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Dissertations / Theses on the topic 'Industrial materials'

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1

Erigoni, Andrea. "Organic-Inorganic Hybrid Catalysts for Chemical Processes of Industrial Interest." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/165238.

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[ES] El trabajo de investigación descrito en la presente Tesis Doctoral ha sido desarrollado en el marco del proyecto europeo MULTI2HYCAT (grant agreement N. 720783) y se ha centrado en la síntesis y caracterización de materiales mono- y multi-funcionales que presentan sitios catalíticos ácidos, básicos o redox. Diferentes líneas de investigación han sido desarrolladas en paralelo para obtener distintos materiales híbridos que serán empleados en diferentes procesos catalíticos, en línea con las necesidades de los socios industriales del proyecto. Debido a la naturaleza colaborativa del proyec
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Hunt-Lowery, Alisa. "STATISTICAL ANALYSIS OF NOVEL DIELECTRIC MATERIALS FOR MICROELECTRONICS." NCSU, 2004. http://www.lib.ncsu.edu/theses/available/etd-09212004-100243/.

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This research analyzes the re-oxidation annealing process of Barium titanate thin films on copper foils made by Chemical Solution Deposition. During this anneal, the temperature and oxygen pressure settings must be optimized to ensure the elimination of oxygen vacancies without oxidizing the copper foil substrate. This research utilizes Design of Experiments (DOE) to study the impact of re-oxidation furnace temperature and pressure on the dielectric loss tangent response. Two designs of experiments were run. The first experiment, a 32 DOE, examined a large range of temperature and pressure lev
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3

Kapoor, Abhishek Surinder. "Microwave Sintering of Solid Oxide Fuel Cell Materials." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-05092008-144010/.

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The influence of sintering temperature and hold time on the microstructure of of a microwave sintered LSM-YSZ (lanthanum strontium manganate - yttria stabilized zirconia) cathode has been studied. For experimental purposes, a microwave furnace was designed and fabricated with a closed loop temperature feedback control system. A type R thermocouple was used to provide accurate temperature readings inside the microwave cavity. An Allen Bradley Micrologix PLC was used to control the system. This furnace was used as a test bed for experiments involving the rapid sintering of solid oxide fuel cell
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4

Dagbro, Ola. "Studies on Industrial-Scale Thermal Modification of Wood." Doctoral thesis, Luleå tekniska universitet, Träteknologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26624.

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Wood as a raw material is useful for many purposes even though some properties are less than optimal, for example, dimensional stability and durability. These characteristics can however be improved by different treatment methods. Environmental awareness has led to an increased demand for environmentally friendly processes like thermal modification that does not add any chemicals to the wood in contrast to, for example, CCA-impregnated wood.This thesis mainly focuses on thermally modified wood from species such as pine, spruce and birch. The thesis present studies of physical attributes such a
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5

Gahan, Chandra Sekhar. "Comparative study on different industrial oxidic by-products as neutralising agent in bioleaching." Licentiate thesis, Luleå : Luleå University of Technology, 2008. http://epubl.ltu.se/1402-1757/2008/19/.

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6

Barrera, Martinez Cindy Sofia. "Novel Renewable Materials from Natural Rubber and Agro-Industrial Residues." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480540955796333.

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7

Painter, Timothy Trevor. "Polymer and Concrete Composites in Industrial and Infrastructure Applications." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/102028.

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Composite materials have a wide range of applications in civil and structural engineering due to their advantages in mechanical properties and higher strengths over the base materials alone. Polymer-concrete composites are particularly attractive for use in industrial and infrastructure applications from combining the higher mechanical properties of the concrete in tension and the high tensile strength and ductile properties of the polymeric materials. However, these materials tend to be more expensive that typical concrete composites. This thesis explores the mechanical properties of two diff
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8

Li, Yunguo. "Ab initio based modeling of defects and disorder in industrial materials." Doctoral thesis, KTH, Materialteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170617.

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The study of defects and disorder in condensed matter remains a central subject of materials science. Newly emerging experimental and theoretical techniques promote our understanding in this field, and reveal many interesting phenomena in which the atomic picture plays a crucial role. In this thesis we present a study on the fundamental and applied aspects of defects and disorder in industrial materials. We consider the basic aspects of defective and disordered crystals, and discuss the structural, electronic, thermodynamic and mechanical properties of such materials. In particular, we have sy
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9

Deakin, Rose. "Facilitating sustainable material selection in the industrial design of mass-manufactured products." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/14857.

