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 125 for “"Key Process"”.
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Making Parental Involvement a Key Process in Primary Education: An Action Research Project in a Junior, Primary School
… not simply a methodology of investigation but a process through which, I as a practitioner enquire into my own efforts to improve practice and assert my responsibilities and values. Findings from one study indicate that the degree and nature of parental involvement differ drastically between …
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Silicon carbide process development for microengine applications : residual stress control and microfabrication
… Si-SiC hybrid turbine structures, explores key process steps, identified, and resolved critical problems in each of the processes along with a thorough characterization of the microstructures, mechanical properties, and composition of CVD SiC. Three key process steps for the Si-SiC hybrid …
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A study of the flotation behaviour of Pt and Pd tellurides and arsenides
… at 21%. As is well know, flotation is a key process in the upgrading and recovery of such minerals from the mined ores. The flotation response of these minerals can therefore have a significant bearing on the economics of the ore processing. It has been previously hypothesised that PGE …
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Commercialization of low temperature copper thermocompression bonding for 3D integrated circuits
Wafer bonding is a key process and enabling technology for realization of three-dimensional integrated circuits (3DIC) with reduced interconnect delay and correspondingly increased circuit speed and decreased power dissipation, along with an improved form factor and portability. One of the most …
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¿Cómo evolucionan los indicadores de las áreas administrativas de las empresas por el uso de las metodologías de resolución de problemas?
… these positively affect the performance of KPI (Key Process Indicator) of organizations, clearly showing that those organizations that use these methodologies obtain better results over those who do not use them. With this work, what is sought is to question the myth, and put an end to the axiom …
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Investigating the effects of AC voltage signals on micro-channels machined with the Spark Assisted Chemical Engraving process
… method for microfabrication in glass. The process relies on multiple parameters for machining, but its stochastic nature often reduces the predictability of machining outcomes. While prior work has studied various individual parameters, the influence of voltage waveforms has been largely …
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Imaging and Measuring Cerebral Metabolism in the Healthy Brain and Changes Following Inflammation
Metabolism is a key process to the function and survival of all living organisms. The role of metabolism is key in many pathologies, and presents a prime opportunity to both understand and treat disease in new ways. In particular, lactate is a molecule which has been known and studied for many …
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Characterization and modeling of pattern dependencies and time evolution in plasma etching
… Ion Etching (DRIE) is presented. DRIE is a key process for pattern formation in semiconductor fabrication. Non-uniformities are caused due to microloading and aspect ratio dependencies. The etch rate varies over time and lateral etch consumes some of the etching species. This thesis …
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Mechanisms of generating T cell receptor diversity
… is generated by several mechanisms with the key process being gene rearrangement. Sequence analysis of TCR subunits has revealed a region that is variable in amino acid composition and is equivalent to the third complementary determining region (CDR3) found in immunoglobulins (Igs). This …
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Developing the Broad Process Excellence Program
… and implementing traditional manufacturing process improvement tools to customize and select tools that can be adapted to its needs. Its unique production environment necessitates the requirement to customize and select tools that can be adapted to its needs. The objective of the thesis is …
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Statistical Investigation of Friction Stir Processing Parameter Relationships
… is an emerging joining technology in which basic process understanding is still inadequate. Knowledge of FSW parameter relationships is needed to better understand the process and implement proper machine control. This study utilized a 3-factor, 3-level factorial design of experiments to …
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Gas assisted injection moulding: Experiment and simulation. Industrial machine experimental studies of the effect of process variables on gas bubble formation, and with simulation based upon a pseudo-concentration method.
The gas assisted injection moulding process is an important extension to conventional injection moulding. Gas assist can be applied in a number of ways, but here the penetration of a gas bubble through the polymer melt is of interest. A 3D fi nite element implementation of a pseudo concentration …
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Characterization and modeling of plasma etch pattern dependencies in integrated circuits
… circuits (ICs) is presented. Plasma etching is a key process for pattern formation in IC manufacturing. Unfortunately, pattern dependent non-uniformities arise in plasma etching due to microloading and RIE lag. This thesis contributes a semi-empirical methodology for capturing and modeling …
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Software process reusability in an industrial setting
… organizations are actively pursuing software process maturity. One of the cornerstones of software process improvement is the definition of processes in key process areas [Paulk 93a]. As development organizations define processes to increase their project's maturity, a method is needed to make …
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Design, fabrication, operation and Aspen simulation of oil shale pyrolysis and biomass gasification process using a moving bed downdraft reactor
… for oil shale pyrolysis is to identify the key process parameters for the reactor and optimize the rate of production of syncrude from oil shale. The work in Paper III focuses on 1. Design and operation of a vertical downdraft reactor, 2. Establishing an optimum operating methodology and …
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The influence of plant size and fertilization on catkin production in birch (Betula pubescens Ehrh.)
… only little is left. Regeneration of birch is a key process in woodland expansion and is important for land reclamation and restoration. Success of natural regeneration depends largely on seed production and seed establishment. Therefore, information about factors influencing these processes is …
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Military housing privatization & the promise of design innovation
… "Has the military housing privatization process produced design innovation?" Secondary questions are, "What specific role has the Army's Residential Communities Initiative played in fostering innovation? What are the key process drivers? What (if any) specific building product innovations …
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Experimental Evaluation of Three Backward Transit Time Distributions (bTTD) for Solute Storage and Release During Hyporheic Exchange
… exponential distributions. Further, values for key process variables, including hyporheic exchange flux and the Gamma distribution's shape parameter are correlated with readily measured field variables, including mean grain diameter of the streambed, streambed roughness, and mean stream …
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