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cyclic voltammetry techniques
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  循环伏安技术
     The effects of LiOH,Li 2CO 3,Na 3PO 4 and K 2CO 3,which worked as the electrolyte additives,on the electrochemical properties of the nickel hydroxide electrode were studied by using constant current and cyclic voltammetry techniques. The exis ting state of nickel hydroxide during reaction was analyzed.
     利用恒电流充放电和循环伏安技术 ,研究了电解液中添加LiOH、Li2 CO3、Na3PO4、K2 CO3等物质对氢氧化镍电极电化学性能的影响 ,并分析了氢氧化镍在反应过程中的存在状态。
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  “cyclic voltammetry techniques”译为未确定词的双语例句
     The spinel LiMn_2O_4(LMO) was prepared and studied as the cathode of lithium ion battery using cyclic voltammetry techniques.
     采用循环伏安法(CV)对所制备的尖晶石LiMn2O4(LMO)锂离子蓄电池正极材料进行了研究。
短句来源
     The effects of anion in electrolyte, such as F~-, Cl~-, Br~-, CO~(2-)_3,SO_4~(2-),on the electrochemical properties of the nickel hydroxide electrode were studied by constant current charge-discharge and cyclic voltammetry techniques.
     利用恒电流充放电和循环伏安测量技术,研究了电解液中添加F-、Cl-、Br-、CO2-3、SO42-等阴离子对氢氧化镍电极电化学性能的影响。
短句来源
     Their redox and acidic proper-ties were examined by means of FTIR, ESR, TPD, and cyclic voltammetry techniques.
     利用FTIR、TPD、ESR和CV等手段考查了各化合物的氧化还原性质和酸性。
短句来源
     The spinel LiMn 2O 4 was prepared and studied as the cathode of lithium secondary battery using cyclic voltammetry techniques.
     采用电化学线性扫描方法对所制备的尖晶石LiMn2O4正极进行了研究分析。
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     Its electrochemical properties were tested by constant current methods and cyclic voltammetry techniques.
     通过恒流法和循环伏安法测定了材料的电化学性能。
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     The Determination of Diuretics by Cyclic Voltammetry
     利尿剂的循环伏安法检测
短句来源
     Its electrochemical properties were tested by constant current methods and cyclic voltammetry techniques.
     通过恒流法和循环伏安法测定了材料的电化学性能。
短句来源
     Study of the acetylferrocene using cyclic voltammetry
     乙酰基二茂铁的循环伏安法研究
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     Behavior of iron electrode in cyanide electroplating bath was investigated using techniques of cyclic voltammetry and chronopotentiometry.
     采用循环伏安法和恒电流法研究了铁电极在氰化物电解液中的行为,证实了在阴极过程中电极首先极化至铁表面钝态层的还原,实现了表面的活化;
短句来源
     The properties of the catalytic wave and the electrode process mechanism have been studied by cyclic voltammetry and other electrochemical techniques.
     本文用循环伏安法等电化学方法研究了催化波的性质及电极反应机理。
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  cyclic voltammetry techniques
The effect of glycerol on the structure and redox properties of horse heart cytochrome c was investigated by absorption spectroscopy, circular dichroism, and dc cyclic voltammetry techniques.
      
The effect of copper on the electrowinning of zinc from industrial acid sulphate electrolyte was studied using X-ray diffraction, scanning electron microscopy and cyclic voltammetry techniques.
      
The effect ofgermanium on the electrowinning of zinc from industrial acid sulphate electrolyte was studied using X-ray diffraction, scanning electron microscopy and cyclic voltammetry techniques.
      
The results obtained by galvanostatic and cyclic voltammetry techniques showed that the insertion of Li+/e- or H+/e- depends on both the host lattice and the type of electrolyte.
      
The dispersions are characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform IR spectroscopy, thermal analysis and cyclic voltammetry techniques.
      


The heteropolymolybdates of Keggin structural anion with different center atoms, M3(XMo12O40) in which M=K+, NH4+; X=P, As, were synthesized. Their redox and acidic proper-ties were examined by means of FTIR, ESR, TPD, and cyclic voltammetry techniques. Based on a comparison of heteropolymolybdate of both kinds of center atom(P, As), we found that the one con-tainning As atom is easier reducible and possesses lower acid strength. As a result, the catalyst con-tainning As anion is less active for the oxidative...

The heteropolymolybdates of Keggin structural anion with different center atoms, M3(XMo12O40) in which M=K+, NH4+; X=P, As, were synthesized. Their redox and acidic proper-ties were examined by means of FTIR, ESR, TPD, and cyclic voltammetry techniques. Based on a comparison of heteropolymolybdate of both kinds of center atom(P, As), we found that the one con-tainning As atom is easier reducible and possesses lower acid strength. As a result, the catalyst con-tainning As anion is less active for the oxidative dehydrogenation of isobutylaldehyde, however, is more selective for the formation of methacrylic acid. These effects of center atom in heteropolyacid salt on the oxidative dehydrogenation activity and the oxidation selectivity may be related to the increasing of oxidation-redaction potential and facility of donating bridged oxygen of the As anion.

