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清华团队使用先进质谱技术揭示城市大气有机分子特征
研究组使用两种化学电离高分辨质谱技术,在北京城市大气环境开展长期观测,测量了有机前体物、初级氧化产物和多级氧化产物,拓宽了可识别的大气含氧有机分子的物种及质量范围,揭示了其分子特征、浓度和季节变化规律,增加了对大气有机分子的形成与演变过程的认识。
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今日热点
Los Angeles wildfire updates
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Delivers farewell address
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Pro-Abrams groups fined
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Hosting reception for Trump
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Pam Bondi testifies
Launches Copilot Chat
No federal charges in death
Bill to honor reintroduced
Bans use of Red No. 3 dye
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US closes safety probe
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RU missile attack on UKR
Ex-WV Justice McHugh dies
Breaks Federer record
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