gas chromatogram的用法和样例：
例句
- Using this test chromatogram and spectrogram of fatty acid in healthy liver and liver cancer were established.
本实验得出了人体正常肝组织及肝癌组织脂肪酸的色谱图及质谱图。 - Pyrolytic gas chromatography was used in the study of classification of heroin by the hierarchical clustering of pyrolytic cracking chromatograms.
采用系统聚类法对海洛因样品裂解谱图进行分类研究。
