mass spectrograph

The paper introduces the basic principle, constitutes and classify of Mass spectrograph, and mainly reviews the application of food analysis in injurant and toxicant.

本文对质谱技术进行了简要的介绍，并就此技术在食品中有毒有害物质的分析方面的应用进行了综述。

The characteristics and kinetic modeling of carbon isotope of methane in Jurassic humic gas in Kuqa depression in Tarim basin have been studied by combining pyrolysis experiment in closed gold tube system and analysis of methane isotope with GC-IRMS isotope mass spectrograph.

应用黄金管封闭体系热解实验，结合GC IRMS同位素质谱仪的甲烷碳同位素分析，研究了塔里木盆地库车坳陷侏罗系煤生成甲烷的碳同位素特征及其动力学模拟。

In the mass spectrograph the ions are focused onto a photographic plate.

在质谱仪中,离子聚焦在感光板上.

There are many types of mass spectrograph, such as quadrupole mass spectrograph, ion trap mass spectrograph, time-of-flight mass spectrograph, etc.

质谱仪器的种类繁多，譬如四极杆质谱、离子阱质谱、飞行时间质谱等。

Auxiliary signal generator ( AC) is a part of many control circuit of ion trap mass spectrograph.

辅助信号发生器（简称AC）就是离子阱质谱众多控制电路中的一部分。