Sentences with phrase «particulate nitrogen compounds»
Beijing has been battling an unwelcome, unrelenting and «very unhealthy» smog for many months, much of it made up of particulate nitrogen compounds suspended in the air.
https://www.scientificamerican.com/ Not exact matches
The air pollutants analyzed for the coal system included particulate matter (soot), mercury, volatile organic compounds, nitrogen oxides and sulfur oxides.
Together, the measures were designed to decrease carbon monoxide, nitrogen dioxide, sulfur dioxide, particulate matter and other compounds in the air that are considered major public health concerns, playing a role in an estimated 1.4 percent of deaths worldwide, and 2 percent of all cardio - pulmonary deaths worldwide.
Some of the worst air pollutants include nitrogen oxides, volatile organic compounds, particulate matter, carbon monoxide and carbon dioxide.
In particular, aircraft jet engines produce carbon dioxide (CO2), water vapor (H2O), nitrogen oxides (NOx), carbon monoxide (CO), oxides of sulfur (SOx), unburned or partially combusted hydrocarbons (also known as volatile organic compounds, or VOCs), particulates, and other trace compounds.
7: Forests).18, 31,32,33,34,35 Long periods of record high temperatures are associated with droughts that contribute to dry conditions and drive wildfires in some areas.159 Wildfire smoke contains particulate matter, carbon monoxide, nitrogen oxides, and various volatile organic compounds (which are ozone precursors) 37and can significantly reduce air quality, both locally and in areas downwind of fires.38, 39,40,41,42
The new standards would reduce the volatile organic compounds and nitrogen oxides that lead to smog by 80 %, reduce particulate matter by 70 % and reduce fuel vapor emissions almost entirely.
And in every case, it was determined that using these sources to create electricity for PHEVs was more efficient and created less total greenhouse gases (GHGs), volatile organic compounds (VOC), carbon monoxide (CO), nitrogen oxides (NOx), fine particulate (PM2.5) and sulfur oxides (SOx).
State Agencies Must Purchase or Lease Vehicles That Use Alternative Fuels Louisiana's Advanced Biofuel Industry Development Initiative further states, «The commissioner of administration shall not purchase or lease any motor vehicle for use by any state agency unless that vehicle is capable of and equipped for using an alternative fuel that results in lower emissions of oxides of nitrogen, volatile organic compounds, carbon monoxide, or particulates or any combination thereof that meet or exceed federal Clean Air Act standards.»
Their own site says «The calculations are based on five pollutants: carbon monoxide, volatile organic compounds, sulfur dioxide, nitrogen oxide and particulate matter.»