359B6350APG03 EXCAVATOR BP

MG3-1C-1F-1J-A
MG3-1H-1H-PA
ADVANTEST R6552T-R
ABB 5761789-6H
Triconex通讯卡件4211
499ATRDO
HPE700018 M12 10.02
DSQC 697 3HAC037084-001
EBE Handrad CESI 100 5VDC
4809-436-096

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描述

由于电解质溶液与金属导体一样的电的良导体,因此电流流过电解质溶液时必有电阻作用,且符合欧姆定律。但液体的电阻温度特性与金属导体相反,具有负向温度特性。为区别于金属导体,电解质溶液的导电能力用电导(电阻的倒数)或电导率(电阻率的倒数)来表示。当两个互相绝缘的电极组成电导池时,若在其中间放置待测溶液,并通以恒压交变电流,就形成了电流回路。如果将电压大小和电极尺寸固定,则回路电流与电导率就存在一定的函数关系。

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