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Dissertations / Theses on the topic 'Micro metals'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Asthana, Pranay. "Micro- and nano- scale experimental approach to surface engineer metals." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/5756.

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This thesis includes two parts. The first part reviews the history and fundamentals of surface science and tribology. The second part presents the major research outcomes and contributions. This research explores the aspects of friction, wear, and surface modification for tribological augmentation of surfaces. An effort has been made to study these aspects through gaining insights by fundamental studies leading to specific practical applications in railroads. The basic idea was to surface engineer metals for enhanced surface properties. A micro- and nano- scale experimental approach has been u

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2

Gill, Matthew. "Micro and nano structuring of metals using femtosecond laser ablation." Thesis, University of Liverpool, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434009.

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3

Sista, Sri Narasimha Bhargava. "Dry Static Friction in Metals: Experiments and Micro-Asperity Based Modeling." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1416579128.

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4

Zhou, Yi. "Platinum group metals catalyzed steam methane reforming via micro-channel reactor." Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/8703.

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Includes bibliographical references.<br>Steam methane reforming is a well-established industrial process used for generating hydrogen and synthesis gas. By performing this reaction in micro-channel reactors it is possible to take advantage of increased heat and mass transfer rates, allowing equipment size and residence times to be decreased by an order of magnitude which, in turn, leads to the possible utilisation of small scale steam reformers for portable fuel cell power systems. In this study, two commercial steam reforming catalysts, namely catalysts YR and XR, and a single in-house synthe

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Kordás, K. (Krisztián). "Laser-assisted chemical liquid-phase deposition of metals for micro- and optoelectronics." Doctoral thesis, University of Oulu, 2002. http://urn.fi/urn:isbn:9514266862.

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Abstract The demands toward the development of simple and cost-effective fabrication methods of metallic structures with high lateral resolution on different substrates - applied in many fields of technology, such as in microelectronics, optoelectronics, micromechanics as well as in sensor and actuator applications - gave the idea to perform this research. Due to its simplicity, laser-assisted chemical liquid-phase deposition (LCLD) has been investigated and applied for the metallization of surfaces having practical importance (Si, GaAs, SiO2, Si3N4, etc.) since the beginning of the 80s. By th

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6

Silva, Sharlleny Alves. "Avaliação da concentração de micro e macroconstituintes do sedimento do reservatório Itupararanga/Sorocaba-SP." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/85/85131/tde-10122012-131218/.

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O reservatório de Itupararanga foi construído pela LIGHT para gerar energia elétrica, iniciando suas operações em 1912. É formado pela barragem das águas do rio Sorocaba, o qual possui como afluentes os rios Sorocamirim, Sorocabuçu e Una. O reservatório localiza-se em uma área de fortes pressões ambientais devido à poluição difusa da produção agrícola, à carga orgânica e uso e ocupação do solo com atividades antrópicas. Desde 2003 vem recebendo alertas da CETESB, devido à presença de grande quantidade de cianobactérias que têm se mantido até os dias atuais. Em decorrência dos problemas observa

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7

Haemer, Joseph Michael. "Thermo-mechanical modeling and design of micro-springs for microelectronic probing and packaging." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16830.

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Juan, Pierre-Alexandre. "Micromechanical and statistical studies of twinning in hexagonal metals : application to magnesium and zirconium." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0336/document.

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Le principal objectif de ce travail est l’investigation et la quantification de l’influence des interactions parent-macle et macle-macle sur la réponse mécanique des métaux hexagonaux, et en particulier sur celle du Mg et du Zr. Une nouvelle approche à champs moyens est tout d’abord proposée pour étudier l’interaction parent-macle. Cette dernière est déclinée en deux modèles micromécaniques à double-inclusion : un premier modèle généralisant le résultat de Tanaka-Mori aux milieux élastiques hétérogènes avec déformations libres de maclage appliqué au Mg pour du maclage primaire et secondaire, e

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Monahan, Jennifer L. "Skeletal Pathology of Tibiotarsi in Chick Embryos Exposed to Platinum Group Metals by Micro-Raman Spectroscopy." Wright State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=wright1278554763.

