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1·Avoiding electrochemistry erosion of colourful plank caused by electrical potential difference.

避免因电位差而引起彩板的电化学腐蚀。

2·They work because certain materials, such as bismuth telluride, generate an electrical potential difference within themselves if one part is hotter than another.

它们之所以能起作用是因为一般的材料，比如碲化铋，如果其中一部分比另一部分热，内部就会产生电位差。

3·Gastric mucosal blood flow (GMBF), electrical potential difference across gastric mucosa (PD), ulcer index (UI) and other indexes were measured, respectively.

分别测定胃粘膜血流量(GMBF)、胃粘膜跨膜电位(PD)、损伤指数(UI)等多项指标。

4·The pair of electrodes measures the difference in electrical potential (voltage) between their two positions above the brain.

这对电极测的是大脑上两点间的电位差。

5·This paper illustrates the difference of two definitions of electrical quadrupole moment, analyzing the method of solving potential by making use of them.

通过分析电四极矩的两个定义的异同，举例分析它们求电势的方法。