全二维气相色谱

全二维气相色谱（GC×GC）是近年发展起来的一种高分辨率、高灵敏度的分离技术。

Comprehensive two-dimensional gas chromatography ( GC × GC ) is a new separation technology with high resolution and sensitivity developed in recent years .

全二维气相色谱（GC×GC）作为一种新的色谱技术，尤其适用于挥发、半挥发性复杂样品的分离。

Comprehensive two-dimensional gas chromatography ( GC × GC ) is a new method , which is especially suitable to separate volatilizable and semi-volatilizable samples .

建立了烟叶中挥发性、半挥发性碱性化合物组成研究的全二维气相色谱/飞行时间质谱（GC×GC/TOFMS）分析方法，并用所建立的方法对香料烟中碱性化合物进行了表征。

Comprehensive two-dimensional gas chromatography / time-of-flight mass spectrometry ( GC × GC-TOFMS ) has been applied for characterization of volatile and semi-volatile alkaline compounds in ori-ental tobacco leaf .

全二维气相色谱（GC×GC）提供了一个真正的正交分离系统。它把分离机理不同而又互相独立的两支色谱柱以串联方式结合组成二维气相色谱。

Comprehensive two dimensional gas chromatography ( GC × GC ) provides a true orthogonal separation system in which a modulator serially couples two columns containing dissimilar stationary phases .

用全二维气相色谱/飞行时间质谱（GC×GC/TOFMS）研究白酒中微量成分，并对我国主要传统香型白酒中微量成分进行了比较。

Full two-dimensional gas chromatography / time of flight mass spectrum ( GC × GC / TOFMS ) were applied in the analysis of microconstituents in liquor . Besides , the microconstituents in main liquors of traditional flavor were compared .

采用全二维气相色谱/飞行时间质谱（GC×GCTOFMS）法和GCTOFMS定性分析了烟草中挥发性、半挥发性酸性物质。

The volatile and semi-volatile acidic components in tobacco were analyzed qualitatively by ( comprehensive ) two-dimensional gas chromatography / time-of-flight mass spectrometry ( GC × GC / TOFMS ) and GC / TOFMS .

石油样品全二维气相色谱分析的分离特性

Separation Characteristics of Comprehensive Two-dimensional Gas Chromatography in Analyzing Petroleum Samples

烟用香精的全二维气相色谱-飞行时间质谱定性分析

Two-Dimensional Gas Chromatography-Time of Flight Mass Spectrometry Analysis of Tobacco Flavor

全二维气相色谱数据分析系统

A data processing system for comprehensive two - dimensional gas chromatography

全二维气相色谱的原理、方法及应用概述

Principles , Methods and Applications of Comprehensive Two-Dimensional Gas Chromatography

全二维气相色谱用于轻质石油馏分中芳烃含量的测定

Determination of Aromatics in Light Petroleum Products by Comprehensive Two-Dimensional Gas Chromatography

全二维气相色谱技术及其进展

Technique and Advance of Comprehensive Two - Dimensional Gas Chromatography

全二维气相色谱谱图基线校正方法的研究

Baseline Calibration of Comprehensive Two - dimensional Gas Chromatogram

建立了两种恒压模式下全二维气相色谱第二维死时间的测定方法。

Two methods to calculate the dead time of the second dimension were introduced .

全二维气相色谱与普通一维色谱对比，在重馏分油的芳烃组分分析上体现了极大优势。

The comparison with conventional method , gas chromatography coupled to mass spectrometry ( GCMS ), illustrated the obvious advantages of the method for heavy gas oil analysis .

方法溶剂提取，气相色谱－飞行时间质谱测定和分析其含量和结构。全二维气相色谱/飞行时间质谱用于复杂体系分析的方法学研究

Methods The chemical constituents were extracted by solvent and the relative content and structure of ferulic acid in RPC were determined and identified using GC-TOFMS technique . Methodology of Comprehensive Two-dimensional Gas Chromatography / Time-of-Flight Mass Spectrometry for Complex Sample Analysis