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Dissertations / Theses on the topic 'Macro metals'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Prazeres, Marcionila Alexandre Gomes dos. "Determinação de macro e microelementos em crustáceos catado comercializados em Salvador, Bahia, Brasil." reponame:Repositório Institucional da UFBA, 2011. http://www.repositorio.ufba.br/ri/handle/ri/10797.

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98f.<br>Submitted by Ana Hilda Fonseca (anahilda@ufba.br) on 2013-04-10T15:28:07Z No. of bitstreams: 1 Dissertação versão final. 2012.pdf: 2926493 bytes, checksum: 7c8eb202f8e1d49db66d28957c7f2ad6 (MD5)<br>Approved for entry into archive by Ana Hilda Fonseca(anahilda@ufba.br) on 2013-05-10T15:54:03Z (GMT) No. of bitstreams: 1 Dissertação versão final. 2012.pdf: 2926493 bytes, checksum: 7c8eb202f8e1d49db66d28957c7f2ad6 (MD5)<br>Made available in DSpace on 2013-05-10T15:54:03Z (GMT). No. of bitstreams: 1 Dissertação versão final. 2012.pdf: 2926493 bytes, checksum: 7c8eb202f8e1d49db66d28957c7f2ad

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Cunha, Vera de Almeida Cardoso. "Redução do teor de contaminantes químicos em bivalves provenientes do Estuário do Tejo." Master's thesis, ISA/UTL, 2012. http://hdl.handle.net/10400.5/5326.

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Mestrado em Engenharia Alimentar - Instituto Superior de Agronomia<br>Manila clam (Ruditapes philippinarum), mussel (Mytilus sp.) and peppery furrow shell clam (Scrobicularia plana) are species with high abundance in the Tagus estuary. However, these species may have high levels of contaminant metals. This study aimed to determine the effect of depuration of manila clam, mussel and peppery furrow shell clam on the content of contaminant metals (Cd, Pb and Hg) and on macro, micro and trace elements (S, Ca, K, Cl, Fe, Cu, Zn, As, Se, Br, Rb and Sr). The results revealed that the depuration

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Hadjichari, Andrew Michael, University of Western Sydney, and School of Civic Engineering and Environment. "Determination of heavy metals on macro- and micro-electrodes by adsorptive cathodic stripping voltammetry and anodic stripping voltammetry." THESIS_XXXX_CEE_Hadjichari_A.xml, 1999. http://handle.uws.edu.au:8081/1959.7/602.

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This thesis describes the application of macro, micro, ultra-microelectrodes and microelectrode arrays to the measurement of trace concentrations of nickel and cobalt in sediment and natural waters by adsorptive cathodic stripping voltammetric methods. In addition the measurement of tin by adsorptive cathodic stripping voltammetry in sediment and natural waters is discussed. Also, the application of macroelectrodes and microelectrode arrays to the measurement of lead, cadmium and zinc in sediment and natural waters by anodic stripping voltammetry is considered. In all cases the determination o

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Hadjichari, Andrew Michael. "Determination of heavy metals on macro- and micro-electrodes by adsorptive cathodic stripping voltammetry and anodic stripping voltammetry." Thesis, View thesis, 1999. http://handle.uws.edu.au:8081/1959.7/602.

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This thesis describes the application of macro, micro, ultra-microelectrodes and microelectrode arrays to the measurement of trace concentrations of nickel and cobalt in sediment and natural waters by adsorptive cathodic stripping voltammetric methods. In addition the measurement of tin by adsorptive cathodic stripping voltammetry in sediment and natural waters is discussed. Also, the application of macroelectrodes and microelectrode arrays to the measurement of lead, cadmium and zinc in sediment and natural waters by anodic stripping voltammetry is considered. In all cases the determination o

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Hadjichari, Andrew Michael. "Determination of heavy metals on macro- and micro-electrodes by adsorptive cathodic stripping voltammetry and anodic stripping voltammetry /." View thesis, 1999. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030828.122855/index.html.

