Sentences with phrase «nitrogen dioxide from»

Usually it's not the only cause, but air pollution is a factor in at least 30,000 deaths each year in the UK, although scientists are struggling to disentangle the damage caused by nitrogen dioxide from that caused by particulates, or soot.
Newland says that a fall in nitric oxide and nitrogen dioxide from clean air regulations could have slowed the production of OH.
Council Directive 2008 / 50 / EC on Ambient Air Quality and Cleaner Air for Europe provides for member states to submit plans to the European Commission to postpone the compliance deadline for meeting the limit value for nitrogen dioxide from 2010 to 2015.

Not exact matches

Switching from coal to natural gas would reduce sulfur dioxide emissions by more than 90 percent and nitrogen oxide emissions by more than 60 percent.
In addition to carbon dioxide there are other disruptive products from the use of fossil fuels such as the nitrogen oxides that have already been referred to.
On the ground, the Department for Transport admits that as many as 35,000 people living near to Heathrow Airport suffer from poor air quality, primarily caused by nitrogen dioxide and particulate matter.
As I understand it, the lawsuit was about forcing the cities to impose more drastic measures (e.g. ban diesel cars from cities) to stay within the «self imposed» nitrogen dioxide EU limits.
«To ask the Secretary of State for Transport whether he has requested a derogation from EU air quality legislation in relation to limits on the levels of pollution from (a) nitrogen dioxide, (b) ozone and (c) other nitrogen oxides.
Without this fixed nitrogen, phytoplankton could not absorb carbon dioxide from the air, a feat which is helping to check today's rising carbon dioxide levels in the atmosphere.
Global warming, from the release of carbon dioxide and perturbations to the nitrogen cycle from fertilizers
New research from the University of East Anglia shows that rising ocean temperatures will upset natural cycles of carbon dioxide, nitrogen and phosphorus.
View a slide show of the world's first carbon capture and storage facility in operation The small stream of flue gas travels to the carbon - capture unit through plastic pipes reinforced with fiberglass and is cooled to between — 1 and 21 degrees Celsius from the 55 - degree C temperature at which it emerges from the other environmental technology add - ons that strip out the fly ash, sulfur dioxide and nitrogen oxides.
This reaction could play an important role in explaining the observed depletion of ozone over Antarctica; it releases photolytically active chlorine from its most abundant reservoir species, and it promotes the formation of HNO3 and thus removes nitrogen dioxide (NO2) from the gas phase.
The ConocoPhillips Wood River refinery also released nearly 5,000 tons of sulfur dioxide, 4,000 tons of nitrogen oxides and 2,000 tons of volatile organic matter, according to data from the U.S. Environmental Protection Agency.
Particles of nitrogen - containing porous carbon are able to capture carbon dioxide from natural gas under pressure at a wellhead by polymerizing it, according to researchers at Rice University.
Most atmospheric ammonia, which reacts with sulfur dioxide and nitrogen oxides to form fine particulates, comes from agriculture.
EMISSIONS of sulphur dioxide and nitrogen oxides from shipping in the English Channel are «almost equivalent to those of Denmark», according to a study of marine pollution by Lloyd's Register.
There's also interest in using metal catalysts to convert carbon dioxide into fuels, make fertilizers from atmospheric nitrogen and drive reactions in fuel - cell cars.
NOx gases represent some of the most reactive gases produced from diesel combustion and other fossil fuels, but the emissions limits for nitrogen dioxide are regularly exceeded, especially in urban areas.
Meanwhile, China obtains roughly three - quarters of its electricity from coal, meaning the air in Beijing and other cities is thick with sulfur dioxide, carbon monoxide, and nitrogen dioxide spewed from power plants and coal - burning stoves.
Indeed, when the researchers exposed chloroplasts extracted from wheat cells to nitrate, they found that high carbon dioxide levels inhibited the amount of nitrogen that got inside the chloroplasts to be converted.
