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Letteratura scientifica selezionata sul tema "Nitrogen oxides Environmental aspects"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 2 febbraio 2022

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Articoli di riviste sul tema "Nitrogen oxides Environmental aspects"

Fialko, Nataliia, Raisa Navrodska, Malgorzata Ulewicz, Georgii Gnedash, Sergii Alioshko, and Svitlana Shevcuk. "Environmental aspects of heat recovery systems of boiler plants." E3S Web of Conferences 100 (2019): 00015. http://dx.doi.org/10.1051/e3sconf/201910000015.

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The results of studies on improving the environmental characteristics of boiler plants of municipal heat-power engineering in the application of technologies for the deep recovery of heat from exhaust-gases of gas-fired boilers are presented. The data on the reduction of environment by reducing the amount and temperature of harmful emissions resulting from fuel combustion are given. The data are given for boiler plants equipped with complex heat-recovery systems characterized by cooling the exhaust-gases below the dew point of the water vapor contained in them. It is shown that the decrease in

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SOMESHWAR, ARUN V., JAY P. UNWIN, WILLIAM THACKER, LAUREL EPPSTEIN, and BARRY MALMBERG. "Environmental aspects of wood residue combustion in forest products industry boilers." March 2011 10, no. 3 (April 1, 2011): 27–34. http://dx.doi.org/10.32964/tj10.3.27.

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We conducted a comprehensive review of air emissions resulting from burning wood residues in industrial boilers and potential methods to control these emissions. This report compares average emissions with similar data published by the U.S. Environmental Protection Agency for the burning of fossil fuels coal, oil, and natural gas in industrial boilers. As compared with coal or oil combustion, wood combustion in boilers generally leads to lower emissions of trace metals, hydrochloric acid, sulfur dioxide (SO2), and nitrogen oxides (NOx); higher emissions of carbon monoxide, polyaromatic hydroca

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Mikulandric, Robert, Drazen Loncar, Dejan Cvetinovic, Gabriel Spiridon, and Daniel Schneider. "Improvement of environmental aspects of thermal power plant operation by advanced control concepts." Thermal Science 16, no. 3 (2012): 759–72. http://dx.doi.org/10.2298/tsci120510134m.

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The necessity of the reduction of greenhouse gas emissions, as formulated in the Kyoto Protocol, imposes the need for improving environmental aspects of existing thermal power plants operation. Improvements can be reached either by efficiency increment or by implementation of emission reduction measures. Investments in refurbishment of existing plant components or in plant upgrading by flue gas desulphurization, by primary and secondary measures of nitrogen oxides reduction, or by biomass co-firing, are usually accompanied by modernisation of thermal power plant instrumentation and control sys

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Gis, Wojciech, Maciej Gis, Jacek Pielecha, and Kinga Skobiej. "Alternative Exhaust Emission Factors from Vehicles in On-Road Driving Tests." Energies 14, no. 12 (June 11, 2021): 3487. http://dx.doi.org/10.3390/en14123487.

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On-road driving tests are performed to determine the emission of harmful exhaust compounds from vehicles. These primarily include carbon dioxide, nitrogen oxides, and particle number. However, there is a lack of indicators that combine the first three substances that are the most important in assessing the environmental aspects of vehicles. The purpose of this article is to indicate the possibility of assessing emissions in real driving conditions from light-duty and heavy-duty vehicles of different categories. In order to do so, a portable emissions measurement system (PEMS) and an instrument

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Madejska, Beata. "Legal aspects of low-emission shipping in the light of provisions of “sulphur directive” adopted by the European Union." Polish Maritime Research 20, no. 4 (December 1, 2013): 87–94. http://dx.doi.org/10.2478/pomr-2013-0045.

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ABSTRACT Shipping emits a variety of air pollutants: sulphur dioxide (SOx), nitrogen oxides (NOx), carbon dioxide (CO2) and particulate matter PM. Air pollutant emissions from maritime transport can be transported over long distances and thus increasingly contribute to air quality problems. Key environmental regulations (international and European) coming into force in this decade address emissions of SOx, NOx, CO2 and PM to control and limit their impact in the atmosphere. In the European Union, accordingly to the legal regulations, in the sulphur emission control areas the required SOx conte

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Bebkiewicz, Katarzyna, Zdzisław Chłopek, Hubert Sar, and Krystian Szczepański. "Comparison of pollutant emission associated with the operation of passenger cars with internal combustion engines and passenger cars with electric motors." International Journal of Energy and Environmental Engineering 12, no. 2 (January 21, 2021): 215–28. http://dx.doi.org/10.1007/s40095-021-00382-4.

