Academic literature on the topic 'Emissifs'

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Dissertations / Theses on the topic "Emissifs"

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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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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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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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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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