方法：采用物理及化学方法提取有效成分并用薄层色谱法进行鉴别。
Methods: The effective constituents was extracted by physical and chemical ways and identified by TLC.
将现代化学分析领域中重要的分析手段——裂解气相色谱法应用于对杨木快速裂解过程机理的研究。
The mechanism of poplar-wood flash pyrolysis was studied by pyrolysis gas chromatography that is an important analytical method in the modern analytical chemistry field.
对EBC法、气相色谱法和化学发光法测定啤酒中的双乙酰含量进行了优化和比较。
The measuring methods for diacetyl content in beer including EBC method, GC method and chemical radiation method were optimized and compared.
微量元素硫的分析方法有化学法和电化学法、色谱法、XPS等仪器方法。
The microanalytical method of elemental sulfur include chemical method and instrumental method such as Electrochemical analysis, Chromatography, XPS et.
采用高效液相色谱法，对SO3的干粉和盐水制剂在不同温度下的化学稳定性作了比较。
With HPLC, we make a comparison of the chemical stability between SO3 powder and Salt preparation at different temperature.
采用微量化学方法和固相萃取技术，建立了气相色谱法简单、快速、准确地测定荞头中甲胺磷农药残留量的方法。
A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.
方法： 高效液相色谱法和化学分析法。
方法：色谱法和光谱技术分离鉴定其化学成分。
Method:Chromatography and spectral analysis were used to isolate and elucidate the constituents.
本研究使用色谱法从黄鹌菜中分离得到了8个化合物，并通过物理、化学以及波谱法鉴定了7个化合物。
The article separates 8 compounds to use the stratography, and adopt physics and chemistry and spectrum methods to identify 7 compounds.
方法：化学法和薄层色谱法。
用凝胶色谱法估测了其分子量、用化学滴定法和红外光谱法测定了其水解率。
Molecular weight was obtained by GPC, hydrolyzed ratio was determined by neutralization titration and infrared spectrometry.
一旦DNA包裹目标纳米管，标准的化学技术(如色谱法)可从复合物中高效地分离出这些纳米管。
Once the target nanotubes are enveloped with the DNA, standard chemistry techniques such as chromatography can be used to separate them from the mix with high efficiency.
有关散装化学药品的正文通常引证三种纯度测试的其中一种：（1）具有非专属性分析的色谱法纯度检查；
Monographs on bulk pharmaceutical chemicals usually cite one of three types of purity tests:(1) a chromatographic purity test coupled with a nonspecific assay;
方法采用高效液相色谱法对样品进行分析，获得反映样品整体化学特征的数据，利用聚类分析进行分类。
Methods The chemical variables as a whole were obtained by HPLC; the classification was carried out by using the hierarchical clustering analysis.
方法采用化学鉴别方法进行快速筛查，并用薄层色谱法进行进一步确认验证。
Methods Identification by chemical methods to rapid screening, and further verification by TLC.
目前甲醛检测方法主要有分光光度法、电化学检测法、色谱法、电化学传感器法等。
Currently the main formaldehyde detection methods are spectrophotometry, electrochemical detection, chromatography and electrochemical sensors.
化学研究中，气相色谱法是一种非常重要的快速分离工具。
Gas chromatography is an important tool for rapid chemical separations in nuclear and Radiochemistry.
用薄层色谱法作定性鉴别；配位滴定法作化学药硫酸镁的含量测定。
Methods the qualitative identification was conducted by TLC, the content of MgSO4 was determined by Complex-formation titration.
结论本方法可以作为高效液相色谱法分离检测止咳平喘类中成药掺入化学药品的方法。
Conclusion HPLC can be used as the method of separation and detection of cough and asthma medicines mixed with chemicals.
采用SE - 5 4化学键合毛细管柱二阶程序升温，用气相色谱法分析了不同原油中饱和烷烃含量及组成。
Components of saturated alkanes in different crude oils were analyzed by gas chromatography using SE-54 chemically bonded phase capillary column and two step programmed temperature.
方法：柱色谱法分离其成分，利用光谱数据确定其化学结构。
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
方法：柱色谱法分离其成分，利用光谱数据确定其化学结构。
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
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