Monitoring the soot emissions of passing cars.

Monitoring the soot emissions of passing cars.
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监测过往车辆的烟尘排放。

DOI:
10.1021/es051140h
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发表时间:
2006
影响因子:
11.4
通讯作者:
A. Schmidt
A. Schmidt
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
A. Kurniawan;A. Schmidt

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我们报告的第一个应用程序的一种新的快速道路上的传感方法测量颗粒物排放量的个人通过客运汽车。这项研究的动机是将兴趣从气体转移到与强烈的不良健康影响有关的颗粒。结果与Beaton等人(Science,1995年5月19日)关于气态烃和CO排放的发现非常一致:一小部分“超级污染物”(此处为5%)占污染物(此处为元素碳)的很高比例(此处为43%)。我们估计,如果采用路面监察的方法,以执行车辆维修的工作,在现行法例的基础上,可减少车辆排放的微粒达50%。我们的快速传感方法的颗粒是基于光电子发射从发射的空气中的烟尘颗粒结合CO2传感器提供参考。
We report on the first application of a novel fast on-road sensing method for measurement of particulate emissions of individual passing passenger cars. The studywas motivated by the shift of interest from gases to particles in connection with strong adverse health effects. The results correspond very much to findings by Beaton et al. (Science, May 19,1995) for gaseous hydrocarbon and CO emissions: A small percentage of "superpolluters" (here 5%) account for a high percentage (here 43%) of the pollution (here elemental carbon). We estimate that up to 50% of the particulate emissions of vehicles could be avoided on the basis of the present legislation, if on-road monitoring would be applied to enforce maintenance. Our fast sensing method for particles is based on photoelectron emission from the emitted airborne soot particles in combination with a CO2 sensor delivering a reference.
DOI: 10.1289/ehp.00108347
发表时间: 2000-04
影响因子: 10.4
作者:
Mar TF;Norris GA;Koenig JQ;Larson TV
通讯作者: Larson TV