The influence of different contents of phosphate and lime on hydration of Portland cement has been studied using a non contact electrical resistivitymeter.
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。
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This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.