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阴极极化电位
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  cathodic polarization potential
     Measured data showed that cathodic polarization potential and depolarization potential decay value in four hours of reinforcing bar were all in accord with NACE RP0290-90 standard of USA. The protective degree of reinforcing bar was 96.72%.
     测试数据表明,钢筋阴极极化电位及4 h去极化的电位衰退均符合美国NACE的RP 0290—90标准,钢样保护度达96.72%。
短句来源
     and at the same cathodic polarization potential , the anodic dissolution current of the former was greater than that of the latter.
     在同样的阴极极化电位下 ,前者的阳极腐蚀电流明显地大于后者。
短句来源
     Four kinds of perfectly insulated coating systems in common use was studied by electrochemical impedance spectroscopy(EIS). Their EIS characteristics under cathodic polarization potential in 0.6 mol/L NaCl and in soil respectively were analyzed.
     利用电化学阻抗谱 (EIS)方法研究高绝缘性能防护层 /碳钢试片体系 ,测定阴极极化电位下 4种常用防护层的EIS谱图 .
短句来源
     Experiments show that the corrosion of steels under disbonded holiday on free corrosion potential is heavier than that on cathodic polarization potential on shorter immersing time.
     试验结果表明,在较短的浸泡时间里,在阴极极化电位下涂层缺陷下方金属基体的腐蚀程度低于在自然腐蚀电位下的腐蚀程度;
短句来源
  “阴极极化电位”译为未确定词的双语例句
     It makes use of current measurements at interrelated potentials, either three anodic △E, 2△E, and 3△E. or three cathodic -△E, -2△E, and -3△E.
     它选用三个有规律的阳极极化电位△E,2△E,3△E,或阴极极化电位-△E,-2△E,一3△E,测定其相应的极化电流值。
短句来源
     Effects of the square wave pulsed current(SWPC) parameters i.e. frequency (f),magnitude(I A) and duty cycle(P) on the cathodic polarization potentials(E) and polarization extents(ΔE) of the Q235 steel electrodes were studied in 3%NaCl,0.06%NaCl and tap water.
     在 3%NaCl、0 0 6 %NaCl和自来水 3种实验介质中 ,研究了Q2 35钢的方波脉冲电流幅值 (IA)、频率 (f)和占空比 (P)的变化对于阴极极化电位 (E)和极化幅度 (ΔE)的影响规律 .
短句来源
     The results showed that with increasing applied cathodic potential,pH value of soil gradually increased,the number of SRB and corrosion rate of Q235 steel decreased,and cathodic protection efficiency increased.
     30天的实验结果表明,在相同的阴极极化电位下,有菌土壤中Q235钢所需要的阴极极化电流密度均大于灭菌土壤,有菌土壤中Q235钢的平均腐蚀速率均大于灭菌土壤.
短句来源
     Particularly, electrochemical performance was good with an initial discharge capacity of 215 mAh·g~(-1).
     样品G、E和F的电化学性能优异,初始放电容量最高可达215 mAh·g~(-1),放电深度比EMD提高15%。 对γ-MnO_2电极在不同阴极极化电位下的电化学阻抗行为的研究发现质子在二氧化锰晶格中的扩散符合多孔电极的阻挡层扩散模型。
短句来源
     The results show that l6Mn steel is not sensitive tostress corrosion cracking in seawater, but when cathodic polarization isdone on l6Mn steel to prevent from uniform attacking, with the decreasingof cathodic potential, the susceptivity to environment sensitive cracking ofl6Mn steel is increasing. From the morphology of the fractured surface of
     研究表明,16Mn钢在海水中对应力腐蚀开裂并不敏感,但是,当对16Mn钢施加阴极极化电位以防止腐蚀时,随着阴极极化电位的负移,16Mn钢在海水中对应力腐蚀开裂的敏感性增加;
短句来源
更多       
  相似匹配句对
     THE SUDDEN RISE IN POTENTIAL OF ANTIMONY IN THE COURSE OF CATHODIC POLARIZATION
     锑在阴极极化过程的电位突跃
短句来源
     and at the same cathodic polarization potential , the anodic dissolution current of the former was greater than that of the latter.
     在同样的阴极极化电位下 ,前者的阳极腐蚀电流明显地大于后者。
短句来源
     Cathodic polarization and current time curves were measured, and deposition potential was selected.
     测量了电沉积过程中的阴极极化曲线及电流 -时间曲线 ,确定了沉积电位 ;
短句来源
     Research on the Potential Distribution on the Ship Hull under Cathodic Protection
     船体阴极保护电位分布研究
短句来源
     Cathodic Polarization Behaviors of Titanium in Seawater
     钛在海水中的阴极极化行为
短句来源
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  cathodic polarization potential
Thus at higher current densities, above 2 A dm-2, the inihibiting effect of the polyether produced a shift in the cathodic polarization potential to more negative values as compared with an equivalent current density using direct current.
      


