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。
This paper stated the separation and analysis of unsaponifiable matters which including sterols, 4-methyl sterols and triterpene alcohols in hemp seed oil with TLC and GC.
采用薄板层析、气相色谱对大麻籽油中甾醇、4-甲基甾醇及三萜醇等不皂化物的成分进行了分离和分析。
CONCLUSION the satisfactory results are obtained by GC MS analysis and it can be used to study the inhibition of antifungal agents on sterol biosynthesis with the shift in sterol composition.
结论GCMS分析获满意的效果，可对抗真菌药物阻断真菌麦角甾醇合成通路所引起各甾醇组分的含量变化进行研究。
Comparing with the testing results of the classic methods, the feasibility and practicability of analysis of ester in triacetin by using GC-MS is explored in this paper.
本文采用气相色谱-质谱法分析检测三乙酸甘油酯的酯含量，并对照用经典方法检测的结果，探索用气相色谱-质谱法检测三乙酸甘油酯的酯含量的可行性和实用性。
Using GC method for quantitative analysis of borneol in Zhenshiming eye drops with SE-54 capillary column, FID as the detector.
选择SE-54毛细管柱、FID检测器；以水杨酸甲酯为内标物，采用内标法测定珍视明滴眼液中冰片的含量。
Jasminum sambac Ait has fresh Jasmin flower smell. This paper analysis it with GC/MS, Linalool and the other forty three chemical constituents have been found.
利用GC/MS 仪器分析小花茉莉净油，共鉴定出芳樟醇等四十四种化学成分，为调配烟用香精提供了有效的参考数据。
Among these components, 17 of which were identified as benzene carboxylic acids and phenolic acids by using GC-MS analysis and by comparing with authentic compounds.
其中17个组分经色谱-质谱分析，并用标准化合物进行对照，确定是多元苯羧酸类和酚酸类化合物。
The four purified squalene synthase used to catalyzed the substrate FPP. Then the catalysate squalene were detected by GC-MS analysis method with the 18.44 retention time (RT).
纯化后的4个鲨烯合酶分别以FPP为底物进行体外催化反应，产物经GC-MS分析在保留时间（RT）为18.44可检测到鲨烯。
In order to improve qualitative analysis of GC-MS, the method of GC-MS analysis unifying with craft and understanding the reaction mechanism is presented.
C - M S的分析必须和工艺相结合，只有对反应机理有充分的认识，才能更好地做好GC - MS的定性工作。
The analysis demonstrated that 40 main components were revealed with GC-MS and 32 of which were identified, up to 91.48 percent.
气相色谱-质谱法分析表明，挥发性成份主要含40种化合物，对其中32种成分进行了鉴定，占整个挥发性成分含量的91.48％。
Using GC method for quantitative analysis of borneol in Zhenshiming eye drops with SE-54 capillary column, FID as the detector.
选择SE-54毛细管柱、FID检测器；以水杨酸甲酯为内标物，采用内标法测定珍视明滴眼液中冰片的含量。
Methods:Qualitative analysis by GC method of double column and quantitative analysis by peak area percentage of camphor together with borneol.
方法：以气相色谱双柱法定性，以供试品中樟脑冰片峰面积百分比定量。
Methods:Qualitative analysis by GC method of double column and quantitative analysis by peak area percentage of camphor together with borneol.
方法：以气相色谱双柱法定性，以供试品中樟脑冰片峰面积百分比定量。
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