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AbstractEnergy consumption and pollutant emission aspects were ascertained for cars under traffic conditions: in cities, outside cities, on motorways and expressways, with the use of data from the inventory of emissions from road transport in Poland in 2018. The values of characteristics of energy consumption under model traffic conditions, as well as pollutant emissions and energy consumption of cars with internal combustion engines and cars with electric motors, constituted the basis for further analyses and conclusions about the characteristics of the vehicles under the study in terms of en

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Kowalski, Arkadiusz, and Robert Waszkowski. "Method of Selecting the Means of Transport of the Winning, Taking into Account Environmental Aspects." Applied Sciences 11, no. 12 (June 14, 2021): 5512. http://dx.doi.org/10.3390/app11125512.

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The transport of the winning in deep mines, using the room and pillar mining system, is most often performed with bucket loaders and haul trucks. In the era of attempts to stop rapid climate change, it is crucial to choose the transport means for the winning both in terms of efficiency and cost-effectiveness and to consider its environmental aspect. Permissible levels of pollutant emissions in exhaust gases are defined for this type of means of transport by the EU Stage Standards. There is a discernible need to develop a multi-criteria method supporting the decision-making process, which shoul

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Ciobanu, Gheorghe, Cornelia Ciobanu, Cornel Domuta, Nicolae Csep, and Petru Burescu. "Environmental Consequences of Efficient Use of Nitrogen Fertilizers." Acta Agraria Debreceniensis, no. 1 (May 12, 2002): 41–46. http://dx.doi.org/10.34101/actaagrar/1/3535.

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Nitrogen fertilizer represents major economic burden. For this reason, although the efficiency of nitrogen utilization varies highly, its actual use generally remains at low levels; these averaging between 25 and 50%. We set up an experiment at the Oradea Research Station, using 15N labeled fertilizers, in order to investigate the possibility of increasing N fertilizer efficiency in winter wheat under irrigation conditions.Fertilizers labeled with 15N allows us to individually determine its effect on yield formation, as well as the use efficiency of N from fertilizer following application rate

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Unwin, R. J. "Nitrogen cycling on the livestock farm." Proceedings of the British Society of Animal Production (1972) 1986 (March 1986): 45. http://dx.doi.org/10.1017/s0308229600015567.

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The environmental or polluting aspects of nitrogen in relation to livestock farms are gaseous losses to the atmosphere, nitrate leaching into water supplies and the eutrophication of surface waters. Gaseous losses of ammonia by volatilisation from organic materials and denitrification losses from soil as nitrogen and nitrous oxide have been at various times implicated in acid rain, photochemical smogs and effects on the ozone layer although the latter is now largely discounted. Nitrate leached from soil may pass rapidly into surface waters where it can affect quality for drinking or encourage

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Mahmud, Kishan, Dinesh Panday, Anaas Mergoum, and Ali Missaoui. "Nitrogen Losses and Potential Mitigation Strategies for a Sustainable Agroecosystem." Sustainability 13, no. 4 (February 23, 2021): 2400. http://dx.doi.org/10.3390/su13042400.

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Nitrogen (N) in the agricultural production system influences many aspects of agroecosystems and several critical ecosystem services widely depend on the N availability in the soil. Cumulative changes in regional ecosystem services may lead to global environmental changes. Thus, the soil N status in agriculture is of critical importance to strategize its most efficient use. Nitrogen is also one of the most susceptible macronutrients to environmental loss, such as ammonia volatilization (NH3), nitrous oxide (N2O) emissions, nitrate leaching (NO3), etc. Any form of N losses from agricultural sys

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Più fonti

Tesi sul tema "Nitrogen oxides Environmental aspects"

Ahmed, Sauda. "Modeling of Ultrafine Particle Emissions and Ambient Levels for the Near Roadside Environment." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3506.

