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本文利用精确测量坩埚型电导池的尺寸以及不同插入深度的电阻值,并根据下列公式:或直接计算出电导率。因而可以省去利用已知电导率的溶液来标定电导池常数。这种方法简化了实验步骤,其结果也是精确的。
In this paper, the precise measurement of the size of the crucible-type conductivity cell and the resistance at different insertion depths is based on the following formula: or directly calculates the conductivity. It is thus possible to dispense with the use of a solution of known conductivity to calibrate the cell constant. This method simplifies the experimental steps and the result is accurate.