合成了具有不同中心原子Keggin阴离子结构的杂多钼酸盐M_3(XMo_(12)O_(40))(M=K~+,NH_4~+,X=P,As)。利用FTIR、TPD、ESR和CV等手段考查了各化合物的氧化还原性质和酸性。比较两种不同中心原子的杂多钼酸盐,其中砷为中心原子的更容易被还原及有较低的酸强度,这类催化剂对异丁醛氧化脱氢活性较低,而对异丁醛氧化为甲基丙烯酸有较高的选择性,中心原子对活性和选择性的影响分别与它们氧化还原电位的升高关联,也与更易给出轿式氧有关。

The electrooxida tion of active carbon and acetylene black was studied using MSCV (Mass Spectroscopic Cyclic Voltammetry) technique over pH 1-12. For both active carbon and acetylene black the pH dependenoes of φ_s and η_s (the onset potential and overpotential of CO_2 formation), I_M (the mass intengity of CO_2 at a given potential) and φ_I (the potential at a given mass intensity) are all broken lines deflecting near pH 7. These phenomena imply that the mechanism of carbon oxidation is different...

The electrooxida tion of active carbon and acetylene black was studied using MSCV (Mass Spectroscopic Cyclic Voltammetry) technique over pH 1-12. For both active carbon and acetylene black the pH dependenoes of φ_s and η_s (the onset potential and overpotential of CO_2 formation), I_M (the mass intengity of CO_2 at a given potential) and φ_I (the potential at a given mass intensity) are all broken lines deflecting near pH 7. These phenomena imply that the mechanism of carbon oxidation is different in acidio and basic media. Both η_s and Tafel slope b in the range of pH>7 were found higher than that in pH<7. Based on these observations it is postulated that in acidic media the O atom needed for CO_2 formation comes from the discharge of H_2O molecules and the oxidation of carbon bo CO_2 is easier than in basic media where the O atom comes from the discharge of OH~-.

用MSCV法研究了活性炭及乙炔黑在pH1—12范围内的电氧化,两种炭的φ_s、η_s与pH的关系(φ_(?)及η_(?)是CO_2开始析出的电位及超电位)以及I_M、φ_I与pH的关系(I_M、φ_I分别为给定电位下的质谱强度及给定I_M下的电位)均为一折点在的pH~7的折线.这暗示酸、碱介质中有不同的氧化机理.pH>7时,η_s及Tafel斜率b均较pH<7时的大.似可推断在酸性介质中形成CO_2所需的氧原子来自水分子放电,其活性明显大于来自碱性溶液中OH~-放电产生的氧原子.因而在酸性介质中炭氧化为CO_2较碱性介质中易于进行.两种炭之间氧化活性亦有明显区别.活性炭的φ_(?)比φ°(O_2/H_2O)负400—600mV;乙炔黑的φ_s则接近或正于φ°(O_2/H_2O).前者的I_M及b均较后者大.乙炔黑较低的氧化活性可归因于其较高的有序性结构.

The electroreduction of allyl alcohol was studied using MSOV (Mass Spectrometric Cyclic Voltammetry) technique at porous Pt electrodes in 0.5mol·dm~(-3) HClO_4. Two types of reactions are mainly involved in the reduction of allyl alcohol: C—OH bond cleavage from allyl group with formation of propene and the hydrogenation of propene to propane. The mass spectrometric current (I_M)-φ (potential) curves of the fragments provide detailed information for some of the partial reactions. For all the...

The electroreduction of allyl alcohol was studied using MSOV (Mass Spectrometric Cyclic Voltammetry) technique at porous Pt electrodes in 0.5mol·dm~(-3) HClO_4. Two types of reactions are mainly involved in the reduction of allyl alcohol: C—OH bond cleavage from allyl group with formation of propene and the hydrogenation of propene to propane. The mass spectrometric current (I_M)-φ (potential) curves of the fragments provide detailed information for some of the partial reactions. For all the m/z values studied the logI_M-φ relations exhibit a linear range and their tafel slops were obtained. Possible reaction mechanisms are proposed based on experimental results.

用MSCV法研究了烯丙醇在多孔Pt电极上0.5mol·dm~(-3)KClO_4中的电还原.烯丙醇电还原时主要涉及二类反应:烯丙基上C—OH断键生成丙烯;丙烯进一步氢化生成丙烷.表征丙烯及丙烷的诸碎片m/z的质谱电流(I_M)-电极电位(φ)扫描曲线详细描绘了各分步反应的状况.在一定电位范围,各m/z的IgI_M-φ呈线性;求得各有关m/z的Tafel斜率.根据实验结果对反应机理进得了详细分析.

 
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