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Various epidemiological studies have linked exposure to Ultrafine Particles (UFP; diameter< 100 nm) to adverse health impacts. Roadway traffic is one of the major sources of UFPs and heavily influences UFP concentrations in the nearby vicinity of major roadways. Modeling efforts to predict UFPs have been limited due to the scarcity of reliable information on emissions, lack of monitoring data and limited understanding of complex processes affecting UFP concentrations near sources. In this study continuous measurement of ultrafine particle number concentrations (PNC) and mass concentrations of

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Nordin, Anders. "On the chemistry of combustion and gasification of biomass fuels, peat and waste : environmental aspects." Doctoral thesis, Umeå universitet, Kemiska institutionen, 1993. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110672.

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Crawford, Ian Stewart. "Catalytic reduction of nitric oxide by carbon monoxide or hydrogen over a Monel metal catalyst." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09EN/09enc899.pdf.

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Thornton, Matthew Jaeger. "Modal vehicle activity on freeways and freeway onramps : an assessment of the oxides of nitrogen emissions impacts resulting from changes in vehicle operating mode due to ramp metering systems." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/20785.

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Lim, Guo Quan. "Evaluation of the Influence of Non-Conventional Sources of Emissions on Ambient Air Pollutant Concentrations in North Texas." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc804841/.

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Emissions of air pollutants from non-conventional sources have been on the rise in the North Texas area over the past decade. These include primary pollutants such as volatile organic compound (VOC) and oxides of nitrogen (NOx) which also act as precursors in the formation of ozone. Most of these have been attributed to a significant increase in oil and gas production activities since 2000 within the Barnett Shale region adjacent to the Dallas-Fort Worth metroplex region. In this study, air quality concentrations measured at the Denton Airport and Dallas Hinton monitoring sites operated by t

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Shihady, Steven. "TREATMENT OF NITROGEN OXIDES BY CHLORELLA VULGARIS ALGAE IN PHOTOBIOREACTORS." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1284.

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The effectiveness of algae to treat NO2and NO in simulated flue gas was tested using Chlorella vulgaris in photobioreactors (PBRs) using NOxconcentrations between 30 ppm to 780 ppm. NOxdissolved and reacted in water to form NO3-and NO2-in the PBR growth medium, providing a nitrogen source that the algae readily assimilated for cell synthesis. Three 20-L photobioreactors were inoculated with a pure culture of C. vulgaris prepared in Bristol growth medium and algae were grown in the PBRs at 25°C and pH of 7.0 in a modified Bristol medium that did not contain nitrogen compounds. The C. vulgaris g

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Walecka-Hutchison, Claudia. "Nitrogen dynamics in diesel biodegradation : effects of water potential, soil C:N ratios, and nitrogen cycling on biodegradation efficacy." Diss., The University of Arizona, 2005. http://hdl.handle.net/10150/191274.

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Respirometric experiments were performed to evaluate the role of nitrogen in aerobic diesel biodegradation. Specific objectives included 1) evaluating the effects of water potential induced by various nitrogen amendments on diesel biodegradation rates in arid region soils, 2) comparing concurrent effects of C:N ratios and soil water potential on diesel degradation rates, and 3), measuring gross rates of nitrogen cycling processes in diesel-contaminated soil to determine duration of fertilizer bioavailability. In all studies, increasing nitrogen fertilization resulted in a decrease in total wat

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Samoylov, Alexander V. "Improvement of the efficiency of vehicle inspection and maintenance programs through incorporation of vehicle remote sensing data and vehicle characteristics." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50410.

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Emissions from light-duty passenger vehicles represent a significant portion of total criteria pollutant emissions in the United States. Since the 1970s, emissions testing of these vehicles has been required in many major metropolitan areas, including Atlanta, GA, that were designated to be in non-attainment for one or more of the National Ambient Air Quality Standards. While emissions inspections have successfully reduced emissions by identifying and repairing high emitting vehicles, they have been increasingly inefficient as emissions control systems have become more durable and fewer vehicl

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Cochlan, William Patrick. "Nitrogen uptake by marine phytoplankton : the effects of irradiance, nitrogen supply and diel periodicity." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/30628.

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Diel patterns of nitrogen (NO₃⁻, NH₄⁺, urea) uptake were investigated in natural assemblages of phytoplankton from neritic and oceanic environments off the coast of British Columbia. This is the first study to report nitrogen uptake rates and extensive measurements of ambient NH₄⁺ and urea concentrations in these waters. Calculated rates of N uptake, 15 based on ¹⁵N incorporation into particulate matter during time course experiments, were maximal during the day and minimal at night. Besides the obvious effects of irradiance, the amplitude of the periodicity in uptake rate was influenced

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Hengnirun, Somgiat. "A computer simulation model for manurial nitrogen management : environmental aspects (MANIMEA)." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40357.

