Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.
方法用石油醚提取脂肪油并甲酯化，采用毛细管气相色谱-质谱联用技术对其进行分析鉴定。
The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).
并通过傅里叶变换红外光谱（FTIR）、核磁共振谱图（1HNMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.
带自动进样器的气相色谱-质谱联用仪（GC-MS），分流/不分流进样，可编程的柱箱和可以进行离子选择监测。
The liquid products were detected by gas chromatograph-mass spectrometer (GC-MS).
采用气相色谱-质谱联用仪对液体产物进行了分析。
METHODS The volatile oil was extracted from Ligustrum lucidum Ait of Gansu by steam distillation, and its ingredients were isolated and identified by gas chromatography-mass spectrometer (GC-MS).
方法采用常规水蒸汽蒸馏法对甘肃天水产女贞子提取挥发油，用气相色谱质谱联机进行分离鉴定。
Methods The quantity of elements in the cell culture medium was measured by inductively coupled plasma mass spectrometer (ICP-MS).
方法本实验用电感藕荷等离子质谱仪（ ICP -MS）定量测定金属离子浓度。
However these more complex samples can rapidly degrade the gas chromatograph (GC) and mass spectrometer (MS) performance.
然而，这些更复杂的样品会迅速降低气相色谱(GC)和质谱仪(MS)的性能。
However these more complex samples can rapidly degrade the gas chromatograph (GC) and mass spectrometer (MS) performance.
然而，这些更复杂的样品会迅速降低气相色谱(GC)和质谱仪(MS)的性能。
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