That iron carried with it a slew of iron-loving metals, including gold and platinum.
铁下沉的同时也带走了大量亲铁金属,包括金和铂。
2
Researchers at Los Alamos National Laboratory have developed a platinum-free catalyst in the cathode of a hydrogen fuel cell that uses carbon, iron and cobalt.
作为阴极氢燃料调查的新型催化剂,它是由碳、铁以及钴三种原料组成。
3
These are graphite, high silicon cast iron, lead silver alloy, platinum, and even scrap steel rails.