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Dissertationen zum Thema „Formation of photochemical smog“

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1

Paulson, Suzanne Elizabeth Seinfeld John H. Seinfeld John H. "Contributions of biogenic and anthropogenic hydrocarbons to photochemical smog formation /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-07172007-150535.

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2

Cohan, Daniel Shepherd. "Photochemical Formation and Cost-Efficient Abatement of Ozone: High-Order Sensitivity Analysis." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-09152004-150617/unrestricted/cohan%5Fdaniel%5Fs%5F200412%5Fphd.pdf.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2005.<br>Russell, Armistead G., Committee Chair ; Chameides, William L., Committee Member ; Wang, Yuhang, Committee Member ; Noonan, Douglas, Committee Member ; Chang, Michael E., Committee Member. Vita. Includes bibliographical references.
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Loewenheim, L. "Photochemical smog in greater Cape Town." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/15446.

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Bibliography: leaves 124-131.<br>Photochemical smog is the name given to a complex sequence of chemical reactions that occurs in the presence of sunlight. These reactions comprise a mix of organic and inorganic compounds, including a number of toxic secondary pollutants such as ozone (O3) and peroxyacetyl nitrate. These substances are commonly referred to as oxidants and are the result of numerous reactions of primary pollutants or precursors (including nitrogen oxides (NOx) and non- methane hydrocarbons (NHHC)) emitted from vehicle exhausts and to some extent industry, O3 is the major constit
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Plummer, David A. "On-line chemistry in a mesoscale model assessment of the Toronto emission inventory and lake-breeze effects on air quality /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0028/NQ39304.pdf.

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5

Leone, Joseph A. Flagan Richard C. "Studies in photochemical smog chemistry : I. Atmospheric chemistry of toluene. II. Analysis of chemical reaction mechanisms for photochemical smog /." Diss., Pasadena, Calif. : California Institute of Technology, 1985. http://resolver.caltech.edu/CaltechETD:etd-12042006-093443.

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6

Andino, Jean Marie Seinfeld John H. "Experimental and theoretical studies of reactions important in photochemical smog : aromatics and alkanes /." Diss., Pasadena, Calif. : California Institute of Technology, 1996. http://resolver.caltech.edu/CaltechETD:etd-01032007-154253.

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7

Liu, Zhen. "Characterizing the photochemical environment over China." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43668.

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The rapid rising anthropogenic emissions driven by economic growth over China documented by satellite observations and bottom-up inventories have led to severely degraded air quality, and also have been suggested to be linked to the recent upward trends of tropospheric O₃ over the regions downwind of China. Multi-scale modeling analyses facilitated by ground-level, aircraft and satellite observations have been conducted to understand the atmospheric chemistry over China. Analyses using a 1-D photochemical model constrained by measurements at Beijing in August of 2007 suggest that reactive arom
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8

Wiegand, Aaron Nathaniel. "Modelling photochemical production of fine particulates in a toluene/NOx/water vapour system." Thesis, Queensland University of Technology, 1999. https://eprints.qut.edu.au/36975/1/36975_Digitised%20Thesis.pdf.

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This work investigates the computer modelling of the photochemical formation of smog products such as ozone and aerosol, in a system containing toluene, NOx and water vapour. In particular, the problem of modelling this process in the Commonwealth Scientific and Industrial Research Organization (CSIRO) smog chambers, which utilize outdoor exposure, is addressed. The primary requirement for such modelling is a knowledge of the photolytic rate coefficients. Photolytic rate coefficients of species other than N02 are often related to JNo2 (rate coefficient for the photolysis ofN02) by a simple f
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9

Horchler, Eva Johanna. "Secondary organic aerosol formation in a smog chamber using ambient urban air as a matrix component." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/235930/1/Eva%2BJohanna%2BHorchler%2BThesis%282%29.pdf.

