Chernin型多通池用于烟雾箱光化学反应过程的实验研究
Experimental Study of the Photochemical Reaction in the Smog Chamber Using a Chernin Multipass Cell
查看参考文献27篇
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文摘
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将Chernin型多通吸收光谱系统与光化学模拟烟雾箱系统相结合,用于烟雾箱内痕量气体的探测,系统的准确性及可靠性通过NO_2的测量进行验证,NO_2的探测结果与Thermo 42i型NO-NO_2-NO_x分析仪的测量结果呈较好的线性关系。对烟雾箱内β蒎烯/O_3/SO_2体系化学反应过程中SO_2的摩尔分数做了在线测量,在36 m的吸收光程内,SO_2的探测极限为22.2×10~(-9)。研究结果表明,该Chernin型多通吸收光谱系统具有定量测量能力,能够用于烟雾箱内光化学反应过程中痕量成分的实时在线测量。 |
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其他语种文摘
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A Chernin multipass absorption spectroscopy system is combined with the photochemical simulation smog chamber and applied to the detection of trace gases in the smog chamber. The system accuracy and reliability are proved with NO_2 detection. The NO_2 measurements of the system and the results of Thermo 42i NO-NO_2-NO_x analyzer have a good linear relationship. The system is applied to online detection of SO_2 during β-pinene/O_3/SO_2 system chemical reaction in the smog chamber and with 36 m absorption path length, the SO_2 detection limit of the system is 22.2×10~(-9). The result demonstrates that the Chernin multipass absorption spectroscopy system has the capability of quantitative measurement and can be used in online detection of trace gases during photochemical reactions in the smog chamber. |
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来源
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光学学报
,2013,33(8):0830001-1-08230001-8 【核心库】
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DOI
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10.3788/aos201333.0830001
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关键词
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光谱学
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Chernin多通池
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烟雾箱
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SO2
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地址
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中国科学院安徽光学精密机械研究所, 中国科学院大气成分与光学重点实验室, 安徽, 合肥, 230031
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南京信息工程大学物理与光电工程学院, 江苏, 南京, 210044
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0253-2239 |
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学科
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物理学 |
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基金
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国家自然科学基金
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江苏省自然科学基金
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安徽省自然科学基金
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中国科学院安徽光学精密机械研究所所长基金
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中国科学院大气成分与光学重点实验室2010年开放课题
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文献收藏号
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CSCD:4927844
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