The influence of different contents of phosphate and lime on hydration of Portland cement has been studied using a non contact electrical resistivity meter.
用非接触式电阻率测试仪研究了不同含量的可溶磷及石灰对水泥早期水化过程中电阻率的影响。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
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