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The MANIMEA $ rm ( underline{MA}nurial underline{NI}trogen underline{M}anagement{:} underline{E}nvironmental underline{A}spects)$ model is a one-dimensional dynamic model that simultaneously simulates nitrogen transformations (volatilization, net mineralization-immobilization, and denitrification), nitrogen transport (runoff and leaching), plant uptake, and adsorption in homogeneous, unsaturated soils. The simulated system is divided into two components: the applied manure layer and the soil. The model describes the transformation processes occurring in both components separately. It is also c

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Più fonti

Libri sul tema "Nitrogen oxides Environmental aspects"

Picard, David J. Emission inventory of sulphur oxides and nitrogen oxides in Alberta. Calgary: Acid Deposition Research Program, 1987.

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Jaakkola, Antti. Typen oksidien päästöt Suomessa 1980- ja 1990- luvuilla. Helsinki: Ympäristöministeriö, Ympäristön- ja luonnonsuojeluosasto, 1986.

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O'Donnell, C. Nitrogen oxides monitoring at Rathmines: Assessment of levels in an inner suburb of Dublin city. Wexford: E.P.A., 1996.

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Gschwandtner, Gerhard. Comparison of historic SOb2s and NOx emission data sets: Project summary. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1988.

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Braun, Elizabeth. Reactive nitrogen in the environment: Too much or too little of a good thing. Paris: UNEP DTIE, Sustainable Consumption and Production (SCP) Branch, 2007.

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Khodakov, I︠U︡ S. Oksidy azota i teploėnergetika: Problemy i reshenii︠a︡. Moskva: OOO "ĖST-M", 2001.

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Shareef, S. A. Fired heaters: Nitrogen oxides emissions and controls : project summary. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1988.

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Gutt, Elissa. Building on 30 years of Clean Air Act success: The case for reducing NOx air pollution. Boulder: Environmental Defense, 2000.

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Management, Wisconsin Bureau of Air. Nitrogen oxide emissions in Wisconsin: Final report : an assessment of effects, costs for reduction and recommendations for action. Madison, Wis. (Box 7921, Madison 53707): The Bureau, 1992.

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Jenkins, Gilbert. Nitrogen in fossil fuels worldwide and nox emissions. [England: s.n., 1992.

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Più fonti

Capitoli di libri sul tema "Nitrogen oxides Environmental aspects"

Srivastava, H. S. "Nitrogen Oxides and Nitrogen Nutrition in Plants." In Environmental Stress: Indication, Mitigation and Eco-conservation, 121–34. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9532-2_11.

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Németh, T. "Long-term N-fertilization calibration experiments — environmental aspects." In Nitrogen Economy in Tropical Soils, 371–77. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1706-4_36.

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Hakeem, Khalid Rehman, Muhammad Sabir, Munir Ozturk, Mohd Sayeed Akhtar, and Faridah Hanum Ibrahim. "Nitrate and Nitrogen Oxides: Sources, Health Effects and Their Remediation." In Reviews of Environmental Contamination and Toxicology, 183–217. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/398_2016_11.

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Mills, Aaron L. "Qualitative and Quantitative Aspects of the Modern Nitrogen Cycle." In Advances in Environmental Microbiology, 31–63. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10777-2_2.

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Hakeem, Khalid Rehman, Muhammad Sabir, Munir Ozturk, Mohd Sayeed Akhtar, and Faridah Hanum Ibrahim. "Erratum to: Nitrate and Nitrogen Oxides: Sources, Health Effects and Their Remediation." In Reviews of Environmental Contamination and Toxicology, E1. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51243-3_15.

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Nichols, Albert L. "Designing a Trading Programme for Emissions of Nitrogen Oxides in the Northeastern United States." In Environmental Policy Between Regulation and Market, 171–97. Basel: Birkhäuser Basel, 1997. http://dx.doi.org/10.1007/978-3-0348-9012-0_8.

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Tagliavini, M., D. Scudellazi, B. Marangoni, and M. Toselli. "Nitrogen fertilization management in orchards to reconcile productivity and environmental aspects." In Fertilizers and Environment, 161–70. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1586-2_27.

