Parts of the ocean floor, it was pointed out, were littered with manganese nodules containing nickel, copper and cobalt, and deposits of other metals abounded, not to mention oil and gas.
有人指出，一部分海底布满了含有丰富镍、铜和钴及其他金属的锰结核，更甭说石油和天然气了。
Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.
合金钢的性质取决于其所含有的除碳以外的一种或多种元素，如镍、铬、锰、钼、钨、硅、钒和铜。
Established a method determining the content of trace elements copper, zinc, manganese, lead, chromium, calcium, nickel of haematitum and red ore by FAAS.
建立火焰原子吸收光谱法用于测定矿物药赭石和红矿中微量元素钙、铜、锌、锰、镍、铬、铅的含量的方法。
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