The heavy calcium carbonate powder added could react with Mo element into CaMoO4,and change the mole ratio of Cu-Mo-S intricate compound,copper sulfide and molybdenum carbide.

• 另外,双飞粉的加入不仅与材料中的Mo元素作用形成CaMoO4,并且改变了铜钼硫化合物、Cu的硫化物以及Mo的碳化物中各元素的摩尔比。