Deposits of coal, silver, copper, manganese are being mined in Guizhou.

在贵州,煤 、 银 、 铜和锰矿被开采出来.

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Trace elements of: iron, copper, manganese , zinc, selenium, cobalt, molybdenum etc.

微量元素 ﹕ 铁 ﹐ 铜 ﹐ 锰 ﹐ 锌 ﹐ 硒 ﹐ 钴 ﹐ 钼等.

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Other components of some grades of steel include copper, manganese, nickel, chromium, molybdenum, and silicon.

钢的一些坡度的其他成分含铜, 锰, 镍, 铬, 钼和矽.

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The preparing process of copper - manganese oxide catalyst for water gas shift is further studied.

进一步研究了铜锰氧化物变换催化剂的制备工艺.

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Determination of Copper, Manganese, Calcium and Magnesium content of Chaenomeles Sinensis by flame atomic absorption spectrometry.

本文利用原子吸收分光光度法测定木瓜中的铜 、 锰 、 钙、镁含量.

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