solid zone refining

例句：

1. 1. In the solid zone refining process, the material is heated and then cooled rapidly to separate the solid from the liquid.
   在固体区域精炼过程中，材料被加热并迅速冷却以分离固体和液体。
2. 2. The solid zone refining method is used to remove impurities from crude oil before it isrefined.
   固体区域精炼方法用于从原油中去除杂质，以便进行精炼。
3. 3. The solid zone refining process has been shown to be more efficient than traditional methods for separating heavy metals from theirores.
   固体区域精炼过程已被证明比传统方法更高效地从矿石中分离出重金属。