nitrogen dioxide

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nitrogen dioxide

[′nī·trə·jən dī′äk‚sīd]
(inorganic chemistry)
NO2 A reddish-brown gas; it exists in varying degrees of concentration in equilibrium with other nitrogen oxides; used to produce nitric acid. Also known as dinitrogen tetroxide; liquid dioxide; nitrogen peroxide; nitrogen tetroxide.
References in periodicals archive ?
Top seed Conor Tordoff (York) lost 7-6 4-6 10-7 to Lewis Denton (Cheshire) while No3 seed Paul Jubb (Hull) defeated No2 James Bloomer 7-5 5-7 10-7.
The report called for major reductions in particulate matter (airborne fine particles of soot), carbon dioxide, NO2 and ozone, saying there were many pollutants without a safe ''threshold''.
Urban trees can absorb gaseous pollutants like NO2, but the effects appear to vary between species and locations, and this may be due in part to the actions of leaf-feeding insects.
The new bus station and Central Square developments are predicted to increase pollution in the lower St Mary's and Wood Street area to above the legal limit on only by this refuse it NO2. Cardiff 's consultants failed to allow for these developments and overlooked the NO2 problem in this part of the city.
>> Diesel vehicles are the largest source of roadside NO2 .
An environmental group monitored levels of NO2 for several weeks, providing a snapshot of its pollution.
The report said that the 24 hours average ratio of nitrogen dioxide (NO2) and Sulphur dioxide (SO2) were 19.2g/m and 20.13g/m respectively against the respective National Environmental Quality Standards (NEQS) of 80g/m and 120g/m.
NO2, emitted in vehicle exhausts, can cause asthma attacks and breathing difficulties.
Cambodia's captain, national Juniors coach Long Chomnith, sent in Davith for the No2 singles role and Davith duly took care of business, beating Bangladesh's Mohammad Forhad Islam 6-1, 6-3.
If Calvin, of Dumfries, and Lewis, of Bathgate, West Lothian, keep their positions come Friday, it will be the first time Scots acts have concurrently sat at No1 and No2 since November 2011.
ISLAMABAD: The regular monitoring of the air quality has reported the federal Capital is breathing in healthy environment with below permissible limits, reduced concentrations of particulate matter (PM2.5) and Nitrogen dioxide (NO2) in the atmosphere.