cupellation

例句：

1. 2.
   金属的
2. 3.
   化学中的
3. 1. The copper ore was subjected to cupellation to extract the valuable metals.
   铜矿石经过冶炼提取有价值的金属。
4. 2. The process of cupellation is crucial for the purity of the final product.
   电解过程对最终产品纯度至关重要。
5. 3. Cupellation is a method used in chemical analysis to separate different elements by their electrical conductivity.
   电解是一种用于化学分析的方法，通过它们的电导性分离不同的元素。