speiss
n. [冶] 黄渣;硬渣
例句
Smelting is essentially a melting process in which the components of the charge in the molten state separate into two or more layers which may be slag, matte, speiss or metal.
熔炼基本上是一个熔化过程,在此过程中炉料的组元在熔融状态下分解为两层或多层,这些层次可以是熔渣、冰铜、黄渣或金属。