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In urban environments, a significant portion of atmospheric aerosols are of organic composition with the secondary organic aerosol (SOA) fraction being one of the most important but least understood. This work examines SOA production in a smog chamber using a-pinene and isoprene as biogenic precursors and particle-free ambient urban air as anthropogenic emissions. The observations revealed that the SOA formation is controlled by the components present in the matrix and a-pinene or isoprene affect the reaction processes in such a way that the SOA concentration is either increased or decreased.
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10

Katkova, Olga. "Photochemical isomerization and stereoselective thermal cycloaddition reactions of conjugated nitrones." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1123003688.

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11

Brousmiche, Darryl Wayne. "Mechanistic studies of photochemical quinone methide formation via ESPT and formal long-range ESIPT." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58560.pdf.

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12

Blasco, Brusola Alejandro. "Mechanistic Studies on the Photochemical Formation and Cleavage of Oxetanes Derived from Pyrimidine Bases." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/165256.

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[ES] La luz solar puede producir daños en el ADN por absorción directa de luz UVB, o por fotosensibilización tras la absorción de luz UVA por parte de fármacos, que pueden actuar como fotosensibilizadores (PS). La benzofenona (BP), presente en la estructura química de una amplia variedad de fármacos, tiene el potencial de fotosensibilizar daño al ADN, especialmente hacia la base de timina (Thy). Este daño puede dar lugar a dímeros de pirimidina de tipo ciclobutano (CPD) y a fotoproductos (6-4) pirimidina-pirimidona ((6-4)PPs), los cuales pueden causar mutaciones graves, melanomas o incluso la
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Hardman, Ron C. "Harmful algal blooms in the Gulf of Mexico : brevetoxin degradation and derivation formation via photochemical processes /." Electronic version (PDF), 2003. http://dl.uncw.edu/etd/2002/hardmanr/ronhardman.pdf.

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14

Eustis, Susie. "Gold and Silver Nanoparticles: Characterization of their Interesting Optical Properties and the Mechanism of their Photochemical Formation." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-05262006-130521/.

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Thesis (Ph. D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2007.<br>Whetten, Robert, Committee Member ; Wang, Z.L., Committee Member ; Perry, Joe, Committee Member ; El-Sayed, Mostafa A., Committee Chair ; Orlando, Thomas, Committee Member.
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Caplain, Isabelle Dechaux Jean-Claude Nollet Valérie. "Mesure des émissions polluantes automobiles application à la modélisation eulérienne 3D de la formation des oxydants photochimiques dans la troposphère /." Villeneuve d'Ascq : Université des sciences et technologies de Lille, 2007. https://iris.univ-lille1.fr/dspace/handle/1908/475.

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Reproduction de : Thèse de doctorat : Structure et dynamique des systèmes réactifs : Lille 1 : 2005.<br>N° d'ordre (Lille 1) : 3618. Titre provenant de la page de titre du document numérisé. Bibliogr. à la suite de chaque chapitre.
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Ji, Jiang. "Fabrication and photochemical surface modification of photoreactive thin-film composite membranes and model development for thin film formation by interfacial polymerization." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0020/NQ30148.pdf.

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17

Ji, Jiang. "Fabrication and photochemical surface modification of photoreactive thin-film composite membranes and model development for thin film formation by interfacial polymerization /." *McMaster only, 1996.

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18

Stichnoth, Julia Desiree [Verfasser], and Dirk [Akademischer Betreuer] Trauner. "Natural products from corals and bacteria: photochemical formation of intricarene and total synthesis of crocagin / Julia Desiree Stichnoth ; Betreuer: Dirk Trauner." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1119073812/34.

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19

Boulon, Julien. "Approche multi-échelle de la formation des particules secondaires." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00697022.

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Dans le cadre de l'étude de l'évolution du système climatique terrestre, comprendre la composition gazeuse et particulaire de l'atmosphère est un enjeu majeur dans notre compréhension de la Terre et de son atmosphère, de son passé et de son évolution à venir. Les aérosols secondaires, i.e. formés par nucléation, représentent la source la plus importante en nombre des aérosols atmosphériques mais prédire où, quand et en quelle proportion ces aérosols sont formés dans l'atmosphère demeure à ce jour un exercice peu fiable. C'est dans ce contexte que cette étude s'est attachée à compléter nos conn
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Elshorbany, Yasin. "Investigation of the Tropospheric Oxidation Capacity and Ozone Photochemical Formation in the City of Santiago de Chile -Field Measurements and Modelling Study-." Wuppertal Universitätsbibliothek Wuppertal, 2010. http://d-nb.info/1000127397/34.

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21

Lack, Daniel Anthony. "Modelling the formation of atmospheric aerosol from gaseous organic precursors." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15831/1/Daniel_Lack_Thesis.pdf.

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This thesis describes the investigation of three aspects of the formation of secondary organic aerosol (SOA): * Aerosol formation from mixed precursors * Global modelling of SOA formation * Modelling of dynamics of SOA formation based on empirical data collected from smog chamber experiments. The formation and growth processes of secondary organic aerosol were investigated using smog chamber experimentation and modelling techniques to gain a better understanding of the application of SOA yield values in modelling both SOA mass and dynamics. Published SOA yields from a range of volatile organic
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Lack, Daniel Anthony. "Modelling the Formation of Atmospheric Aerosol From Gaseous Organic Precursors." Queensland University of Technology, 2003. http://eprints.qut.edu.au/15831/.

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This thesis describes the investigation of three aspects of the formation of secondary organic aerosol (SOA): * Aerosol formation from mixed precursors * Global modelling of SOA formation * Modelling of dynamics of SOA formation based on empirical data collected from smog chamber experiments. The formation and growth processes of secondary organic aerosol were investigated using smog chamber experimentation and modelling techniques to gain a better understanding of the application of SOA yield values in modelling both SOA mass and dynamics. Published SOA yields from a range of volatile organic
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Cheibani, Ismail. "Formation et clivage de gels de nanoparticules lipidiques : systèmes de délivrance de principes actifs." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAV017/document.

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Les nanotechnologies sont devenues depuis plusieurs années un axe majeur de développement dans les domaines du diagnostic, de l’imagerie, de la délivrance de médicament, du suivi thérapeutique et de l’ingénierie tissulaire. L’administration de produits non injectables sous leur forme libre ou bien possédant une toxicité élevée, peut être facilitée par l’utilisation de nanovecteurs, modifiant leur distribution. Ils permettent donc de réduire les doses administrées, limiter les effets secondaires et diriger le contenu du vecteur (agent de contraste, drogue) vers un organe cible ou une tumeur, en
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La, Yuyi. "Formation des aérosols organiques secondaires : évaluation d'un modèle explicite par la comparaison à des observations de chambre de simulation atmosphérique." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1129.

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Les aérosols organiques secondaires (AOS) représentent une fraction significative de l'aérosol fin, et contribuent donc fortement à leurs impacts sur la santé, l'environnement et le climat. Connaitre les sources, l’évolution et les propriétés des AOS constitue actuellement un véritable enjeu pour la communauté scientifique. Ces AOS sont formés par condensation sur des aérosols préexistants des espèces de faible volatilité produites au cours de l’oxydation progressive de la matière organique gazeuse. L'objectif de ce travail de thèse vise à évaluer nos connaissances sur les processus de formati
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Saghbini, Samar. "Étude photophysique de la cinétique de formation de complexes." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL032N.

