An unusually hot summer set such fires across the country and the peatlands around Moscow generated a smog that blanketed the city with carbon monoxide and soot.

这个异常酷热的夏天，全国很多地方都着起了泥潭沼泽火，莫斯科附近的大火燃烧产生的含二氧化碳和烟尘的烟雾覆盖了整个城市。

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Researching the soot formation and oxidation has become one of important and hot question about the emission controlling of the diesel engines.

研究碳烟的生成和氧化机理，已成为控制柴油机排放的重点和热点之一。

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