飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。
Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.
超过一半的美国煤炭发电机缺乏二次燃烧氮氧化物污染控制。
More than half of U.S. coal generators lack postcombustion NOx pollution controls.
但是，尽管它在农场的氮氧化物和甲烷。
在高温高压下，空气与氧气反应，产生了氮氧化物。
NOx is produced when the nitrogen from the air reacts with oxygen under high engine temperature and pressure conditions.
欧洲控制氮氧化物的排放以德国较为典型。
二芳基氮氧化物比二烷基氮氧化物还要稳定。
Diaryl nitroxides are even more stable than the dialkyl nitroxides.
它燃烧产生的烟雾中的氮氧化物也会急剧减少。
好氧菌将氨先转化成氮氧化物再转化成硝酸盐。
Aerobic bacteria chew up the ammonia and turn it first into nitride and then to nitrate.
他说，“尤其要注意氮氧化物”，因为它们可以破坏臭氧层。
"Nitrogen oxides in particular are of concern," he says, because they can destroy ozone.
通过燃烧矿物发电的火力发电厂会释放碳氢化合物和氮氧化物。
Electric power plants that burn fossil fuels release hydrocarbons and nitrogen oxides.
在低层大气里，氮氧化物使臭氧和可以引致呼吸道疾病的微粒增加。
In the lower atmosphere the oxides of nitrogen add to an increase in ozone and small particles, which can cause respiratory ailments.
另一种氮污染的来源为矿物燃料，矿物燃料燃烧时，会产生氮氧化物。
Another source of nitrogen pollution comes from fossil fuels, which produce nitrogen oxides when they are burnt.
氮氧化物(一氧化二氮)是一种比二氧化碳强300倍的温室气体。
Nitrous oxide (N2O) is a greenhouse gas 300 times more potent than carbon dioxide.
对于矿物燃料燃烧时氮氧化物的清除，在科技上和成本上都是可行的。
Existing technology can remove nitrogen oxides when fossil fuels burn, at a cost.
改进燃烧技术，正在成为广泛应用的氮氧化物污染控制技术。
The improving combustion technique is insreasingly air pollution control technique by nitrogen oxides in extensive application.
同时，可再生柴油排放的二氧化硫物、颗粒物和氮氧化物等要小得多。
Renewable diesel also creates far fewer sulfur dioxide, particulate, and nitrogen oxide emissions.
与之相反，新的研究包括全部范围的污染物，包括二氧化硫，氮氧化物和水蒸汽。
Instead, the new study included a full range of pollutants, including sulfur dioxide, nitrogen oxide and water vapor.
该团队认为，不必把氮氧化物清除掉，而是利用它作为催化剂，促进化学反应的进程。
Instead of getting rid of the NOx the team believe they can use it as a catalyst to help power the reaction.
而且，比这更糟的是，氮氧化物属于一种有毒的污染物，清除它需要付出很高的成本。
And if that wasn t bad enough NOx is a poisonous pollutant that it takes a lot of effort to remove.
其他的过滤器以及化学“捕捉器”负责处理能够引起酸雨的硫氧化物和氮氧化物。
Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.
研究者说，糖的摄入提高血尿酸水平，降低氮氧化物水平，这个化合物可扩张血管降低血压。
Sugar consumption increases serum levels of uric acid, which may lower the levels of nitric oxide, a chemical that is needed to dilate the blood vessels to keep the pressure low, the researchers said.
既然氮氧化物是烟尘成分的一种，也是常见的水污染物，那加氮汽油会不会产生额外的污染呢？
Since nitrogen oxide compounds are components of smog and are common water pollutants, does nitrogen-enriched gasoline create additional pollution?
其他温室效应气体的排放，比如由动物排放的氮氧化物和甲烷，只要是适用的，都要考虑进去。
Where appropriate, emissions of other greenhouse gases, such as nitrous-oxide from soils and methane emissions from animals, are also taken into account.
'真正的烟气是由氮氧化物(NOx)、氮、氧以及二氧化碳组成，'彼得介绍说。
Real flue gas is made up of nitrogen oxide (NOx), nitrogen, and oxygen as well as CO2, Peter tells me.
这两种黏性物质主要由公路交通产生：83%的细颗粒物以及46%的氮氧化物污染。
Road transport produces most of both types of gunk: 83% of the fine particles and 46% of the nitrogen pollution.
问：既然氮氧化物是烟尘成分的一种，也是常见的水污染物，那加氮汽油会不会产生额外的污染呢？
Q: Since nitrogen oxide compounds are components of smog and are common water pollutants, does nitrogen-enriched gasoline create additional pollution?
问：既然氮氧化物是烟尘成分的一种，也是常见的水污染物，那加氮汽油会不会产生额外的污染呢？
Q: Since nitrogen oxide compounds are components of smog and are common water pollutants, does nitrogen-enriched gasoline create additional pollution?
应用推荐