gasliquid chromatography

例句：

1. 1. Gas chromatography is a powerful tool for analyzing complex mixtures.
   气相色谱法是分析复杂混合物的有力工具。
2. 2. The gas chromatography method was used to identify the chemical composition of the sample.
   使用气相色谱法鉴定样品的化学成分。
3. 3. Gas chromatography has proven to be an effective technique for separating and identifying different compounds.
   气相色谱法已被证明是一种有效的分离和鉴定不同化合物的技术。