The GC-MS analysis also shows a declination of heavy normal alkane in the degraded oil.
通过气相色谱分析,发现原油中烷烃组分发生变化,正构烷烃碳数分布曲线向轻组份方向移动。
The GC-MS analysis showed that the strain has a great degradation capacity to diesel oil.
经gc - MS分析可知,该菌种对柴油有很好的降解能力。
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。
According to the result of GC-MS analysis, A-1, E-2 and mixed bacteria made the composition of crude oil changed obviously.
通过色谱-质谱联用分析了菌株a - 1, E - 2及三种不同菌株混合后,对原油组分变化的影响。
Garlic plant volatile was extracted by steam distillation under reduced pressure, and the chemical components were determined by GC-MS analysis.
采用减压水蒸气蒸馏法提取出蒜苗挥发物,用GC - MS法分析鉴定其化学成分。
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。
Several sample preparation and pretreatment techniques in GC-MS analysis were reviewed. The trends in the development of these methods were also discussed.
综述了气相色谱-质谱联用仪分析样品的几种前处理技术,并对今后样品制备与前处理技术进行了展望。
In GC-MS analysis, 9 major constituents accounting for 86.1% of the total essential oil, of which methyleugenol (22.9%) was the most, followed by safrole (19.8%).
结果表明:有9种含量大于1%的化学成分占北细辛挥发油总量的86.1%,其中甲基丁香酚含量最高(22.9%),其次为黄樟醚(19.8%);
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 component's distribution of bio-oil, which was produced from Fraximus mandshurica by flash pyrolysis in a fluidized bed reactor, was determined by GC-MS analysis.
结合色质联机技术分析了由流化床热裂解水曲柳获得的生物油主要组分的分布。
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。
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。
MethodsBy steam distillation and GC-MS analysis methods, chemical compounds were analyzed qualitatively using relative reservation index, and analyzed quantitatively by area normalization.
方法通过水蒸气蒸馏,利用GC-MS进行分析,采用相对保留指数对化合物进行定性,用峰面积归一化法进行定量。
The results showed that the dewatered ionic liquid could still catalyze the alkylation, and the carbonium mechanism was established through the GC-MS analysis of the reaction liquid product.
结果表明,脱水后的离子液体仍然可以催化烷基化反应,液体产物的GC - MS分析结果支持正碳离子机理。
GC MS analysis indicated that the method is feasible.
MS分析表明,该方法是可行的。
The human body odor can also been analysis by Electronics nose and gas chromatography mass spectrometry(GC/MS).
电子鼻、气相色谱质谱等化学分析仪器也可用于人体气味的检测分析。
The steam volatile of the reaction flavor and flavoring rice was determined by GC MS analysis.
同时对该反应型香料和增香米的顶空气体进行了GC MS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GC MS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。
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 showed that the main metabolite of quinoline biodegradation is 2 hydroxy quinoline.
利用GC MS技术分析了喹啉降解过程,其主要的中间产物为2羟基喹啉。
In the study of the synthesis of these compounds we found the exist of desilylation reaction and by means of GC MS analysis the probable mechanism for the desilylation was proposed in this paper.
在合成这些化合物的研究中,发现了“脱硅反应”的存在,并通过GC - MS分析提出了脱硅反应的可能机理。
By gas chromatography, infrared spectrum and GC - MS quantitative and qualitative analysis, cyclopentanol was con firmed as the purposive product and it was more than 99% in content after separation.
对产物进行气相色谱、红外光谱、GC - MS定性定量分析,确认目的产物为环戊醇,经分离目的产物环戊醇含量大于99%。
Volatile organic acids and nonvolatile organic acids from the dry ice expanded tobacco were determined by derivation of organic acids and GC MS analysis.
把烟草中的有机酸衍生化后,用GC MS分别分析了烟丝干冰膨胀前后挥发性有机酸和非挥发性有机酸的含量。
GC - MS analysis indicates that 2 - HBP and dibenzothiophene sulfone (DBTO2) simultaneously exist in the metabolite.
气相色谱-质谱联用分析结果表明,DBT代谢产物中同时存在2 -HBP和二苯并噻吩砜(DBTO2)。
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。
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。
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。
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 products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.
反应结束后反应液经过真空蒸馏后得到产物,并通过GC - MS进行定性和定量分析。
The products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.
反应结束后反应液经过真空蒸馏后得到产物,并通过GC - MS进行定性和定量分析。
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