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1·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。

2·Methods The volatile oils compositions was detected with GC-MS.

方法采用GC - MS对挥发油进行成分分析。

3·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。

4·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。

5·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。

6·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。

7·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；

8·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）。

9·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。

10·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。