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Thesis (Ph. D) -- University of Western Sydney, Nepean, 1999.<br>A thesis presented for the degree of Doctor of Philosophy, Centre for Electrochemical Research and Analytical Technology, University of Western Sydney, Nepean. Includes bibliographical references.

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Blanckaert, Alice. "Effets de la disponibilité en macro- et micro-nutriments sur la physiologie des coraux tropicaux." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS010.

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Les coraux tropicaux se sont adaptés à vivre dans des eaux pauvres en nutriments en établissant une relation symbiotique avec des dinoflagellés photosynthétiques (Symbiodiniaceae). En effet, les dinoflagellés utilisent les macronutriments (azote et phosphore inorganiques dissous, DIN et DIP) et métaux-traces de l’eau pour former des molécules organiques essentielles à la croissance du corail hôte. Cependant, pour une croissance et un fonctionnement optimal, l’association corail-dinoflagellé nécessite une qualité et des concentrations optimales de ces nutriments. Ce n’est pas le cas dans les ré

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7

Ghsoub, Myriam. "Dynamique des masses d'eaux côtières libanaises soumises à l'impact d'un fleuve." Thesis, Perpignan, 2019. http://www.theses.fr/2019PERP0026.

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Le but principal de cette étude est de comprendre le fonctionnement de la zone interface, continuum terre-mer au Liban. Suite à l’anthropisation spécifiquement la construction des barrages, les apports du fleuve vers la mer en termes de quantité et qualité, sont modifiés de nos jours. Le fleuve Ibrahim, ayant le débit le plus important parmi les fleuves libanais, interrompu par trois barrages, a été choisi comme étude de cas représentant les fleuves côtiers libanais. Les différents paramètres retenus ont permis de dégager des résultats intéressants. Au niveau de l’eau de surface marine le pana

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Отчик, А. Є. "Макро- та мікроелементози у дорослих, що мешкають в мегаполісах". Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/45135.

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Однією з важливих проблем великих міст є забруднення атмосферного повітря і води. До основних екологічних забруднювачів великих міст відносяться важкі метали, які надходять в організм людини інгаляційним шляхом і з водою, що може (спільно з неякісним харчуванням) стати причиною макро- та мікроелементозів. Однак проблема дисбалансу біогенних елементів у мешканців великих міст залишається невивченою. Мета роботи - вивчення особливостей вмісту біогенних елементів в сироватці крові людей, що мешкають у мегаполісах.

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Riera, Elisabeth. "Vers une construction raisonnée d’une nouvelle génération de récifs artificiels : Analyses comparatives des facteurs intrinsèques favorisant leur colonisation de la micro à la macro-échelle." Thesis, Université Côte d'Azur, 2020. http://www.theses.fr/2020COAZ4001.

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Les récifs artificiels sont des structures immergées posées délibérément sur le fond marin pour imiter certaines caractéristiques d’un habitat naturel, ils sont utilisés depuis des milliers d’années par les hommes dans le but d’améliorer leurs pratiques de pêches et depuis peu ils sont également employés pour la protection voire la restauration de certains habitats marins. Malgré ces divers objectifs, il réside encore un manque de fondements scientifiques pour déterminer la qualité de ces structures mises à l’eau afin d’en évaluer leur efficacité. Les présent travaux, focalisés sur l’étude de

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Shum, Roger Chi Fai Carleton University Dissertation Engineering Electrical. "A timing macro model for performance optimization of CMOS logic circuits." Ottawa, 1992.

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11

Penate, Quesada L. "Exploiting resistive macro to nano scale metal electrodes in Schottky barrier structures." Thesis, Queen's University Belfast, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492515.

