potentiometry

例句：

1. 1. The scientist used potentiometry to measure the pH of the solution.
   科学家使用电位测定法来测量溶液的pH值。
2. 2. The engineer conducted a potentiometry test on the battery.
   工程师对电池进行了电位测定测试。
3. 3. The doctor used potentiometry to diagnose the patient's condition.
   医生使用电位测定法来诊断病人的状况。