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Sustainable materials are prevalent within design, but industrial design lacks mass-manufactured product examples. This research explores this gap in knowledge to understand the influences affecting the selection of sustainable materials and how UK industrial designers could be better supported. A comprehensive literature review explores the selection of sustainable materials within the context of industrial design. Existing tools and resources designed to support industrial designers are analysed to understand the support provision and requirements. The research approach explores individual a
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10

Mahale, Tushar Ramkrishna. "Electron Beam Melting of Advanced Materials and Structures, mass customization, mass personalization." NCSU, 2009. http://www.lib.ncsu.edu/theses/available/etd-11052009-143257/unrestricted/etd.pdf.

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11

Uvegi, Hugo Jake. "Aqueous reactivity of glassy industrial byproducts in alternative cementitious systems." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129037.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2020<br>Cataloged from student-submitted PDF of thesis.<br>Includes bibliographical references (pages 177-203).<br>Alkali-activated, geopolymeric, and other novel binders offer an opportunity to curb the carbon footprint associated with ordinary Portland cement (OPC). CO₂ emissions inherent to source-material processing (i.e., firing of limestone at 1450 °C) and annual OPC production volumes of 4.1 billion metric tons cause an estimated 5-11% of global annual greenhouse gas (GHG) emissions.
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Bahamón, García Daniel. "New generation adsorbents for gas separation: from modeling to industrial application." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/325690.

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Teniendo en cuenta el rápido aumento de la población y el crecimiento en el consumo de energía como consecuencia de grandes progresos en transporte y tecnología, el desarrollo sostenible es de especial relevancia pues sugiere la búsqueda de formas de mitigar las emisiones de gases de efecto invernadero, incluyendo la captura y almacenamiento de carbono (o utilización), la eficiencia energética, fuentes alternativas de energía y ahorro de energía, como ya se ha sugerido por el protocolo de Kioto y los informes del IPCC. De ahí que en los últimos años se haya dedicado un esfuerzo considerable a
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Al-Zarrad, Mohammad Ammar. "Materials price risk mitigation in construction projects." Thesis, The University of Alabama, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1566147.

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<p> Construction materials cost estimation is considered one of the most important tasks in the development of project budget. Using material hedging to mitigate the risk of material price volatility is a new concept for construction companies.</p><p> This thesis matched material hedging with the fuel hedging application utilized by airlines. The weather hedging process was used as a precedent for material hedging application in the construction industry. This thesis developed a model to provide a step by step guidance to apply material hedging in the construction industry. Further, this the
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14

Moyo, Cyprian Bertrand. "Development of Palladium selective reagents and materials." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/12231.

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The adsorption and separation of Pd(II) from Pt(IV), Ir(IV) and Rh(III) by silica microparticles functionalized with triethylenetetramine (TETA), 2-(2-aminoethylthio)ethanamine (NSN) and 2-(2-(2-aminoethyl)ethylthio)ethanamine (NSSN) in 1 M hydrochloric acid medium was investigated by continuous column studies. The functionalized sorbent materials were characterized by microanalysis, SEM-EDS and FT-IR. Palladium selectivity of the sorbent materials was achieved by stripping of rhodium, iridium and platinum chlorido species with 0.5 M of NaClO4 in 1 M HCl while [PdCl4]2 was eluted with 3% w/v t
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Haugsdal, Joshua Louis. "A Survey for Industrial Uses of Distiller's Dried Grains with Solubles (DDGS)." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26694.

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The increase in demand for corn ethanol has caused an increase in distiller?s dried grains with solubles (DDGS), which is a byproduct of ethanol production. DDGS is a cheap byproduct and is primarily used for livestock feed filler. DDGS contains oils and proteins from corn and in this research we showed that corn oil and proteins could be extracted with ethanol. Zein protein is the main protein in DDGS and has been shown to have good adhesive properties. This protein was used as a binder in biocomposites with the DDGS after extractions and soy protein isolate (SPI). Mechanical properties and w
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16

Gao, Deyu. "Superabsorbent polymer composite (SAPC) materials and their industrial and high-tech applications." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek &quot;Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:swb:105-1484776.