Classically, both anodic and cathodic polarization measurements are required to evaluate the corrosion current as well as the two Tafel slopes. These three quantities are sufficient to characterize the corrosion kinetics of most corroding metal system. Recently, Barnartt et al. describe a new three point method that permits either cathodic polarization measurements only or anodic only. It is useful when one polarization measurement is available only. Bat it has to be solved by minimization procedure. In this...

Classically, both anodic and cathodic polarization measurements are required to evaluate the corrosion current as well as the two Tafel slopes. These three quantities are sufficient to characterize the corrosion kinetics of most corroding metal system. Recently, Barnartt et al. describe a new three point method that permits either cathodic polarization measurements only or anodic only. It is useful when one polarization measurement is available only. Bat it has to be solved by minimization procedure. In this paper an improved three-point method is presented. It makes use of current measurements at interrelated potentials, either three anodic △E, 2△E, and 3△E. or three cathodic -△E, -2△E, and -3△E. The experimental data are combined into a single quadratic equation, the two roots of which yield numerical values for ba, bc, and I. Hence it is simpler than Barnartt's new one.

既往需同时由阳极和阴极极化曲线来测定腐蚀电流(Ⅰ)和两个塔菲尔斜率ba和bc。这三个参数足以描述大多数金属腐蚀体系的特征。最近Barnartt等提出一种新的阳极或阴极的单极化曲线三点法。它适用于只有一种极化曲线可供采用的情况,但必须根据最优化法用计算机求解。本文提出一种改进的单极化曲线三点法。它选用三个有规律的阳极极化电位△E,2△E,3△E,或阴极极化电位-△E,-2△E,一3△E,测定其相应的极化电流值。由二次方程求解I,ba和bc。计算方法比Barnartt的新法简单。

The authors have developed and practised a technique for cathodic protection of metallic structures on sea by using shared anode, individual reference electrodes and multichannel potentiostat.

采用共阳极、分参比和多路恒电位的控制方法,研究了海上金属构筑物区域性阴极保护的可行性。结果表明;这种多路恒电位的控制方法是切实可行的;采用本方法对海上各种金属构筑物实施恒电位区域保护,可节省大量装置费用并能满意地控制各保护体的阴极极化电位使其获得良好的保护效果。

The system of applied electric current cathodic protection for concrete reinforcing bar painted conductive coating in simulated ocean environment was introduced. Graphite, brass and Pb-Ag alloy were chosen primary anodes, developed phenolic aromatic hydrocarbon type, alkyd polyaromatic hydrocarbon type and hydrocarbyls polyaromatic hydrocarbon type conductive coatings were chosen as secondary anodes and a long hfe reference electrode was buried in concrete to monitor electric potential of reinforcing bar in...

The system of applied electric current cathodic protection for concrete reinforcing bar painted conductive coating in simulated ocean environment was introduced. Graphite, brass and Pb-Ag alloy were chosen primary anodes, developed phenolic aromatic hydrocarbon type, alkyd polyaromatic hydrocarbon type and hydrocarbyls polyaromatic hydrocarbon type conductive coatings were chosen as secondary anodes and a long hfe reference electrode was buried in concrete to monitor electric potential of reinforcing bar in this system. In the six months period of constant voltage cathodic protection, the cathodic polarization potential of reinforcing bar was monitored every day. After working three months, the system carried out two depolarization tests. Measured data showed that cathodic polarization potential and depolarization potential decay value in four hours of reinforcing bar were all in accord with NACE RP0290-90 standard of USA. The protective degree of reinforcing bar was 96.72%.

介绍了模拟海洋环境的混凝土钢筋导电油漆型外加电流阴极保护系统。该系统选用石墨、黄铜和铅银合金作主阳极,研制的酚醛聚芳烃型、醇酸聚芳烃型和多烃聚芳烃型导电油漆作次阳极,用埋置于混凝土内的长效参比电极监测钢筋电位。在近半年的恒压阴极保护期间,逐日监测了钢筋阴极极化电位,通电三个月后,先后进行了二次去极化试验。测试数据表明,钢筋阴极极化电位及4 h去极化的电位衰退均符合美国NACE的RP 0290—90标准,钢样保护度达96.72%。

 
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