copper-nickel-iron的意思|示意

Seabed manganese nodules contain a great deal of metallic elements such as manganese, iron, copper, cobalt and nickel, and they were thought as an important substitute resource for land ore.

海底锰结核中含有大量的锰、铁、铜、钴、镍等金属元素，被公认为是一种重要的陆地矿产替代资源。

The result show that zinc, copper, iron, chromium, mangan, nickel, cadmium, calcium content in 6 biologicals are the most rich in ant factor injection liquid.

结果表明，6种生物制剂中锌、铜、铁、铬、锰、镍、镉、钙均以蚂蚁因子含量最高，钾含量则以转移因子、 胸腺肽较丰富；

A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.

研究了在酸性介质中，钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。

Continuous determination of zinc, copper and iron in porcelain insulator plating liquid of cadmium nickel battery was carried out by flame atomic absorption spectrometry.

采用火焰原子吸收光谱法进行镉镍电池陶瓷绝缘子镀液中锌、铜、铁含量的连续测定。

The processes of application research of rare earth elements as additives on zinc, chromium, nickel, tin, iron, copper plating were described.

简述了稀土添加剂在国内镀锌、铬、镍、锡、铁、铜工艺上的应用研究进展。

Copper nickel good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.

镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊。