本研究针对东方甜瓜香气活性物质鉴定技术不足的问题，采用HS-SPME结合GC?×?GC-O-TOF-MS和GC-MS技术，结合AEDA、香气重组与缺失实验，系统分析LONG4（果香型）和ZHCG（青瓜香型）的挥发性成分差异。研究发现124种挥发性物质中32种具有香气活性，其中8种酯类物质主导LONG4的果香特征，7种醛醇类物质决定 ...

为分析可气相色谱化合物，研究人员开展了关于全二维气相色谱 - 质谱联用技术（GC×GC-MS）的研究。该研究探讨了其原理、优化方法、仪器和数据处理工具等方面，为该技术的应用和发展提供了全面指导，对相关领域意义重大。

Gas chromatography–mass spectrometry (GC-MS) GC-MS is a useful method for identifying the binding medium used to hold all the pigments together.

This course provides a complete training solution enabling you to understand your Gas Chromatograph or GC-MS instrument, develop applications, troubleshoot & maintain it. This course has been approved ...

Analysts interested in quantifying volatile organic compounds or pesticides in liquid samples should consider using the gas chromatography - mass spectroscopy (GC-MS) system. The gas chromatography ...

GC Strategies was hired to work on three other Canada Border Services Agency projects as it was working on the controversial ArriveCan app.

Perhaps the combination of two senior legal advisers quitting in disgust would have made a difference. But, ultimately, it was only Ms Wilmshurst who had the bravery to quit on principle.

A bill to advance school choice in the Mississippi House would have likely died in committee had there been a rollcall vote.