Laboratory aerosol formation at odds with existing models

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Laboratory aerosol formation at odds with existing models

机译：实验室气溶胶形成与现有模型不符

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Secondary organic aerosols (SOA) comprise a large fraction of the airborne particles that negatively affect human health, decrease visibility, and alter climate. The formation of SOA from oxidized volatile organic gases is not fully understood, making it difficult to predict atmospheric SOA concentrations. Veronique Perraud et al. (pp. 2836-2841) analyzed the size and chemical composition of SOA formed when the organic gas, α-pinene, was oxidized by ozone and varying concentrations of nitrate radicals. Although the reaction between ozone and a-pinene was primarily responsible for SOA formation, the authors found, organic nitrates were also incorporated into the SOA and contributed to particle growth.

机译：二次有机气溶胶（SOA）占空气传播颗粒的很大一部分，会对人体健康产生负面影响，降低能见度并改变气候。由氧化性挥发性有机气体形成SOA的方法尚未完全明了，因此很难预测大气中SOA的浓度。 Veronique Perraud等。（pp。2836-2841）分析了当有机气体α-pine烯被臭氧和不同浓度的硝酸根氧化时所形成的SOA的大小和化学组成。作者发现，尽管臭氧和α-between烯之间的反应主要负责SOA的形成，但有机硝酸盐也被掺入了SOA中，并有助于颗粒的生长。

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《Proceedings of the National Academy of Sciences of the United States of America》 |2012年第8期|p.2685|共1页
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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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Laboratory aerosol formation at odds with existing models

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