英语词汇“noble metal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

noble metal

noun Chemistry

A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids.In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects....

All are rare, expensive, and classified chemically as noble metals.
Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.

单词	noble metal
释义	noble metal noun Chemistry A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids.In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects.... All are rare, expensive, and classified chemically as noble metals. Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.
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