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This thesis investigates the use of thin resistive metal electrodes in the formation of Schottky barrier structures where the resistance measured along the electrode exhibits a characteristic change as a function of temperature dictated by the Schottky barrier properties. A combination of optical and resistance measurements (15-300K) on thin Al films were undertaken. Deviations of the real and imaginary parts of the . dielectric function from bulk valuek were significant for films thinner than ~15nm. The observed trend was confirmed by evaluating the resistivity data. The estimated thickness t

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RODRIGUES, Ana Carolina Dornelas. "Potencial da alface-d??gua (Pistia stratiotes) para descontamina??o de ?guas contaminadas por Zn e Cd." Universidade Federal Rural do Rio de Janeiro, 2016. https://tede.ufrrj.br/jspui/handle/jspui/2346.

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Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-08-17T18:46:34Z No. of bitstreams: 1 2016 - Ana Carolina Dornelas Rodrigues.pdf: 2997456 bytes, checksum: 7082d101a1655828518afc90a8e436b5 (MD5)<br>Made available in DSpace on 2018-08-17T18:46:34Z (GMT). No. of bitstreams: 1 2016 - Ana Carolina Dornelas Rodrigues.pdf: 2997456 bytes, checksum: 7082d101a1655828518afc90a8e436b5 (MD5) Previous issue date: 2016-02-23<br>FAPERJ<br>Nowadays water contamination by heavy metals is an increasingly common problem, mainly due to the intensity of human activities, such as industrial, which often di

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Cidade, Mirla Janaina Augusta. "Determinações de macros e micro-constituintes em soro de leite e de suas disponibilidades nutricionais por ICP OES." Universidade Federal de Roraima, 2011. http://www.bdtd.ufrr.br/tde_busca/arquivo.php?codArquivo=95.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Neste trabalho foram desenvolvidos métodos para a quantificação de Co, Mo, Mn, Cu Fe, Zn, Mg, Na, Ca e K por espectrometria de emissão óptica com plasma indutivamente acoplado (ICP OES) em amostras de soro de leite integral e leite desnatado, obtidas por coagulação enzimática e por coagulação ácida. As condições instrumentais foram previamente estabelecidas pela avaliação da robustez do plasma. O método desenvolvido por digestão ácida em chapa de aquecimento foi utilizado como referência, cujos resultados mostraram Co, Mo, Mn, Cu e

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Aleluia, Augusto Cezar Magalhães. "Determinação de macro e microelementos em medicamentos fitoterápicos." Instituto de Química, 2015. http://repositorio.ufba.br/ri/handle/ri/19186.

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Submitted by Ana Hilda Fonseca (anahilda@ufba.br) on 2016-05-02T17:51:09Z No. of bitstreams: 1 DISSERTAÇÃO MESTRADO - AUGUSTO.pdf: 652098 bytes, checksum: af18c3bcd7eec163edc48736c244d5f8 (MD5)<br>Approved for entry into archive by Ana Hilda Fonseca (anahilda@ufba.br) on 2016-05-13T14:24:16Z (GMT) No. of bitstreams: 1 DISSERTAÇÃO MESTRADO - AUGUSTO.pdf: 652098 bytes, checksum: af18c3bcd7eec163edc48736c244d5f8 (MD5)<br>Made available in DSpace on 2016-05-13T14:24:16Z (GMT). No. of bitstreams: 1 DISSERTAÇÃO MESTRADO - AUGUSTO.pdf: 652098 bytes, checksum: af18c3bcd7eec163edc48736c244d5f8 (MD5

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Rozgic, Marco [Verfasser]. "Mathematical Optimization of Industrial Sheet Metal Forming Processes / Marco Rozgic." Hamburg : Helmut-Schmidt-Universität, Bibliothek, 2018. http://d-nb.info/1165340658/34.

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Rozgi`c, Marco [Verfasser]. "Mathematical Optimization of Industrial Sheet Metal Forming Processes / Marco Rozgic." Hamburg : Helmut-Schmidt-Universität, Bibliothek, 2018. http://d-nb.info/1165340658/34.

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Chen, Shuai. "Investigation of FEM numerical simulation for the process of metal additive manufacturing in macro scale." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI048/document.

