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active metal

专业字典

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active metal
active microflora 活性微生物群

Electrochemistry Dictionary

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active metal
"A metal that is easily oxidized (corroded) in air. For example, sodium will violently react with air, aluminum will always have an air-formed oxide film on its surface, and iron is easily rusted. These metals have high negative standard electrode potentials and are high the on the electromotive series. Contrast with noble metal. "