Literatura académica sobre el tema "Ammoniac – Effets de la pollution atmosphérique"
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Artículos de revistas sobre el tema "Ammoniac – Effets de la pollution atmosphérique"
Chanel, Olivier, Elsa Faugère, Ghislain Geniaux, Robert Kast, Stéphane Luchini y Pascale Scapecchi. "Valorisation économique des effets de la pollution atmosphérique". Revue économique 55, n.º 1 (2004): 65. http://dx.doi.org/10.3917/reco.551.0065.
Texto completoChinet, T. "Effets sur l'appareil respiratoire de la pollution atmosphérique". EMC - Pneumologie 4, n.º 4 (enero de 2007): 1–10. http://dx.doi.org/10.1016/s1155-195x(07)47949-x.
Texto completoGARREC, J. P. "Pollution atmosphérique en milieu urbain. Les effets sur les arbres". Revue Forestière Française, S (1989): 99. http://dx.doi.org/10.4267/2042/26035.
Texto completoPascal, L. "Effets à court terme de la pollution atmosphérique sur la mortalité". Revue Française d'Allergologie 49, n.º 6 (octubre de 2009): 466–76. http://dx.doi.org/10.1016/j.reval.2009.08.005.
Texto completoPascal, L. "Effets à court terme de la pollution atmosphérique sur la mortalité". Revue des Maladies Respiratoires 26, n.º 2 (febrero de 2009): 207–19. http://dx.doi.org/10.1016/s0761-8425(09)71597-9.
Texto completoPascal, L. "Effets à court terme de la pollution atmosphérique sur la mortalité". Revue des Maladies Respiratoires 26, n.º 2 (febrero de 2009): 236. http://dx.doi.org/10.1016/s0761-8425(09)71609-2.
Texto completoPascal, L. "Effets à court terme de la pollution atmosphérique sur la mortalité". Revue des Maladies Respiratoires 26, n.º 2 (febrero de 2009): 239. http://dx.doi.org/10.1016/s0761-8425(09)71618-3.
Texto completoBen Alaya, N., R. Zaghouani, H. Bellali, A. Mrabet, N. Achour y M. Chahed. "Effets de la pollution atmosphérique sur la santé respiratoire en Tunisie". Revue d'Épidémiologie et de Santé Publique 60 (septiembre de 2012): S107. http://dx.doi.org/10.1016/j.respe.2012.06.234.
Texto completoChanel, Olivier, Elsa Faugère, Ghislain Geniaux, Robert Kast, Stéphane Luchini, Pascale Scapecchi, Elsa Faugere y Stephane Luchini. "Valorisation économique des effets de la pollution atmosphérique: Résultats d'une enquête contextuelle". Revue économique 55, n.º 1 (enero de 2004): 65. http://dx.doi.org/10.2307/3503259.
Texto completoChennoufi, A., I. Moussa, I. Sahnoun, H. Mrassi, N. Kallel, M. Bougacha y L. Douik El Gharbi. "Connaissance des médecins tunisiens sur les effets respiratoires de la pollution atmosphérique". Revue des Maladies Respiratoires Actualités 15, n.º 1 (enero de 2023): 220. http://dx.doi.org/10.1016/j.rmra.2022.11.393.
Texto completoTesis sobre el tema "Ammoniac – Effets de la pollution atmosphérique"
Defossez, Florent. "Contribution au développement d’un Système d’Analyse de Feux et Emanations par Spectroscopie Infrarouge à Distance et Embarqué". Electronic Thesis or Diss., Reims, 2023. http://www.theses.fr/2023REIMS056.
