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Dissertations / Theses on the topic 'Emissifs'

Author: Grafiati

Published: 25 May 2024

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1

Troiville-Cazilhac, Robin. "Novel gain materials for high-performance organic solid-state lasers." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS599.pdf.

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Dans ce travail, nous avons abordé la synthèse de nouveaux matériaux à gain pour des applications en laser organique. Dans un premier chapitre, nous avons préparé trois nouveaux copolymères alternant des motifs donneurs (D) et accepteurs (A) d'électrons. Le premier polymère, PF8Tz8, incorporant des unités D fluorène et A triazole, a démontré des propriétés de gain optique en couche mince, avec un seuil d’émission spontanée amplifiée (ASE) de 105 µJ.cm-2. Par la suite, l’utilisation de systèmes hôte/invité et différentes étapes d'optimisation, nous ont permis d’abaisser le seuil d’ASE à une val

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2

Ariotti, Paula. "Método para aprimorar a estimativa de emissões veiculares em áreas urbanas através de modelagem híbrida em redes." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/21922.

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Este estudo tem por objetivo propor um método para aprimorar a estimativa de emissões veiculares em áreas urbanas através da utilização de modelagem híbrida de tráfego associada a modelos de previsão de emissões. A modelagem híbrida agrega as vantagens individuais das abordagens agregada e desagregada de tráfego, uma vez que combina a micro-simulação de tráfego em áreas específicas com a simulação agregada em uma área de estudo mais abrangente. O método proposto neste trabalho foi consolidado a partir do desenvolvimento de um estudo de caso que consistiu na modelagem de uma rede viária com car

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Lemos, Joewander Fernandes. "Poluição veicular: Avaliação dos impactos e benefícios ambientais com a renovação da frota veicular leve na cidade de São Paulo." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/86/86131/tde-20082010-200639/.

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Este estudo faz uma análise dos níveis de emissões veiculares relacionados com os problemas de poluição na cidade de São Paulo. Utilizando a metodologia denominada bottom-up, avalia de forma teórica os índices de poluentes que saem pelo tubo de escapamento da maior frota de veículos leves do país. São abordados tópicos relacionados com o dia-a-dia da cidade como crescimento da frota, combustíveis, transporte público, poluição atmosférica e seus efeitos à saúde e ainda a influência atmosférica na região. Foram feitas diversas simulações no decorrer do estudo denominadas de cenários, que são ba

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Jooste, Dustin. "Emissions trading scheme for South Africa : opportunities and challenges." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/79330.

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ENGLISH ABSTRACT: This research report aims to determine whether an emissions trading scheme or carbon tax is the most suitable market-based emissions reduction mechanism for South Africa, given its multiple environmental, social and economic objectives. Key factors considered in this comparison include: environmental effectiveness; economic efficiency; social welfare impacts; public finance considerations; administrative complexity and costs; and, finally, the relationship to global greenhouse gas reduction mechanisms. These factors are compared in the short and long term to determine w

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5

Nord, Kent. "Particles and unregulated emissions from CI engines subjected to emission control /." Luleå : Luleå University of Technology, 2005. http://epubl.luth.se/1402-1544/2005/09.

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Bowerman, Niel H. A. "Emission targets for avoiding dangerous climate change." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:a330ad41-54e4-46d7-99b5-110bd40a820b.

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A number of recent studies have found a strong link between peak global warming due to anthropogenic carbon dioxide and cumulative carbon emissions from the start of the industrial revolution. This thesis builds on this work by using a simple climate model to apply the concept of cumulative emissions to emission floors, by comparing cumulative emissions with other types of emissions target, and by extending the work to apply to noncarbon dioxide (CO<sub>2</sub>) greenhouse gases and short-lived climate forcers (SLCFs). Though peak global warming correlates well with cumulative carbon emissions

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de, Souza Nayara. "Total Fume Emissions and Emission Factors Applicable to Gas Metal Arc Welding." ScholarWorks@UNO, 2019. https://scholarworks.uno.edu/td/2603.

