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18 results for “pollutant emission”
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Research ArticleOpen accessIn the abstractDaily distribution Map of Ozone (O3) from AIRS over Southeast AsiaJasim M. Rajab, M.Z. MatJafri, H.S. Lim, K. AbdullahProblem statement: Daily retrieved Ozone (O3) column data for 12 day for periods varying (11-18 August) 2005 and 2003 and (12-19 February) 2005, obtained from the Atmospheric Infrared Sounder AIRS, are utilized to investigate the ozone distribution over the Southeast Asia. Approach: AIRS included on the Earth Observing System (EOS) Aqua satellite launched on 4 May 2002. Ozone (O3) is … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,974 accessesView PDFCite
Research ArticleOpen accessIn the abstractPollution Sources and Standards of Cashew Nut ProcessingAtul Mohod, Sudhir Jain, A. G. PowarProblem statement: India is largest producer, processor, exporter and second largest consumer of cashew in the world with annual production of 6,20,000 MT. India processed about 1.18 million MT of raw cashew seeds through 3650 cashew processing industries scattered in many states of country. The cashew industries employed different unit operations/ methodologies for processing depend on variety of raw material, … …American Journal of Environmental Sciences, Vol. 6, Issue 4 · 31 Aug 2010 · 7,798 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Air Pollution on Ozone Layer Thickness in Troposphere over the State of KuwaitH. O. Al Jeran, A. R. KhanTroposphere ozone layer acts as a shield against all ultraviolet radiation approaching the planet Earth through absorption. It was noticed in mid 80s that ozone layer has thinned on the poles of the planet due to release of man-made substances commonly known as Ozone Depleting Substances, (ODS) into its atmosphere. The consequences of this change are adverse as the harmful … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 19,488 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiesel Engine Convert to Port Injection CNG Engine Using Gaseous Injector Nozzle Multi Holes Geometries Improvement: A ReviewSemin, Abdul Rahim Ismail, Rosli Abu BakarThe objective of this study was to review the previous research in the development of gaseous fuel injector for port injection CNG engine converted from diesel engine. Problem statement: The regular development of internal combustion engines change direction to answer the two most important problems determining the development trends of engines technology and in particular, their combustion systems. They were … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Apr 2009 · 8,631 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparison and Parametric Study of Flameless Oxidation in a Gas Turbine Using Two Kinetics MechanismsMohamed Hamdi, Hmaïed Benticha, Mohamed SassiThe so-called "Flameless Oxidation" is a novel combustion mode, in which combustion products are re-circulated and mixed into the fresh incoming fuel and air streams. This reduces the concentration of the reactants and thereby reducing the reaction rate through avoiding the formation of sharp high temperature zones in the combustion chamber. Flameless combustion has been acknowledged as one of the … …American Journal of Environmental Sciences, Vol. 4, Issue 5 · 31 Oct 2008 · 6,950 accessesView PDFCite
Research ArticleOpen accessIn the abstractEstimation of Vehicle Flows and Emissions for Various Scenarios of Street Network Modifications in Mexico CityAngelica Lozano, Francisco Granados, Juan Pablo AntunWe estimate flows and emissions (NOx, HC, CO) generated by vehicles circulating on the main streets of the Mexico City Metropolitan Area. The estimation is made for various scenarios, which include a set of changes to the street network for current and future horizons. These changes encompass the construction of new arcs or improvement of existing arcs. Network flows are … …American Journal of Environmental Sciences, Vol. 4, Issue 3 · 30 Jun 2008 · 6,214 accessesView PDFCite
Research ArticleOpen accessIn the abstractContributions To The Study Of Heavy Metals Concentration Variation In Sedimentable Dusts According To The Distance From The Pollution SourceMariana DOBRA, Vasile VIMAN, Gheorghe VÂTCĂThe environment in areas where geological and mining activities, such as the extraction of ores containing heavy metals, take place, is heavily polluted with dusts resulting from these activities, as well as with residual waters from the mines. Depending on the meteorological conditions, as well as on the conditions under which sedimentable dusts or dusts in suspension are emitted into … …American Journal of Environmental Sciences, Vol. 2, Issue 3 · 30 Sep 2006 · 6,968 accessesView PDFCite
Research ArticleOpen accessIn the abstractRAM 1.0 Software for Gaussian-Plume Multiple Source Air Quality SimulationLiren Yu, Paulo I.F. de AlmeidaThis study presents a developed software in environmental engineering, namely RAM 1.0 (RAM: Regulatory Air Model), adopted completely Graphical User Interface (GUI) technique, for operating in various Windows-based microcomputers. RAM 1.0 software consists of the improved RAM Model and RAM Algorithm as well as developed RAM 1.0 Graphical User Interface, respectively. RAM Model takes into account different ambient characteristics, meteorological … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,458 accessesView PDFCite