(1)英文:conductivity(specific conductance),缩写为:cond。
(2)定义:电阻率的倒数为电导率,用希腊字母κ表示(或者γ[1] ),κ=1/ρ。除非特别指明,电导率的测量温度是标准温度( 25 °c )。
(3)单位:在国际单位制中,电导率的单位称为西门子/米(s/m),其它单位有:s/m,ms/cm,μs/cm。1s/m=10ds/m=1000ms/m=1000000μs/m=10ms/cm=10000μs/cm。
(4)说明:电导率的物理意义是表示物质导电的性能。电导率越大则导电性能越强,反之越小。另外,不少人将电导跟电导率混淆:电导是电阻的倒数,电导率是电阻率的倒数。
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