固态半导体的掺杂程度会造成电导率很大的变化。增加掺杂程度会造成电导率增高。水溶液的电导率高低相依于其内含溶质盐的浓度，或其它会分解为电解质的化学杂质。水样本的电导率是测量水的含盐成分、含离子成分、含杂质成分等等的重要指标。水越纯净，电导率越低（电阻率越高）。水的电导率时常以电导系数来纪录；电导系数是水在 25°C 温度的电导率。

厦门市哲控工业设备有限公司
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