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La fabrication additive (FA) est devenue une nouvelle alternative pour la fabrication des pièces dans l'industrie. Cependant, il existe encore des limites pour ce procédé, en particulier la forme finale défavorable et les propriétés macroscopiques indésirables des pièces métalliques construites dans les systèmes de FA. La distorsion ou la fissure due à la contrainte résiduelle de ces pièces pose généralement de graves problèmes pour certains types de technologie de la FA métallique. Dans un système de FA, la qualité finale d'une pièce métallique dépend de nombreux paramètres de procédé, qui so

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Calkan, Burak. "Preparation of Novel Nano-Structured Macro- and Meso-Porous Metal Foams for Process Intensification and Miniaturization." Thesis, University of Newcastle Upon Tyne, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.519454.

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Yuan, Dekui. "Development of an integrated hydro-environmental model and its application to a macro-tidal estuary." Thesis, Cardiff University, 2007. http://orca.cf.ac.uk/54578/.

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Kanbe, Yuichi. "Control of Alloy Composition and Evaluation of Macro Inclusions during Alloy Making." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-27773.

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In order to obtain a good performance and predict the properties of alloys, it is necessary to control the contents of alloying elements and to evaluate a largest inclusion in the product. Thus, improved techniques for both control of alloy elements and evaluation of the large inclusion in products will enable us to provide better qualities of the final products. In the case of one Ni alloy, (NW2201, >99 mass%Ni), the precise control technique of Mg content is important to obtain a good hot-workability. Hereby, the slag/metal reaction experiments in a laboratory have been carried out at 187

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Pallon, Love. "Polyethylene/metal oxide nanocomposites for electrical insulation in future HVDC-cables : probing properties from nano to macro." Doctoral thesis, KTH, Polymera material, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193591.

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Nanocomposites of polyethylene and metal oxide nanoparticles have shown to be a feasible approachto the next generation of insulation in high voltage direct current cables. In order to reach an operationvoltage of 1 MV new insulation materials with reduced conductivity and increased breakdown strengthas compared to modern low-density polyethylene (LDPE) is needed.In this work polyethylene MgO nanocomposites for electrical insulation has been produced andcharacterized both from an electrical and material perspective. The MgO nanoparticles weresynthesized into polycrystalline nanoparticles with

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AYO-BALI, ABIODUN Emmauel. "Geochemical Analysis of the Environmental Phases of La Barra de Santiago Estuary, El Salvador." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1556804693894507.

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Schwarze, Marco [Verfasser]. "Reduced integration finite element technologies with application to sheet metal forming / Marco Schwarze." Aachen : Shaker, 2010. http://d-nb.info/1080766774/34.

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Gonçalves, Susana Maria Neves Serra. "Bacalhau salgado seco: influência da demolha e do tratamento culinário na sua qualidade." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/5986.

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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do Grau de Mestre em Tecnologia e Segurança Alimentar<br>Desde tempos remotos que o bacalhau salgado seco é utilizado regularmente pelo povo português na sua gastronomia, o que deu a este produto um estatuto privilegiado na dieta Portuguesa, comparativamente a qualquer outro alimento. Os estudos realizados em Portugal recentemente, neste domínio, são escassos. Assim, pretendeu-se com este trabalho fornecer uma contribuição para o conhecimento sobre o bacalhau salgado seco em termos da su

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Schott, Marco [Verfasser], and Dirk G. [Gutachter] Kurth. "Neuartige Elektrodenmaterialien auf der Basis von Metallo-Polyelektrolyten und Hybridpolymeren für elektrochrome Fenster / Marco Schott. Gutachter: Dirk G. Kurth." Würzburg : Universität Würzburg, 2015. http://d-nb.info/1110985207/34.

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Frisenda, Paola. "Utilizzo di saggi ecofisiologici ed ecotossicologici per il biomonitoraggio dei metalli pesanti in aree marine portuali: micro - e macro -alghe nella bioindicazione e nel biorimedio." Doctoral thesis, Università degli studi di Trieste, 2008. http://hdl.handle.net/10077/2659.

