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极化阻力
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  polarization resistance
     An investigation of the effect of preoxidation treatment and preoxidation with surface-applied CeO_2 on the hot corrosion behavior of HK40 alloy was electrochemically carried out in 75% Na_2SO_4+25%NaCl melt at 800℃. The free corrosion potential (F_(corr)) and polarization resistance (R_p) were measured, and the corrosion current density (I_(corr))was calculated by polarization curve fitting technique.
     用熔盐电化学方法,结合各种物相分析手段,研究了预氧化处理和表面涂覆CeO_2后预氧化处理对HK40和Cr12熔盐腐蚀过程的影响,测量经各种处理的合金在75%(NaK)_2SO_4~25%NaCl熔盐中的自腐蚀电位E_(corr)、极化阻力R_p,并计算腐蚀电流密度I_(corr)。
短句来源
     The corrosion resistance, composition and structure of Ti(Ⅳ) compound modified passive films formed in low concentration of chromate solution were studied by means of polarization resistance measuring, neutral salt spray test and SEM, XRD, XPS, and the effect of Ti(Ⅳ) ion on the protective mechanism of low chromate passive film was also discussed.
     通过采用极化阻力测量、中性盐雾试验和SEM ,XRD ,XPS等手段研究了含Ti(Ⅳ )低铬钝化膜的耐蚀性、组成与结构 ,探讨了钛离子对钝化膜防护机理的影响。
短句来源
     The electrochemical test shows that the electrode polarization resistance of alloy coat steel wire is much stronger than that of the steel wire galvanized by dipping, however, the self-corrosion current of the electrode of alloy coat steel wire is only about 1/3 of that of galvanized steel wire.
     电化学测试表明合金镀层钢丝电极极化阻力远大于热镀锌镀层钢丝电极极化阻力 ,而其电极的自腐蚀电流仅是热镀锌钢丝电极的 1/ 3左右 ;
短句来源
     Following is concluded:non-crystalline Ni-19.2P alloy has good corrosion resistance because of its high stable potential,polarization resistance and reaction impedance.
     结果表明:Ni-19.2P非晶态合全稳定电位高,极化阻力和反应阻抗大,腐蚀速率小,具有优良的耐蚀性能。 电化学测量技术是研究镀层耐蚀性能快速有效的方法。
短句来源
     The analysis of membrane fouling show that the the resistance of membrane module consist of three parts: the natural resistance, the membrane fouling resistance and the concentration polarization resistance.
     膜污染分析表明,CMABR系统阻力由三部分组成:自身阻力、污染阻力及浓差极化阻力
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  “极化阻力”译为未确定词的双语例句
     The resistance analysis showed that the cake layer resistance Rc(38.6%),the resistance increase △Rm(26.9%)and concentration polarization Rp(22.8%)were the main resistance composition.
     阻力构成的分析结果表明,沉积层阻力Rc(38.6%)、膜阻力增加△Rm(26.9%)及浓差极化阻力Rp(22.8%)都是过滤阻力的主要组成部分。
短句来源
     the membrane fouling resistance was mainly caused by polarization layer resistance(Rp)and internal fouling resistance(Rif).
     膜污染阻力主要由凝胶极化阻力Rp和内部污染阻力Rif构成。
短句来源
     Experimental results showed that membrane yield was high and polarized resistance on membrane surface was low when the concentration of emulsified oil in feed wastewater(about 10mg/L)was low;
     该膜对低浓度(10mg/L左右)乳化油废水过滤时产水量大,极化阻力很小,膜阻力为11.13×1013(m-1);
短句来源
     It could be proved that W(i) was linear with t(i). Moreover, with its slope Kand intercept B, the real static overpotential E∞ could be calculated. Furthemore, owing to the linear relationship between In[E∞-E(i)] and t(i), the parameters R1,Rp and Cd could be calculated through its slope K' and B'.
     可以证明,W(i)与t(i)呈线性关系.根据其斜率K和截距B可求得稳态过电位E∞,再利用In[E∞-E(i)]对t(i)的线性关系,求得斜率K’和截距B’,井据此求得极化阻力Rp,界面电容Cd,及溶液电阻R1。
短句来源
     It can be used to evaluate the corrosion resistance of coated metals by coulostatic perturbation method. Important parameters such as R_p,R_f,C_u,C_f and R_s can be obtained in experiment with only for once weak polarization.
     使用该测量系统,只需一次微极化即可获得重要参数值-极化阻力 R、界面双层微分电容 Cl溶液电阻 R_S 及涂膜层电阻 R、涂膜层电容 Cl。
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  相似匹配句对
     A technique for polarization analysis
     极化分析技术
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     Overcome the Hardships
     战胜阻力
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     A Variating-Polarization Circulator
     变极化环行器
短句来源
     Resistance of Alluvial Channel
     冲积河床阻力
短句来源
     According to this proceduct, polarization resistance R and other parameters can be calculated directly from the graph.
     这样,可从李沙育图上的原始数据,直接算出极化阻力R_p等参数。
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  polarization resistance
The circuit parameters (the time constant τp and the polarization resistance Rp) determining the rate of metal corrosion are calculated.
      
