| 单词 | Weston standard cell |
| 释义 | Weston standard cell [`wes·tǝn `stan·dǝrd `sel] ELECTRICITY A standard cell used as a highly accurate voltage source for calibrating purposes; the positive electrode is mercury, the negative electrode is cadmium, and the electrolyte is a saturated cadmium sulfate solution; the Weston standard cell has a voltage of 1.018636 volts at 20°C. |
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