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Welding is a common industrial practice that has the potential to emit air pollutants. Emission factors are useful indicators to help in the understanding of the extent of pollution from a process and managing them to reduce or minimize health impacts. The objective of this thesis is to determine emission factors applicable to the gas metal arc welding (GMAW), under varying current and voltage conditions. The most used base metals and an electrode for the shipbuilding industry were considered. A weld fume chamber was used to achieve the project goals along with standard sampling and analytical

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8

Kim, Tae-Kyung. "Dynamic analysis of sulfur dioxide monthly emissions in U.S. power plants." Columbus, Ohio : Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1086195964.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xviii, 218 p.; also includes graphics. Includes abstract and vita. Advisor: Jean Michael Guldmann, City and Regional Planning Graduate Program. Includes bibliographical references (p. 130-133).

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Wang, Lina. "Quantification of particle emission characteristics and development of an emission model for use in transport microenvironments affected by traffic emissions." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/46912/1/Lina_Wang_Thesis.pdf.

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Vehicle emitted particles are of significant concern based on their potential to influence local air quality and human health. Transport microenvironments usually contain higher vehicle emission concentrations compared to other environments, and people spend a substantial amount of time in these microenvironments when commuting. Currently there is limited scientific knowledge on particle concentration, passenger exposure and the distribution of vehicle emissions in transport microenvironments, partially due to the fact that the instrumentation required to conduct such measurements is not avail

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Liu, Xin. "Emission Trading For China : the inspiration from the European Union Emissions Trading Scheme." Thesis, KTH, Industriell ekologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-58643.

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How to avoid and deal with dangerous climate change, which will have catastrophic economic and social consequences, has already become the focus worldwide. From the UNFCCC to the UN Climate Change Conference in Copenhagen, the international community has been trying to find effective means to reduce GHGs. Facing both internal demand and external pressure, as the largest carbon dioxide emitter, China needs to make further efforts to reduce CO2 emissions. So far, emission trading, especially the EU ETS has proved to be a good system to reduce emissions with low cost. In this thesis, the valuable

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Douglas, Philippa. "Bioaerosol emissions from open windrow composting facilities : emission characterisation and dispersion modelling improvements." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8061.

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Bioaerosol emissions from open windrow composting facilities are becoming of increasing concern due to the negative health effects associated with bioaerosols, and the fact that emissions from open windrow facilities are not contained. Current bioaerosol monitoring techniques provide only a snapshot of bioaerosol concentrations spatially and temporally, whereas dispersion models have the potential to offer a more continual overview of bioaerosol levels, alongside existing sampling methods. However, dispersion models have not been successful at accurately predicting bioaerosol concentrations fr

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Glader, Annika. "Chemical emissions from building structures : emission sources and their impact on indoor air." Licentiate thesis, Umeå universitet, Yrkes- och miljömedicin, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-55196.

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Chemical compounds in indoor air can adversely affect our comfort and health. However, in most cases there is only a limited amount of information available that can be used to assess their health risk. Instead the precautionary principle is often applied, i.e. efforts are made to ensure that the concentrations of pollutants are kept at a minimum when constructing new buildings or conducting renovations by using low-emitting building materials. Today, when investigating buildings in order to solve indoor air quality problems, volatile organic compounds (VOCs) are sampled in the air within room

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Kašparová, Pavlína. "Povolenky k emisím CO2 v účetnictví." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-4685.

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The graduation theses is focused on problems of emission rights. The graduation theses is describing when and where has been firstly started talking about emission rights and why, what has been developement of emission rights prices on the stock markets since their implementation in 2005 and what was the impact on the financial statements. The main part of the gradiation theses is about financial reporting. There is described a few of possible methods how to enter it in the books with concrete examples each of them. There is not missing historically first sollution of the emission rights bookk

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Fichter, Christine. "Climate impact of air traffic emissions in dependency of the emission location and altitude." Thesis, Manchester Metropolitan University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499573.

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This research approaches the questions "to what future worlds of work do women executives aspire, and how might these aspirations be accomplished?" This is undertaken through a futures study within the banking and professional services industries, in which, despite over 30 years of organisational initiatives, legislation, research and social change, there are few women in executive positions.