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Shaviv, A. "Plant response and environmental aspects as affected by rate and pattern of nitrogen release from controlled release N fertilizers." In Progress in Nitrogen Cycling Studies, 285–91. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-5450-5_48.

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Ferouani, Abdel Karim, Fatiha Lassouani, Chawki Ougherb, Souhila Askri, and Mostefa Lemerini. "Contribution of the Spatio-temporal Evolution of Reduced Electric Field on the Conversion of Nitrogen Oxides." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition), 383–88. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-51210-1_61.

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Pettorelli, Nathalie. "Satellite remote sensing, environmental quality, and human health and wellbeing." In Satellite Remote Sensing and the Management of Natural Resources, 120–32. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198717263.003.0009.

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This chapter reviews how satellite data can provide key information relevant to efforts to improve human health and wellbeing. It first discusses how satellite remote sensing can be used to track, predict, and manage vectorborne disease such as malaria, dengue fever, and trypanosomiasis. The second section of this chapter focuses on the use of satellite data to monitor air quality, looking at how satellites can help (1) track air pollution associated with the release of harmful substances into the atmosphere through human activities, such as nitrogen oxides, carbon monoxide, and chlorofluorocarbons (CFCs); (2) detect and forecast outbreaks of airborne substances that trigger an allergic reaction, such as pollen grains; (3) assess emissions from volcanic eruptions; and (4) monitor dust storms in space and time. The third part of this chapter explores how satellite data can be used to report on water quality, detailing how these data can be used to predict and manage harmful algae blooms and to study eutrophication. The fourth section addresses satellite remote sensing in the context of human wellbeing, highlighting how satellite data can be used to estimate economic welfare and poverty, and how this information can be used to test various hypotheses pertaining to the role of greenness in determining various aspects of our physical and mental health.

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Atti di convegni sul tema "Nitrogen oxides Environmental aspects"

Andreini, A., B. Facchini, L. Mangani, and F. Simonetti. "Development and Validation of a 1-D Tool for Thermoacoustic Instabilities Analysis in Gas Turbine Combustors." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-51248.

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In the last years, the more restrictive environmental legislations have constrained gas turbine manufacturers to the development of new low-emission combustors. Lean Premixed technology has become a necessary standard to meet emissions requirements and allowing an heavy reduction of nitrogen oxides emission. This kind of technology, due to the use of lean premixed mixtures, is severely affected by thermoacoustic phenomena which cause damages to combustor components and consequently reduce the overall gas turbine life of a factor of two or more. Specifically, premixed flames pose the threat of

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Tanoura, Manazumi, Kenji Muta, Kohtaro Fujimura, and Kimishiro Tokuda. "Detection of nitrogen oxides by high-resolution near-infrared absorption spectroscopy." In Environmental Sensing III, edited by Maurus Tacke and Winfried Stricker. SPIE, 1997. http://dx.doi.org/10.1117/12.274776.

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Bainier, Francis, Pascal Alas, Florian Morin, and Tony Pillay. "Two Years of Improvement and Experience in PEMS for Gas Turbines." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56138.

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Due to environmental regulations, Nitrogen oxides (NOx), Carbon Monoxide (CO) and Sulfur Dioxide (SO2) emissions are key issues for gas turbine plants. Regulators are becoming more and more involved and they often require complete and real-time emission information. The measurements can be done with gas analyzers, this technology is called CEMS: Continuous Emissions Monitoring System. An alternative method [1][2] is to use a calculation based on the turbine instrumentation. This technology is called PEMS: Predictive Emissions Monitoring System. But these technologies do not provide all the inf

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Zolata, Hasan, Cesar Celis, Vishal Sethi, Riti Singh, and David Zammit-Mangion. "A Multi-Criteria Simulation Framework for Civil Aircraft Trajectory Optimisation." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38237.

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Over the past few years, great concern has been raised about the impact of commercial aviation on the environment. In a Business As Usual approach, the expected growth in air traffic is going to affect climate change even more unless mitigation policies are devised and implemented. Although there is a tendency to focus on long-term technological solutions and breakthroughs, short-term improvements applicable to existing aircraft/engine configurations are also very important to fully realise the benefits of new technologies. Aircraft trajectory optimisation presents the opportunity to effective

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Ligang Zheng, Shuijun Yu, and Minggao Yu. "Prediction of nitrogen oxides from coal combustion by using response surface methodology." In 2012 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM 2012). IEEE, 2012. http://dx.doi.org/10.1109/cdciem.2012.126.

