中国电器工业协会工业日用电器分会 关键词：电池内阻；监测；锁相环电路 [gap=493]Key words：internal resistance of cell；monitor；phase locked loop
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Otherwise, the current drawn from the cell electrodes will cause a voltage drop across the internal resistance of the electrode and may polarize the cell.
否则，从电池电极吸取的电流将会在电极的内阻上产生电压降并可能使电池极化。
The degradation of the cell is reflected in rising of internal resistance and decreasing of capacity during cycling.
电池退化表征为：随寿命增大，电池内阻上升，容量下降。
The process of cooperative teaching on physics and chemistry experiment, which measuring the electromotive force and internal resistance using the primary cell produced by fruit, is expatiated.
阐述了利用水果制作原电池进而测定电池的电动势和内阻的理化实验课的协同教学过程，并对教学效果进行了反馈。
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