阳极极化

A differential polarization curve method and its application in the investigation of the anodic desorption behaviors of interface corrosion inhibitor were proposed and expounded.

提出对半对数极化曲线进行微分的方法，得到的微分极化曲线及其特征参数可以更精细地表征缓蚀剂的阳极脱附行为

Corrosion performance of olive green film on LY12 Al alloy, prepared electrolytically in 0.2 mol/L NaOH at room temperature, is evaluated by electrochemical techniques including dynamical potential anodic polarization curve and polarization resistance.

在弱碱性介质中阳极氧化制备LY12铝合金着色膜，用动电位扫描法极化曲线和极化电阻电化学测试技术方法研究了着色膜在中性和酸性介质中的耐蚀性能以及时效腐蚀行为。

The anodic oxidation reactions of borohydride ion involves a novel and complex reaction system of three hydrogen valence states: protide H(superscript --protium H(superscript 0*-proton H(superscript +. Based on cyclic voltammetry and polarization studies, a multi-step mechanism for the oxidation of BH4-on Cu anode in NaOH solution was presented, and a kinetic expression containing the coverages of BH(superscript - subscript 4) and OH-adsorbed on the surface of Cu anode was deduced by the steady state approximation theory.

鉴于BH(上标-下标 4)阳极氧化反应涉及一个复杂的氢负离子H(上标-下标 4)－氢单原子H(上标 0*)－质子H之间价态转化的新颖反应体系，在循环伏安和极化实验研究基础上，提出了NaOH溶液中BH(上标-下标 4)在Cu电极上氧化反应的多步骤机理，导出了包含表面吸附态BH(上标-下标 4， ad)和OH覆盖率θ和θ的电极反应动力学方程。

The thermodynamics and the dynamics mechanism have been studied.The results show that it is advisable for the HCHO and NaH_2PO_2 as the reduction due to the electrode potential of the reduction is more negative than that of Cu~ 2+ from the analysis of data in thermodynamics.It is advantage for the reaction of electroless copper in the alkaline solution. According to the analysis of Tafel slope of a cathodal polarization curve,...

结果表明：从热力学数据分析看，还原剂的电极电位皆比铜离子负，用甲醛、次亚磷酸钠做还原剂还原Cu2+在热力学上是可行的，在碱性溶液中对化学镀铜反应有利；从阴极极化曲线的Tafel斜率分析看，Cu2+=Cu+步骤为阴极反应的速度控制环节；从镀液的旋转圆盘电极测试结果分析看，电子跃迁步骤H2CO-ad rdsHCOOH+1/2H2+e-为镀液中阳极反应速度的控制性步骤。

By the measured results of pipe to soil polarization potential after one year, it is shown that the design is reasonable and the technical targets fulfil the design requirements.

实施保护一年后的管道极化电位检测结果表明，牺牲阳极保护工程设计合理，技术指标达到了设计与规范要求。

Polarization measurements showed that HBPT can inhibit the anodic reactions of the copper in 0.5mol/L H2SO4 and accelerate the cathodal reactions and act as a kind of anodic inhibitor.

极化曲线研究表明3，5-二（2-吡啶基）－1，2，4-三唑在0.5mol/L硫酸溶液中对铜的阳极反应起抑制作用，对铜的阴极反应起促进作用，属於阳极型缓蚀剂。

Results From the Tafel polarization curves, the specimen after coating TiN showed that both anodic polarization curve and cathodal polarization curve were flat, natural corrosion potential moved to the positive way, and passivation interval got longer.

结果 塔菲尔极化曲线图形显示，钴铬合金表面经TiN涂层后表现出阳极和阴极极化曲线低平，自腐蚀电位向正方向移动，钝化区间变长。

Zn-La alloys increase the overpotential ofhydrogen evolution, Tafel slope 〓 and polarization, decrease the corrosion current density, inhibitthe corrosion of zinc electrode in alkaline solution, decrease anode Tafel slope 〓, promotedischarge reaction of zinc electrode, have higher passivation current density, inhibit thepassivation of zinc electrode, avoid the oversaturation of zincate in electrolyte, greatly increase〓 diffusion coefficient, decrease Tafel slope 〓, polarization and the overpotential of deposition,inhibit the dendrites formation and improve the electrodepostion of Zn.

实验结果表明，Zn-La合金电极显著改善了锌电极的各项电化学性能：提高析氢过电位、析氢过程Tafel斜率〓和极化，减小腐蚀电流密度，抑制锌电极在碱液中的腐蚀；降低阳极Tafel斜率〓，促进了锌电极的放电反应；具有较高的维钝电流密度，抑制锌电极的钝化；有效避免了溶液中锌酸盐的过饱和现象：使〓的扩散系数明显增大：降低Zn沉积过程的Tafel斜率〓、极化和沉积过电位，明显抑制锌枝晶的生长，改善了锌的电沉积性能。

The anodization utilizes an electrolytic solution which etches out oxidized portion as soon as it is formed as a result of the anodization, to thereby develop a porous layer in a pattern in match with the anode pattern.

阳极化利用了电解液，一旦由于阳极化而形成氧化部分，电解液即蚀刻掉氧化部分，由此以与阳极图案相匹配的图案产生多孔层。

We put zinc sulphide mine into different sulphate system and analyzed polarization curve about anodic oxidation.we found that the mine was oxidized effectively and the rapid oxidation happened when we adopted the zinc sulphide ore suspension electrolyte which contained ZnSO_4,(NH_4)_2SO_4 and H_2SO_4. This system was suffice to product metal zinc industrially. The appropriate suspension electrolyte composition consisted of zinc 90～130g/l,(NH_4)_2SO_430～50g/l, H_2SO_430～50g/l, suspension electrolysis temperature 50℃, anodic oxidation potentiometer 0.6～0.8V.

研究了硫化锌矿在不同的硫酸盐体系中的溶解，通过阳极氧化极化曲线进行分析，得出当以硫酸锌、硫酸铵和硫酸作为硫化锌矿悬浮电解液时，矿物能够有效地被氧化，氧化速度最快，能满足工业上生产金属锌的要求，并且合适的悬浮电解液组成为：锌90～130g/l，硫酸铵30～50g/l，硫酸30～50g/l，悬浮电解温度40～50℃，阳极氧化电位0.6～0.8V。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。