nickel iron chromium的意思|示意

When this occurs, the chromium (Crn+) separates from the surface and opens the way for oxidation of the iron (Fe) and nickel (Ni), lower in the metal lattice.

当出现这种情况时候，铬（Crn+）就会和表面分离，将材料筛格下层的铁（Fe）和镍（Ni）暴露氧化。

Minerals are chromium, copper, nickel, iron, asphalt, coal and petroleum.

矿藏有铬、铜、镍铁、沥青、煤、石油等。

Examples of metal alloys include stainless steel which is an alloy of iron, nickel, and chromium; and gold jewelry which usually contains an alloy of gold and nickel.

金属合金的例子有：不锈钢是一种铁、镍、铬的合金，以及金饰品通常含有金镍合金。

ALLOY steel: a steel containing iron and carbide plus one or more other metals such as nickel, chromium, or molybdenum.

合金钢：指钢中含有铁，碳，以及镍、铬、钼等一种或多种其他的合金元素。

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。

Underground deposits of lead, zinc, cryolite, chromium, coal, tungsten, molybdenum, iron, nickel, uranium and oil resources, which has basically taken cryolite end.

地下蕴藏铅、锌、冰晶石、铬、煤、钨、钼、铁、镍、铀和石油等资源，其中冰晶石已基本采完。