×10~(-3)cm/s obtained by staircase scan technique and 2.2×10~(-3) cm/s as repoprted in literature.

本文研究了准可逆过程的方波伏安法和作者提出的循环方波伏安法,建立了电流函数理论表示式。理论和实验都表明,循环方波伏安法正向和逆向扫描伏安曲线的峰电势之差(ΔE_p)严格地依存于电极反应的标准速率常数(K_s~-)和电压扫描速度(ΔE/τ)。对于完全可逆过程ΔE_p~-=0随着可逆程度的降低,△E_增加,但不受方波振幅值的影响。引入一个与K_s、ΔE/τ有关的参数K_c,经计算可以得到K_c-ΔE_p理论曲线。由实验得到ΔE_s,从理论曲线查得K_c值,便能估算K_s值。将此法初步应用于测定[Fe(CN)_6]~(3-)-H_2SO_4体系在玻碳电极上的标准反应速率常数,K_s=2.5×10~(-3)cm/s与用阶梯扫描伏安法测得值2.1×10~(-3)cm/s和文献值2.2×10~(-3)cm/s颇为接近。

 
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