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.
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Showing 1 to 20 of 54 for “"Materials Development"”.
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Materials development for multicomponent systems with variable oxidation states
… by the polymeric steric entrapment method of materials that belong to the M1MnOx and M1Ti2(PO3)4 (M1= Li, Na, K,) families was evaluated. Furthermore, the influence on the physico-chemical characteristics of the powders by processing variables such as the dissolution conditions, pH of the …
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Catalysts and materials development for fuel cell power generation
… be addressed. One potential solution is the development of Si-supported ultrathin electrolyte structures (~100 nm-thick) of low thermal mass. Due to the low maximum fabrication temperature (< 600°C), electrodes cannot be applied by traditional ceramic processing techniques. Alternative …
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Novel thermoelectric materials development, existing and potential applications, and commercialization routes
… recently, ZT1 was the best performance these materials could achieve. However, the field of thermoelectrics advanced rapidly in the five last years, leading to the first significant breakthroughs in this area in the past fifty years, with materials with ZT up to 3 being reported. It is …
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Engineering efficient desalination systems: Materials development and systems analysis in capacitive deionization
… that the incorporation of pseudocapacitive materials into CDI systems can greatly increase desired characteristics for desalination of brackish water. To assess performance across the CDI design space, a one-dimensional porous electrode (M/F)CDI model, was used to measure the sensitivity of …
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Calculating thermochemical equilibrium for multiphysics simulations of nuclear materials : development of yellowjacket gibbs energy minimiser
Nuclear fuels and structural materials are highly complex systems that are remarkably challenging to understand and model. Material behaviours are influenced by multiple physical phenomena such as mechanics, chemistry, heat and mass transport, etc. Moreover, lower scale phenomena inform and drive …
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Materials Development for the Fabrication of Metal-Supported Solid Oxide Fuel Cells by Co-sintering
… with it. This work is basically on the development of materials and optimization of the multilayer design for the production of MS-SOFC by cost-effective co-sintering approach. YSZ (Y2O3 stabilized ZrO2), Ni-YSZ cermet, and ferritic stainless steel are considered for the electrolyte, …
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ADVANCED MATERIALS DEVELOPMENT AND MANUFACTURING - DEVELOPMENT OF THERMALLY STABLE THIN FILMS WITH HIGH STRESS TUNABILITY
… scaling up of 3D NAND cells as part of NAND development strategy/roadmap, wafer bow management is becoming increasingly critical for integration requirement, manufacturing feasibility and backend packaging specification. The development of thermally stable, high stress film can be used to …
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CO2-Assisted Ethylene Production and Subsequent Purification: A Materials Development, Kinetic Assessment, and Process Performance Investigation
… process. In particular, several dual-function materials (DFMs) were developed, formulated into 3D-structure, and investigated for ODHE reaction to ethylene under various process conditions using CO<sub>2</sub> as a mild oxidant. The DFMs materials were consisted of CaO and metal oxides (e.g., …
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Teachers and Coursebook Use: The Role of the Coursebook and Its Implications for Materials Development and Teacher Training
… a Foreign Language (EFL) coursebooks and their development, empirical research that investigates how materials are used in actual classroom environments still remains quite under-researched. This thesis duly focuses on three qualitative case studies of three experienced and qualified English …
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Investigating the opportunities and challenges for professional growth created through a process of developing learning support materials
… Agency (JICA) funded programme of professional development, the Mpumalanga Secondary Science Initiative or MSSI. The basis for the professional development is the formation of clusters of schools, organised by the curriculum implementers (CIs) in the province and lead by cluster leaders (CLs). …
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Fabrication and assembly of micron-scale ceramic components
… and assembling micron-scale discrete components. Development of reliable non-contact assembly methods requires thorough understanding of electro-mechanics, surface adhesion, and gravitational forces acting on micron- scale objects. The impact of such a study will spread beyond microelectronics, …
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Complaint Talk in Korean Conversation
… in this study provides practitioners and materials developers in Korean language education with valid descriptions of how the action of complaining is done in naturally-occurring talk, and hence with legitimate bases for their teaching and materials development.
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Development of Bismaleimide/Cyanate Ester Based Aerospace Polymers for Possible Use in NASA's Relaunchable Vehicles Program
Since the beginning of the space age, the goal of materials development in the aerospace industry has been to replace metal alloys with much lighter polymer resins, while maintaining the strength over a wide temperature range characteristic of metals. Polymers such as polyimides and epoxies have …
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Spanish Immersion Materials and the Secondary Classroom Ecology
This thesis examines the roles of materials in the classroom ecology of one seventh-grade social studies Spanish immersion class. Research has shown that dual language and immersion (DLI) teachers often feel challenged to find and use appropriate materials effectively; however, no previous studies …
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SOFT ADAPTIVE NANOCOMPOSITES BASED ONMETALLIC CLUSTER ASSEMBLED NETWORKS FORUNCONVENTIONAL DATA PROCESSING
… soft autonomous systems is pushing toward the development of electronic devices capable of performing local data processing while being directly integrable into soft and deformable platforms. In this framework, unconventional computing approaches toghether with materials development provide a …
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Music Speaks, We Listen: A Teacher's Guide for Using Music in the Adult ELL Classroom
… in adult ESL. Finally, practical aspects of materials development are presented for music-centered classroom activities with specific songs as examples to teach vocabulary, speaking, listening, grammar and pronunciation.</p>
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Exploiting plasmons to sense interfacial changes at the nanoscale
… at interfaces and potential avenues for materials development. As a class of materials, plasmonic nanomaterials are a promising approach for probing chemistry at interfaces. When excited with an incident electric field like light, plasmonic nanomaterials exhibit localized surface plasmon …
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Application of microstructural texture parameters to diffusional and displacive transformation products
The measurement of materials properties and the control of processing parameters is important for both materials development and quality control. Determination of these parameters is sometimes advantageous if done by means of microstructural characterisation as here additional information may be …
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Multiscale chemistry and design principles of stable cathode materials for Na-ion and Li-ion batteries
… will require innovation on the forefront of materials development as well as fundamental understanding on the physical and chemical processes from atomic to device length scales. Herein, we focus on advancing energy storage devices such as alkali-ion batteries through cathode materials …
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