When sulfur dioxide and nitrogen oxides are released from power plants and other sources, prevailing winds blow these compounds across state and national borders, sometimes over hundreds of miles.
The precursors of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and human - made sources, primarily emissions of sulfur dioxide and nitrogen oxide resulting from fossil fuel combustion.
In the United States, roughly two - thirds of all sulfur dioxide and a quarter of all nitrogen oxide come from electric power generation that relies on burning fossil fuels, such as coal.
Accompanying the founders of the new Mars colony would be large amounts of equipment, including machines to produce fertilizer, methane and oxygen from Mars» atmospheric nitrogen and carbon dioxide and the planet's subsurface water ice.
«Using satellite - based remote - sensing equipment can allow scientists, and therefore policymakers, to determine with accuracy whether carbon dioxide (CO2), carbon monoxide, and nitrogen oxides detected in the vicinity are truly from the plant, or from other sources,» said Rodica Lindenmaier, postdoctoral research associate and first author of the paper.
The results might not have immediate repercussions — nitrogen trifluoride currently adds 0.04 percent of the global warming effect created by carbon dioxide emitted from sources such as coal - burning power plants and cars.
The right mix of heat, pressure, and chemistry keeps the coal from burning; instead, it undergoes a series of reactions that give rise to a mix of gases, including hydrogen, carbon monoxide, nitrogen, and sulfur dioxide.
Many of his mistakes are big ones: he bungles the issues involving reserves and resources that are critical to his core argument about oil remaining cheap; he drastically misleads his readers about the extent to which sulfur dioxide and nitrogen oxide emissions from coal - burning have been reduced; he trivializes the climate - change risks from coals carbon dioxide emissions by suggesting we know the impacts will be worth only 0.64 cents per kilowatt - hour.
I criticized this statement, noting that the actual emissions from U.S. coal - burning power plants declined only from 16.1 million tons to 12.4 million tons between 1980 and 1998 in the case of sulfur dioxide and from 6.1 million tons to 5.4 million tons between 1980 and 1998 in the case of nitrogen oxides (mostly emitted as NO, not NO2, but by convention measured as tons of NO2 - equivalent).
According to data from the U.S. Environmental Protection Agency (EPA), levels of all major air pollution contaminants (ozone, nitrogen oxides, carbon monoxide, sulfur dioxide, particulate matter and lead) are down significantly since 1970; carbon monoxide levels alone dropped by more than 70 percent.
Insulin resistance increased by 17 % for every 10.6 µg / m3 (2 standard deviations [SDs] from the mean) increase in ambient nitrogen dioxide (NO2) and 19 % for every 6 µg / m3 (2 SDs) increase in particulate matter of up to 10 μm in diameter.
European Union rules set a maximum hourly concentration of nitrogen dioxide, which, in towns and cities, mainly comes from road traffic.
On Mars, ultraviolet light from the sun breaks down carbon dioxide and nitrogen molecules.
Ecosystems need nitrogen and other nutrients to absorb carbon dioxide pollution, and there is a limited amount of it available from plants and soils.
If a large amount of nitrogen comes from rocks, it helps explain how natural ecosystems like boreal forests are capable of taking up high levels of carbon dioxide.
Diesel produces more nitrogen dioxide and particulates than gasoline, so Sweden may have more to gain from small reductions in driving.
Air pollutants like ozone and nitrogen dioxide have been linked to a range of health problems in humans — from respiratory inflammation to cancer, according to the Environmental Protection Agency.
* Vitamin E and selenium (200 to 300 mcg) work together to protect cells from pollutants including ozone, nitrogen dioxide, nitrites and metals such as lead, mercury, silver and cadmium.
When it involves dating in singapore cultures Carbon - 14 is produced in the atmosphere when neutrons from cosmic radiation react with nitrogen atoms: 14 7 N + 1 0 n → 14 6 C + 1 1 H. Free carbon, including the carbon - 14 produced in this reaction, can react to form carbon dioxide, a component of air.