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Jankord, Gregory J. "Control of Criteria Emissions and Energy Management in Hybrid Electric Vehicles with Consideration of Three-Way Catalyst Dynamics." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1590685712358423.

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Reniers, Jorn. "Analysis of a real-time signal for greenhouse gas emissions of district heating consumption." Thesis, KTH, Industriell ekologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-169508.

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The district heating system (DHS) of Stockholm is one of the largest systems in the world with a total yearly production of 10TWh of heat and 2TWh of electricity (through combined heat and power plants). Large amounts of greenhouse gasses (GHG) are emitted to produce this heat and electricity. Given the goal of the City of Stockholm to reduce the amount of GHG emissions to 3 ton per capita in 2015 and to keep reducing emissions at a similar rate after 2015, it is important to identify the potentials for further reductions. Numerous studies have been done on how the DHS can become more sustaina

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Zheng, Zhanghua. "Overall CO2 efficiency assessment for a low carbon energy system." Thesis, University of Bath, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619233.

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Decarbonization of the power sector is of great importance for the transition to a sustainable and low-carbon world economy. Estimating carbon efficiency in the power sector is a key step to grasp the impact of demand-side usage changes and evaluate their potential environmental benefits. In order to quantify the environmental benefits of demand-side usage changes, Average Emission Factor (AEF) and Marginal Emission Factor (MEF) have been proposed in the electrical power sector. AEF is defined as the ratio of the total CO2 emitted in the system to the total electricity generated. It is an effe

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Franco, García Vicente. "Evaluation and improvement of road vehicle pollutant emission factors based on instantaneous emissions data processing." Doctoral thesis, Universitat Jaume I, 2014. http://hdl.handle.net/10803/146187.

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<p>Introduction<br/> Current instrumentation makes it possible to measure vehicle emissions with high temporal resolution. But the increased resolution of emissions signals does not equate with increased accuracy. A prerequisite for the derivation of accurate emission factors from instantaneous vehicle emissions data is a fine allocation of measured mass emissions to recorded engine or vehicle states. This poses a technical challenge, because vehicle emission test facilities are not designed to support instantaneous emissions modelling, and they introduce distorting effects that compromise th

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Link, Christoph, Juliane Stark, Axel Sonntag, and Reinhard Hössinger. "Contribution of an emission trading scheme to reduce road traffic induced CO2 emissions in Austria." Elsevier, 2012. http://dx.doi.org/10.1016/j.sbspro.2012.06.1170.

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The Emission Trading Scheme for green house gases is a key tool of European climate protection. Including the road transport sector might be a promising strategy to limit its CO2 emissions. This could be realized within a common market (trans-sectoral trading permitted) or separated markets (trans-sectoral trading not permitted). Starting from different assumptions on emission reduction objectives, the impact of both options is analyzed using a quantitative model. Although an emission trading scheme is ecologically effective regardless of the trading model, it turns out that CO2 emissions and

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Nemalapuri, Vijay Krishna. "Impact of Traffic Operations on Carbon Monoxide Emissions Analysis." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1282322424.

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Celis, Chris. "A fossil-free Sweden in 2050, and the impact on Swedish emissions : A consumption-based scenarios approach." Thesis, Mittuniversitetet, Institutionen för ekoteknik- och hållbart byggande, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-39213.

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Sweden has the goal to reduce greenhouse gas emissions without increasing emissions abroad. This study uses consumption-based emissions data from the PRINCE-project to show where emissions from Swedish consumption take place and how large the share of fossil fuel emissions is. Scenarios are made to compare the emission reductions from reducing the use of fossil fuels to the potential for emission reductions by changes in consumption patterns for three main consumption groups, food, buildings & construction, and transport. These three consumption groups represent 67 % of the Swedish consump

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Ellison, Richard Bachman. "Understanding dynamic responses to mitigation policies for intra-urban road freight emissions." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/11568.

