Ion mobility spectrometry ( IMS) is based on determining the drift velocities, which the ionized sample molecules attain in the weak electric field of a drift tube at atmospheric pressure. 离子淌度谱利用大气压下不同离子在电场中的运动速度不同来达到分离离子的目的。
Ion mobility spectrometry ( IMS) is a sensitive means for detection of trace volatile organic compounds. 离子淌度谱(IMS)是检测痕量挥发性有机化合物的灵敏方法。
The ion mobility spectrometer is highly sensitive and can be used for environmental monitoring and chemical reconnaissance. 离子迁移计的灵敏度很高,可以应用于环境监测和化学侦察。
Ion mobility isotope separation 离子迁移同位素分离
Progress in Ion Mobility Spectrometry 离子迁移谱研究进展
The Study of Experiment for Ion Mobility Spectrometry 离子迁移谱实验方法研究
Effects of Drift Tube Temperature on Ion Mobility Spectra 漂移管工作温度对离子迁移率谱的影响
Some theory research in the field asymmetric waveform ion mobility spectrometry was made. 针对目前国际上离子迁移谱技术研究向着利用离子迁移率随电场变化的非线性特性对不同离子进行分离即非对称场离子迁移谱技术,作了相应的理论研究。
Potential charge and ion mobility studies on oxide Surfaces 氧化物表面电位、电荷及离子迁移率的研究
The introduction of ion beam constraint and alternating gradient field focusing techniques in Ion Mobility Spectrometer ( IMS) are presents. 对利用离子迁移率(IonMobilitySpectrometer,IMS)方法在线检测毒品和爆炸物品进行了初步研究,设计了IMS仪器,并在设计中引入离子约束机制和直线加速交变梯度电场聚焦技术。
In this paper, we introduce the principle of the high-field asymmetric waveform ion mobility spectrometry ( FAMIS) technology and compare it with the traditional ion mobility spectrometry. 介绍了国外一种新型的气相离子检测技术&高电场不对波形离子迁移谱检测技术(FAMIS),详细地阐述了其基本工作原理,并与传统的离子迁移谱检测技术进行了对比。
The technical background and principle of Ion Mobility Spectrometry technique is introduced in the paper. 介绍动态离子分析技术的技术背景和原理。
Some main micro-processes of negative impulse corona, such as collision ionization, photoionization, electron and ion mobility, attachment etc. 本文建立的负极性冲击电晕的微观数学物理模型考虑了电晕发展的一些主要物理过程,例如电子碰撞电离、光电离、电子附着、正负电荷的迁移等。
Thirdly, ionization processes in IMS, namely the basic principle is introduced briefly. Lastly, the theory of ion mobility and resolution are considered. 简要介绍了IMS中离子的形成过程即IMS的基本原理,论述了IMS离子迁移率理论和仪器分辨率。
The results show that the ion mobility increases as temperature rises; the influence of water vapor on product ions was ( reduced) and the system resolution was enhanced at a higher temperature. 本研究在不同温度下进行了离子迁移率实验,结果表明,离子迁移率随温度的升高而增大,而提高工作温度可以减少水分子对产物离子的影响,有利于改善系统检测的分辨率;
This article introduced a gas testing system, briefly elaborating work principle of the ion mobility spectrometry, hardware component and software design. 介绍一个气体检测系统,简要阐述了离子迁移谱仪的工作原理和系统的硬件组成和软件设计。
Detection of Formaldehyde Using Ion Mobility Spectrometer with Laser Ionization Source 激光电离源离子迁移谱仪检测甲醛
The average drifting velocity of ion is directly proportional to the electric field intensity. The ion mobility is directly proportional to its average freedom time and inversely proportional to efficient quality. 离子的平均漂移速度和电场强度成正比,离子淌度与平均自由时间成正比,与有效质量成反比;
Ion mobility spectrometer has the potential for miniaturization and easy operation. 离子迁移谱仪在仪器微性化上有一定的潜力,同时容易操作和使用。
Ion mobility spectrometry and its applications in bio-analytical chemistry 离子迁移谱技术及其在生命分析化学中应用
Ion Mobility Spectrometry and Its Application 离子迁移率谱仪(IMS)及其应用
Study on ion mobility in the silver borophosphate glasses by using Auger electron spectroscopy 俄歇电子能谱研究银硼磷玻璃中的离子迁移性
High-Field Asymmetric Waveform Ion Mobility Spectrometry ( FAIMS) not only detect customizing gas rapidly in a complex environment, but also determine the detected signal accurately which would be displayed on the terminal LCD through digital. 高场非对称波形离子迁移谱仪不仅能在一个复杂环境对一些特定的气体快速检测,而且还能准确定量将所检测气体以数字方式显示在终端上。
Ion mobility spectrometry is an instrument for analyzing the composition by recording arrival times of different ions under a constant uniform electric field. 离子迁移谱仪是利用在均匀电场下不同离子到达收集板的时间不同来分辨待测物质成分的一种检测仪器。
Describe the realization of the principle of the gas detection sensor technologies and the Ion Mobility Spectrometry technology detailed. 详细说明了气体传感器检测技术和离子迁移谱技术的原理和实现。
FAIMS utilize the characteristic, which is nonlinear variation of ion mobility about different ions in the strong electric field, to achieve the separation and identification of ions. FAIMS sensitivity is high, core device is little and detecting time is short. FAIMS利用不同离子在强电场中离子迁移率非线性变化特性来实现离子的分离和识别,其具有灵敏度高、核心器件小、检测时间短等优点。
Effect of water vapor on the signal obtained from ion mobility spectrometry was analyzed through experiment results. 实验分析了空气中水蒸汽含量对离子迁移谱信号的影响。
The unit core components of IMS, ion mobility tube is designed, processed and assembled. 设计加工组装了IMS单元核心部件离子迁移管。
The ion mobility spectrometry ( IMS) is a new detection technology. It is convenient, fast and of high sensitivity. 近几十年来,离子迁移色谱(IMS)作为一种新兴的检测技术,凭借其便捷、快速和高灵敏度的特点,日益受到学者们的研究和关注。
By detecting the relationship between ion migration rate and electric field and measuring the reproducibility of ion mobility spectrometry, the performance of the main structure of IMS was verified. 通过测量离子迁移速率与迁移电场强度的关系以及离子迁移谱的重复性,对自行设计的离子迁移谱仪主体结构的性能进行了验证。