powder diffraction method

例句：

1. 1.The powder diffraction method is widely used in the analysis of crystalline materials.
   粉末衍射法在晶体材料分析中广泛使用。
2. 2. In this study, we used the powder diffraction method to determine the crystal structure of the sample.
   在本研究中，我们使用粉末衍射法来确定样品的晶体结构。
3. 3. The powder diffraction method provides a precise and efficient way to identify the crystal phases of materials.
   粉末衍射法提供了一种精确且高效的方法来识别材料的晶体相。