thin-layer plate densitometry

例句：

1. 1. The thin-layer plate densitometry method is used to analyze the chemical composition of the sample.
   薄层板密度测定法用于分析样品的化学成分。
2. 2. The results obtained from the thin-layer plate densitometry analysis were consistent with thosefrom the other methods.
   从薄层板密度测定法得到的分析结果与其他方法的结果一致。
3. 3. In this study, we used the thin-layer plate densitometry technique to detect trace elements in the soil samples.
   在本研究中，我们使用薄层板密度测定法检测土壤样本中的痕量元素。