The method of laser MS in measuring organic compounds on fibrous paper provides a new analytical tool for some special analysis such as security check, forensic analysis, food sanitary inspection.

激光质谱对纸上有机物作高灵敏度直接测定为某些特殊分析应用如安全检查、刑事侦察和食品卫生检查等提供了新方法。

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The principle of electrospray ionization-mass spectrometry (ESI-MS) and matrix assisted laser desorption ionization-mass spectrometry (MALDI-MS) is described.

概述了电喷雾电离质谱(esi - MS)、基质辅助激光解析电离质谱(MALDI - MS)的原理。

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The effects of laser ablation operating parameters on sensitivity and stability of signal response in solid microanalysis by LA-ICP-MS technique have been respectively investigated.

探讨了激光剥蚀等离子体质谱固体微区分析中激光剥蚀参数对元素分析信号灵敏度及稳定性的影响。

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Ms. GROSS: I think what the law has helped us to do is to have a more laser focus on making sure that the programs that are in place in schools are really serving the purpose that they need to serve.

NPR: A Principal's View of 'No Child Left Behind'