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Quellfähige Verbundwerkstoffe aus Ton und Polyakrylamid können große Quantitäten von Wasser absorbieren, behalten aber dabei eine hohe mechanische Festigkeit und gute Dämpfungseigenschaften und stellen daher eine neue Klasse von Hydrogelen mit potentiell interessanten technologischen Eigenschaften dar. Solche superabsorbierende Verbundwerkstoffe (SAPC) werden durch Polymerisation mit einem Elektronenstrahl oder Bestrahlung mit UV-Licht hergestellt. Die Untersuchung der Eigenschaften von SAPC mit Hilfe von XRD, SEM, DSC, TGA, FTIR und NMR (27Al, 29Si und C) zeigen, dass in der SAPC-Struktur das
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Gao, Deyu. "Superabsorbent polymer composite (SAPC) materials and their industrial and high tech applications." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=967158087.

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18

Kisanga, Aida Uforo. "Industrial production of building materials in developing countries : the case of Tanzania." Thesis, University College London (University of London), 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307162.

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19

Ennami, Mohamed Mahmud. "Applications of gamma ray tomography to non-destructive testing of industrial materials." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47425.

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20

Karami, S. "Using by-product industrial materials to replace all cement in construction products." Thesis, Coventry University, 2008. http://curve.coventry.ac.uk/open/items/4c639f05-0ace-21ff-0618-3f3c423f756c/1.

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At present, cementitious binders are used extensively in the construction industry and principally in concretes. They are also used in some applications like ground improvement. In these applications the cost of the binder, typically Portland cement, accounts for a considerable proportion of the total cost of the technique. In addition to the financial cost there is also the environmental impact of quarrying and processing of raw materials to produce Portland cements. Gypsum waste, by-pass dust and fly ash by-products have been identified as the alternative sources of cementitious binder. Usin
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Lai, Pooi-fun. "TEM and structural investigations of synthesized and modified carbon materials /." Connect to thesis, 1999. http://eprints.unimelb.edu.au/archive/00000770.

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22

Raciti, Stefano. "A twenty DOF element for nonlinear analysis of unsymmetrically laminated beams." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/44062.

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The purpose of this study was to develop a simple one- dimensional finite element for the nonlinear analysis of symmetrically and unsymmetrically laminated composite beams including shear deformation. There is a need for a simple and efficient method for analyzing unsymmetrically laminated beams since no other study on this topic is currently available. The beam element has ten degrees of p freedom at each of the two nodes: the axial displacement, the transverse deflection due to bending and shear, the twisting angle, the inplane shear rotation, and their derivatives along the axial direction.
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23

Bian, Qiumei. "Femtosecond laser micromachining of advanced materials." Diss., Kansas State University, 2012. http://hdl.handle.net/2097/15140.

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Doctor of Philosophy<br>Department of Industrial and Manufacturing Systems Engineering<br>Shuting Lei<br>Shuting Lei<br>Femtosecond (fs) laser ablation possesses unique characteristics for micromachining, notably non-thermal interaction with materials, high peak intensity, precision and flexibility. In this dissertation, the potential of fs laser ablation for machining polyurea aerogel and scribing thin film solar cell interconnection grooves is studied. In a preliminary background discussion, some key literature regarding the basic physics and mechanisms that govern ultrafast laser pulse inte
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Akin, Tugce. "Communication Of Smart Materials: Bridging The Gap Between Material Innovation And Product Design." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610999/index.pdf.

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This thesis is intended to help eliminate misconceptions and missing information over the realm of smart materials, by offering a newly structured &lsquo<br>Information Hierarchy for Smart Materials Communication for Industrial / Product Design&rsquo<br>. Industrial and product designers are invited to use the findings of the thesis to assist in developing a common smart materials language and culture, enriched by details, technicalities, opportunities, and creative and innovative material attributes. The study commences with the creation of a concise and compact reservoir of technical knowled
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Abreu, Ana Cláudia de. "Design de superfícies : a costura industrial como recurso criativo em produtos do vestuário /." Bauru, 2020. http://hdl.handle.net/11449/192755.

