mass spectrometric thermal analysis

例句：

1. 1.The mass spectrometric thermal analysis is used to determine the chemical composition of materials.
   质谱热分析用于确定材料的成分。
2. 2.In this study, we conducted a mass spectrometric thermal analysis on the samples collected from the field.
   在这项研究中，我们对从现场收集的样本进行了质谱热分析。
3. 3. The results of the mass spectrometric thermal analysis were used to optimize the process parameters.
   质谱热分析的结果被用来优化工艺参数。