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La cinétique de formation de complexes électroniquement excités a été examinée dans les cas suivants : excimères intermoléculaires, exciplexes intermoléculaires et excimères intramoléculaires. Dans la première partie, le processus de formation de complexes intermoléculaires est étudié dans des milieux de viscosités différentes. Deux modèles cinétiques sont confrontés dans l'analyse des déclins de fluorescence : modèle de Birks ou les effets transitoires sont négligés et un modèle plus sophistiqué mis en place a partir d'équations de transport moléculaire brownien, de la connaissance de constan
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Elshorbany, Yasin [Verfasser]. "Investigation of the Tropospheric Oxidation Capacity and Ozone Photochemical Formation in the City of Santiago de Chile -Field Measurements and Modelling Study- / Yasin Elshorbany." Wuppertal : Universitätsbibliothek Wuppertal, 2010. http://d-nb.info/1000127397/34.

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27

Caplain, Isabelle. "Mesure des émissions polluantes automobiles : application à la modélisation eulérienne 3D de la formation des oxydants photochimiques dans la troposphère." Lille 1, 2005. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2005/50376-2005-Caplain.pdf.

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La Pollution automobile est un sujet de plus en plus préoccupant depuis ces dernières années. Les réglementations sont de plus en plus sévères. Si certains polluants font l'objet de normes d'émissions réglementés strictes, d'autres composés sont moins surveillés bien qu'ils soient tout aussi nocifs de façon directe (pollution primaire) ou indirecte (pollution secondaire) pour l'homme, c'est le cas de certaines espèces de la famille des Composés Organiques Volatils (COV) et des Composés Carbonylés. Le présent travail associe à la fois la mesure expérimentale, l'inventaire des émissions de pollu
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Bertrand, Amélie. "Vieillissement atmosphérique de l'aérosol de combustion de biomasse : du potentiel de formation d'aérosol organique secondaire à la modification de l'empreinte chimique à l'échelle moléculaire." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0149/document.

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La combustion de bois, ou plus largement de la biomasse, est une source de pollution très importante en particules atmosphériques en hiver, particulièrement en France. Si les émissions primaires ont été étudiées depuis de nombreuses années, il existe de grandes incertitudes sur le devenir de ces émissions dans l’atmosphère. Le travail de thèse a donc porté sur l’étude du vieillissement en chambre de simulation atmosphérique de l’aérosol émis par 3 appareillages pour le chauffage au bois (conçus entre 2000 et 2010 et représentatifs de la politique de renouvellement mis en place par l’ADEME), av
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Arnoldsson, Kristina. "Polybrominated dibenzo-p-dioxins : Natural formation mechanisms and biota retention, maternal transfer, and effects." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50887.

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Polybrominated dibenzo-p-dioxins (PBDD) and dibenzofurans (PBDF) are a group of compounds of emerging interest as potential environmental stressors. Their structures as well as toxic responses are similar to the highly characterized toxicants polychlorinated dibenzo-p-dioxins. High levels of PBDDs have been found in algae, shellfish, and fish, also from remote areas in theBaltic Sea. This thesis presents studies on PBDD behavior in fish and offspring, and natural formation of PBDDs from naturally abundant phenolic precursors. The uptake, elimination, and maternal transfer of mono- to tetraBDD/
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Miyazaki, Koji. "Study of the nature and roles of peroxy radicals in the atmosphere towards the understanding of oxidant formation using laser-flash photolysis and LIF detection technique." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10074/document.

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Les radicaux peroxydes RO2 (avec R = H ou CxHy) jouent un rôle important dans les cycles de photo-oxydation ayant lieu dans la troposphère. Ils sont produits principalement par l’oxydation des hydrocarbones et du monoxyde de carbone par les radicaux OH suivi de la réaction avec O2. Ils peuvent réagir avec NO pour former du NO2 qui est une source importante d’ozone troposphérique. Pour comprendre les mécanismes de génération de l’ozone troposphérique, des mesures précises et reproductibles des concentrations des radicaux peroxydes sont essentielles. A cela, des études de cinétiques, comme la me
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Darghouth, Ala Aldin M. Hani Mahmood. "Modélisation photochimique de la formation des électrons de conduction au sein de l'hétérojonction d'une cellule solaire organique." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAV091/document.