Texto completoDuring the acute phase of a SEVESO accident, a precise assessment of air quality near the site is necessary to implement emergency measures aimed at protecting the surrounding populations. There are currently many commercial and portable gas detectors that can be used to carry out this type of analysis in the field. However, these detectors have certain drawbacks, especially when analyzing a smoke plume. Indeed, these devices, mainly based on technologies such as non-dispersive infrared, electrochemical, and semiconductor, are often limited in terms of the number of detectable gases and may encounter cross-sensitivity issues. To overcome these limitations, it may be necessary to take on-site samples that will later be analyzed in the laboratory using more accurate but less field-friendly instruments. This thesis, part of the SAFESIDE project, aims to contribute to the development of a portable multi-gas analyzer based on an infrared laser spectrometer capable of performing measurements locally and remotely. Detecting multiple gases using infrared laser spectroscopy requires the implementation of a widely tunable laser source. The work carried out during this thesis involved setting up a laser spectrometer using an Optical Parametric Oscillator developed as part of the project. Several tests of this source were conducted in the laboratory to implement direct absorption and Wavelength Modulation Spectroscopy techniques. In parallel, development work on a dense-pattern Herriott cell was also carried out with the aim of increasing the sensitivity of local measurements. The various technological components developed were finally implemented during large-scale outdoor tests. During these two campaigns, local measurements of CO2 concentrations and remote measurements of NH3 were carried out
Caville, Sylvain. "Spectroscopie embarquée pour la distribution verticale d'ammoniac (NH3) et de dioxyde de carbone (CO2)". Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS008.
Texto completoAmmonia (NH3) is an atmospheric pollutant, emitted at 80 % by agriculture, which contributes to the eutrophication and acidification of natural environments. It is also a precursor of fine particles (PM2.5) that are harmful to human health. Despite this major scientific and societal role, our knowledge about atmospheric ammonia is still very limited. Measuring the vertical profile of NH3 is one of the keys to improving this knowledge. For this reason, the main objective of this thesis is to develop an ammonia measurement instrument that can be embedded in a tethered balloon to measure these vertical profiles. To begin, a state of the art of NH3 measurement was carried out through the data analysis of the AMICA campaign (Multi-Instrumental Analysis of Ammonia Concentrations) in autumn 2021. It highlighted the need to design an instrument without a sampling system to avoid bias due to NH3 adsorption. To assess the infrared spectroscopy techniques (DAS and WMS) intended for NH3 detection, a first instrument aimed at atmospheric CO2 measurements (main anthropogenic greenhouse gas) was developed and used to carry out vertical profiles. As NH3 is much more difficult to detect than CO2 , a long-path optical cell was designed to improve the instrument’s sensitivity. On a more general level, the tools developed and implemented during this thesis can be applied to the measurement of all the atmospheric species of interest, and in particular those that exist in trace quantities
Meier, Laurent. "Pollution atmosphérique et asthme". Paris 5, 1999. http://www.theses.fr/1999PA05P112.
Texto completoYoussouf, Hassani. "Effets respiratoires de la pollution atmosphérique : prise en compte de plusieurs niveaux de pollution". Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066456/document.
Texto completoThe objectives of this thesis were to study the respiratory effects of air pollution by taking into account three levels of exposure: the macroscopic, semi-individual and individual levels. For the macroscopic level, we studied the health effects of emissions from forest fires in an ecological study. Through a literature review, we found that several epidemiological studies have shown the association between exposure to wildfire emissions and increase cardiopulmonary disease and mortality for the people living nearby. The main limitation of these studies is given by the exposure assessment. In a case study of the wildfire occurred in Marseille in the summer 2009, we observed effects at the limit of significance 8 and 9 days after exposure between concentrations of fine particles (PM2.5) from fire and respiratory effects .For semi-individual level, we have studied the link between domestic and occupational pollution and respiratory diseases among farmers from Auvergne using a cross-sectional study. We observed that the halogenated hydrocarbons and Etyl-butoxyacetate were significantly associated with the small airways disease. Benzene concentration in the living room of the farm was significantly associated with an increased risk of asthma. Finally, the use of a biomarker (the mercapturic acid) in the context of a case-control study allowed us to measure the internal dose of the exposure to benzene and its link with asthma among children included the study
Levilly, Ronan. "Contribution au développement d'un analyseur continu d'ammoniac atmosphérique. Mesures de concentrations en région Bretagne". Rennes 1, 2003. http://www.theses.fr/2003REN10083.
Texto completoBentayeb, Malek. "Effets de la pollution atmosphérique sur la santé respiratoire des personnes âgées". Paris 6, 2012. http://www.theses.fr/2012PA066069.
