并非所有的空气污染物一开始都是煤烟。
这些污染物，尤其是臭氧和煤烟，不像二氧化碳那样悬浮在大气中。
These are pollutants, particularly ozone and soot, that do not hang around in the atmosphere as carbon dioxide does.
煤烟污染会刺激肺部，使哮喘等病情恶化，增加心脏病发作和过早死亡的风险。
Soot pollution can irritate the lungs, worsen conditions like asthma and increase the risks of heart attacks and premature death.
煤烟斑将其擦去，而蝇斑则不会。
The sooty blotch will wipe off of the fruit and fly speck will not.
然后我用炉盖上的煤烟把它们擦亮。
那些门窗被煤烟弄得很脏。
他用煤烟提取物诱发了小鼠皮肤癌。
烟囱里面很快就会被煤烟覆盖。
所有汽车排放到空气中的煤烟更是几乎成倍增加。
And the amount of soot added to the atmosphere as a result of all our cars nearly doubles.
在房屋内，充满煤烟的空气会导致可怕的呼吸道感染。
Inside homes, the sooty air causes terrible respiratory infections.
煤烟弄脏了我们的脸。
因此，亚洲，欧洲和北美的煤烟排放量会促使北极冰层变薄。
Thus, sooty emissions from Asia, Europe and North America are helping to thin the Arctic ice.
发电厂高温燃煤不但产生的二氧化硫少，而且煤烟也大大减少。
Power stations burn coal at a higher temperature and produce less sulphur dioxide but also significantly less soot.
煤烟精灵在2001年的《千与千寻》中也出现过。
The soot sprites also appear in Sen to Chihiro no kamikakushi (2001).
“我脸上的煤烟都洗干净了吗？”他向她转过脸问道。
Is all the soot washed from my face? He asked, turning it towards her.
分析表明，骑自行车者下呼吸道细胞中的煤烟含量要高出2.3倍。
The analysis found that cyclists had 2.3 times more soot in their airway cells.
新的研究表明，骑自行车者正因煤烟处于与日俱增的肺损伤危机之中。
New research suggests that cyclists are at increased risk of lung damage because of soot.
一项新的研究证实，黑碳-更通俗称为煤烟-是全球变暖的一个重要因素。
A new study confirms that black carbon — more commonly known as soot — is a significant player in global warming.
低浓度的煤炭，如亚煤烟煤和褐煤等，其含水量最高可达50%。
Less dense types, such as sub-bituminous and lignite coal, can contain up to 50% water.
同时，这周的火灾所带来的煤烟和灰尘使那里的空气质量非常之差。
Meantime, soot and dust from this week's wildfires is making the air quality especially bad there.
其中的墨迹被认为来自一种古老的配方，一种将鞣酸铁与煤烟混合而成的墨水。
The ink appears to be an ancient recipe—a mix of iron gall and soot inks.
这是因为硫化物颗粒和煤烟颗粒在遮挡太阳能到达地面的数量不一样。
That's because the particles differ in the amount of solar energy that they prevent from reaching the ground.
它会随着燃烧释放大量煤烟和有害化学物质，因此许多西方国家已经不再钟情于它了。
It releases lots of soot and various noxious chemicals as it burns, and so has fallen out of favour in many Western countries.
因炉灶燃烧不完全而释放的甲烷和黑碳(煤烟颗粒)是导致气候出现重大变化的污染物。
Methane and black carbon (sooty particles) emitted by inefficient stove combustion are powerful climate change pollutants.
初步结果显示，传统火炉的煤烟排量甚至比预期的还要高，而新式炉则极大地减少了排放。
Initial results show traditional stoves have even higher soot levels than anticipated, while new stoves appear to dramatically reduce emissions.
煤烟的污染导致高原的积雪融化时间逐年提前，到了夏季，处在下游的农作物就会缺少水分。
Soot on snow causes the plateau's annual snowpack melt to happen sooner each year, causing farmers below it to have less water for their crops in the summer.
多亏有了科学家罗伯特·安格斯·史密斯，煤烟笼罩下的曼彻斯特才能目睹现代环保思想的诞生。
Sooty Manchester witnessed the birth of modern environmental concerns thanks to the scientist Robert Angus Smith.
在美国和欧洲都有法律确保空气质量，如果煤炭用来发电，那就要基本上不能产生二氧化硫和煤烟。
In America and Europe, laws to protect air quality mean that, when coal is used to generate power, it produces relatively little sulphur dioxide or soot.
在美国和欧洲都有法律确保空气质量，如果煤炭用来发电，那就要基本上不能产生二氧化硫和煤烟。
In America and Europe, laws to protect air quality mean that, when coal is used to generate power, it produces relatively little sulphur dioxide or soot.
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