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L'incertitude entourant la production du pétrole et la pollution associée aux fossiles combustibles ainsi que la série d'accidents bien connus de Three Mile Island, Tchernobyl et Fukushima, en plus que le désir de diversifier les sources d'énergie sont des facteurs importants qui favorisent le développement de la technologie des cellules photovoltaïques. Certaines applications de photovoltaïques organiques sont particulièrement intéressantes à cause de la possibilité d'impréssion des circuits et la création de cellules photovoltaïques flexibles sous la forme d'un ruban adhésif. À la suite des
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CARLE, AXEL BJORN. "A Mechanistic Investigation of the Photochemical and Thermal Activation of 2,2- and 2,3-Diaryl- and 2,2,3-Triaryl-2,3-dihydro-phenanthro[9,10-b]-1,4-dioxins, a New Class of 1,4-Dioxene Based DNA Cleaving Agents." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1016478287.

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Johnson, Graham Richard. "The Formation and Growth of Marine Aerosols and the Development of New Techniques for their In-situ Analysis." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16117/1/Graham_Johnson_Thesis.pdf.

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Marine aerosols have attracted increasing attention over the past 15 years because of their potential significance for global climate modelling. The size distribution of these aerosols extends from super-micrometer sea salt mode particles down through 150 nm accumulation mode particles, 40 nm Aitken mode particles and nucleation mode particles which extend from 25 nm right down to clusters of a few molecules. The process by which the submicrometer modes form and grow and their composition have remained topics of debate throughout this time in large part because of the diff
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Johnson, Graham Richard. "The Formation and Growth of Marine Aerosols and the Development of New Techniques for their In-situ Analysis." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16117/.

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Marine aerosols have attracted increasing attention over the past 15 years because of their potential significance for global climate modelling. The size distribution of these aerosols extends from super-micrometer sea salt mode particles down through 150 nm accumulation mode particles, 40 nm Aitken mode particles and nucleation mode particles which extend from 25 nm right down to clusters of a few molecules. The process by which the submicrometer modes form and grow and their composition have remained topics of debate throughout this time in large part because of the difficulties assoc
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Veillerot, Marc. "Contribution des émissions de composés organiques volatils d'une usine de construction automobile à la formation de l'ozone troposphérique." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0055.

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Les activites de peinture liees a la construction des automobiles representent actuellement une contribution majeure aux emissions de composes organiques volatils (cov) des pays industrialises. Le but de ce travail etait l'etude, dans le cas particulier d'une importante usine de construction automobile du nord de la france, de la participation de ces emissions a la formation de l'ozone tropospherique. L'inventaire quantitatif de chacun des cov emis par l'usine, en fonction de sa production, a ete dresse en combinant une approche theorique de calcul et d'une campagne de mesures des concentratio
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El, Fouhaili Bandar. "Development of hydrophobic/superhydrophobic anti-fouling photopolymer coatings for PVC reactor." Thesis, Mulhouse, 2014. http://www.theses.fr/2014MULH6191.

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Lors de la polymérisation en suspension du chlorure de vinyle, il se forme sur les parois un dépôt de polychlorure de vinyle (PVC). Ce phénomène, nommé encroûtement, génère des problèmes car il limite la production de PVC et affecte la qualité du produit final. Dans ce contexte, un projet FUI (Fond Unique Interministériel) intitulé «Ecoating», a été financé dans le cadre d’une collaboration entre plusieurs partenaires industriels et universitaires (INEOS ChlorVinyls, Mäder Research, Avenir Group, LPIM, ESPCI-ParisTech). Deux thèses ont vu le jour au LPIM, avec pour but de développer un revêtem
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Kuo, I.-Ling, and 郭奕伶. "The formation of the photochemical smog in Kao-Ping area." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/25746546318334879131.

