nitrogen oxides


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Related to nitrogen oxides: carbon monoxide

nitrogen oxides

[¦nī·trə·jən ′äk‚sīdz]
(inorganic chemistry)
NO x Chemical compounds of nitrogen and oxygen; produced primarily from the combustion of fossil fuels, they contribute to the formation of ground-level ozone.
References in periodicals archive ?
These compounds are among the chemicals that can react with nitrogen oxides to eventually form ozone, says Guenther.
The Council Bluffs Energy Center Unit 3 work is projected to reduce nitrogen oxide emissions by 67 percent and improve plant efficiency by 2.
Sunlight and nitrogen oxide mix to make smog, and though national climatologists predict a slight chance of a hotter-than-normal summer that could lead to more smog, local meteorologists said the crystal ball is murky.
These statements include assumptions, expectations, predictions, intentions or beliefs about future events, particularly the statements concerning the expected reduction of mercury, sulfur dioxide, nitrogen oxides and particulate matter emissions following the emission control projects, its ability to provide significant benefits to Illinois including its ability to provide both reliable, affordable electricity and quality jobs, its ability to balance the financial impact of the projects while ensuring the long-term viability of its Illinois assets, expectations that its operations will be among the cleanest and statements concerning the future installation of additional particulate and carbon injection controls.
The nitrogen oxides timing hypothesis - that, because motorists tend to drive later in the day on Saturday and Sunday, during peak hours of sunlight, ozone production is greater on weekends.
Operations would result in exceedances of the carbon monoxide, nitrogen oxides, sulfur oxides, reactive organic gases and particulate matter criteria and would remain significant after the incorporation of mitigation measures,'' the document states.
This tocopherol exhibits a special affinity for reacting with and inactivating nitrogen oxides, he says.
Minnesota Power plans to reduce mercury emissions by up to 90 percent and cut nitrogen oxide and sulfur dioxide emissions by more than 80 percent at its Boswell 3 generating unit in Cohasset, Minn.
Yet aircraft spend most of their time and release most of their nitrogen oxides at the top of the troposphere.
5 million tons of carbon dioxide; almost 3,400 tons of sulfur dioxide and more than 1,800 tons of nitrogen oxide that would have otherwise been released into the atmosphere if not for the wind farms.
After clear-cutting, organic material in the soil decays supplying inorganic nitrogen to soil bacteria that form nitrogen oxides.
Nitrogen oxides are found in power plant emissions and car exhaust.