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2006/2007<br>RIASSUNTO Il recente Codice dell’Ambiente (D.lgs 152/2006) prevede il raggiungimento di ‘standard’ di qualità dei corpi idrici con particolare riferimento ai metalli pesanti (sostanze pericolose prioritarie, PP). Il passato piano di monitoraggio (2001-2004) del Ministero dell’Ambiente ha messo in luce il frequente superamento dei limiti di legge nelle stazioni del Golfo di Trieste. I metodi chimico/fisici utilizzati per determinare le concentrazioni di metalli in acqua o nei sedimenti non sono in grado di determinare l’effettiva biodisponibilità degli elementi, da cui dipende la

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Tournelle, Kimura Pablo. "Collapse.cl. Diseño de una plataforma (webzine) de gestión de talento creativo en el marco de la industria creativa musical del metal chileno." Tesis, Universidad de Chile, 2013. http://www.repositorio.uchile.cl/handle/2250/130517.

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Memoria para optar al título de Diseñador Gráfico<br>El presente proyecto aplicado “Collapse.cl” es el diseño de una webzine de gestión del talento creativo en el marco de la industria creativa musical del Metal chileno, enfocado en las necesidades de sus audiencias declaradas, con una profunda exploración sobre temáticas como el desarrollo de audiencias y consolidación de comunidades; diseño de interfaces y experiencias de usuario; identidad y experiencia estética, entre otros. Se discuten además las relaciones entre estos conceptos, en cuanto a su interacción y valorización simbóli

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Marín, Guirao Lázaro. "Aproximación ecotoxicológica a la contaminación por metales pesados en la laguna costera del Mar Menor." Doctoral thesis, Universidad de Murcia, 2007. http://hdl.handle.net/10803/10773.

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El objetivo de la Tesis es obtener una visión de la situación actual de la laguna costera del Mar Menor en relación con la contaminación por metales pesados procedentes de actividades mineras mediante el empleo de herramientas ecotoxicológicas. Comienza con el estudio de la entrada de residuos mineros en el ecosistema, su distribución en las aguas de la laguna así como los efectos tóxicos asociados. Continua valorando la biodisponibilidad de los metales contenidos en los sedimentos lagunares mediante pruebas de toxicidad y de bioacumulación; sus efectos en praderas de fanerógamas y comunidades

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Peroni, Marco [Verfasser], Johannes A. [Akademischer Betreuer] [Gutachter] Lercher, and Dirk [Gutachter] Weuster-Botz. "Transition Metal Phosphides Catalysts for the Hydroprocessing of Triglycerides to Green Fuel. / Marco Peroni ; Gutachter: Johannes A. Lercher, Dirk Weuster-Botz ; Betreuer: Johannes A. Lercher." München : Universitätsbibliothek der TU München, 2017. http://d-nb.info/1132248728/34.

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Silv?rio, J?ssica Mitizy de Oliveira. "O papel da macr?fita aqu?tica emersa Montrichardia linifera (Araceae) na ciclagem de f?sforo e na bioacumula??o de metais pesado em um sistema fluvial sob efeitos da urbaniza??o." PROGRAMA DE P?S-GRADUA??O EM ENGENHARIA SANIT?RIA, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/23553.

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Duarte, Rafael Burjack Farias. "Essays in applied econometrics." reponame:Repositório Institucional do FGV, 2015. http://hdl.handle.net/10438/16591.

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Brandner, Marco [Verfasser]. "Herstellung einer Metall-Keramik-Verbundstruktur für Hochtemperaturbrennstoffzellen in mobilen Anwendungen / Forschungszentrum Jülich in der Helmholtz-Gemeinschaft, Institut für Energieforschung (IEF), Werkstoffsynthese und Herstellungsverfahren (IEF-1). Marco Brandner." Bochum : Universitätsbibliothek Ruhr-Universität Bochum, 2006. http://d-nb.info/999141414/34.

