城市道路绿化对大气污染物的过滤作用 关键词：道路绿化；大气污染；滞尘 [gap=539]Key words：Road Green； Air Pollution； Dust-Retention
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我国对园林植物滞尘效应的研究已经取得了相当多的成果。
The study on dust-retention effect of gardening plants in China has already obtained quite a lot of achievements.
以车流量近似模拟尘源条件表明，滞尘能力与车流量呈正相关。
When using vehicle flux to simulate the dust environment, the dust detaining ability has a positive correlation with the vehicle flux.
结果表明：(1)同一尘源条件下，不同树种的滞尘能力差异显著。
The results showed that: (1) different greening trees have distinctly different dust detaining abilities when in the same dust environment.
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