zone recrystallization method

例句：

1. 1.The researchers developed a zone recrystallization method to improve the yield of their fertilizer.
   研究人员开发了一种区域重结晶方法，以提高他们的肥料产量。
2. 2.The process involves using a zone recrystallization method to separate different types of oil from the same crude oil.
   该过程涉及使用区域重结晶方法将原油中的不同类型油分离出来。
3. 3.The method is particularly useful for separating impurities in the final product, which can significantly improve the quality of the final product.
   这种方法特别适用于最终产品的杂质分离，这可以显著提高最终产品的质量。