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碩士<br>國立成功大學<br>環境工程學系<br>85<br>ABSTRACTThe purposes of this study are to investigate the spatial and seasonal variations of pollutants in photochemical smog such as PM10、formaldehyde(HCHO) and NO2 in southern Taiwan where the pollution of photochemical smog is the most serious in Taiwan. The formation rates of nitrate and sulfate were evaluated by using the measured data with back-trajectory analysis. In addition, the potolysis rate of NO2 was measured to evaluate the ozone formation rat
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Paulson, Suzanne Elizabeth. "Contributions of biogenic and anthropogenic hydrocarbons to photochemical smog formation." Thesis, 1991. https://thesis.library.caltech.edu/2916/1/Paulson_se_1991.pdf.

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Photochemical oxidation of biogenic (Isoprene) and anthropogenic (1-octene) hydrocarbons are examined. Experiments studied the individual daylight reactions of both isoprene and 1-octene, including those of OH, O3, and O([superscript 3]P). Results from both the smog chamber experiments and computer kinetic modeling were then used to develop photochemical oxidation mechanisms for each hydrocarbon. Aerosols formed by isoprene and another biogenic, beta-pinene, are characterized. The OH reaction with isoprene is studied. Methyl nitrite photolysis experiments were carried out in an outdoor smog c
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Leone, Joseph Anthony. "Studies in Photochemical Smog Chemistry: I. Atmospheric Chemistry of Toluene. II. Analysis of Chemical Reaction Mechanisms for Photochemical Smog." Thesis, 1985. https://thesis.library.caltech.edu/4777/1/Leone_ja_1985.pdf.

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<p>This study focuses on two related topics in the gas phase organic chemistry of importance in urban air pollution. Part I describes an experimental and modeling effort aimed at developing a new explicit reaction mechanism for the atmospheric photooxidation of toluene. This mechanism is tested using experimental data from both indoor and outdoor smog chamber facilities. The predictions of the new reaction mechanism are found to be in good agreement with both sets of experimental data. Additional simulations performed with the new mechanism are used to investigate various mechanistic paths, an
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Mach, Radomír. "Dopad spotřeby domácností na životní prostředí." Doctoral thesis, 2021. http://www.nusl.cz/ntk/nusl-446401.

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The main goal of this dissertation thesis is to quantify the environmental burden associated with household consumption in the Czech Republic. Emissions of three groups of gases were selected to express the burden on the environment, namely emissions causing climate change, acidification and the formation of photosmog. These emissions arise from the consumption of fuels in households, and they are usually referred to as direct household emissions. Or they arise in the production and distribution of goods and services, and they are usually referred to as indirect household emissions. Although i
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Andino, Jean Marie. "Experimental and theoretical studies of reactions important in photochemical smog : aromatics and alkanes." Thesis, 1996. https://thesis.library.caltech.edu/13/1/Andino_jm_1996.pdf.

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The development of effective ozone control strategies requires the use of atmospheric models. There is general agreement within the scientific community that several aspects of the chemistry within these models has yet to be fully elucidated, and is influential in their predictions. The work in this thesis is aimed at trying to determine some of the unknown aspects of the mechanisms of important atmospheric species. Specifically, the gas-phase reactions of two large alkanes, 2,2,4-trimethylpentane and 2,2,5-trimethylhexane are investigated. These two alkanes are present in urban air, and are p
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Huang, Reng-Yu, and 黃仍鈺. "A preliminary study of characteristic and their ozone precursors of using smog chamber photochemical reactivity." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/47768588146396992046.

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碩士<br>國立雲林科技大學<br>環境與安全工程技術研究所<br>88<br>Abstract This paper presents a study of flow characteristic and photochemical reactivity of ozone precursors using a pilot-scale smog chamber. The interior wall material of chamber is made of Teflon film with the size of 1-m3. The chamber is irradiated by 40 sets of 30-W UV light sources and aluminum external reflectors surrounding the chamber are used to enhance the light intensity evenly. Primarily, the fresh air contained in the smog chamber in the dark (without UV light) was conducted to evaluate the chamber decay and w
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O'Brien, Jason Matthew. "Investigation of the atmospheric importance of organic nitrates through laboratory and field experiments /." 2005. http://wwwlib.umi.com/cr/yorku/fullcit?pNR11608.

