precious metal什么意思 precious metal音标、翻译、用法
precious metal音标
英 [ˈpreʃəs ˈmetl]
美 [ˈprɛʃəs ˈmɛtl]
precious metal翻译
n.
贵金属；
变形
复数：precious metals
英英释义
precious metal
n.any of the less common and valuable metals often used to make coins or jewelry
precious metal用法
双语例句
用作名词(n.)The European Union is prohibiting the trade in gold and other precious metals with the DPRK.
欧盟禁止与朝鲜进行黄金和其他贵金属的贸易。Precious metal in non-coin form such as ingots, bars or wafers.
非硬币形状的贵金属，例如金块或金条。
权威例句
A class of non-precious metal composite catalysts for fuel cells.
Carbons as supports for industrial precious metal catalysts
Identification of non-precious metal alloy catalysts for selective hydrogenation of acetylene
Gold nanoparticles: a revival in precious metal administration to patients.
Development of non-precious metal oxygen-reduction catalysts for PEM fuel cells based on N-doped ordered porous carbon
Iron-catalyzed hydrogenation, hydride transfer, and hydrosilylation: an alternative to precious-metal complexes?
Dynamics of oil price, precious metal prices, and exchange rate
Electrooxidation of small organic molecules on mesoporous precious metal catalysts I: CO and methanol on platinum
Palladium and gold removal and recovery from precious metal solutions and electronic scrap leachates by Desulfovibrio desulfuricans
Synthesis-structure-performance correlation for polyaniline-Me-C non-precious metal cathode catalysts for oxygen reduction in fuel c...