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10

Bateman, Mark J. "The uptake of heavy metals by aquatic macrophytes and the development of microsampling analytical techniques." Thesis, Coventry University, 1999. http://curve.coventry.ac.uk/open/items/82ba9974-f8fc-6290-40a7-3a64e63ff8a6/1.

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This thesis reviews literature relating both to the treatment of metal rich wastewaters by the use of constructed wetlands and the use of slurry analytical procedures for the determination of heavy metals in environmental micro-samples. A survey of metal contaminated wetland sites showed that aquatic plants maintain low levels of metals in aerial parts despite some very elevated sediment metal concentrations and extreme acidity. A series of greenhouse trials investigated the uptake of metals into aerial sections of Typha, Phragmites and Equisetum in long term hydroponic experiments. Phragmites

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11

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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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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Stahler, Adam Christopher. "Micro-Raman Imaging and Hyperspectral Analysis of Tibiotarsi from Chick Embryos Exposed to Sublethal Doses of Platinum Group Metals." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1347480100.

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Komarasamy, Mageshwari. "Deformation Micro-mechanisms of Simple and Complex Concentrated FCC Alloys." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822829/.

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The principal objective of this work was to elucidate the effect of microstructural features on the intrinsic dislocation mechanisms in two FCC alloys. First alloy Al0.1CoCrFeNi was from a new class of material known as complex concentrated alloys, particularly high entropy alloys (HEA). The second was a conventional Al-Mg-Sc alloy in ultrafine-grained (UFG) condition. In the case of HEA, the lattice possess significant lattice strain due to the atomic size variation and cohesive energy differences. Moreover, both the lattice friction stress and the Peierls barrier height are significantly lar

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Lopes, Monica Aparecida Ferreira de Souza Bindes Gomes. "Digestão nitro-sulfúrica de fígado de peixe Mugil liza em forno de micro-ondas com radiação focalizada para determinar elementos de interesse ambiental por ICPMS." Universidade do Estado do Rio de Janeiro, 2010. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=2771.

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O presente estudo propõe uma metodologia para dissolução de tecidos biológicos em sistema de micro-ondas com radiação focalizada e posterior análise elementar por espectrometria de massas com plasma acoplado indutivamente (ICPMS). Foram determinados os elementos arsênio (As), cádmio (Cd), cobre (Cu), chumbo (Pb), níquel (Ni), vanádio (V) e zinco (Zn). A matriz nitro-peroxo-sulfúrica foi comparada com outra sem o ácido sulfúrico e apresentou melhor padrão de recuperação (acima de 90%) na quantificação dos elementos certificados no material de referência TORT-2. As interferências causadas pela p

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Richard, Mélissa. "Recyclage assisté des métaux stratégiques de batteries lithium-ion par chauffage micro-ondes." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS466.

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Avec la demande croissante en véhicules électriques, la demande en cobalt, constituant important des batteries li-ion ne cesse d’augmenter. Le cobalt est considéré comme une ressource critique et le recyclage des batteries constituent une mine secondaire qu’il est indispensable d’exploiter. Le but de ce projet de thèse et ANR, est de développer un nouveau procédé de recyclage des métaux critiques des batteries au lithium ions. Ce procédé d’hydrométallurgie en flux assisté par chauffage micro-ondes réalise simultanément les étapes de lixiviation et d’’extraction du cobalt, ce qui devrait le ren

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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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Hardie, Christopher David. "Micro-mechanics of irradiated Fe-Cr alloys for fusion reactors." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:a3ac36ba-ca6f-4129-8f37-f1278ef8a559.

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In the absence of a fusion neutron source, research on the structural integrity of materials in the fusion environment relies on current fission data and simulation methods. Through investigation of the Fe-Cr system, this detailed study explores the challenges and limitations in the use of currently available radiation sources for fusion materials research. An investigation of ion-irradiated Fe12%Cr using nanoindentation with a cube corner, Berkovich and spherical tip, and micro-cantilever testing with two different geometries, highlighted that the measurement of irradiation hardening was larg

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De, Angelis Fabien. "Characterization of proteins involved in RND-driven heavy metal resistance systems of Cupriavidus metallidurans CH34." Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210154.

