Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 217 for “"new material"”.
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Towards new material discovery from CdTe solar cell literature with machine learning
… devices by automatically discovering new material applications. The NLP technologies use various language models to extract most similar words. Consequently, a knowledge diagram is established by connecting these relevant similar words. The Language models include word2vec, GloVe, …
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Process and Material Modifications to Enable New Material for Material Extrusion Additive Manufacturing
The overall goal of this work is to expand the materials library for the fused filament fabrication (FFF) material extrusion additive manufacturing (AM) process through innovations in the FFF process, post-process, and polymer composition. This research was conducted at two opposing ends of the …
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Enabling New Material and Process Capabilities for Ultraviolet-Assisted Direct Ink Write Additive Manufacturing via Exploration of Material Rheology and Reactivity
… Direct Ink Write (UV-DIW) is a material extrusion additive manufacturing (AM) technology in which a viscous ink, often at room temperature, is selectively extruded through a translating nozzle to selectively deposit material. The extruded ink is solidified via UV irradiation …
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Building integrated cell-based microsystems : fabrication methodologies, metrology tools and impact on cellular physiology
This thesis presents the development of new tools for the realization and characterization of complex, integrated biological microsystems. These tools involve - (1) the implementation and characterization of a new material system for biological microsystems, and its application to the design of a …
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Next generation optical receivers : integration and new materials platform
Future growth of optical communication into new application and market space is highly dependent on the ability of optical receivers to increase functionality while reducing price and physical size. Current hybrid receiver technology is inadequate in meeting the cost and performance demands of …
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Stock-constrained optimization of partially disassembled trusses
… impact. Structural reuse significantly reduces new material use, carbon emissions, and construction waste. This thesis shows a novel way of reusing structural components through partial disassembly of trusses into triangular components. A computational approach for quickly designing trusses with …
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Ferromagnetic manganites: spin-polarized conduction and competing interactions
… understanding when starting the application of a new material. However, lasting success and discovery of principally new approaches is based on it ...
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Concept design for a folding bicycle helmet
… and design development effort has created a new concept design that provides commuters with a safe, portable, attractive, and easy-to-use bike helmet. The target user group is people aged 16-24 who cycle to work or school. The goal is to stimulate new market demand for a properly fitted …
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Architectural Amalgam
… the possibility of contrast of old buildings and new parts to unfold and highlight what exists in a distinctive way, to make the memories more clear. This thesis uses the notion of amalgam as an example, where new material, natural light, and special spaces form a contrast, to evoke our memories.
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Foamed concrete for improved local trench reinstatements
The choice of materials to go into the construction industry depends upon several factors, functional, economic, physical, chemical, mechanical, constructional and often aesthetic. All have to be considered together, for the omission of any of them can lead easily and unwittingly to unsound …
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Development of an advanced materials system for tooling produced by three-dimensional printing
… is a manufacturing technique in which a powdered material is used to build parts with complicated geometries directly from a three dimensional computer model. This technique has been used in the past to manufacture metal parts with complicated geometries. The three different materials used in the …
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A Novel Material Modulus Function for Modeling Viscoelastic Materials
… for decades. The integration of viscoelastic materials into engineering structures can reduce undesired vibrations and serve as an effective passive control mechanism. Various techniques have been developed to model viscoelastic materials. The growing popularity of finite element analysis in …
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Perylene Diimide Molecular Glass: Investigations of Charge Transport
A new glass-forming organic semiconductor material was synthesized using a known electron transport material, perylene diimide, and attaching it to a molecular glass in order to allow the material to be solution processed. Devices were made using a simple metal-semiconductor-metal structure and …
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Generative dramaturgy : a strategy for refocusing directorial intent in the translation phase of play development
… in the ensemble towards generating new material inspired by the play text in the staging of the play. The strategy employed to achieve this efect is referred to as a generative dramaturgy. The aim is to foster co-ownership in the actors of teh ensemble by developing their natural and …
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Performance and mechanism on a high durable silica alumina based cementitious material composed of coal refuse and coal combustion byproducts
… dissertation is to investigate and develop a new silica-alumina based cementitious material largely using coal refuse as a constituent that will be ideal for durable construction, mine backfill, mine sealing and waste disposal stabilization applications. This new material is an …
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Sacred Screens: Hinduism, Buddhism, Shintoism and Islam in Popular Culture
… religious concepts when seeking inspiration for new material. Developers in the West have traditionally relied heavily on Christian themes to supply new ideas. Now, more artists have begun to look towards Hinduism, Buddhism, Islam, and Shinto religions for inspiration when conceiving many of the …
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Collagen and hyaluronic acid interpenetrating polymer networks for tissue engineering
… combining the properties of several polymeric materials into a single network. In this thesis, collagen and methacrylated hyaluronic acid are combined in IPNs to produce a range of new biocompatible. The fabrication method allows for control of compressive strength of the IPN hydrogels. The …
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Evaluating Technical Adequacy Features of Sentence Verification Technique as a General Outcome Measure of Content Knowledge
… mechanics of reading, they are expected to learn new material by reading. This new material, however, becomes increasingly more complex as students enter upper elementary and especially middle and high school. If students fail to comprehend what they read, they risk failure in content courses such …
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Experimental characterization and computational modeling of N-doped Carbon Dots for future optoelectronic applications
… of semiconductor elements or rare-earth-based materials. A promising green and low-cost alternative is currently represented by carbon-based nanoparticles known as Carbon Dots that generally display low toxicity and excellent biocompatibility. Their most important feature is their efficient …
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A Holistic Approach to Mass Timber Design
As a new material, there is a significant lack of knowledge of the performance of mass timber, especially in fire. This research investigated the current understanding of modern mass timber, the performance of heritage mass timber, and the state of diversity of the industry itself. Findings include …
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