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Orientador: Marizilda dos Santos Menezes<br>Resumo: Na produção de produtos de vestuário, a costura industrial é empregada nas superfícies têxteis como elemento de materialização, ou seja, a união de duas ou mais camadas de tecidos por meio de pontos de costura que resultam em um produto tridimensional. Neste âmbito, a pesquisa buscou explorar seu aspecto criativo em superfícies de vestuário, ancorados nos fundamentos e procedimentos do Design de Superfícies, para gerar superfícies inovadoras com aspectos representacionais, projetuais e relacionais. Para tanto, foram elaboradas etapas, as quai
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Morenko, Yana. "Continuous and discrete optimization techniques for some problems in industrial engineering and materials design." Diss., University of Iowa, 2015. https://ir.uiowa.edu/etd/1991.

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This work comprises several projects that involve optimization of physical systems. By a physical system we understand an object or a process that is governed by physical, mechanical, chemical, biological, etc., laws. Such objects and the related optimization problems are relatively rarely considered in operations research literature, where the traditional subjects of optimization methods are represented by schedules, assignments and allocations, sequences, and queues. The corresponding operations r
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Santamaría, Hernández Esther. "Estudio de la preparación, viabilidad industrial y aplicación de los materiales porosos de sílica." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/132206.

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Desde que en la década de los 90 se sintetizó el primer material mesoporoso ordenado se han estudiado diferentes rutas de síntesis con el objetivo de poder obtener materiales con los tamaños de poro y estructuras deseadas. En esta tesis se estudia la influencia de las variables de preparación y de composición sobre las propiedades de los materiales obtenidos a partir de cuatro tensioactivos diferentes. Las diferentes rutas de síntesis son estudiadas para evaluar las dificultades de implantación de estos procesos a nivel industrial. Se estudia la posibilidad de recuperar y reutilizar el tensioa
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Römhild, Stefanie. "Influence of liquid diffusion on the performance of polymer materials in industrial applications." Licentiate thesis, KTH, Fibre and Polymer Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4433.

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<p>Diffusion of liquids into and through polymers is an important factor that negatively may influence the durability or lifetime of a polymer structure used in industrial applications. In this work two types of polymers, a liquid crystalline polymer (LCP, Vectra A950) and various thermoset resins as used in fibre reinforced plastics (FRP) process equipment were studied with regard to barrier properties, chemical resistance and long-term performance. LCP are known for their outstanding chemical resistance and barrier properties. FRP used in process equipment may be a cost-efficient solution in
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Römhild, Stefanie. "Influence of liquid diffusion on the performance of polymer materials in industrial applications /." Stockholm : Institutionen för fiber- och polymerteknologi, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4433.

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Dobryden, Illia. "Surface characterization and force measurements applied to industrial materials with atomic force microscopy." Licentiate thesis, Luleå tekniska universitet, Materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17820.

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The thesis focuses on the application of force measurements with atomic force microscopy (AFM) on materials with a few surface contacts/asperities and chemically modified surfaces. The technique allows measurements of ultra-small intermolecular and surface forces, down to the piconewton level. The force measurements between surfaces of well-defined geometry are often used to measure and model the interaction between different systems of charged and neutral surfaces in various environments. However, detailed knowledge of the contacting surface profile geometry and surface properties is required
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Windle, Richard Michael. "The prediction of industrial noise and its transmission through metal cladding systems." Thesis, University of Salford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308378.

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Brimecombe, Rory Dennis. "Nanomaterial modified electrodes : optimization of voltammetric sensors for pharmaceutical and industrial application." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1009721.

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Nanomaterials, in particular carbon nanotubes have been shown to exhibit favourable properties for the enhancement of electrochemical detection of target analytes in complex matrices. There is however scope for improvement in terms of the optimization thereof in electrochemical sensors surface modification. The aim of this thesis was to examine methods that would result in increased current response, lowered passivation and application of such modified surfaces with application to pharmaceutically and industrially relevant analytes. Current methods for enhancing the performance of carbon nanot
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Brynning, Nicklas, and Joakim Kihlström. "Development of materials supply system requirements." Thesis, Jönköping University, JTH, Industrial Engineering and Management, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-12487.

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<p>In industry today, the need for excellent product development and realization in many different aspects is increasing. This calls for excellent quality, while at the same time time-to-market is increasingly important. A concurrent engineering (CE) approach is directed towards simultaneously developing different aspects of product realization in order to enhance both quality and speed. This thesis deals with the internal materials supply system (MSS) from a CE approach. Logistics aspects are often not dealt with until later stages of development, which leads to limitations in the possible so
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Yin, Zeming. "A Numerical and Practical Investigation for the Edge Fracture of Advanced High Strength Steels (AHSS) Using the Half Dome Test." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1460739619.