It has also prevented more than 73 tons of carbon dioxide, 54 pounds of nitrogen oxide, 136 pounds of sulfur dioxide, and 700 milligrams of mercury from being released into the air.
The company's primary products are atmospheric gases, which are produced from air (e.g., oxygen and nitrogen) and process gases, which are produced through additional processes (e.g., carbon dioxide, hydrogen, and acetylene).
ACT - activated clotting time (bleeding disorders) ACTH - adrenocorticotropic hormone (adrenal gland function) Ag - antigen test for proteins specific to a disease causing organism or virus Alb - albumin (liver, kidney and intestinal disorders) Alk - Phos, ALP alkaline phosphatase (liver and adrenal disorders) Allergy Testing intradermal or blood antibody test for allergen hypersensitivity ALT - alanine aminotransferase (liver disorder) Amyl - amylase enzyme — non specific (pancreatitis) ANA - antinuclear antibody (systemic lupus erythematosus) Anaplasmosis Anaplasma spp. (tick - borne rickettsial disease) APTT - activated partial thromboplastin time (blood clotting ability) AST - aspartate aminotransferase (muscle and liver disorders) Band band cell — type of white blood cell Baso basophil — type of white blood cell Bile Acids digestive acids produced in the liver and stored in the gall bladder (liver function) Bili bilirubin (bile pigment responsible for jaundice from liver disease or RBC destruction) BP - blood pressure measurement BUN - blood urea nitrogen (kidney and liver function) Bx biopsy C & S aerobic / anaerobic bacterial culture and antibiotic sensitivity test (infection, drug selection) Ca +2 calcium ion — unbound calcium (parathyroid gland function) CBC - complete blood count (all circulating cells) Chol cholesterol (liver, thyroid disorders) CK, CPK creatine [phospho] kinase (muscle disease, heart disease) Cl - chloride ion — unbound chloride (hydration, blood pH) CO2 - carbon dioxide (blood pH) Contrast Radiograph x-ray image using injected radiopaque contrast media Cortisol hormone produced by the adrenal glands (adrenal gland function) Coomb's anti- red blood cell antibody test (immune - mediated hemolytic anemia) Crea creatinine (kidney function) CRT - capillary refill time (blood pressure, tissue perfusion) DTM - dermatophyte test medium (ringworm — dermatophytosis) EEG - electroencephalogram (brain function, epilepsy) Ehrlichia Ehrlichia spp. (tick - borne rickettsial disease) EKG, ECG - electrok [c] ardiogram (electrical heart activity, heart arryhthmia) Eos eosinophil — type of white blood cell Fecal, flotation, direct intestinal parasite exam FeLV Feline Leukemia Virus test FIA Feline Infectious Anemia: aka Feline Hemotrophic Mycoplasma, Haemobartonella felis test FIV Feline Immunodeficiency Virus test Fluorescein Stain fluorescein stain uptake of cornea (corneal ulceration) fT4, fT4ed, freeT4ed thyroxine hormone unbound by protein measured by equilibrium dialysis (thyroid function) GGT gamma - glutamyltranferase (liver disorders) Glob globulin (liver, immune system) Glu blood or urine glucose (diabetes mellitus) Gran granulocytes — subgroup of white blood cells Hb, Hgb hemoglobin — iron rich protein bound to red blood cells that carries oxygen (anemia, red cell mass) HCO3 - bicarbonate ion (blood pH) HCT, PCV, MHCT hematocrit, packed - cell volume, microhematocrit (hemoconcentration, dehydration, anemia) K + potassium ion — unbound potassium (kidney disorders, adrenal gland disorders) Lipa lipase enzyme — non specific (pancreatitis) LYME Borrelia spp. (tick - borne rickettsial disease) Lymph lymphocyte — type of white blood cell MCHC mean corpuscular hemoglobin concentration (anemia, iron deficiency) MCV mean corpuscular volume — average red cell size (anemia, iron deficiency) Mg +2 magnesium ion — unbound magnesium (diabetes, parathyroid function, malnutrition) MHCT, HCT, PCV microhematocrit, hematocrit, packed - cell volume (hemoconcentration, dehydration, anemia) MIC minimum inhibitory concentration — part