| 单词 | mercury cell |
| 释义 | mercury cell A primary voltaic cell consisting of a zinc anode and a cathode of mercury(II) oxide (HgO) mixed with graphite. The electrolyte is potassium hydroxide (KOH) saturated with zinc oxide, the overall reaction being: Zn + HgO → ZnO + Hg The e.m.f. is 1.35 volts and the cell will deliver about 0.3 ampere-hour per cm3 |
| 随便看 |
|
物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。