formed of alternate plates of platinum and zinc, as a voltaic cell.
单词 | θ76900 |
释义 | the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > [adjective] > primary > relating to (4) platinum-zinc1840 formed of alternate plates of platinum and zinc, as a voltaic cell. Smee1852 Used attributively and in the possessive to designate an obsolete type of primary cell or battery invented by Smee (Phil. Mag. (1840) 16 315)… Weston1895 attributive and in the genitive. Designating a primary cell with a very low variation of voltage with temperature, used as a standard voltage source… zinc-air1970 applied to a type of primary cell employing a zinc anode, a porous carbon cathode able to utilize atmospheric oxygen, and an alkaline electrolyte. |
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