Trace arsenic and selenium in chromium-nickel alloy steel was determined by HITACHI Z-2000 atomic absorption spectrophotometer and relative experiment conditions were discussed.

采用日立公司Z - 2000原子吸收光谱仪对铬镍钢中痕量砷和硒进行测定并讨论相关的实验条件。

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Alloy steel, nickel plated, hermetically welded oil-proof, waterproof and anti-corrosion, suitable for all kinds of environments.

合金钢材料，表面镀镍，全密封焊接，防油、防水、耐腐蚀，可适用于各种环境。

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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。

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The Treasury plans to make the new coins from nickel-plated steel instead of the alloy, which has become more expensive as the price of copper has risen in recent years.

BBC: Treasury 'should foot coin change bill'