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Vargas, Isabella Marini. "Reciclagem de vidro laminado: utilização na fabricação de isolantes e vernizes com alta resistência à abrasão para pisos de madeira." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3133/tde-06072007-143145/.

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Neste trabalho apresenta-se uma alternativa para utilização de vidros laminados provenientes de rejeitos industriais ou pós-consumo. Reciclando o vidro laminado, por meio de uma série de moagens, pode-se obter dois tipos de rejeitos: vidros de partículas pequenas (200 e 325 mesh), que não conseguem ser reaproveitados pela indústria vidreira, e filme de poli(vinil butiral) - PVB - impregnado com uma pequena quantidade de carga, que tem como destino os aterros. No presente estudo, esses dois resíduos foram aproveitados na fabricação de vernizes curados por radiação ultravioleta empregados para p
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Law, Lok-to Ken. "The innovative use of recycle materials in a re-vitalization project for the industrial landscape /." View the Table of Contents & Abstract, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42927419.

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Thesis (M. L. A.)--University of Hong Kong, 2009.<br>Includes special report study entitled: The investigation of applying recycle material in landscape architecture. Includes bibliographical references.
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Gunduz, Erol Mehmet. "Playing With Clay| Knowledge Making Across Physical and Digital Materials." Thesis, Teachers College, Columbia University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10287813.

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<p> Digital clay is a virtual material that exists currently in many 3D design software applications. Coupled with the rapid development of 3D printing technology, clay forms designed with a computer can now be externalized into the physical world as 3D prints or, vice versa, as digital scans. Recently, advanced tools have become available to artists and designers as affordable systems marketed to the professional consumer. As a response to these developments, my research examines the learning that occurs for eight artists who have been asked to play with physical and digital clay. This resear
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Lamvik, Trond. "Improving Environmental Performance of Industrial Products through Product Service Systems." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2001. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-75.

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<p>This dissertation deals with the unintended sideeffects of utilizing resources and causing environmental load.</p><p>The intention of this report is to contribute to a leap improvement in enviornmental performance of industrial products. The results of the dissertation are directed towards companies that want to eliminate, or at best reduce the unintended side effects of their activities and industrial products.</p><p>The results are directed to the research community as a contribution to research on the effect of a shift from product-based to function-based economic system, and the potenti
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Long, Jonathan. "A Safeguards Design Strategy for Domestic Nuclear Materials Processing Facilities." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1710.

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The outdated and oversized nuclear manufacturing complex within the United States requires its transformation into a smaller, safe, and secure enterprise. Health and safety risks, environmental concerns, and the end of the Cold War have all contributed to this necessity. The events of September 11, 2001, emphasized the protection requirements for nuclear materials within the U.S. as well as abroad. Current Nuclear Safeguards regulations contain minimal prescriptive requirements relating to the design of new production facilities. Project management and engineering design guides require that de
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Abelló, Cros Sònia. "Síntesi i caracterització de materials bàsics i la seva aplicació en reaccions d'interés industrial." Doctoral thesis, Universitat Rovira i Virgili, 2005. http://hdl.handle.net/10803/8531.

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La recerca de nous catalitzadors sòlids bàsics de tipus Brønsted ha estat en el punt de mira de nombrosos estudis recents, degut al seu gran potencial per a dur a terme reaccions de condensació ald-olica. Aquests materials sòlids eviten l'ús industrial de solucions aquoses de tipus KOH i NaOH, reduint significativament els problemes de generació de residus, corrosió o no reutilització dels catalitzadors. En els darrers anys, ha crescut l'interès en l'estudi dels hidròxids dobles laminars (layered double hydroxides, HDL) o compostos de tipus hidrotalcita, com a catalitzadors de nombroses reacci
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Pedgley, Owain F. "Industrial designers' attention to materials and manufacturing processes : analyses at macroscopic and microscopic levels." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/7155.

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Saadat-Sarmadi, Mozafar. "Investigation of the machining processes of flexible fibrous materials for applications in industrial automation." Thesis, Durham University, 1992. http://etheses.dur.ac.uk/1124/.