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Les systèmes d’efflux tripartite de type Resistance, Nodulation and cell-Division (RND) sont essentiels dans le maintien de phénotypes de résistance multidrogues et contre les métaux lourds dans nombreuses bactéries Gram-négatives. Le transport de ces composés toxiques hors de la cellule est permis par l’assemblage d’une protéine de type antiporteur cation/proton (unité RND) insérée dans la membrane interne, connectée à une protéine insérée dans la membrane externe, pour former un canal de sorti qui traverse l’entièreté de l’enveloppe cellulaire. Le troisième composant du système, la protéine

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Ngonlong, Ekende Elisabeth. "Towards a better understanding of bacterial resistance to heavy metal ions: the case of the Sil and Zne systems from Cupriavidus metallidurans CH34." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209686.

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Hussain, Noor Feuza. "Electrochemical Remedy and Analysis for the Environment Based on the New Polymer-DNA Composite Material." Digital Commons @ East Tennessee State University, 2005. https://dc.etsu.edu/etd/1047.

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In this work a new material, the conducting polymer-DNA composite, has been reported for the first time due to its promise in micro extraction, transfer, and release of cations under controlled potential conditions by using electrochemically assisted solid phase micro extraction (SPME). The Polypyrrole/DNA composite can be formed easily by oxidation of pyrrole monomers in the presence of chromosomal DNA by electropolymerization. Environmental significant pollutants such as Cd, Pb, Hg, Co, Zn, Cu, and Bi metal ions can be extracted from the aqueous solution and are able to be transferred to ano

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Kerouedan, Julien. "Conception et réalisation de sondes hyperfréquences pour la détection de micro-fissures de fatigue à la surface des métaux." Brest, 2009. http://www.theses.fr/2009BRES2058.

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La fatigue mécanique et thermique des structures métalliques est l’une des altérations majeures dans les centrales de production d’énergie. Une détection précoce des défauts de surface par des procédés de contrôle non destructif (CND) permet une maintenance préventive pertinente des installations en évitant d’avoir à démonter ou remplacer des composants sains. Actuellement, la majorité des solutions automatisées de CND est basée sur des techniques utilisant les ultrasons ou les courants de Foucault. Cependant, malgré leurs sensibilité et résolution spatiale élevées, ces méthodes ne sont pas né

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Spina, Rosella. "Developement of cycloisomerization reactions for the synthesis of nitrogen or oxygen containing heterocycles." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20241/document.

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La catalyse, les solvants alternatifs et l'économie d'atome font partie des clés pour le développement de nouvelles stratégies durables de synthèse. Des hétérocycles comme les quinoléines substituées, par réaction de cycloisomérisation catalysée par le cuivre en utilisant les liquides ioniques, et les isoquinoléines carbonylées par réaction de carbonylation oxydante catalysée par le palladium dans le méthanol ont été synthétisées. La formation sélective de 1,3-dihydroisobenzofuranes et/ou 1H-isochromènes a été tentée par réaction de cycloisomérisation catalysée par différent métaux de transiti

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Bae, Jeon Ah. "Reincarnating the micro universe /." Online version of thesis, 2008. http://hdl.handle.net/1850/7792.

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Ismail, Ahmed. "Micro Mechanical Modelling of Metal Powder." Thesis, KTH, Matematik (Inst.), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103245.

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We study the problem of packing spheres of different radii into a rigid container. The spheres are packed as densely as possible so they neither overlap nor cross the boundaries of the container. The packed spheres are then meshed in preparation for finite element analysis. The spheres are meshed individually (separately) without taking care of the contact surface between spheres or containers wall. The last step is the hydrostatic pressing of the spheres made of elastic-plastic materials and with simplified contact conditions. Such simulations are of interest to the metallurgist because they

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POTHURAJU, VENKATA NAGA SRI RENUKA DEVI. "Optical Properties of Micro/Nano Structured Metal-Insulator-Metal Nanocavities." Doctoral thesis, Università degli studi di Genova, 2022. http://hdl.handle.net/11567/1086171.

