你当然可以使用昂贵笨重的气相色谱分析法——但是哈佛的研究者现在开发出了一套你可以装进口袋里的仪器。
You could use an expensive, bulky gas chromatograph-but Harvard researchers have developed an instrument you can carry in your pocket.
对它们的分离一直以来都在研究，传统的方法有凝固点法、气相色谱法，但是分离效果均不理想。
The separation of them is studied all the while. Traditional methods include freezing point and gas chromatography, But the effect of separation is not so good.
研究了拜尔法生产氢氧化铝过程中，用溶剂浮选-气相色谱法测定结晶助剂有效成分硬脂酸钠的方法。
A solvent flotation-gas chromatography for the determination of sodium stearate in sodium aluminate solution in aluminium hydroxide production by the bayer process was studied.
目的建立毛细管气相色谱法同时测定止痒灵中苯酚和薄荷脑的含量。
Objective to establish a capillary gas chromatography for determining the contents of phenol and menthol in itch relief agent.
针对疑似含有甲缩醛的车用汽油样品，常见分析方法有红外光谱法，气质联用法，多维气相色谱法。
For suspected of containing methylal car with gasoline samples, the common analysis methods with infrared spectroscopy, temperament spectrometry, multidimensional gas chromatography.
并用气相色谱法对制剂中肉桂醛和薄荷醇进行定量测定。
And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.
最后，应用分光光度法或气相色谱进行准确定量。
Finally, spectrophotometry or GC is applied for accurate quantification.
摘要目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
结果用改良的薄层层析法分析多糖的单糖组成，得到清晰的图谱，与气相色谱法结果一致。
Results Distinct figures indicating the monosaccharide composition of polysaccharides obtained by the modified TLC were well consistent with those from GC method.
应用离子色谱法、GC-FTIR联用法、气相色谱法对相关气室的气体进行了分析。
The gas in the gas chambers concerned are analyzed by ion chromatography, GC-FTIR method, and gas chromatography.
与常规培养法比较，气相色谱技术具有速度快、精确度高、标本用量少等特点。
In contrast with conventional methods, gas chromatography technique exhibits its great speed, higher accuracy and less quantity of samples.
采用氢火焰极性毛细管气相色谱法代替原来的填充柱法，测定空气和废气中的异丁醇。
Using the hydrogen flame polar capillary vessel gas phase chromatography to replace the original packing column method, isobutyl alcohol in waste gas was determined.
同时又应用气相色谱归一化法计算其各成分含量。
The content of each constituents was determined by area normalization method.
本文介绍了三氮苯类除草剂-赛克津的气相色谱法和高效液相色谱法的分析方法。
The analysing methods of a triazine herbicide, metribuzin, by gas chromatography and high performance liquid chromatography are introduced in this paper.
重点介绍液上气相色谱法与基团贡献法。
Headspace gas chromatography method and group contribution method are emphatically introduced.
采用程序升温气相色谱法和氢火焰离子化检测器，对土壤中15种农药的残留量进行检测，该法简便、快速。
The amounts of 15 kinds of pesticide residues in soil were determined by gas chromatography of programing temperature with FID detector. The method is simple and rapid.
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.
利用气相色谱浓缩法和气相色谱直接法测定液氧中乙炔及其他碳氢化合物含量。
The content of acetylene and other hydrocarbon in liquid oxygen measured by gas chromatogram has gas chromatogram concentrate method and direct method.
采用气相色谱-质谱（GC-MS）分析技术，选择离子检测法（SIM），开发出一种准确可靠、灵敏度高的测定奶粉及奶制品中三聚氰胺的新方法。
A new method for determination of melamine in milk powder and milk products by gas chromatography-mass spectrum with selected ion monitor(GC-MS/SIM) was established in this paper.
近年来，已有一些关于烟草生物碱检测方法的报道，它们包括气相色谱，液相色谱和毛细管电泳法等。
In recent years, some determination methods of tobacco alkaloids were reported, including gas chromatography, high-performance liquid chromatography and capillary electrophoresis etc.
本文采用了气相色谱、色质联用及核磁共振法等分析方法对六氟丙酮水合物进行系统的研究。
A systematic study of hexafluoroacetone hydrate has been carried out by introducing gas chromatograph, mass spectroscopy and nuclear magnetic resonance spectroscopy.
目的：建立海洋滩涂沉积物环境中三唑磷残留的毛细管气相色谱-质谱联用检测法。
Objective:To establish a sensitive analytical method for detection of triazophos residues in marine shoal mud using capillary gas chromatography-mass spectrometry.
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油，并用气相色谱-质谱法分析了其化学成分。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
采用水蒸气蒸馏法从巴旦木杏仁中提取挥性化学成分，用气相色谱-质谱法对化学成分进行鉴定。
The volatile chemical components extracted from the almond of Prunus amygdalus Stokes was abstracted by steam-stilling and analyzed by GC-MS method.
采用顶空固相微萃取气相色谱质谱（HS SPME GC/MS）法分析饮用水中的发霉气味。
The HS SPME GC/MS method was applied to analyzing odors in drinking water.
采用顶空固相微萃取气相色谱质谱（HS SPME GC/MS）法分析饮用水中的发霉气味。
The HS SPME GC/MS method was applied to analyzing odors in drinking water.
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