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单词 local action
释义

local action

noun
Chemical activity that occurs on the surface of an electrode in a cell or battery, as distinct from that involved in the flow of current or the maintenance of a potential.
  • Local action occurs chiefly as a result of impurities in the metal of the electrode, which effectively form miniature voltaic cells with the bulk metal; the result is corrosion of the electrode even when no current is being drawn..

Origin

Mid 19th century; earliest use found in Michael Faraday (1791–1867), natural philosopher, scientific adviser, and Sandemanian.

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更新时间:2024/12/23 14:40:33