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Plasmonic metamaterials provide a great deal of optical tunability and interesting phenomena in terms of light-matter interaction. Metal-Insulator-Metal (MIM) nanocavities are one of the most versatile systems for nano light confinement and waveguiding. These cavities exhibit Epsilon-Near-Zero (ENZ) modes, which can be used in conjunction with emitters to improve their optical properties. MIM nanocavities have been extensively studied, but when the cavities are confined in one more direction, the behavior changes. The purpose of this study is to investigate the effect of lateral micro/nano str

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Jenkins, Martin Anthony. "Rapid Prototyping by micro spray metal deposition." Thesis, University of Exeter, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363429.

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Ng, Kwok-sing. "Plastic deformation of aluminium micro-specimens." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B4175802X.

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Ng, Kwok-sing, and 吳國勝. "Plastic deformation of aluminium micro-specimens." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B4175802X.

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Stoyanov, Pantcho. "Micro-tribological performance of metal-doped MoS2 coatings." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103709.

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The mechanical and tribological properties of pure MoS2, pure Au, Au-MoS2 and Ti-MoS2 coatings were evaluated and examined at a microscopic scale. The metal doped MoS2 coatings had varying metal content, 5-10at% for Ti and 10-90% for Au. Reciprocating sliding wear tests were performed with a range of initial Hertzian contact pressures from 0.41 to 3.5 GPa and in air at two humidity levels (i.e. "low" being 3-5%RH and "high" being 30-40%RH). Titanium and gold were chosen for this study as metal additives due to their positive influence on the mechanical properties of the coating. The friction a

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Wilkinson, Angus J. "Micro-mechanics of continuous fibre metal matrix composites." Thesis, University of Bristol, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393899.

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Long, Siyuan. "Cast fibrous MMCs : transfer phenomena and micro-structure formation." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362437.

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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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Mokhtari, Morgane. "FeCr composites : from metal/metal to metal/polymer via micro/nano metallic foam, exploitation of liquid metal dealloying process." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI088/document.

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Les métaux micro ou nanoporeux sont très attrayants notamment pour leur grande surface spécifique. Le désalliage dans un bain de métal liquide permet une dissolution sélective d'une espèce chimique (l'élément soluble) à partir d'un alliage d'origine (le précurseur) composé de l'élément soluble et d'un élément cible (qui deviendra nano/micro poreux) non soluble dans le bain de métal liquide. Quand le précurseur est plongé dans le bain de métal liquide, à son contact, l'élément soluble va se dissoudre dans le bain tandis que l'élément cible va en parallèle se réorganiser spontanément afin de for

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Ma, Wei. "Low temperature metal-based micro fabrication and packaging technology /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?MECH%202005%20MA.

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Rohanifar, Ahmad. "Conductive Polymers for Electrochemical Analysis and Extraction." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1544809010837595.

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Ghisi, Mirela. "Determinação de Cu e Fe em Biodiesel por Espectrometria de Absorção Atômica com Atomização Eletrotérmica e Estudo do Efeito Catalítico destes Metais sobre a Estabilidade Oxidativa do Biodiesel." Universidade Federal do Maranhão, 2011. http://tedebc.ufma.br:8080/jspui/handle/tede/918.

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Made available in DSpace on 2016-08-19T12:56:36Z (GMT). No. of bitstreams: 1 MIRELA GHISI.pdf: 1324849 bytes, checksum: 5d9ca5c5a49c366f3bf4959e2e942a14 (MD5) Previous issue date: 2011-05-16<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The metals content in biodiesel is directly related with the raw material used and also with the utilized biodiesel production method. In this work, an evaluation of the main metals present in biodiesel samples from different sources was done. The qualitative analysis of the metal content was assessed using the Inductively Coupled Plas

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Li, Xue. ""Cage" Nano and Micro-particles for Biomedical Applications." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS316/document.