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Freight transport is an integral component of the economy, providing benefits to businesses, consumers and the wider economy. Yet despite its many benefits, freight transport also contributes disproportionately to the emissions of air pollutants and greenhouse gases relative to other vehicles. This has necessitated strategies that attempt to maintain the societal benefits provided by freight transport while limiting the damage caused to both human health and the environment. Designing policies that can strike this balance requires an understanding of how firms might adapt to restrictions in ho

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Irvin, Elizabeth J. (Elizabeth Joanna). "Driving down emissions : analyzing a plan for meeting Massachusetts' carbon emission reduction targets for passenger vehicles." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/99099.

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Thesis: M.C.P., Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 51-52).<br>Massachusetts is one of the US states at the forefront of carbon emission reduction policy, and has the potential to model success to the rest of the country. The state's Global Warming Solutions Act (GWSA) passed in 2008, two years before federal climate legislation floundered in the U.S. Senate. This legislation committed the state to reducing carbon emissions 25% below 1990 levels by 2020 and

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Günther, Edeltraud, and Ines Klauke. "Potenziale der Beschaffung von Ökostrom in Kommunen." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1200577773612-28567.

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Die Energieerzeugung aus fossilen Brennstoffen trägt weltweit erheblich zum Treibhauseffekt bei. So entfielen 2005 24 % der gesamten CO2-Emissionen in der Europäischen Union auf die Stromerzeugung aus Kohle [1]. Recherchen im Rahmen eines Forschungsvorhabens an der Professur für Betriebliche Umweltökonomie der TU Dresden ergaben, dass öffentliche Gebietskörperschaften einen Anteil von ca. 7,8 % am Stromverbrauch in Deutschland haben. Bisher berücksichtigen jedoch nur wenige Kommunen die CO2-Emissionen als Entscheidungskriterium bei der Ausschreibung von Strom. Damit wird deutlich, welches Pote

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Martins, Keyll Carlos Ribeiro. "Estudo da aplicação de conversores catalíticos platina/paládio como auxiliar no processo de controle das emissões gasosas automotivas." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-08022017-112114/.

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Este trabalho de pesquisa visa estudar o processo de formação das emissões gasosas num motor de combustão interna movido à álcool e analisar os fatores que contribuem para o controle dessas emissões em níveis estabelecidos pela legislação. Especial atenção foi dada à aplicação de conversores catalíticos platina/paládio como auxiliar no processo de controle das emissões gasosas automotivas. Foram realizados ensaios dinanométricos de um motor de combustão interna para analisar as emissões e o controle destas, em condições operacionais, em função da razão ar-combustível, ponto de ignição e rotaçã

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Poonpun, Piyasak. "Effects of low carbon emission generation and energy storage on greenhouse gas emissions in electric power systems." Diss., Wichita State University, 2009. http://hdl.handle.net/10057/2380.

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The electric power industry produces substantial amounts of carbon dioxide (CO2) as well as other greenhouse gas (GHG) emissions. Recent GHG regulations along with renewable portfolio standards encourage the integration of low carbon emission generation into the electric power system and, as a result, drastically affect operations, design, and planning of the electric power system. Extensive studies on this issue, therefore, are important. This dissertation first discusses renewable standards and policies in the United States (U.S.), which include renewable portfolio standards. Current U.S. el

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Nyika, Paidamoyo A. "An anaysis [sic] of a reformulated emission control diesel effects on heavy duty vehicle diesel exhaust emissions." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2120.

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Thesis (M.S.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains xvi, 111 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 107-111).

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Nguyen, Phi Hung. "Feasible solutions to manage emissions of nitrous oxide in vegetable crops and orchards in Australia and Vietnam." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/21454.

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Crop production is a significant contributor to greenhouse gas emissions because cropping inputs and cultivation lead to the formation of nitrous oxide (N2O) in soils. This research measured the baseline N2O emissions from apple, cherry, processing tomato and babyleaf spinach production in Australia and assessed the impacts of crop management practices on these emissions. Nitrous oxide emissions were measured using static chambers, and the impact of management practices including crop residue mulches, cover crops, composts and irrigation management on emissions was assessed; and, the data comp

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Hansen, Marcelo. "Proposição de um método para avaliação do adicional de emissões veiculares em partida a frio." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15404.

