Determination of benzene and toluene in gasoline by two-dimensional gas chromatography and capillary column Determination of Dibenzothiophene by Using Solid Phase Micro-extraction Coupled to High Performance Liquid Chromatography 采用二维气相色谱及毛细管色谱柱分析汽油中苯和甲苯的含量固相微萃取-液相色谱法测定水中二苯并噻吩
Detection of TNT in explosive residues by two-dimensional gas chromatography 二维气相色谱检测爆炸残留物中TNT
The thermodynamic properties of two-dimensional Bose gas in the q distribution Coherent atom-trimer conversion in a repulsive Bose-Einstein condensate q分布下二维玻色气体的热力学性质量子超化学中的类双缝干涉:玻色-爱因斯坦凝聚原子-三聚物相干转化
Influence of Surface States on Two-Dimensional Electron Gas in AlGaN/ GaN Heterostructure 表面态对AlGaN/GaN异质结构中二维电子气的影响
Analysis of trace alkynes in mixed C_4 fractions by two-dimensional gas chromatography 二维气相色谱技术分析混合碳四馏分中微量炔烃
Spin Properties of the Two-Dimensional Electron Gas in Al_xGa_ ( 1-x) N/ GaN Heterostructures AlxGa(1-x)N/GaN异质结构中二维电子气的自旋性质
Two-Dimensional Gas Chromatography-Time of Flight Mass Spectrometry Analysis of Tobacco Flavor 烟用香精的全二维气相色谱-飞行时间质谱定性分析
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 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
Principles, Methods and Applications of Comprehensive Two-Dimensional Gas Chromatography 全二维气相色谱的原理、方法及应用概述
A model of three-dimensional asymmetric square potential well is given, and some properties of the two-dimensional electron gas in semiconductor quantum well are studied the quantum energy level and Fermi energy are obtained, and discussed. 利用提出的三维不对称方势阱模型,对半导体量子阱中二维电子气的性质进行了研究,确定其量子能级和费米能量,并对有关结果进行了讨论。
Two-dimensional electron gas density and electron mobility are two important factors which affect the power performance of InP PHEMT devices. 电子迁移率(μn)和二维电子气(2-DEG)面密度(ns)是影响InPPHEMT器件功率性能的两个重要因素。
The valence band structure of p-type heterostructure quantum well and two-dimensional hole gas are calculated by this method and the reduced finite difference calculation. 使用这种方法和简化的有限差分算出了p型半导体量子阱的价带结构和二维空穴气。
Determination of Aromatics in Light Petroleum Products by 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
Transport properties of two-dimensional electron gas ( 2DEG) are crucial to metamorphic high-electron-mobility transistors ( MM-HEMT). 在变缓冲层高迁移率晶体管(MMHEMT)器件中,二维电子气的输运性质对器件性能起着决定作用。
High resolution calculation of unsteady, two-dimensional nonequilibrium gas dynamics with experimental comparisons 二维非定常化学非平衡流动高精度数值模拟及其与实验的比较
The two-dimensional electron gas with high density formed at AlGaN/ GaN heterostructure screens the impurity scattering and increases the electron mobility. AlGaN/GaN异质结产生高密度的二维电子气,屏蔽了杂质和缺陷的散射,改善了低场输运性能。
Effects of Periodic Magnetic Field on the Thermal Transport Properties of Two-Dimensional Electron Gas 周期磁场对二维电子气热学输运特性的影响
A two-dimensional gas chromatographic method without valve_switching is described. 介绍一种无阀切换的二维气相色谱分析方法。
Dynamical phase transition and self-organized critical phenomena in the two-dimensional gas lattice model 二维格气模型中动力学相变与自组织临界现象
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. 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。
Experimental Investigation on Two-Dimensional Unsteady Gas Flow in an Exhaust Manifold 排气管中二维非定常流动的试验研究
In the model ESP& 801 two-dimensional gas chromatograph the total transfer can be performed by the adjustable supplemental flow in order to meet a demand for the quantitative analysis of 2~ floatation oil. 在ESP&801型二维气相色谱仪(样机)上,通过辅助气流的调节,实现了全切换,以满足对2~浮选油定量分析的要求。
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)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 method, which is especially suitable to separate volatilizable and semi-volatilizable samples. 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。
The detection of ultra-trace carbon monoxide in gases with FID two-dimensional gas chromatograph 用FTD二维气相色谱检测气体中超微量的一氧化碳
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. 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。
Separation Characteristics of Comprehensive Two-dimensional Gas Chromatography in Analyzing Petroleum Samples 石油样品全二维气相色谱分析的分离特性
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. 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。
Secondly, we study the stability of the topological superfluid phase in a trapped two-dimensional Fermi gas with spin-orbit coupling in a harmonic trapping potential. 然后,我们系统地研究了谐振势阱中的自旋轨道耦合的极化费米气体中的拓扑超流相的稳定性。
AlGaN/ GaN heterojunction has become a new hot spot in the present due to its high concentration of two-dimensional electron gas. AlGaN/GaN异质结由于其高浓度的二维电子气成为目前研究的新热点。