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Les systèmes à délivrance de médicaments sont des technologies conçues pour administrer des molécules actives de façon optimisée afin d’améliorer leurs effets thérapeutiques tout en minimisant les effets secondaires. En effet, ces systèmes permettent une libération au niveau d’une cible thérapeutique. Les particules de type «cage» ont récemment attiré une attention particulière en raison de leur capacité accrue à (co)incorporer et à protéger des molécules actives vis-à-vis de dégradations in vivo. Les cyclodextrines (CDs) sont des exemples type de molécules "cage", possédant une cavité hydroph

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GRESSEL, MICHAEL GERARD. "COMPARISON OF MIST GENERATION OF FLOOD AND MIST APPLICATION OF METAL WORKING FLUIDS DURING METAL CUTTING." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin990120958.

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Baird, John Malcolm Edward. "A micro processor based A.C. drive with a Mosfet inverter." Thesis, Cape Technikon, 1991. http://hdl.handle.net/20.500.11838/1119.

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Thesis (Masters Diploma (Electrical Engineering)--Cape Technikon, Cape Town,1991<br>A detailed study into the development of a three phase motor drive, inverter and microprocessor controller using a scalar control method. No mathematical modelling of the system was done as the drive was built around available technology. The inverter circuit is of a Vo~tage source inverter configuration whicp uses MOSFETs switching at a base frequency of between 1.2 KHz and 2 KHz. Provision has been made for speed control and dynamic braking for special applications, since the drive is not going to be

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Solzbacher, Florian. "A new SiC/HfB2 based micro hotplane for metal oxide gassensors." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=974856886.

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Mohid, Baharozan. "Friction conditioning in metal forming using engineered surface micro-geometries (ESMGs)." Thesis, University of Strathclyde, 2011. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=14330.

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Rae, Bruce R. "Micro-systems for time-resolved fluorescence analysis using CMOS single-photon avalanche diodes and micro-LEDs." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4219.

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Fluorescence based analysis is a fundamental research technique used in the life sciences. However, conventional fluorescence intensity measurements are prone to misinterpretation due to illumination and fluorophore concentration non-uniformities. Thus, there is a growing interest in time-resolved fluorescence detection, whereby the characteristic fluorescence decay time-constant (or lifetime) in response to an impulse excitation source is measured. The sensitivity of a sample’s lifetime properties to the micro-environment provides an extremely powerful analysis tool. However, current fluoresc

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Gammoudi, Ibtissem. "Biocapteur à base de bactéries pour le contrôle environnemental." Electronic Thesis or Diss., Bordeaux 1, 2012. http://www.theses.fr/2012BOR14535.

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Notre projet vise la conception d’un biocapteur ultra-sensible à base de bactéries pour la détection de métaux lourds (contrôle environnemental). Ces travaux concernent le développement de systèmes impédimétriques et à ondes acoustiques de Love, associés à une puce microfluidique et fonctionnalisés par des bactéries Escherichia coli immobilisées sur une multicouche de polyélectrolytes déposés par la méthode « Layer by Layer » . L’ étude fondamentale des interactions physiques-chimiques-biologiques mises en jeu lors des étapes de fonctionnalisation du capteur, et de son application à la détecti

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Mellul, Sylvie. "Contribution a l'etude de l'interface cu-al : :(2)o::(3) par microscopie electronique en transmission et micro analyse x." Paris 6, 1988. http://www.theses.fr/1988PA066415.

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Khan, Shamsul Arefin. "Deep sub-micron MOS transistor design and manufacturing sensitivity analysis /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Lively, Jason M. "In Situ Ion Exchange in a Micro-porous Transition Metal Silicate Framework." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1730.

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Ion selectivity of minerals has traditionally been utilized in industry as a catalyst, metal separation, and environmental reclamation/sequestration tool. There is an increased interest in understanding ion selectivity mechanisms of micro-porous minerals and mineral-like structures and how they can be applied in various industries: environmental and, potentially, pharmaceutical. This study seeks to understand the ion exchange mechanisms in micro-porous zirconosilicates using time-resolved Raman spectroscopy and X-ray diffraction. The thesis material was exchanged with H+, Na+, K+, and Cs+ in o

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Guidash, R. Michael. "Development of a modular 2-micron BiCMOS process from an existing 2-micron n-well CMOS process /." Online version of thesis, 1991. http://hdl.handle.net/1850/11234.

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