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As emissões de poluentes atmosféricos decorrentes de veículos automotores representam um grave problema ambiental. O modo de operação do veículo influencia diretamente a quantidade de poluentes emitidos. Quando um veículo inicia sua operação com motor frio, efeito denominado de partida a frio, a quantidade de poluentes emitidos torna-se consideravelmente maior em comparação às condições estabilizadas de temperatura do motor. O efeito da partida a frio é bastante representativo em viagens de curta duração, como é o caso dos deslocamentos urbanos. Este estudo propõe um método para a determinação

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Rossetto, Cassiano. "Desempenho de motor-gerador de ciclo otto operado com gasolina e biogás proveniente de suinocultura e de uma estação de tratamento de esgotos." Universidade Estadual do Oeste do Parana, 2014. http://tede.unioeste.br:8080/tede/handle/tede/773.

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Made available in DSpace on 2017-07-10T15:14:27Z (GMT). No. of bitstreams: 1 DissertacaoCassianoRossetto.pdf: 1165128 bytes, checksum: 2a0629d2b0115cd9d96d0f00ea05dbce (MD5) Previous issue date: 2014-01-27<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The search for new energy sources that do not pollute the environment as well as the mitigation of environmental impacts caused by population increase, opens a new perspective in the research field of biogas from the wastewater treatment outcome. The process of transformation of energy generated by the combustion of biogas f

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Franco, Marcio Gonçalves. "Emissões atmosféricas oriundas da biorremediação de solo do Complexo Petroquímico do Estado do Rio de Janeiro (COMPERJ) experimentalmente contaminado por diesel Defesa." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=6265.

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As pesquisas relacionadas às questões ambientais têm aumentado nos últimos anos à medida que os fenômenos climáticos têm mostrado alterações cada vez mais intensas, assim como eventos de contaminação têm ocorrido. Para reduzir a concentração de contaminantes em solos, podem ser empregados processos de biorremediação, que têm por objetivo reduzir a carga poluente através do uso de micro-organismos em condições específicas. Notadamente, a possibilidade, durante o tratamento, da emissão de gases de efeito estufa (GEE) ou compostos orgânicos voláteis (COV) possui poucos dados na literatura. Este t

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Matuchevski, Karine. "DESEMPENHO AMBIENTAL: ESTUDO DE CASO EM UMA INDÚSTRIA GRÁFICA." Universidade Federal de Santa Maria, 2007. http://repositorio.ufsm.br/handle/1/8039.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The concerning of the companies with the preservation of environment has increased significantly in the last years due to several requirements as: law demandings, sustainable development, protection to the internal market and also consumers more and more demanding. The environmental issues have been prevailing in the making-decision strategies in the technical, technological and industrial areas. In this context, the companies need to identify the waste produced in their own processes, qualify them according to their degrees of ris

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Ferreira, Denise Rezende. "Aspectos fisiologicos e fisicos da orelha como emissora de sons." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/321927.

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Orientadores: Jorge Humberto Nicola, Ester Maria Danielli Nicola<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas<br>Made available in DSpace on 2018-08-07T13:57:05Z (GMT). No. of bitstreams: 1 Ferreira_DeniseRezende_M.pdf: 701948 bytes, checksum: fc978779bb5a79b92989795b47d5a788 (MD5) Previous issue date: 2006<br>Resumo: A orelha é o receptor de sons em nosso organismo. O som é captado e conduzido pela orelha externa, amplificado e modulado na orelha média e transformado em sinal elétrico (conhecido como transdução) na orelha interna. Entretanto,

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Stein, David de Sousa. "Emissões vocais de quati Nasua nasua (Linnaeus 1766) associadas a contextos comportamentais." Universidade Federal de Juiz de Fora, 2015. https://repositorio.ufjf.br/jspui/handle/ufjf/79.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2015-12-03T09:38:27Z No. of bitstreams: 1 daviddesousastein.pdf: 14923778 bytes, checksum: 27a49def9d1ca41066974b1799fd3a16 (MD5)<br>Rejected by Adriana Oliveira (adriana.oliveira@ufjf.edu.br), reason: Título: somente primeira letra da primeira palavra em maiúsculo e nomes próprios também. Palavras-chave: primeira letra de cada palavra em maiúsculo. Acrescentar uma em cada linha (não precisa colocar ponto e nem vírgula no final) on 2015-12-03T11:59:04Z (GMT)<br>Submitted by Renata Lopes (renatasil82@gmail.com) on 2015-12-03T13:00:39Z N

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Rocha, Caroline Rosario Mazzoli da. "Estudo numérico da influência das mudanças climáticas e das emissões urbanas no ozônio troposférico da Região Metropolitana de São Paulo." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/14/14133/tde-11072013-084316/.