Texto completoThe main objective of this thesis was to increase knowledge on the respiratory effects of air pollution in the elderly where few data are available. Specific objectives were: (1) To study the relationship between proximity air pollution and respiratory health in elderly (2) To study the relationship between indoor air pollution measured objectively (in French households and in European nursing homes) on respiratory health of elderly (3) to explore the hypothesis of higher susceptibility of the elderly to the effects of outdoor and indoor air pollution. Data from three epidemiological studies based on samples of a general population were used: the three cities study (3C) in the investigation of the effects of outdoor air pollution, the campaign of the French Observatory for Indoor Air Quality (OQAI) and "GERiatric study In Europe on health effects of air quality in nursing homes"(GERIE) to investigate effects of indoor air pollution. Our results are consistent with previous data and suggest that exposure to air pollution (outdoors and indoors), even at lower concentrations, could be significantly related to high prevalence of respiratory health outcomes among elderly more specifically symptoms suggestive of Chronic Obstructive Pulmonary Disease (COPD) such as breathlessness, dyspnea, chronic cough and phlegm, and wheezes suggestive of asthma. The most consistent results were obtained for breathlessness and dyspnea. Some associations were more pronounced in older subjects, this support the hypothesis of greater susceptibility of elderly regarding exposure to air pollution
Hamaoui, Lynda. "Les émissions d'ammoniac par les activités agricoles : impact sur la qualité de l'air". Paris 7, 2012. http://www.theses.fr/2012PA077111.
Texto completoA new approach has been set up to compute the ammonia emissions coming from mineral fertilizer spreading over agricultural soils. They are calculated using the one dimensional mechanistic model "VOLT'AIR" which has been coupled with datasets on cultural practices, soil properties and meteorology. NH₃ emissions from other agricultural sources are extracted at local scale from the national spatialised inventory (INS) and thereafter finely spatialised. The modelled emissions show high spatiotemporal variations depending on soil pH, rates and dates of fertilization and meteorological variables, especially soil temperature and wind speed. The comparison of the total ammonia emissions estimated with the new approach VOLT'AIR_INS (VOLT'AIR for mineral fertilization and INS for other agricultural sources) with the standard emissions provided by EMEP (European Monitoring and Evaluation Programme) shows significant differences in the spatial and temporal distributions. To assess and compare the impact of ammonia emission variability on the formation of ammonium nitrate particles, several simulations were carried out with CHIMERE for the period of February-May 2007 using NH₃ emissions from the three methods : VOLT'AIR_INS, INS et EMEP. The results show that changes in ammonia emissions have different effects on particle concentrations depending on regions and nitrate concentrations The comparison of modelled PM10 and ammonium nitrate aerosol with observations shows that the use of the new ammonia emission method improves slightly the spatiotemporal correlation in several regions and lightly reduces thee negative bias (1 to 2 μg/m³ in average)
Ejlali, Farid. "Climatologie locale, pollution atmosphérique et leurs effets sur la végétation urbaine à Téhéran". Paris 1, 1998. http://www.theses.fr/1998PA01A002.
Texto completo[This research attempt to show the origins of the pollution in the city of Teheran, the distribution of the particules in suspension in the city and its consequences on the trees of the streets and the parcs. The differents types of anticyclonics weathers, the frequence of "calmes" and the basin topography facilitates the formation of a dome of pollution that has problems to evacuate outside. A displacement of the maximum of pollution takes place during the day inside the urban tissue, in relation with the breezes of the slopes. In the morning, a pollution pick is evident in the heart of the city (around 10h). The origins of chemical pollution are internal to the city : traffic and industrial activities. Event though they are diffused the maximum remains in the south and center east. The physical pollution, particles come from the southern extra urban deserts and penetrate into the city through the south gully. From the point of view of microclimatology and topoclimatology the center and center south sectors of the city are therefore the most hit. The trees of the sidewalks and for the parks and gardens are in a better sanitary state and their growth is more rapid in this sector. This paradox allows us to conclude that pollution is not the major problem of ligneous trees. The planes, in particular, must suffer from a lack of water at the level of their rooting system much more than from a physical or chemical modification of the urban atmosphere. ]
Ramgolam, Kiran. "Effet des particules atmosphériques fines (PM2. 5, PM1) et ultrafines (PMO. 1) provenant de la région parisienne sur lépithélium respiratoire humain in vitro". Paris 7, 2007. http://www.theses.fr/2007PA077040.