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Alves, Filho Cláudio Henrique Macedo. "Análise da influência da taxa de resfriamento no gradiente microestrutural de barras laminadas a quente tratados termicamente / Cláudio Henrique Macedo Alves Filho ; orientador, Luís Mauro Moura ; co-orientador, Ricardo Diego Torres." reponame:Biblioteca Digital de Teses e Dissertações da PUC_PR, 2004. http://www.biblioteca.pucpr.br/tede/tde_busca/arquivo.php?codArquivo=529.

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Dissertação (mestrado) - Pontifícia Universidade Católica do Paraná, Curitiba, 2004<br>Inclui bibliografia<br>A utilização de sistemas de resfriamento controlado em laminadores proporciona o controle das propriedades mecânicas do material laminado a partir de composições químicas pré-definidas, de modo a garantir as especificações do produto atribuído à viabilida

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Matsch, Stefan. "Einfluss der Temperatur auf die lokale Korrosion passiver Metalle : makro- und mikroelektrochemische Untersuchungen an austenitischen Chrom-Nickel-Stählen im Temperaturbereich von 0° bis 90°C /." [S.l.] : [s.n.], 1999. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13258.

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Scriptore, Juliana Souza. "A parceria público-privada no saneamento básico brasileiro: uma proposta para o desenvolvimento do setor." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/96/96131/tde-05052010-162539/.

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Atualmente, no Brasil, a atenção ao setor de saneamento básico tornou-se uma questão de saúde pública e ambiental. A evolução dos indicadores recentes mostra que o nível de cobertura se encontra em patamares aquém do necessário frente a uma elevada demanda, decorrente do crescimento populacional e de um histórico insuficiente de atendimento no país. Esse setor enfrenta dificuldades na captação de recursos para investimentos por parte das empresas públicas, pois estas se encontram submetidas a regras fiscais tais como limites de endividamento, contingenciamento de crédito e metas de superávit.

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Bani, Hashemi Amir [Verfasser], Mantia Fabio [Akademischer Betreuer] La, Mantia Fabio [Gutachter] La, and Mauro [Gutachter] Pasta. "Electrochemical and morphological characterization of the Interface at negative electrodes in aqueous metal-ion batteries "Gas Evolution & electrodepostion Efficiency" / Amir Bani Hashemi ; Gutachter: Fabio La Mantia, Mauro Pasta ; Betreuer: Fabio La Mantia." Bremen : Staats- und Universitätsbibliothek Bremen, 2018. http://d-nb.info/1154925978/34.

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Hollertz, Julia. "¿Reflejan las metas o no? : Un análisis de tres libros de texto de ELE del instituto sueco y el reflejo en ellos del plan de curso para lenguas extranjeras de GY11 y del Marco Común Europeo de Referencias para lenguas." Thesis, Linnéuniversitetet, Institutionen för språk (SPR), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-49585.

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When it comes to the foreign language teaching in Sweden, there are, amongst others, two recommendation direction documents that serve as help and support to achieve an appropriate acquisition and teaching of the foreign language. These documents are the courseplan for foreign languages by GY11 that is established by the Swedish department of education and the Common European Framework of Reference for languages, that’s been written by the European Council. In this essay, we have chosen to analyse wheather or not three Spanish textbooks, Caminando 3, Alegría 3 and Vistas 3, reflect the goals

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Schmidt, Marco [Verfasser], Michael [Akademischer Betreuer] Brünig, Michael [Gutachter] Brünig, Manuela [Gutachter] Sander, and Wolfram [Gutachter] Volk. "Biaxiale Experimente und numerische Simulationen mit neu entwickelten Probekörpern zur Vorhersage der Schädigung und des Versagens duktiler Metalle / Marco Schmidt ; Gutachter: Michael Brünig, Manuela Sander, Wolfram Volk ; Akademischer Betreuer: Michael Brünig ; Universität der Bundeswehr München, Fakultät für Bauingenieurwesen und Umweltwissenschaften." Neubiberg : Universitätsbibliothek der Universität der Bundeswehr München, 2020. http://d-nb.info/123042069X/34.

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"Polymeric nitrogen donor macro(meso)porous sorption materials for selected transition metals." Thesis, 2015. http://hdl.handle.net/10210/13835.