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Thesis (Ph.D.)--York University, 2005. Graduate Programme in Chemistry.<br>Typescript. Includes bibliographical references (leaves 199-210). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pNR11608
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Bones, David L. "Liquid aerosol photochemistry : a thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Chemistry in the University of Canterbury /." 2008. http://library.canterbury.ac.nz/etd/adt-NZCU20080527.110554.

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Lin, Sheng-Kai, and 林聖凱. "Study on Photochemical formation of colloidal Silver Nanoparticle and It’s Application." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/68942264191116999289.

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碩士<br>國立中興大學<br>化學工程學系所<br>104<br>Liquid crystal display (LCD) was widely applied for smartphone, television, computer screen, car navigation system and so on, because it’s thin and portable. However, LCD still needs improvement, such as power consumption, contrast, motion blur, etc. To achieve better image quality and energy saving, nanoparticles were added into the liquid crystal, reducing the elastic constants and increasing the dielectric constants to shorten the response time and lower the threshold voltage. In this research, firstly, we used polyvinylpyrrolidone (PVP) and 4-cyano-4''-pen
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"The Possible Photochemical Origins of Banded Iron Formations." Master's thesis, 2017. http://hdl.handle.net/2286/R.I.45558.

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abstract: Banded iron formations (BIFs) are among the earliest possible indicators for oxidation of the Archean biosphere. However, the origin of BIFs remains debated. Proposed formation mechanisms include oxidation of Fe(II) by O2 (Cloud, 1973), photoferrotrophy (Konhauser et al., 2002), and abiotic UV photooxidation (Braterman et al., 1983; Konhauser et al., 2007). Resolving this debate could help determine whether BIFs are really indicators of O2, biological activity, or neither. To examine the viability of abiotic UV photooxidation of Fe, laboratory experiments were conducted in which Fe-
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Lee, Wen-Kuang, and 李文光. "On the Study of the Formation and Evolution of the Ammonium Sulfate Particles in the Smog Chamber." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/92274637244645818437.

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碩士<br>國立中央大學<br>環境工程研究所<br>82<br>This study utilized the continuous stirred tank reactor (CSTR) with the artificial sunlight to investigate the formation of ammonium sulfate aerosols and the influences imposed by varying the environmental factors chosen as temperature, relative humidity (RH), and light intensity. It isfocused on the aerosol size distribution and productivity through the process of homogeneous heteromolecular nucleation or heterogeneous hetero molecular nucleation. The resu
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Zigler, Steven S. "Photochemical and structural studies of azidosilanes [and] formation of silanediimines and silanimines /." 1987. http://catalog.hathitrust.org/api/volumes/oclc/15993407.html.

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Lee, Hung-Wen, and 李鴻文. "Formation of ATP by Photochemical Excitation of Benzoquinones in N,N-Dimethylacetamide Solution." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/40942301330700493874.

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NurfitriyaniSulistyo, Elita, and 曹雅萍. "The Effect of Dissolved Organic Matter Sources on the Photochemical Formation of Silver Nanoaprticles." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/8ww9hg.

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碩士<br>國立成功大學<br>環境工程學系<br>105<br>Abstract Silver nanoparticles (AgNPs) are a commonly used nanoparticle and have useful characteristics such as excellent antibacterial property. A recent survey indicates that AgNPs are one of the most frequently used (24%) nanomaterials in the consumer products available on the markets across 32 countries. AgNPs once released into the environment could be oxidized to form silver ions which could be bound to dissolved organic matter (DOM). It has been shown that silver ions can be photoreduced to form AgNPs by natural organic matter (NOM) under sunlight condit
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