nitrogen oxides (NOx)
Analysis of nitrogen oxides (NOx) in the exhaled breath condensate (EBC) of subjects with asthma as a complement to exhaled nitric oxide (FeNO) measurements: a cross sectional study
... Inflammatory and oxidative changes in lungs are early indicators of the pathophysiology of many respiratory diseases [1-4]. Over the past decade, investigations of exhaled breath have multiplied, through the study of ...
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Monitoring of Occupational Exposure of Mild Steel Welders to Ozone and Nitrogen Oxides
... This descriptive cross-sectional analytical study was conducted to evaluate exposure of mild steel welders to ozone and nitrogen oxides during TIG and MIG welding. In this study, 43 welders working in the ...
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Analysis of Ground Level Ozone and Nitrogen Oxides in the City of Dar es Salaam and the Rural Area of Bagamoyo, Tanzania
... In African cities, urban air pollution is emerging as a key threat to health, the environment, and the quality of life of millions of Africans as the levels of urbanization, motorization, and economic activity increase ...
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The role of nitrogen oxides in human adaptation to hypoxia
... Lowland residents adapt to the reduced oxygen availability at high altitude through a process known as acclimatisation, but the molecular changes underpinning these functional alterations are not well understood. Using ...
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Prediction of Traffic Related Nitrogen Oxides Concentrations using Structural Time Series Models
... of nitrogen dioxide and nitrogen oxides from a congested urban arterial in Dublin city centre were modeled using STS ...predicting nitrogen dioxide and nitrogen oxides ...
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Nitrogen oxides in the troposphere – What have we learned from satellite measurements?
... In the troposphere, photolysis of NO 2 is the only known route for ozone formation. As ozone is also rapidly destroyed by reaction with NO, nitrogen oxides (NO x = NO + NO 2 ) and ozone are often in ...
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Evaluation of residence time on nitrogen oxides removal in non thermal plasma reactor
... monoxide, nitrogen oxides and particulate matter ...years. Nitrogen oxides (NO x ) are considered as one of the major pollutants and toxic gaseous emissions in the ...
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Diet induced atherosclerosis increases the release of nitrogen oxides from rabbit aorta
... of nitrogen oxides from arginine nor to arginine ...of nitrogen oxides increased in response to acetylcholine in both hypercholesterolemic and atherosclerotic vessels, impairments in signal ...
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Analysing the causes of chronic cough: relation to diesel exhaust, ozone, nitrogen oxides, sulphur oxides and other environmental factors
... monoxide, nitrogen oxides, hydrocarbons including partially oxidized forms such as ketones, alde- hydes, phenols, and sulphur compounds), diesel exhaust contains substances deriving from the complete air ...
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The formation of nitrogen oxides in a pulverised coal boiler
... and nitrogen oxides are released into the atmosphere where they undergo a series of chemical processes that turn them into ...sulphur, nitrogen and carbon dioxide occurring naturally in the air, ...
130
Reduction of nitrogen oxides (NOx) using liquefied petroleum gas (LPG) in spark ignition (SI) engine
... The main objective of the experiment is to investigate the effects of replacing gasoline with liquefied petroleum gas (LPG) and to prove the reduction of nitrogen oxides in a spark ignition engine. All the ...
133
Modelling optimal nitrogen oxides abatement in Europe
... the mixing rate of the fuel and air and the lowering of the temperature at which fossil fuels (oil/coal) are burnt. Best available technologies for power plants, petroleum refineries and industrial boilers seem to be a ...
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Waste-derived activated carbons for control of nitrogen oxides
... mono-nitrogen oxides (NO x ) in simulated flue gases at a low ...spectrometry, nitrogen adsorption and Boehm titration, and were compared with several commercial activated ...reduced nitrogen ...
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Atmospheric Carbon Dioxide and Nitrogen Oxides Emissions Data for 2003 2005 Model Year Trucks
... Available Data The data used in this paper were obtained from chassis testing on five heavy-duty trucks from the E-55/59 program [8]-[10], which was jointly sponsored by the Coordinating[r] ...
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Synthesis and Properties for Benzotriazole Nitrogen Oxides (BTzO) and Tris[1,2,4]triazolo[1,3,5]triazine Derivatives
... H and 13 C NMR spectroscopy. Most of them exhibit outstanding positive heat of formation (155-376 kJ/mol). Densities of these compounds fall in the range between 1.7321- 1.8847 g.cm -1 , which places them in a class of ...
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Assessment of Medical Personnel Exposure to Nitrogen Oxides During Inhaled Nitric Oxide Treatment of Neonatal and Pediatric Patients
... The system used during this study for administration of NO consisted of a prototype Ohmeda (Ohmeda PPD, Liberty Corner, NJ) INOvent Delivery System and either a conventional ventilator or a high frequency oscillatory ...
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Detecting and quantifying the contribution made by aircraft emissions to ambient concentrations of nitrogen oxides in the vicinity of a large international airport
... The aviation sector in the UK has grown five-fold in the past 30 years and is expected to increase by another 2-3 times by 2030 compared with current day estimates (DfT, 2003). In December 2003, the UK Department for ...
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Isotopic characterization of nitrogen oxides (NOx), nitrous acid (HONO), and nitrate (pNO3−) from laboratory biomass burning during FIREX
... Although our studied fuels are more complicated in compo- sition than a model system involving no more than a few starting species, results from the above studies provide fun- damental underpinnings for biomass ...
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Investigation into the Correlation Among Nitrogen Oxides and TSNAs in Flue-Cured Tobacco
... the balance nitrogen. The tank concentrations were approximately 2000 ppm for each species with the balance nitrogen. A Zelio Logic 2 (Telemecanique, Palatine, IL) programmable relay was used to energize an ...
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Catalysts for Nitrogen Oxides Control under Lean Burn Conditions2-11
... “he increasing concern about emissions of car- bon dioxide, as well as the three traditional pollutants, offers an oppor- tunity f o r catalyst technology to control nitrogen[r] ...
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