本文采用了气相色谱、色质联用及核磁共振法等分析方法对六氟丙酮水合物进行系统的研究。
A systematic study of hexafluoroacetone hydrate has been carried out by introducing gas chromatograph, mass spectroscopy and nuclear magnetic resonance spectroscopy.
采用GC- MS色质联用归一化峰面积计算方法，对原料绿茶样品和制成的普洱茶样品进行挥发性成分比较检测。
The GC-MS peal area calculation method was adopted to test the volatile aroma components in raw green tea samples and produced Pu-Er tea samples.
采用热重、红外、13c固体核磁、元素分析、色质联用、程序升温氧化法等手段对催化剂上的焦炭和液相产物中的焦炭前驱体进行了考察。
The coke and its precursors were characterized by TGA, FT-IR, solid-state 13c NMR, elemental analysis, GC-MS, and temperature-programmed oxidation (TPO) analysis.
用DTA和TG研究了碱土金属苯甲酸盐在氮气气氛中的热分解过程 ，并用红外光谱、色 -质联用表征了热分解产物。
The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer.
用DTA和TG研究了碱土金属苯甲酸盐在氮气气氛中的热分解过程 ，并用红外光谱、色 -质联用表征了热分解产物。
The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer.
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