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利用自制微机控制涡流法剩余电阻比测定装置测量高纯金属剩余电阻比来确定其杂质含量。测量精密度可达1％,精确度优于5％。
The residual resistance ratio of the eddy current method was measured by the self-made computer-controlled eddy current method to measure the residual resistance ratio of high-purity metal to determine its impurity content. Measurement accuracy of up to 1%, accuracy better than 5%.