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Esta tese de doutorado teve como objetivo avaliar o impacto na qualidade do ar da Região Metropolitana de São Paulo (RMSP) de mudanças do clima a partir de cenários de mudança global oriundos do IPCC (International Panel for Climate Change) e das mudanças nas fontes urbanas da RMSP, decorrentes da implantação de políticas de controle de emissões veiculares. A qualidade do ar foi estimada por meio do modelo WRF/Chem (Weather Research and Forecasting with Chemistry). Os cenários do IPCC que foram utilizados representam situações futuras, levando-se em conta o aquecimento global dentro de suas pe

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Oliveira, Antonio Carlos Seidl. "Estudo da emissão da frota de veículos diesel e ciclo Otto, sem conversores catalíticos, nos municípios de Sorocaba e Votorantim." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18147/tde-06012010-162252/.

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Este trabalho avalia por meio de um IEV - Inventário de Emissão Veicular, a contribuição dos veículos automotores na poluição do ar, nos municípios de Sorocaba e Votorantim, dando ênfase às suas características de frota e posição geográfica, seus impactos, quantificação e qualificação de emissão de poluentes, através de experimentos com a utilização de diesel metropolitano - B2 e biodiesel - B100 (soja), como combustível nos veículos equipados com motores de ignição por compressão (motor diesel), em substituição total ou parcial ao diesel existente no mercado nacional e a utilização de gasolin

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Costa, Renata Facundes da. "Sensoriamento remoto a laser de aerossóis em uma refinaria de petróleo." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-31032016-132804/.

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A emissão de poluentes em megacidades e áreas industriais pode ter fortes impactos no clima e na saúde. Nos últimos anos tem sido crescente a preocupação com emissões atmosféricas contendo partículas nanométricas, cuja presença, juntamente com compostos orgânicos voláteis, óxidos de nitrogênio e outros, pode resultar na formação de uma série de substâncias gasosas poluentes e na formação de aerossóis. Medições mais precisas da concentração e distribuição de tamanho de fuligem são importantes, não só do ponto de vista ambiental, mas também para a saúde humana. O objetivo deste trabalho foi dete

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Arvidsson, Martins Mikael. "Convergence of CO2 emissions in the Americas." Thesis, Jönköping University, IHH, Nationalekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-53137.

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Maintaining global warming to 2 degrees Celsius above pre-industrial levels is vital. Whether the convergence hypothesis holds for carbon dioxide emissions is important for policymakers facing this issue. This paper investigates the convergence behavior of carbon dioxide emissions for 39 countries in the Americas from 1960-2016. A linear regression test of convergence which looks for conditional sigma convergence is employed, and a clustering algorithm is used to identify convergence clubs. The results show evidence of convergence in the region for the long run. Convergence clubs are identifie

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Forsberg, Joel. "The effects of the European Union Emission Trading Scheme on the energy enterprises with small carbon dioxide emissions in Sweden." Thesis, Stockholms universitet, Stockholm Resilience Centre, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-44234.

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To reduce the rate of global warming the EU has implemented the European Union EmissionTrading Scheme (EU ETS) as the world’s largest Cap and Trade system in an ambitiousattempt to reduce greenhouse gases with high cost-effectiveness. However, Cap and Tradetheory stipulates that transaction costs should be low for a Cap and Trade system to workeffectively. There is a possibility that small actors producing district heating and electricitypay too large a part of their costs in transaction cost, thereby making the EU ETS fail in itseffort to reduce emissions in the most cost effective way. To re

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Gill, Simaranjit Singh. "Controlling diesel NO_x & PM emissions using fuel components and enhanced aftertreatment techniques : developing the next generation emission control system." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3643/.

