1·This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
介绍了用热的浓硫酸处理废硬质合金，回收金属钴和碳化钨的方法。
2·The hard phases in alloy cast irons are mainly phosphor eutectics, alloy carbide and alloy nitride according to different component of the cylinders.
合金铸铁缸套中的硬质相主要为磷共晶和合金碳化物、氮化物等。