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Bainier, Francis, and Florian Havard. "Setting Up and Managing a PEMS Mathematical Formula to Fully Respond to the Expectations of the Regulator." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25242.

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Due to environmental regulations, Oxides of nitrogen (NOx) and carbon monoxide (CO) are important issues for gas turbine plants. Regulators are becoming more and more involved and they often require overall and real-time emission information. These measurements can easily be done with gas analyzers. This technology is called CEMS: Continuous Emissions Monitoring System. With CEMS, regulators easily understand proofs such as calibration and certificate. However, this technology is expensive to buy and to maintain. An alternative method is to use a calculation based on the turbine operation. Thi

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Tejwani, Gopal D. "Transmittance and Radiance Computations for Rocket Engine Plume Environments." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47406.

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Rocket engine exhaust plume is generally thermal in character arising from changes in the internal energy of constituent molecules. Radiation from the plume is attenuated in its passage through the atmosphere. In the visible and the infrared region of the spectrum for clear-sky conditions, this is caused mainly through absorption by atmospheric molecular species. The most important combustion-product molecules giving rise to emission in the IR are water vapor, carbon dioxide, and carbon monoxide. In addition, the high temperature plume reacting with the surrounding atmosphere may produce nitro

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Hetz, Andrew A., and David J. Shotts. "Nitrogen Oxides Control Selection for a Utility Combined Cycle Power Plant." In 1987 Joint Power Generation Conference: GT Papers. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-jpgc-gt-3.

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Recently, the combined cycle gas turbine has become a leading candidate among generating alternatives. Under the Clean Air Act, all utility-scale gas turbines must undergo air quality permitting before construction. Owners of these turbines must satisfy the requirements of either the federal Non-attainment program or the Prevention of Significant Deterioration program, depending on the air quality of the region. Both programs require that an analysis of applicable pollutant controls be included in the permit application. This paper presents a determination of the best available control technol

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Sudarev, A. V., Y. I. Zakharov, E. D. Vinogradov, S. Vesely, and G. Poslushny. "Gas Turbine Units for Pipeline Compressor Stations: Environmental Update Problems." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-497.

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The exhaust of nitrogen oxides into atmosphere is the most stringent environmental challenge in the operation of gas pipeline gas turbine plants. In 1991–1993 NITI EM along with EKOL retrofitted over 170 GTK-10 and GT-750-6 type gas turbine combustors of the “Tyumentransgas” and “Transit” (Czech Republic) gas transmission enterprises. Operations were carried out directly at the gas pumping stations. Emissions of the retrofitted units are within a range of 135–175 mg/Nm3 of oxides of nitrogen (NOx) referred to 15% O2 and carbon monoxide (CO) content of the exhaust gases does not exceed 100 mg/N

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Gao, Tongyang, Shui Yu, Kelvin Xie, Marko Jeftic, Meiping Wang, and Ming Zheng. "The Estimation of Nitrogen Oxides Reduction Potential Through Enhanced Heat Release Analysis." In ASME 2016 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icef2016-9440.

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Abstract (sommario):

An enhanced heat release analysis method is proposed to investigate the NOx emission reduction potential in diesel low temperature combustion and the combustion of premixed ethanol ignited by diesel injections. The heat release analysis from the in-cylinder pressure is a commonly applied diagnostic tool to gain insights in various aspects of combustion, such as start of combustion, ignition delay, combustion phasing, and combustion duration. However, these parameters are more qualitative than quantitative when they are correlated to engine efficiency and emissions. The results are often incons

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Rapporti di organizzazioni sul tema "Nitrogen oxides Environmental aspects"

Rosocha, L. A., A. W. Miziolek, M. J. Nusca, J. S. Chang, and J. T. Herron. Reactions of oxides of nitrogen (NO{sub x}) leading to the formation of nitric acid (HNO{sub 3}) in non-thermal plasmas (NTPs). White paper for the Strategic Environmental Research and Development Program (SERDP) (Compliance Project CP-1038: Development of non-thermal plasma reactor technology for control of atmospheric emissions). Office of Scientific and Technical Information (OSTI), August 1998. http://dx.doi.org/10.2172/334238.

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