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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。
- 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 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;
- 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。
- 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。
- field ionization source;FI source 场电离源
- chemical ionization source mass spectrometry 化学电离源质谱法
- electron impact-chemical ionization source 电子轰击-化学电离复合源
- The news comes from a reliable source. 这消息来自可靠的来源。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- atmospheric pressure thermal dissociation chemical ionization source 常压热解化学电离
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