Texto completoEpidemiological studies have highlighted the health impacts of ambient particulate matter (PM), and especially on cardio-respiratory diseases. Inhaled PM induces an inflammatory response in the respiratory tract that results from an increased release of inflammatory mediators such as the pro-inflammatory cytokine GM-CSF. The aim of this work was to characterize in vitro the pro-inflammatory response induced by fine (PM2. 5 and PM1 : particulate matter with an aerodynamic diameter les than 2. 5 and 1 um) and ultrafine (PM0. 1) particulate matter in human respiratory epithelial cells. The comparison of the size fractions of Paris aerosol (PMO. 03-0. 1, PMO. 1-1, PM1-2. 5 and PM2. 5-10) showed that fine PMO. 1-1 and ultrafine PMO. 03-0. 1 systematically induced the highest release of the pro-inflammatory biomarker GM-CSF. This pro-inflammatory effect was correlated to particle organic carbon content. The study of the mechanisms of the pro-inflammatory response induced by Paris PM2. 5 revealed that (1) the expression and release of the growth factor amphiregulin (AR) which is an EGF receptor (EGFR) ligand, were increased through EGFR and MAP Kinases activation and (2) AR participates in PM2. 5-induced GM-CSF release. These results strengthened the hypothesis of a higher reactivity of fine and ultrafine urban PM and highlighted for the first time the involvement of EGFR and its ligands in PM-induced pro-inflammatory response of respiratory epithelial cells
Auger, Floriane. "Implication des particules atmosphériques fines dans l'induction de pathologies cardiorespiratoires : étude in vitro des réponses cellulaires de l'épithélium respiratoire et de l'endothélium vasculaire". Paris 7, 2006. http://www.theses.fr/2006PA077068.
Texto completoAir pollution is a current concern. Many epidemiological studies suggest that particulate air pollution is responsible for exacerbation and/or induction of cardiorespiratory diseases and cancer. Potential targets of particles are airway epithelial cells, resident inflammatory cells and endothelial cells of microvessels. Mechanisms for the action of particle are largely unclear, although the hypothesis of development of an inflammatory response in the airways is accepted. In the present study, we used model cell Systems in which cells were in an environment quite similar to that of the in vivo context. This enabled the study of the effects on ambient urban particles on non-injured upper airway epithelium and vascular endothelium, either directly or indirectly via the alveolar epithelium. Results showed that fine particles do not enter into well-differentiated epithelial cells. Nevertheless, particles induce release of mediators, and notably proinflammatory cytokines. I addition, particles enhance intracellular oxidative stress and alter the permeability of the airway epithelium. Moreover, the vascular endothelium directly exposed to particles overexpressed PAI-1 and MMP-1 genes, which may play a crucial role in coagulation and tumor progression. Thus, our results suggest that thé airway epithelium is implicated in the local inflammatory response in the lung, and that endothelium damaged by particles may be responsible for certain diseases
Libros sobre el tema "Ammoniac – Effets de la pollution atmosphérique"
Masclet, Pierre. Pollution atmosphérique: Causes, conséquences, solutions, perspectives. Paris: Ellipses, 2005.
Buscar texto completoCanada, Canada Environnement. Ammoniac dans le milieu aquatique. Ottawa, Ont: Environnement Canada, 2001.
Buscar texto completoColloque de Lassay (1989 Paris). Pollution atmosphère et climat: Colloque de Lassay. Paris: Larousse, 1989.
Buscar texto completoRobert, Guderian y Becker K. H, eds. Air pollution by photochemical oxidants: Formation, transport, control, and effects on plants. Berlin: Springer-Verlag, 1985.
Buscar texto completoAmmonia in the aquatic environment. Ottawa: Environment Canada, 2001.
Buscar texto completoGuderian, Robert, W. Fricke, K. H. Becker, R. Guderian y J. L. Löbeö. Air Pollution by Photochemical Oxidants: Formation, Transport, Control, and Effects on Plants. Springer London, Limited, 2012.
Buscar texto completoGuderian, Robert. Air Pollution by Photochemical Oxidants: Formation, Transport, Control, and Effects on Plants. Brand: Springer, 2011.
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