The effect of these surfactants on active corrosion of lead in acetic acid solution, as well as correlation between the inhibition coefficient and the free energy of adsorption Δ(Ga0)γ, is studied by measuring the polarization resistance.
      
The polarization resistance of integrator, electrolyte conductivity, electrolyte decomposition voltage, and residual current of integrator were determined in a wide range of temperatures by the method of rectangular pulse and cyclic voltammetry.
      
The adsorption step is shown to significantly contribute to the polarization resistance on the hydrogen electrode in a carbonate melt.
      
In the temperature range 300-1100 K, at = 102-105 Pa, the least values of the parameter of resistance and polarization resistance are intrinsic to samples with the thickness of the electrode layer 100 mg cm-2 of the composition Y0.5Ca0.5MnO3.
      
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The application of complex-impedence graphical method to treat the corrosion systems with semi-circular type A. C. impedence graph, and the calculation of the optimum radius of the orbits by the least square method were reported. A BASIC language was also furnished. According to this proceduct, polarization resistance R and other parameters can be calculated directly from the graph. A Chinese made DJS-130 type electronic computer was used. An analytical treatment of the impedence measurement date of the system...

The application of complex-impedence graphical method to treat the corrosion systems with semi-circular type A. C. impedence graph, and the calculation of the optimum radius of the orbits by the least square method were reported. A BASIC language was also furnished. According to this proceduct, polarization resistance R and other parameters can be calculated directly from the graph. A Chinese made DJS-130 type electronic computer was used. An analytical treatment of the impedence measurement date of the system of corrosion of A_3 steel in3.5%NaCl solution is also presented in this paper.

本文针对用复数阻抗图解法处理交流阻抗,轨迹呈现半圆形的腐蚀体系,采用最小二乘法求出最佳轨道半径。运用BASIC语言编制了一套计算程序。这样,可从李沙育图上的原始数据,直接算出极化阻力R_p等参数。作者用国产DJS—130型计算机,对A_3钢在3.5%NaCl体系中的阻抗测量,进行了分析处理。

Carbon steel cylinders were immersed in Xiamen Bay during bloom season of Balanns veticulatus. When the surface of the cylinders were covered by B. veticulatus to a certain extent, the cylinders were recovered to determine the natural corrosion potentials, curves of dynamic potential scanning polarization and linear polarization by electrochemical methods for studying on the effect of Balanns vetieulatus coverage on corrosion of carbon steel and relation between corrosion rate and immersion time.The results...

Carbon steel cylinders were immersed in Xiamen Bay during bloom season of Balanns veticulatus. When the surface of the cylinders were covered by B. veticulatus to a certain extent, the cylinders were recovered to determine the natural corrosion potentials, curves of dynamic potential scanning polarization and linear polarization by electrochemical methods for studying on the effect of Balanns vetieulatus coverage on corrosion of carbon steel and relation between corrosion rate and immersion time.The results show that Balanns vetieulatus, a macro-fouling organism, has a larger effect on corrosion of carbon steel. The natural corrosion potential moved positively, polarization resistance (R_p) increased and corrosion rate decreased with the coverage increasing of Balanns vetieulatus. The results also show that instantaneous corrosion rate of the samples with barnacle coverage decreases with immersion time.

通过测定网纹藤壶覆盖面积分别为35%,75%和100%的碳钢试样,在藤壶去除前、后的自然腐蚀电位和阴极动电位扫描极化曲线的变化,研究了网纹藤壶覆盖面积对碳钢腐蚀的影响;并以线性极化法研究了附有网纹藤壶试样的瞬时腐蚀率与浸挂时间的关系。随着试样表面网纹藤壶覆盖面积的增大,碳钢在海水中的自然腐蚀电位正移、极化阻力增大、腐蚀速度减缓。附有网纹藤壶的试样,其瞬时腐蚀率随浸海时间的延长而降低。

A corrosion rate meter for coulostatic perturbation method has been made and a on-line measuring system combined with microcomputer is set up.It can be used to evaluate the corrosion resistance of coated metals by coulostatic perturbation method. Important parameters such as R_p,R_f,C_u,C_f and R_s can be obtained in experiment with only for once weak polarization.For uncoated metal systems,TAFEL slopes b_a and b_c can be obtained with twice strong polarization,and the corrosion current I_(corr)can be calculated...

A corrosion rate meter for coulostatic perturbation method has been made and a on-line measuring system combined with microcomputer is set up.It can be used to evaluate the corrosion resistance of coated metals by coulostatic perturbation method. Important parameters such as R_p,R_f,C_u,C_f and R_s can be obtained in experiment with only for once weak polarization.For uncoated metal systems,TAFEL slopes b_a and b_c can be obtained with twice strong polarization,and the corrosion current I_(corr)can be calculated with the aid of STERN-GEARY equation.

研究了恒电量腐蚀速率仪,建立了恒电量仪与微计算机联机在线测量系统,可用以评定涂装金属的耐蚀性.使用该测量系统,只需一次微极化即可获得重要参数值-极化阻力 R、界面双层微分电容 Cl溶液电阻 R_S 及涂膜层电阻 R、涂膜层电容 Cl。对于非涂装体系,经两次强极化正可获得塔菲尔常数 b、b,结合 Stern-Geary 方程便可算出腐蚀电流 I。

 
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