The crisis which erupted in September involved nitrogen oxide emissions from diesel cars.

大众于九月曝出柴油发机氮氧化物排放造假丑闻。

So, I think a better question would be what can we do about NOx pollution.

所以，我认为一个更好的问题是我们能为氮氧化物污染做些什么。

Public prosecutors said Porsche had been negligent from 2009 in ensuring nitrogen oxide emissions did not breach regulations.

公诉人表示，从2009年起，保时捷就在确保氮氧化物排放不违法方面，存在疏忽。

Oxides of nitrogen emissions were also reduced with relatively low-cost technologies.

成本相对较低的技术也减少了氮氧化物的排放。

Sulphur dioxide and nitrogen oxide combine to form acid rain.

【form】二氧化硫和氮氧化物结合形成酸雨。

For instance, government efforts to cut emissions of carbon dioxide and nitrous oxide are greater than for many other greenhouse gases.

例如政府对于减少二氧化碳和氮氧化物所采大于其他温室气体。

You can reduce nitrogen oxides by 80 percent, carbon dioxide by more than 40 percent.

您可以减少 80% 的氮氧化物，减少 40% 以上的二氧化碳。

Many of the world's cities are clogged with traffic, creating fumes containing gases such as nitrogen oxides.

世界上许多城市交通堵塞，产生含有氮氧化物等气体的烟雾。

Most cars produced since the 1980s are equipped with catalytic converters that reduce the emission of carbon monoxide and nitrogen oxides.

在 1980 年代制造的大部分汽车都配有触媒转化器，减少一氧化碳和氮氧化物的排放。

The coating reacts with natural daylight  to decompose surrounding nitrogen oxides, effectively " cleaning" a city's air.

该涂层与自然光发生反应，分解周围的氮氧化物，有效地“净化”城市的空气。

The report also says road traffic is not a major source of primary PM2.5, but remains a significant source of Nitrogen oxide.

报告还称，道路交通不是PM2.5的主要来源，但仍是氮氧化物的重要来源。

Oxides of nitrogen and sulfur dioxide can appear naturally as a short-lived byproduct of volcanic eruptions or lightning strikes.

氮氧化物和二氧化硫可以作为火山喷发或雷击的短暂副产品自然出现。

The goal is a 35% reduction in greenhouse gas emissions and an 80% drop in nitrogen oxide emissions over the next two decades.

目标是在未来20年内减少35%的温室气体排放和80%的氮氧化物排放。

We will keep intensifying efforts to prevent and control pollution.

巩固扩大蓝天保卫战成果，今年二氧化硫、氮氧化物排放量要下降3%，重点地区细颗粒物（PM2。5）浓度继续下降。持续开展京津冀及周边、长三角、汾渭平原大气污染治理攻坚，加强工业、燃煤、机车三大污染源治理。做好北方地区清洁暖工作，确保群众温暖过冬。

But this pales in comparison to the powerful acids produced when water interacts with oxides of nitrogen or sulfur dioxide.

但与水与氮氧化物或二氧化硫相互作用时产生的强酸相比，这就得苍白无力了。

These scientists think they'll be able to stop nitrogen oxides before they reach the atmosphere by running the car exhaust past the superacid first.

科学家们认为尾气排放前经过超强酸处理能阻止氮氧化物的排放。

Berlin is one of nearly 70 communities in Germany that exceed limits on nitrogen oxides emissions set by the EU to protect people's health.

德国有近70个社区的氮氧化物排放量超过了欧盟为保护民众健康而制定的限值，柏林就是其中之一。

And then in real-world condition, it emits far more of the harmful emissions such as NOx into the air than is legally allowed.

然后在现实世界中，它向空气中排放的有害排放物（例如氮氧化物）远远超过法律允许的数量。

Diesel engines, on the other hand, produce more Nitrogen Oxide and fine particulate matter in the form of soot, which is characterized by heavy black deposits.

另一方面，柴油发机以烟灰的形式产生更多的氮氧化物和细颗粒物，其特征是大量的黑色沉积物。

They’re formed when the amino acids in meat are exposed to oxides of nitrogen, compounds where a nitrogen atom and an oxygen atom are bonded together.

它们是在肉中的氨基酸暴露于氮氧化物时形成的，氮氧化物是氮原子和氧原子结合在一起的化合物。