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The following research thesis focuses on methods of controlling nitrogen oxides (NO_x) and particulate matter (PM) emissions emitted from a low temperature diesel exhaust. This involves studying the influence of hydrogen (H₂) on various aftertreatment devices such as hydrocarbon selective catalytic reduction (HC-SCR) over silver-alumina (Ag-Al₂O₃) catalysts for lean NO_x reduction, platinum diesel oxidation catalysts (DOC) for nitrogen dioxide (NO₂) production and passive regeneration methods for the diesel particulate filter (DPF). H₂ was implemented on-board either through diesel exhaust gas

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França, Camila Isaac. "Análise das emissões de gases de efeito estufa e consumo energético setorial do Estado de São Paulo por meio da matriz insumo-produto." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/86/86131/tde-25092013-130430/.

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A Política Estadual de São Paulo de Mudanças Climática (PEMC) foi lançada em 2009. Esta política voluntária, independente de qualquer acordo nacional ou internacional, foi estabelecida para reduzir a emissão dos gases de efeito estufa em 2020 em 20%, de acordo com os níveis de 2005. Uma vez que a melhoria da eficiência energética está entre as ações de mitigação de emissões de carbono especificadas pela PEMC, este trabalho visa avaliar as emissões diretas e indiretas e o consumo energético das cadeias produtivas na economia do Estado de São Paulo. Conseqüentemente, este estudo combina dados da

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Agerhäll, Isabella, Malin Kindmark, and Cecilia Stern. "Towards Climate Neutral Facility Management : Improved Greenhouse Gas Emission Calculations for Ihus." Thesis, Uppsala universitet, Institutionen för samhällsbyggnad och industriell teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413768.

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Uppsala municipality has set a goal in line with the UN’s 2030 Agenda for sustainable development to be fossil-free by 2030. To achieve this a lot of local companies have signed the Uppsala Climate Protocol. One of these companies is the municipal facility management company AB Uppsala Kommun Industrihus, Ihus. This project aimed to help Ihus map their emissions connected to facility maintenance and management and to enable them to reach their goal of becoming climate neutral by 2030. The daily facility management was split up into the categories gardening, ventilation and installation, clean

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Melo, Ana Dolores Passarelli de. "Efeito do ruído contralateral na amplitude das emissões otoacústicas evocadas por clique em crianças com audição normal e crianças com neuropatia Auditiva/Dessincronia Auditiva." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/25/25143/tde-30032009-145305/.

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A utilização das emissões otoacústicas (EOs) têm contribuído na avaliação do sistema auditivo eferente por meio do estudo do efeito da estimulação acústica simultânea à pesquisa das EOs, descrito na literatura como supressão das EOs. Este trabalho teve por objetivo comparar o efeito da estimulação contralateral do ruído na amplitude das emissões otoacústicas evocadas por clique (EOE-c), em crianças que apresentam audição normal e em crianças com Neuropatia Auditiva/Dessincronia Auditiva. A casuística foi constituída de 16 crianças com audição normal e 11 crianças com o diagnóstico audiológico

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Teles, Diógenes Barbosa. "Projeto e validação de válvula industrial do tipo esfera para baixa emissão fugitiva." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/134891.

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Nos últimos anos é notável a preocupação mundial com o controle de taxas de emissões fugitivas em equipamentos instalados na indústria do petróleo e gás. Os prejuízos com a perda de produção e impacto ambiental direcionam as empresas do segmento a buscarem projetos mais eficientes, principalmente com relação às válvulas industriais, que são equipamentos utilizados para gerenciamento de fluidos com a função de bloquear, direcionar ou controlar o fluxo de determinado produto fluente em uma planta industrial. As emissões fugitivas são vazamentos de produtos químicos, que se apresentam para atmosf

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Mäck, Andreas [Verfasser]. "Understanding methane emissions from impounded rivers - a process-based approach to quantify methane emission rates in space and time / Andreas Mäck." Landau : Universitätsbibliothek Landau, 2014. http://d-nb.info/1049565347/34.

