Concentration ratios of formaldehyde/acetaldehyde and acetaldehyde/propionaldehyde showed that anthropogenic sources were the main sources of carbonyl compounds in the atmosphere of Guangzhou.
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释义
甲醛/乙醛、乙醛/丙醛质量浓度比值显示广州大气中羰基化合物主要与人为来源有关。
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