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单词 passivation
释义

passivation

Definition
Rendering a substance inactive or inert by chemical action. Aluminum, for example, is passivated when it reacts with the air to form a protective layer of aluminum oxide which prevents further air-aluminum reaction. Similarly, iron is passivated when it reacts with nitric acid to form a layer of iron oxide.
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更新时间:2025/4/17 7:02:23