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1)  galvanic couple
电偶
1.
The results show that potentials of the steel sample have small difference,and don't exceed 20 mV under common instances;galvanic couple corrosion phenomenon is light or ignored under oxygen and short term.
为探讨电化学腐蚀对抽油井中管杆磨蚀的影响,选取油田常用的4种管杆材料分别在不同污水环境下进行了电极电位和电偶腐蚀实验研究。
2.
Analyzes the work state of a thermoelectric cooling device based on the performance of galvanic couple.
电偶制冷特性的基础上 ,通过仿真分析讨论了其变工况时的工作特性及工作电压和工作电流的选择范围。
3.
Based on the performance of galvanic couple,this paper gives a brief discussion about the performances at varied operating conditions ,and the range of working valtage and current is presented.
电偶制冷特性的基础上讨论了热电制冷器变工况时的工作特性,并提出了工作电压和工作电流的选择范围。
2)  Couple [英]['kʌpl]  [美]['kʌpḷ]
电偶
1.
Some typical forms such as stress corrosion,chink corrosion and couple corrosion are analyzed.
着重从结构设计和制造安装方面讨论如何避免和减少食品机械的腐蚀 ,并重点分析了应力腐蚀、缝隙腐蚀及电偶腐蚀。
2.
The corrosion potential of 16 Mn steel respectively in the zones of full immersion, tide range and splash is measured by putting the independent test pieces put into sea water corrosion simulation test unit and the couple potential, couple current and their corrosion speed of the electrically connected test pieces in the above 3 zones are also measured.
测定了16 Mn钢在海水腐蚀模拟试验装置中分别处于全浸区、潮差区、飞溅区的独立试片自腐蚀电位,和同时处于以上三个区域的电连接试片电偶电位和电偶电流以及它们的腐蚀速率。
3)  galvanic current
电偶电流
1.
According to dynamics of coupled sacrificial anode with carbon steel,the integral of galvanic current vs.
依据牺牲阳极与A3钢偶合后的电极动力学,电偶电流Ig的时间积分电量值为牺牲阳极实际发出电流量,电偶电流Ig的时间积分电量值与铜库仑计效率存在一定的关系,通过测试铸造铝合金牺牲阳极和A3钢在3%NaCl溶液中偶合后的电偶电流Ig,表明用电偶电流快速评价铸态铝合金牺牲阳极性能可行,可以用来筛选牺牲阳极配方。
2.
To study the effect of rate between cathodic and anodic area,and temperature on galvanic corrosion of these two kinds of steel,electrochemical techniques were used to analyze galvanic current and interface configuration on anodic electrode.
结果表明,在模拟油气田水介质腐蚀环境中,G3钢和SM80SS钢分别成为阴、阳极;温度升高(30、60、90℃)会使电偶电流增加,电偶效应增大;随着阴阳极面积比增大,电偶电流不断增大。
4)  Galvanic-couple cell
电偶电池
5)  electrochemical couple
电化电偶
6)  couple [英]['kʌpl]  [美]['kʌpḷ]
偶,对;偶联;力偶;电偶
补充资料:电偶序
分子式:
CAS号:

性质:根据金属(或合金)在特定条件下实测的腐蚀电位的相对大小排列成的表。使用多的是以海水、土壤为介质的电偶序。表中位于上方的金属和位于下方的金属组成电偶时,上方的起阳极体作用,下方的则起阴极体作用。还必须注意,利用电偶序只能判断金属在偶对中的极性和腐蚀倾向,没有涉及到它们的腐蚀速度问题。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条