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- Parent [M+H](superscript +) ion was produced by splitting argon with anode gas ionization source. 监测极限、回收率、线性相关性、重现性等有效参数都得以侧定。
- Based on extensive research of literature, the feasibility of using ambient flame as ionization source of mass spectrometry is studied theoretically. 在文献调研的基础上,对常压火焰用做质谱电离源的可行性作了理论上的探讨。
- Detecting negative ions by thermal ionization mass spectrometer (TIMS) was one of the most important hot spots in the mass spectrometry field. 用热电离质谱仪检测负离子,因技术上的原因,一直是国际质谱界关注的热点问题之一。近几年来,在此领域的探索取得突破,发展迅速。
- Trace amount, a method for detect trace amount substance, such as toluene, using an ion mobility spectrometer equipped with a laser ionization source, is researched. 摘要以对痕量甲苯的检测为例，研究了以激光作为电离源的离子迁移谱对痕量物质进行检测的方法。
- The measurement method of the isotopic abundance ratios for the nanogram samarium was performed by Finnigan MAT 262-RPQ thermal ionization mass sepctrometer. 本文简介了使用Finnigan MAT 262热电离质谱仪对超微量钐天然同位素丰度比的精密测定。
- The fundamental principle of ion mobility spectrometry and the recent progress in ionization source,miniaturization,Chiral separation,tandem use with GC and MS were summarized. 简要介绍离子迁移谱的基本原理、离子迁移率理论,以及离子迁移谱仪的最新研究进展;
- Abstract The technique of Negative Thermal Ionization (NTI) and its applications to analyze various trace anions, as well as some measured results have been reviewed in this paper. 摘要 本文介绍负热电离技术及其在各种负离子分析中应用和某些测定结果。
- Electrospray-assisted laser desorption ionization (ELDI), a combination of electrospray ionization and laser desorption, is an ambient ionization source developerd in our laboratory. 摘要电喷洒辅助雷射脱附游离法是一种结合电喷洒游离法及雷射脱附游离法的新式大气压力游离法。
- The theory of thermal ionization mass spectrometry has been deeply discussed and the procedures for high-precision measurement of isotopes of lithium,indium and cerium have been established. 该成果对质谱中的热电离理论进行了较深入地讨论，建立了高精度质谱测定锂铟铈同位素的方法。
- A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation. 仪器采用了软电离方式,避免了碎片离子峰的形成,便于对污染环境中挥发性有机物的解析。
- atmospheric pressure thermal dissociation chemical ionization source 常压热解化学电离
- thermal ionization mass spectrometer 热电离质谱仪
- thermal ionization mass spectrometry 热电离同位素质谱
- field ionization source;FI source 场电离源
- thermal ionization mass spectrometry uranium series 热电离质谱铀系
- chemical ionization source mass spectrometry 化学电离源质谱法
- Thermal ionization mass spectrometry (TIMS) 热电离质谱
- The news comes from a reliable source. 这消息来自可靠的来源。
- negative thermal ionization mass spectrometry 负离子热电离质谱法