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"Toxicity of double-walled carbon nanotubes to algae, macro-invertebrates and fish." Thesis, 2015. http://hdl.handle.net/10210/13870.

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PhD. (Chemistry)<br>This project assessed the toxicity of double-walled carbon nanotubes to three aquatic organisms belonging to different trophic levels, namely Pseudokirchneriella subcapitata (algae), Daphnia pulex (macro-invertebrate) and Poecilia reticulata (fish). Prior to the toxicity testing, the dry DWCNTs were characterised using scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy and Raman spectroscopy. Dynamic light scattering was used to characterise DWCNT suspensions. Natural water parameters such as increased ionic strength (Ca2+ a

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Pacheco, Rafael Palhotas. "Correlação entre macro e nanopartículas emitidas em fumos de soldadura MAG de aços inoxidáveis com diferentes gases de protecção." Master's thesis, 2015. http://hdl.handle.net/10362/17033.

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A soldadura é o processo mais utilizado na ligação de materiais. Os efeitos na saúde dos trabalhadores expostos a fumos de soldadura estão normalmente associados a danos pulmonares agudos e crónicos, mas também a outras condições médicas e doenças. O principal objectivo deste estudo foi correlacionar as emissões de macro e nanopartículas libertadas durante o processo de soldadura MIG/MAG de aços inoxidáveis com diferentes gases de protecção. Usando diferentes misturas gasosas utilizadas industrialmente com diferentes entregas térmicas, determinaram-se taxas de formação de fumos e áreas superf

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Teixeira, Ricardo Jorge Gonçalves. "Synthesis of new 3D-n5-carboranyl and n5-methylcyclopentadienyl ruthenium complexes incorporating bipyridine (macro) ligands as promising anticancer agents." Master's thesis, 2017. http://hdl.handle.net/10451/31808.

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Tese de mestrado, Química (Química) Universidade de Lisboa, Faculdade de Ciências, 2017<br>Cancer is considered one of the leading causes of death worldwide. Therefore, the search for potential anticancer drugs is nowadays a mandatory topic and many research groups focus their interests and efforts in this area. About 50-70 % of all tumors are treated with platinum based compounds (cisplatin, carboplatin and oxaliplatin) but due to several and severe side effects caused by these metallodrugs and to the resistance phenomena (acquired or intrinsic), complexes with metal ions other than platinum,

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Xiao-NingTsai and 蔡孝寧. "Study on Preparation of Stable HPMC Composite Solution with Metal/Oxide Nanoparticle by Steric Stabilization and Load Capacity, Macro-scale Tribological Behavior of Composite Films." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/v3n3cm.

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碩士<br>國立成功大學<br>機械工程學系<br>106<br>Hydroxypropyl methylcellulose (HPMC) is a kind of biopolymer with the character-istics of biodegradability, environment friendly, great mechanical properties and tribological properties. Therefore, it is suitable to develop as substituted materials of plastic. However, HPMC deforms easily when it bears the loading, causing real con-tact area and the adhesive force between HPMC and counter(AISI52100) increase, so that the HPMC film is easily damaged due to adhesive wear, and leading to lose efficacy on wear resistance. Hence, nanoparticles(NPs) Al, Cu, Al2O3, Cu

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Modak, Arindam. "Designing The Functional Building Blocks For Syntheses Of Organic And Organic-Inorganic Hybrid Porous Materials." Thesis, 2019. http://hdl.handle.net/10821/8309.

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The research embodied in the present thesis entitled “Designing The Functional Building Blocks For Syntheses Of Organic And Organic-Inorganic Hybrid Porous Materials” deals with synthesis and characterization of several novel nanoporous organic and hybrid organicinorganic materials and their applications in the field of gas adsorption and storage, heterogeneous catalysis, ion-exchange, chromatography and so on. Template directed synthesis of phloroglucinol diimine functionalized pore wall has been developed and showed as outstanding catalytic support for metal mediated catalysis. Further surfa

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