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 1275 for “"formations"”.
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Writing formations in Shakespearean films
… specific forms of filmmaking practice is writing formations. A filmic writing formation is a form of filmmaking practice influenced by the same cultural ideas which also inform academic hermeneutics. The thesis does not undertake a conventional extended literature review as a means to identify the …
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Rotor Wakes; Formations, Interactions, and Design
With the increasing demand for sustainable energy solutions in aviation, distributed electric propulsion (DEP) has emerged as a promising configuration to enable advanced capabilities such as electric short take-off and landing (eSTOL). Using two primary research objectives, this dissertation …
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A study of two squall line formations
Massachusetts Institute of Technology. Dept. of Meteorology. Thesis. 1967. M.S.
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Dynamics and control of electromagnetic satellite formations
… deep space missions and Low Earth Orbit (LEO) formations. Nonlinear control laws using adaptive techniques will be derived for general formations in LEO. Angular momentum management in LEO is a problem for EMFF due to interaction of the magnetic dipoles with the Earth's magnetic field. A …
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Acoustic logging in fractured and porous formations
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1990.
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Control System Design and Simulation of Spacecraft Formations
<p>The objective of this thesis is to analyze an effective control scheme for a formation of spacecraft, implement that control, and provide a 3-D simulation. The thesis first summarizes the progress made in formation flight control schemes and then provides a theoretical framework for the control …
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Modeling Satellite Formations In The Presence Of Perturbations
… order to achieve successful autonomous satellite formations. The purpose of this paper is to develop and describe a numerical simulation of the orbital environment including central force field perturbations and atmospheric drag effects which will be a useful analytical tool for investigating …
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Analytical and Numerical Analysis of Static Coulomb Formations
… the cases of linear two- and three-spacecraft formations and for the case of equilateral triangular formations with spacecraft of equal mass. In addition, analysis is provided for the N-craft case so that the inter-craft charge products can be determined for any static formation. In the …
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Microstructural formations and phase transformation pathways in tantalum carbides
Transition metal carbides have a large assortment of applications because of their high hardness, chemical resistance, and high melting temperatures. Tantalum carbide (TaC) and its sub-stoichiometric Ta2C and Ta4C3 phases have emerged as candidate materials for ultra-high temperature structural …
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Electron Donor Potential of Eastern North Dakota Shale Formations
… the highest donor concentrations, but the other formations tested, the Niobrara, Carlile, and Greenhorn, contain higher concentrations of e- donors. </p><p> Organic carbon concentrations in the Pierre (0.3% to 0.7%) are relatively low while concentrations in the Niobrara (-2.9%) and Greenhorn …
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Investigating the protective effects of farnesol formations against neuroinflammation
<p>Farnesol (FOL) is a naturally-produced 15-carbon organic acyclic sesquiterpene alcohol (isoprenol) that acts as a potent blocker of neuronal voltage-gated Ca2+ channels (L- and N-type) and is found in the human brain. FOL has potent anti-oxidant and antiinflammatory effects in vitro and is …
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Production Analysis and Enhancement in The Unconventional Tight Formations
… of the development efficiency in these formations. Production modelling and analysis have been used in the oil and gas industry for a long time for the purpose of asset evaluation and project design. In this study, a new methodology for complex production profile analysis is first …
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Stratigraphy of Cambrian and Ordovician Formations of Northeastern Illinois
Made available in DSpace on 2014-12-04T19:13:53Z (GMT). No. of bitstreams: 1 6000155.pdf: 6181598 bytes, checksum: 2319cb49fe049d26cdf81eea0f9c610e (MD5) Previous issue date: 1959
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Canadian precambrian iron-formations: ages and trace element compositions,
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1971.
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Numerical modeling of tool-rock interaction in laminated formations
… of the chip formation process in laminated rock formations has been developed. The model uses a finite element approach to simulate the anisotropic behavior of laminated rock formations. The finite element program has been developed with the assumption of two-dimensional plane strain. Anisotropic …
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Pattern formations and relaxation dynamics in non-equilibrium systems
… systems characterized by nested pattern formations. We first consider a six species game in which spiral patterns spontaneously form within coarsening domains. Through a systematic investigation of relevant correlation functions, the interface width, and other quantities, we show that the …
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Improving Controllers for Formations and Deconfliction among Non-holonomic Vehicles
… efficient geometric method for simulating formations of systems with non-holonomic motion constraints inspired by solutions in robotics. The geometric reasoning takes place in curvilinear coordinates, which are defined by the curvature of the leaders reference trajectory, in order to …
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