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Martins, Ana Paula Garcia. "Cascas de árvores como biomonitores da poluição atmosférica de origem veicular em parques urbanos da cidade de São Paulo." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/5/5144/tde-25022010-150352/.

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O presente estudo foi desenvolvido para caracterizar a área de influência dos corredores de tráfego, através do monitoramento da concentração de elementos-traço em cascas de árvores. Amostras (n = 98) de cascas de árvores de diversas espécies foram coletadas em cinco parques urbanos da cidade de São Paulo. Para controle, foram coletadas cascas de árvores numa zona rural de Embu-Guaçu, longe de tráfego ou de indústrias. As concentrações de Ba, Co, Cr, Cu, Fe, Ca, Pb, S e Zn foram determinadas nas amostras de cascas de árvores por espectrometria de fluorescência de raios-X. Amostras coletadas no

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Pinto, Vanessa Sinelli. "Emissões otoacústicas: produto de distorção em lactentes de até dois meses de idade." Pontifícia Universidade Católica de São Paulo, 2005. https://tede2.pucsp.br/handle/handle/11857.

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Made available in DSpace on 2016-04-27T18:11:46Z (GMT). No. of bitstreams: 1 VanessaSinelliPinto.pdf: 2216187 bytes, checksum: a967a05c6a769a97c9e8960060d16e6c (MD5) Previous issue date: 2005-08-23<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Introduction The distortion product otoacoustic emission has been used because its specific features evaluate high frequencies and can identify hearing losses in initials stages. It is an important tool to neonatal hearing screening and test battery that includes audiologic assessment in infants. Therefore, there is a necessity to

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Rahimi, Mostafa. "Modeling and simulation of vehicle emissions for the reduction of road traffic pollution." Doctoral thesis, Università degli studi di Trento, 2023. https://hdl.handle.net/11572/365449.

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The transportation sector is responsible for the majority of airborne particles and global energy consumption in urban areas. Its role in generating air pollution in urban areas is even more critical, as many visitors, commuters and citizens travel there daily for various reasons. Emissions released by transport fleets have an exhaust (tailpipe) and a non-exhaust (brake wears ) origin. Both exhaust and non-exhaust airborne particles can have destructive effects on the human cardiovascular and respiratory systems and even lead to premature deaths. This dissertation aims to estimate the amount o

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Santos, Camila Fernanda Rocha Teles Tanzillo. "Análise de significância e caracterização de fontes estacionárias individualizadas visando o monitoramento atmosférico não radiológico no campus IPEN/CNEN-SP." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-23022018-094649/.

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Devido ao compromisso com a melhoria do meio ambiente, aliado às crescentes exigências dos órgãos ambientais, e a necessidade de identificar a contribuição de cada atividade/processo desenvolvido em institutos de pesquisas, quanto ao impacto destes à qualidade do ar, este trabalho teve a finalidade de desenvolver um modelo de inventário e aplicar uma metodologia de cálculo, que permita estimar a emissão de poluentes atmosféricos, decorrentes das atividades dos centros de pesquisa e desenvolvimento do Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP). O estudo foi motivado pela ausê

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Pivari, Daniela. "Caracterização das emissões sonoras de Sotalia fluviatilis (Gervais, 1853) (Cetacea, Delphinidae) durante o comportamento alimentar em duas praias do estuário de Cananéia, São Paulo." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/41/41134/tde-18012005-123526/.

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O estudo aqui apresentado teve dois objetivos: a descrição das emissões sonoras de S. fluviatilis e a classificação dos assobios analisados. Durante os meses de agosto e dezembro de 2002, foram gravadas emissões sonoras de indivíduos solitários e grupos de 2 a 10 animais que se aproximavam das praias do Pereirinha (Ilha do Cardoso) e da Ponta da Trincheira (Ilha Comprida) no complexo estuarino-lagunar de Cananéia, São Paulo para se alimentar. Para tal utilizou-se um hidrofone (HTI SSQ 94) acoplado a um gravador profissional analógico (SONY TCM 5000ev). Em cerca de 22h de gravações foram report

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