Ceramic wall flow filter is an effective carbon particulate matter purification device on the diesel engine vehicle.

壁流式陶瓷颗粒过滤器是柴油车上有效净化碳颗粒的装置。

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In this study, the catalysts were prepared by using dipping method for carbon particulate oxidation from diesel soot.

本文采用浸渍法制取碳烟氧化催化剂，并对其催化性能、结构进行了研究。

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In this study, the catalysts were prepared by using dipping method for carbon particulate oxidation from diesel soot. Their catalytic properties and structures were also studied at the same time.

本文采用浸渍法制取碳烟氧化催化剂，并对其催化性能、结构进行了研究。

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WMO scientists assess and monitor air pollutants such as ground-level ozone,smog, particulate matter, sulfur dioxide and carbon monoxide.

VOA: standard.2009.03.23

"As there is no carbon in the fuel, hydrogen-powered vehicles produce no carbon monoxide, carbon dioxide or particulate emissions, " said Wrightbus business development director Jonathan Poynton.

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Using gas cookers, or burning candles, for example, both result in indoor levels of carbon monoxide and particulate matter that are just as high as those to be found outside, amid heavy traffic.

ECONOMIST: Indoor pollution

The latter include health-damaging and smog-forming airborne pollutants like hydrocarbons, nitrogen oxide, particulate matter, carbon monoxide and formaldehyde, as well as greenhouse gases that contribute to climate change, like carbon dioxide, nitrous oxide, methane and other compounds.

FORBES: The 'Greenest' (And Meanest) Cars For 2013