of the C&S that determines antimicrobial selection Mono monocyte — type of white blood cell MRI magnetic resonance imaging (advanced tissue imaging) Na + sodium ion — unbound sodium (dehydration, adrenal gland disease) nRBC nucleated red blood cell — immature red blood cell (bone marrow damage, lead toxicity) PCV, HCT, MHCT packed - cell volume, hematocrit, microhematocrit (hemoconcentration, dehydration, anemia) PE physical examination pH urine pH (urinary tract infection, urolithiasis) Phos phosphorus (kidney disorders, ketoacidosis, parathyroid function) PLI pancreatic lipase immunoreactivity (pancreatitis) PLT platelet — cells involved in clotting (bleeding disorders) PT prothrombin time (bleeding disorders) PTH parathyroid hormone, parathormone (parathyroid function) Radiograph x-ray image RBC red blood cell count (anemia) REL Rocky Mountain Spotted Fever / Ehrlichia / Lyme combination test Retic reticulocyte — immature red blood cell (regenerative vs. non-regenerative anemia) RMSF Rocky Mountain Spotted Fever SAP serum alkaline phosphatase (liver disorders) Schirmer Tear Test tear production test (keratoconjunctivitis sicca — dry eye,) Seg segmented neutrophil — type of white blood cell USG Urine specific gravity (urine concentration, kidney function) spec cPL specific canine pancreatic lipase (pancreatitis)-- replaces the PLI test spec fPL specific feline pancreatic lipase (pancreatitis)-- replaces the PLI test T4 thyroxine hormone — total (thyroid gland function) TLI trypsin - like immunoreactivity (exocrine pancreatic insufficiency) TP total protein (hydration, liver disorders) TPR temperature / pulse / respirations (physical exam vital signs) Trig triglycerides (fat metabolism, liver disorders) TSH thyroid stimulating hormone (thyroid gland function) UA urinalysis (kidney function, urinary tract infection, diabetes) Urine Cortisol - Crea Ratio urine cortisol - creatine ratio (screening test for adrenal gland disease) Urine Protein - Crea Ratio urine protein - creatinine ratio (kidney disorders) VWF VonWillebrands factor (bleeding disorder) WBC white blood cell count (infection, inflammation, bone marrow suppression)
The composition of human flatus has been studied (Suarez et al. 1997; Tomlin et al. 1991), and comprises mostly nitrogen and oxygen (derived from air that has been swallowed or diffusion from the blood), and carbon dioxide, hydrogen, and methane (arising intraluminally from chemical reactions and bacterial fermentation).
In the atmosphere, a portion of the nitrogen winds up as nitrous oxide — laughing gas — which is not only a greenhouse gas that is 300 times more potent that carbon dioxide, but also destroys ozone, the gas that keeps us from getting more of a dose of UV radiation.
A team from RMIT University's Centre for Advanced Electronics and Sensors has developed what they're calling «the first low - cost and reliable method of detecting nitrogen dioxide (NO2)» and it could soon be used in smartphones.
Breakthrough experiments showed that IRMOF -74-III compounds are especially efficient at removing carbon dioxide from wet nitrogen gas streams in record efficiency and time while fully preserving the IRMOF structure.
The 300 plants produce one - quarter of all the electricity generated in the EU but are responsible for more than 70 % of the EU's sulphur dioxide emissions and more than 40 % of nitrogen oxide emissions from the power sector.
These changes in land use would be expected to reduce carbon dioxide emissions from soils, and increase carbon sequestering by means of an increase in soil organic matter.However, this reduction in amount of land in summerfallow, and an increase in land in crop, has been accompanied by an increase in use of nitrogen fertilizers.
In mid-August, the Environmental Protection Agency is expected to make recommendations to the White House on how to reduce releases of nitrogen oxides, sulfur dioxide and mercury from power plants.
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