Aim To study the fingerprint of Ezhu by GC-MS.
目的研究中药莪术的GC - MS指纹图谱。
The purity and structure of the product was examined by GC GC-MS and NMR.
产品纯度和结构由气相色谱、气质联用仪及核磁共振仪确定。
The fatty acids composition of seed oil were separated and identified by GC-MS.
采用气相色谱-质谱（GC-MS）联用技术对橘核脂肪酸组成进行了分析和鉴定。
Top note compounds of Laozao were analyzed by using headspace sampler and GC-MS.
采用顶空自动进样、气相色谱-质谱联用的方法分析醪糟的头香成分。
Methods: To comparatively study the lipophilic compounds by GC-MS in pummelo peel.
方法：以气相色谱-质谱联用法进行比较研究。
In the second phase, GC-MS is employed for further testing of those suspicious samples.
第二阶段使用气质联用对可疑样本进一步检测；
METHOD In vitro susceptibility test on tuberculosis bacteria and GC-MS technique were used.
方法体外结核菌药敏试验和气相色谱-质谱联用技术（ GC-MS）。
Custom gas chromatogram and GC-MS analysis were adopted to analyze and determine the products.
采用常规色谱检测和GC - MS联用仪分析确定反应产物。
The aromatic components of fresh litchi and dried litchi was studied by SPME and GC-MS in this paper.
利用固相微萃取(SPME)、GC - MS研究荔枝鲜果，半干型荔枝干以及焦化的荔枝干的香气成分。
OBJECTIVE To analyze the chemical components of the essential oil from fructus amomi rotundus by GC-MS.
目的用气相色谱-质谱法对豆蔻仁挥发油进行化学成分的分析。
The GC-MS method for detection diaminomethylbezen in complex for food packaging material was established.
建立复合食品包装袋中二氨基甲苯气相色谱-质谱测定方法。
The present research analyzed the structure of the condensation products of aniline with acetone by GC-MS.
本文利用GC-MS对苯胺与丙酮缩合反应的产物进行了结构分析。
ObjectiveThe chemical constituents of the essential oil from Cacumen Platycladi in Xinjiang were analyzed by GC-MS.
目的用气相色谱-质谱联用（GC-MS）法对新疆地产侧柏叶挥发油成分进行分析。
The chemical constituents of essential oil of Nanguoli pear with ultrasonic extracting was analyzed with GC-MS method.
采用超声波提取南果梨挥发油，利用GC/MS法分析其化学成分及相对百分含量。
In this paper, 29 pesticides in 17 sorts of vegetable matrices were collected for the study of matrix effects by GC-MS.
选择17种蔬菜基质对29种农药在气相色谱-质谱测定过程中的基质效应进行研究。
Aroma components in durian were obtained by solvent extraction, purge and trap technique separately, and analyzed by GC-MS.
报道了通过溶液萃取和吹扫-捕集，对榴莲的香气富集浓缩，并用GC - MS分析。
The degradation products of benzophenone are analyzed by GC-MS. A possible reaction pathway is proposed based on the analysis.
通过色质联机GC - MS对降解产物进行了分析，并在此基础上提出了二苯甲酮的可能氧化路径。
The melting point, structure, purity and thermal degradation behavior of the product were investigated by DSC, FTIR, GC-MS and TGA .
用DSC、FTIR、气相色谱-质谱联用以及TGA分别对产物的熔点、结构、纯度和热稳定性进行了表征。
With gas chromatographic and mass spectrum (GC-MS) analysis technology, the chemical composition of biomass tar and its distillations were analyzed.
主要采用色谱-质谱联机(GC - MS)成分分析法对生物质焦油及其馏分试样进行成分分析。
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。
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 GC-MS composition analysis indicated that there were significant differences between surface extraction and inside extraction in quality and quantity.
MS分析显示：烟叶表面二氯甲烷萃取物和叶内萃取物在化学成分方面存在质和量的差异。
Methods: The concentrations of ergosterol and lanosterol in Candida albicans before and after cultured with TTS-12 were determined quantitatively with GC-MS.
采用气相色谱-质谱法测定白念珠菌经TTS-12作用前后麦角甾醇、羊毛甾醇的含量。
By using biomarker GC, gc-ms analysis techniques, the geochemical characters of steranes and hopanes from crude oils of Tahe oil field were investigated in this paper.
运用生物标志物色谱质谱技术，对比研究了塔河油田各油区原油生物标志化合物中甾、藿烷系列化合物特征。
Volatile compounds in tomato juice have been detected by TCT-GC-MS from the concentrate juice using the methods of nanofiltration, freeze concentration, vacuum evaporation and ultrafiltration.
运用TCT GC MS联用仪检测纳滤浓缩、冷冻浓缩、真空蒸发浓缩以及超滤澄清处理对番茄汁挥发性成分的影响。
Methods The main fatty acid in vegetable oils was determined using GC - MS and qualitative test of oils was done using national standard method.
方法采用气相色谱-质谱法测定植物油样品中的主要脂肪酸含量，应用国标方法进行油脂定性试验。
Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.
然后采用GC/MS对各个馏份进行定性、定量分析，考察了主要物质在不同温度区间的分布情况。
GC MS analysis indicated that the method is feasible.
MS分析表明，该方法是可行的。
GC MS analysis indicated that the method is feasible.
MS分析表明，该方法是可行的。
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