X-ray fluorescence analysis

例句：

1. 1.X-ray fluorescence analysis is a powerful tool for detecting trace elements in materials.
   X射线荧光分析是一种强大的工具，用于检测材料中的痕量元素。
2. 2.In the X-ray fluorescence analysis, the sample is exposed to X-rays and then the resulting spectrum is analyzed.
   在X射线荧光分析中，样品被暴露于X射线下，然后产生的谱线被进行分析。
3. 3. The X-ray fluorescence analysis was used to identify the presence of lead in the soil samples.
   X射线荧光分析被用来识别土壤样本中铅的存在。