采用气相色谱-质谱（GC-MS）分析技术，选择离子检测法（SIM），开发出一种准确可靠、灵敏度高的测定奶粉及奶制品中三聚氰胺的新方法。
A new method for determination of melamine in milk powder and milk products by gas chromatography-mass spectrum with selected ion monitor(GC-MS/SIM) was established in this paper.
挥发油的化学成分。 方法用气相色谱-质谱（GC/ MS）联用技术，应用峰面积归一化法测定各组分的相对含量。
Methods The chemical components of volatile oil were analyzed by gas chromatography-mass spectraphy (GC/MS), and their relative contents were determined by peak area normalization.
就质谱技术在多糖结构测定中的应用进行论述。
The application of mass spectrograph to the amylose structure analysis was reviewed.
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