利用元素分析、红外光谱、核磁共振氢谱和激光解析电离飞行时间质谱确证了其组成和结构。
Their chemical structures were confirmed by means of elemental analysis, infared spectra, proton nuclear magnetic resonance spectra and mass spectra.
基于光电效应原理。我们设计了一个新型脉冲激光光电子枪，它可以作为飞行时间质谱的电子碰撞电离的电离源。
Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
我们的实验是利用飞行时间质谱仪在激光作用下研究苯甲醚的多光子电离质谱能够得到苯甲醚分子的解离通道及机理。
We study the dissociation channel and mechanism of anisole in the experiment using the time of flight mass spectrometer with the interaction of laser.
实验表明，共振增强多光子电离加飞行时间技术研究原子、分子光谱其灵敏度与分辨率远高于常用的激光感生荧光方法。
The experimental result shows, the resolution and sensitivity of REMPI and TOF mass spectrometer technique is higher that of laser induced fluorescence method (LIF).
实验表明，共振增强多光子电离加飞行时间技术研究原子、分子光谱其灵敏度与分辨率远高于常用的激光感生荧光方法。
The experimental result shows, the resolution and sensitivity of REMPI and TOF mass spectrometer technique is higher that of laser induced fluorescence method (LIF).
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