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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 174 for “"Hess"”.
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Probing the Gamma-ray Emission from HESS Source RX J1713.7-3946
… from the High Energy Stereoscopic System (HESS) along with X-ray and radio observations from Suzaku and the Southern Galactic Plane Survey (SGPS) respectively, we are able to model the broadband spectra from 29 distinct regions across the SNR. We investigate the resultant parameter space …
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Six major women pianists: Clara Schumann, Teresa Carreno, Myra Hess, Clara Haskil, Alicia de Larrocha, and Martha Argerich
… tremendous success in her own life time. Myra Hess led a blossoming career in England and on the Continent before having a grand success in the United States. She led the National Gallery Concerts during World War II, which brought about much appreciation from her countrymen. Clara Haskil's …
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Designing, implementing, and evaluating a homework policy and its effects on discipline at the George L. Hess educational complex
<p>The purpose of this study was to determine the impact a new homework policy would have on discipline among sixth grade students. Over the five months of the study there were an average of 346 students involved in the project. It was determined that a new homework policy would be incorporated …
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Studies of TeV Gamma-Ray Sources in the Hydrogen-Alpha Optical Line
… between the TeV (1012 eV) gamma-ray emission of HESS J1825-137 and an optical supernova remnant (SNR) G18.7-2.2 is helping us to understand the interstellar medium (ISM) in multiple different wavebands (Voisin et al., 2016). G18.7-2.2 is observed in optical H𝛼, and has a spectral intensity ratio …
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A hybrid solution for distributed energy storage for microgeneration in microgrids: Design of the electronic power and control system
… Sistemas de Almacenamiento de Energía Híbridos (HESS por sus siglas en inglés) a microrredes y nanorredes de CC. Más en concreto, se analizan las topologías de potencia y estrategias de control, para el diseño de convertidores electrónicos de potencia utilizados en estos sistemas de potencia. En …
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Signal and power integrity analysis of bidirectional DC-DC converters for hybrid energy storage systems with EMI/EMC optimization
Hybrid Energy Storage System (HESS) utilizes multiple energy storage architectures to achieve a broader range of characteristics in terms of power density, energy density and calendar life. A 500W bidirectional synchronous DC-DC converter design is implemented for the active topology of HESS. This …
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New and improved solutions for the configuration, management and operation of large-scale photovoltaic power plants using hybrid energy storage system
… combining PV and hybrid energy storage systems (HESS). In doing so, hybrid power plants represent a very interesting option for power generation and grid integration of PV systems, since they allow increased efficiency in the energy generation, as well as storing and supporting RE generation when …
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Análise dos distúrbios hormonais na hemorragia subaracnóidea, por ruptura de aneurisma intracraniano
… da hemorragia, analisada pela escala de Hunt & Hess, com os achados tomográficos de acordo com a escala de Fisher, com localização dos aneurismas e com a presença de vasoespasmo cerebral. CASUÍSTICA E MÉTODO: Foi realizado um estudo prospectivo com delineamento de série de casos em 21 pacientes, …
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Absolute Energiekalibration der abbildenden Cherenkov-Teleskope des H.E.S.S. Experiments und Ergebnisse erster Beobachtungen des Supernova-Überrests RX J1713.7-3946
Die HESS-Kollaboration betreibt in Namibia ein System von 4 abbildenden Cherenkov-Teleskopen, die Cherenkov-Licht aus Luftschauern nachweisen, welche von Teilchen aus der kosmischen Strahlung induziert werden. Für diese Teleskope wurde mit Komponenten aus der Automatisierungsindustrie ein …
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An evaluation of the removal method for estimating benthic populations and diversity
… removal sampling method was compared to Modified Hess, Surber, and Kicknet sampling methods, and gave consistently higher and less variable estimates than other methods. Taxa showing the lowest catch abilities included the case-building Trichoptera, the Mollusca, and the Annelida. The highest …
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Decoding Continuous Gravitational Waves from Pulsars: A Multi-Wavelength Approach
… from the High Energy Stereoscopic System (HESS) with data from the second observing run of the Advanced Laser Interferometer Gravitational-Wave Observatory (aLIGO) to enhance the sensitivity of CW detection strategies. The initial chapters review the evolution of CW search techniques, …
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The accretion of lower oceanic crust
… used in these investigations, ODP Hole 1256D and Hess Deep. Hole 1256D provides the first intact sampling of a complete section of upper oceanic crust formed at a fast spreading rate and recovered the first in situ sampling of the dike/-gabbro boundary. Hess Deep is a tectonic window where the …
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Untersuchung des Gesichtsfelds der HEGRA-Kamera auf unbekannte TeV-Gamma-Quellen
… sind. Weil fünf dieser Himmelspositionen durch HESS beobachtbar sind, werden sie für künftige Beobachtungen sehr empfohlen.
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Coiling and clipping in Aneurysmal Subarachnoid Hemorrhage
… were classified according to the Hunt and Hess grading system. There were 66 Grade I patients (20.5%), 103 Grade II (32.0%), 80 Grade III (24.8%), 54 Grade IV (16.8%) and 19 Grade V (5.9%). 167 patients were treated initially by endovascular coiling embolization, and 155 received clipping …
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DFIG-Based Split-Shaft Wind Energy Conversion Systems
… an integrated Hybrid Energy Storage System (HESS) is developed to support the new DFIG excitation system in the SS-WECS. The goal is to improve the power quality while significantly reducing the generator excitation power rating and component counts. Therefore, the rotor excitation circuit is …
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Collaborative Practices in Special Education: An Exploratory Study
… Model of Collaboration (CMC), created by Hess and colleagues (2017).</p> <p><strong>Methods: </strong>27 professionals who work in special education participated. Cross tabulation tests and Pearson's correlation tests were run to determine relationships between the variables.</p> …
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The roles of finance at different growth stages of startups
… from past literature (Flamholtz & Randle, 2007; Hess, 2010; Matthews & Dennis, 2003). The study findings and the analysis generated nine finance themes, which might provide insight into understanding the successful/failure factors of startups, and might offer best practices for entrepreneurs to …
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Interactive calculation of cross-sectional areas for aircraft design and analysis
… allows the user to display aircraft described in Hess format, to restructure the data in a manner compatible with computational fluid dynamic codes for predicting viscous flow drag, and to compute and display the axial distribution of cross-sectional area normal to the free-stream airflow. The …
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Development, validation, and application of new relativistic methods for all-electron unrestricted two-component calculations of EPR parameters
… of back-transfoprmation within the Douglas-Kroll-Hess (DKH) framework, which has simplified the picture-change consistent transformation of first-order property operators in the DKH approach, making the implementation feasible. This has enabled us to implement the first all-electron scalar …
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