三种杀虫农药异丙威,吡虫清,噻螨酮的太赫兹指纹谱
首发时间:2011-02-18
摘要:本文利用太赫兹时域光谱技术,对三种杀虫农药异丙威,吡虫清,噻螨酮进行了太赫兹光谱分析,目的是利用太赫兹波独特的指纹特性来建立太赫兹波段指纹谱数据库,为太赫兹波检测农药和食品安全提供了理论基础和实验依据。文中介绍了透射式太赫兹时域光谱系统,阐明计算THz吸收谱的理论模型,接下来通过实验获得了相应样品常温下氮气氛中的THz吸收谱。最后利用Gaussian软件进行了仿真,从理论角度对吸收谱进行了分析和解释。
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Kinds of Pesticides- Isoprocarb, Acetamiprid and Hexythiazox
Abstract:In this paper, terahertz time domain spectroscopy (THz-TDS) technology has been applied to analyze the THz spectra of three type of pesticides, in order to obtain the construction of fingerprint spectra database of pesticides and explore the detection technology of food safety based on terahertz waves with its property of fingerprint recognition,This thesis introduces the transmission terahertz time domain spectroscopy system, and then uses it as a tool to measure three pesticides, which are isoprocard, acetamiprid, hexythiazox, in the Nitrogen surroundings at room temperature. Moreover, the theory model is discussed in this thesis, with experiments resulting in absorbance spectra of the pesticides. At last, a series of theoretical calculations were simulated to explain the experimental curves with infrared spectroscopy knowledge.
Keywords: Terahertz wave THz-TDS isoprocarb acetamiprid hexythiazox
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三种杀虫农药异丙威,吡虫清,噻螨酮的太赫兹指纹谱
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