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semarhai

新虫 (初入文坛)

[求助] 关于直流通电测玻璃电阻,电阻随时间快速增大的问题

我使用三电极法测玻璃的体积电阻,加上直流电压以后显示的电流随时间快速减小,也就是电阻快速增大,原理上玻璃离子导电极化的确会产生这种现象,但是5分钟时间电阻就从2*10^13变成了100*10^13,增大了50倍,请问这是正常的吗?
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semarhai

新虫 (初入文坛)

求帮助啊,有大神能解答下吗?
2楼2016-11-28 13:29:38
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