研究者发现，燃料不完全燃烧产生的烟尘，会使发射过程中产生的二氧化碳的排放量减少。
The researchers found that the effect of soot, which is incompletely burned fuel, would dwarf that of the carbon dioxide emissions from the launches.
燃料的不完全燃烧是主要问题。
煤烟通常是燃料不完全燃烧的产物。
Soot is usually the product of the imperfect combustion of fuel.
生物燃料是广大农村地区普遍使用的生活燃料，其不完全燃烧所释放出的烟气是室内空气污染的主要来源之一。
The smoke from incomplete combustion of biomass, a kind of fuel widely used in rural area, is one of the main indoor air pollutants.
碳黑来源于化石燃料和生物体的不完全燃烧，具有更致密的结构，对有机质的非均质性影响很大。
However, Black carbon was produced from the incomplete combustion of fossil fuels and biomass, structurally rigid, physically condensed, and less polar than humic acid and kerogen.
在不完全的燃烧中，一些烃燃料裂解。
During incomplete combustion some of the hydrocarbon fuel is cracked.
煤烟是燃料不完全燃烧的产物。
煤烟是燃料不完全燃烧的产物。
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