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大气中亚硝酸(HONO)生成新机制:超氧自由基驱动铵盐氧化的关键作用
为解决高湿度雾霾期间HONO生成速率异常的谜题,研究人员揭示了光活性矿物粉尘表面NH4+通过·O2?驱动生成HONO的新途径。该研究突破性地发现高湿度条件下O2通过竞争光生电子抑制NO3?转化,同时促进NH4+氧化,为大气氧化性增强机制提供了关键解释。 在雾霾频发的 ...
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