Pure water is taken as blank reagent (control) based on the result of GC-MS test;
根据GC-MS测定分析的结果，决定选纯净水作为本文实验的空白试剂。
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。
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）。
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