接触电位差是指两种不同金属接触时产生的电位差,与金属材质和接触面温度等因素有关。 接触电位差在接地系统中的概念: 接触电位差:接地短路电流流过接地装置时,大地表面形成分布电位,在地面上离设备水平距离为1.0米处与设备外壳、构架或墙壁离地面的垂直距离为2.0米处两点间的电位差称为接触电位差。接地网孔中心对接地网接地极的最大电位差,称为最大接触电位差。
...contact potential difference;step potential difference;resistance reducing agent;deep well earthing;deviated[gap=202]关键词:接地电阻;接地装置;土壤电阻率;接触电位差;跨步电位差;降阻剂;深井接地;斜井降阻技术 ...
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... contact diffusion 电极孔形成扩散 contact drop 接触电位差 contact encoders 接触编码器 ...
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... 接地装置对地电位potential of grounding connection 接触电位差touch potential difference 跨步电位差step potential difference ...
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电阻焊机; 焊接回路; 接触电位差; 接触电阻;
Resistance welder Welding circuit Contact potential Contact resistance;
用接触电位差(CPD)方法研究了导电聚合物meh - PPV薄膜的光电特性。
The photoelectric characteristics of conducting polymer MEH-PPV thin film were studied using contact potential difference (CPD) method.
用接触电位差( CPD ) 方法研究了导电聚合物MEH -PPV薄膜的光电特性。
The photoelectric characteristics of conducting polymer MEH - PPV film were studied using contact potential difference ( CPD ) method.
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