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 131 for “"EOS"”.
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Fusioni di stelle di neutroni binarie con EOS microscopiche
… d'onda gravitazionali. L'Equazione di Stato (EOS) della materia stellare rappresenta un input fondamentale per tali simulazioni: tale EOS dovrebbe descrivere accuratamente l'ampio range di temperature e densità che sono normalmente raggiunte negli eventi di fusione, con il requisito di …
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Design of a battery charger for the NASA EOS space platform
… design for the NASA Earth Observing System (EOS) Space Platform has been developed and tested. This thesis discusses the design of the battery charger power stage and its current and voltage control loops. The charger was designed to minimize the mass and to maximize the efficiency. In …
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Hardware and software control for the NASA EOS satellite power system testbed
For the implementation of the NASA EOS testbed programmable operations, a control/data acquisition system has been designed, implemented, and tested. The work is focused mainly on the hardware design/build of the custom interface board and software development for real-time control and data …
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Modeling simulation and design guidelines for EOS/ESD protection circuits in CMOS technologies
Electrical Overstress (EOS) and Electrostatic Discharge (ESD) are major causes for integrated circuit (IC) field failures. Industry surveys indicate that nearly 50% of all IC field failures can be attributed to EOS/ESD events. The susceptibility to EOS/ESD increases as the minimum feature size in …
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Implementación de la metodología EOS (sistema operativo empresarial) en la empresa SACC Ingeniería SAS
Los procesos de gestión y sistemas como el EOS, permiten que las empresas tengan un crecimiento y que salgan de su zona de confort, por medio de la delimitación de procesos y de una correcta gestión del talento de humano. Por esta razón el objetivo de este trabajo es el de implementar el sistema …
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Relationship of economies of scale (EOS) factors for Malaysian Industrialised building system (IBS) precast manufacturer
… competitive advantage. The economy of scale (EOS) is one of the available strategies for IBS manufacturers to reduce average cost and increase the level of production. However, many IBS manufacturers fail due to lack of understanding in EOS and limited of study in Malaysia. Therefore, this …
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Modeling, Simulation and Design of EOS/ESD Protection Devices and Circuits in Silicon-on-Insulator Technology
For the first time, a circuit level simulation tool for CMOS-on-SOI ESD protection networks is presented. The simulator, SOI-iETSIM, has built-in device models for completely coupled electrothermal simulation of SOI protection devices operating in the high current regime. The implementation of …
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Design of a multi-module multi-phase battery charger for the NASA EOS space platform testbed
… charger for the NASA Earth Observing System (EOS) is presented. The MMMP converter is comprised of four independent buck converters switched 90° out of phase. The MMMP charger is compared to a single module battery charger, and shown to provide significant performance improvements. The power …
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Cloud Observations From Eos-Terra: From Conception to Interpretation of Cloud Climatologies With a Focus on Small Clouds
Global comparison between the MISR and MODIS cloud masks shows large discrepancies over regions dominated by small clouds. This discrepancy was further explored using an ASTER dataset at 15m resolution over the tropical western Atlantic. On average, MODIS and MISR overestimate cloud fraction by 18% …
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EOS modeling and reservoir simulation study of Bakken gas injection improved oil recovery in the Elm Coulee field, Montana
The Bakken Formation in the Williston Basin is one of the most productive liquid-rich unconventional plays. The Bakken Formation is divided into three members, and the Middle Bakken Member is the primary target for horizontal wellbore landing and hydraulic fracturing because of its better rock …
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Design of a high-efficiency, high-performance zero-voltage-switched battery charger-discharger for the NASA EOS space platform
The integration of two Zero-Voltage-Switched Bidirectional Battery Charger Discharger (ZVS-BBCD) units into a space power system is shown. A robust design featuring: four interleaved phases, commandable charge rates, overcurrent protection, overvoltage protection, soft starting, reliable gate drive …
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,,Það þarf alltaf að búa til þennan aga sem oft á tíðum er mesta áskorun". EOS aðferðafræði hjá Skeljungi í tengslum við stefnumótun
… landi hafa íslensk fyrirtæki byrjað að innleiða EOS aðferðafræðina (e. Entrepreneur Operating System) sem snýst um að aðstoða stjórnendur við að ná markmiðum sínum, leysa vandamál og byggja upp drifkraft með hagnýtum verkfærum.Markmið þessarar rannsóknar er að rannsaka EOS aðferðafræðina, kanna …
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Wave Tracking in Complex Geometries
A new equation of state (EOS) for a reactive, non-ideal explosive was developed to be used in the explosive applications. The new EOS was based on the earlier work of W. C. Davis, who developed equations of state for the reactants and products separately. The new EOS presents a plausible way to …
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Hurdle Technologies Using Essential Oils And High Hydrostatic Pressure To Inactivate E. Coli In Fresh Beef
… hydrostatic pressure (HHP) and essential oils (EOs) as natural antimicrobials was evaluated to produce E. coli safe and quality beef product. First, the individual and combined effects of antimicrobial activity (minimum inhibitory concentration) of basil, black cumin, cilantro, cumin, fenugreek, …
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Investigating the Optical Link Performance of the End-of Substructure Card and Susceptibility to SEUs
… of this new detector is the End-of-Substructure (EoS) card, which constitutes the interface between the ondetector electronics and the off-detector systems. In addition to the operational challenges, the HL-LHC does not allow for repairs or replacing of EoS cards once operation commences, …
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Evaluation of the Best Equation of State for Enhanced Oil Recovery Use in Ultra-high Pressure Hydraulic Calculation
… from process involving the equation of state (EOS). The EOS of a system has been proven to be very reliable in predicting the properties of most hydrocarbon based fluids. An engineering design starts with EOS selection, process simulation, heat and material balance calculation, equipment sizing …
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Smart Growing Rod Device for the Treatment of Early Onset Scoliosis
Early Onset Scoliosis (EOS) occurs in children under 10 years of age and many cases have a higher probability of progression during growth. The EOS has been treated with “growing rod” procedure to avoid interference with spinal growth. Patients have to undergo a series of operations to have the rod …
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Modeling and simulation of electrical overstress failures in input/output protection devices of integrated circuits
… measure to determine the electrical overstress (EOS) hardness of integrated circuits with respect to EOS/electrostatic discharge (ESD) can be measured in terms of the power vs. time-to-failure relationship (power profile) and the current vs. time-to-failure relationship (current profile).
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Critical Phenomena in Gravitational Collapses of Neutron Star Systems
… energy described by an equation of state: EOS) commonly used in describing neutron star matter may undergo critical collapses. To the best of our knowledge, this is the first study showing that critical collapses can occur without postulating an exotic EOS. We further showed that the …
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Understanding scalability in distributed ledger technology
… first analyses scalability in ethereum and EOS. Currently, ethereum 1.0 uses proof of work (PoW) and handles only 14 transactions per second (tps) compared to Visa's peak 47 000 tps. Ethereum 2.0, known as Serenity, introduces sharding, proof of stake (Casper), plasma and state channels in …
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