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Degli, Esposti Elisa <1983&gt. "The interaction of hydrocarbons with heterogeneous materials and catalysts: two examples of industrial interest." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3766/.

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Ribalta, Carrasco Carla. "Worker exposure to airborne particles in industrial settings: evaluation of exposure assessment and modelling tool." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/667260.

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Exposure to particulate matter in work environments has been linked to ischemic heart, cardiovascular and respiratory-related disease risk increase due to inhalation. Increased adverse health effects have been linked to nanoparticles (< 100 nm) due to their ability to reach the deepest sections of the respiratory tract and their longer retention time. Exposure monitoring is widely used method to assess worker exposure to airborne particles. However, other prediction tools have been explored such as the use of the dustiness index, mass-balance models, and health risk assessment tools. Discuss
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Dishongh, Terrance John 1964. "Disturbed state concept of materials and interfaces with applications in electronic packaging." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/290652.

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Although a number of idealized constitutive models have been proposed in the past, to include factors such as elastic, plastic and creep strains and microcracking and damage, no unified model has yet been developed to understand and model the behavior of materials and joints in semiconductor chip-subtrate systems and packaging. Such models are important to analyze and predict the response for design and reliability assessments of packaging problems. This dissertation presents formalization and use of the recently developed approach called the disturbed state concept (DSC) for the characterizat
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Sanderson, Terry. "Thermoelastic modeling of laser generated ultrasound for nondestructive materials testing." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/18978.

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Kumar, Mukund. "Laser assisted micro milling of hard materials." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41213.

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This thesis presents an investigation of novel laser assisted micromachining processes that addresses the limitations of micromachining of hard-to-machine materials. Two different laser assisted approaches are used to machine hard metals and high strength ceramics. For hard metals, the basic approach involves localized thermal softening of the workpiece material by focusing a solid-state continuous wave near infra-red laser beam in front of the micro milling tool (end mills of 0.1 to 0.5 mm diameter). By suitably controlling the laser power, spot size and scan speed, it is possible to produce
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48

Santos, Laércio Carlos Ribeiro dos [UNESP]. "O design como mediador da arte-educação nos materiais didáticos de museus." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/110867.

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Made available in DSpace on 2014-12-02T11:16:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-03-17Bitstream added on 2014-12-02T11:21:02Z : No. of bitstreams: 1 000796654.pdf: 7008787 bytes, checksum: 5b3d163b7937568e72f79efa26ff33f8 (MD5)<br>O ensino de artes insere-se na vida das pessoas em diversos lugares: escola, ateliês, museus etc. No caso dos museus, eles se valem frequentemente de materiais educativos criados para exposições especifícas ou para o próprio local. Esses materiais são voltados, sobretudo, para professores e estudantes que frequentam esses locais em atividades
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49

Santos, Laércio Carlos Ribeiro dos. "O design como mediador da arte-educação nos materiais didáticos de museus /." Bauru, 2014. http://hdl.handle.net/11449/110867.

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Orientador: Galdenoro Botura Junior<br>Banca: Luis Carlos Paschoarelli<br>Banca: Marilza Antunes de Lemos<br>Resumo: O ensino de artes insere-se na vida das pessoas em diversos lugares: escola, ateliês, museus etc. No caso dos museus, eles se valem frequentemente de materiais educativos criados para exposições especifícas ou para o próprio local. Esses materiais são voltados, sobretudo, para professores e estudantes que frequentam esses locais em atividades escolares. Assim, buscou-se neste trabalho, compreender de que modo o design artefatos relaciona-se com as diferentes metodologias de ensi
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50

Swanson, Tayler John. "Properties of Mixing SAC Solder Alloys with Bismuthcontaining Solder Alloys for a Low Reflow Temperature Process." Thesis, Rochester Institute of Technology, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13812766.

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<p> The subject of extensive research has been the establishing of lower temperature soldering of electronic assemblies that are similar to the once common yet still preferred eutectic Tin-Lead (SnPb) soldering manufacturing processes that are below 217 &deg;C. This research opportunity will contribute data on mixed solder alloy assemblies that can be formed at lower process temperatures. There are many environmental and economic benefits of avoiding the current reliability concerns of assembling electronics at the standard high temperatures which peak at 230 &deg;C 260 &deg;C. To reduce this
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