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 243 for “"Trench"”.
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Trench fever
[Hand-written]
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Yarditecture : new walls for trench town
… surrounding wall. This thesis envelops itself in Trench town, Jamaica, the epicenter of what is known internationally as Jamaican culture, and to reinterpret the "yard" as a viable solution for sustainable urban growth. The housing type stems from historical times of slavery, where the 1744 Act of …
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Foamed concrete for improved local trench reinstatements
The choice of materials to go into the construction industry depends upon several factors, functional, economic, physical, chemical, mechanical, constructional and often aesthetic. All have to be considered together, for the omission of any of them can lead easily and unwittingly to unsound …
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Thin-film trench capacitors for silicon and organic packages
The continuous trend towards mega-functional, high-performance and ultra-miniaturized system has been driving the need for advances in novel materials with superior properties leading to thin components, high-density interconnect substrates and interconnections. Power supply and management is …
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2D Aeroacoustic Analysis of Flow in the Flame Trench
… model of flame deflector, and flame trench. The ANSYS code is then used to simulate the internal flow. Both the steady state case is considered along with other cases where the inflow has a harmonic component. A Ffowcs-Williams Hawking (FWH) surface is then constructed within the …
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Modeling of chemical mechanical polishing for shallow trench isolation
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Modeling of chemical mechanical polishing for shallow trench isolation
This thesis presents the nonlinear analysis, design, fabrication, and testing of an axial-gap magnetic induction micro machine, which is a two-phase planar motor in which the rotor is suspended above the stator via mechanical springs, or tethers. The micro motor is fabricated from thick layers of …
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Backfill pressures within a reinstated trench: The Gatineau field project.
… backfill pressures acting through the reinstated trench and upon buried water pipe. This thesis first presents the general details of this joint project focusing on backfill temperature and pressure data for the period August 1994 to August 1996. These data are then analyzed leading to a …
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Preserving the Heartbeat of Trench Town: A Vision for Urban Renewal
… of Jamaica's capital, Kingston, the inner-city Trench Town neighbourhood is plagued with crime, historic political corruption and urban decay -- posing challenges for sustainable urban development. Through an in-depth analysis of the historical, political, Culture and architectural context of …
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Fault damage zones and friction: insights from shallow Japan Trench drill core
… of >50 m in the shallow portion of the Japan Trench subduction zone. This thesis presents analysis of drill core recovered during Integrated Ocean Discovery Program (IODP) Expedition 343/343T (JFAST) that characterizes structures surrounding the inferred Japan Trench décollement, and uses the …
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Development of high energy pulsed plasma simulator for plasma-lithium trench experiment
… a test-stand for a liquid lithium infused trench (LiMIT) device, a pulsed plasma source utilizing a theta pinch in conjunction with a coaxial plasma accelerator has been developed. An overall objective of the project is to develop a compact device that can produce 100 MW/m2 to 1 GW/m2 of …
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Between a Promise and a Trench: Citizenship, Vulnerability, and Climate Change in Guyana
Between a Promise and a Trench examines how science is constituted as a strategic practice and site through which citizens make claims about racial democracy in Guyana. It shows how government policymaking around climate adaptation--which drew upon the recommendations of outside actors, including …
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Tectonic evolution of Pegasus Basin and the Hikurangi Trench, offshore New Zealand, The
… zone into the actively subducting Hikurangi Trench requires a significant translation of plate motion from margin parallel to margin normal within the Pegasus Basin. The purpose of this research was to understand the distribution of strain along this complex transition, and to identify how …
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"Where Youth and Laughter Go:" Trench Warfare from petersburg to the Western Front
… in weapons technology. The defensive tactic of trench warfare gained new importance. The most prolific use of trench warfare occured on the Western Front in the First World War, but it was during the siege of Petersburg in the American Civil War that extensive trenches were first used with …
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Effectiveness of Porous Pavement and an Infiltration Trench as Urban Best Management Practices
… of porous pavement and an infiltration trench as Best Management Practices (BMPs) in the reduction of stormwater and its constituents. The field work of the study was conducted from 1986 through 1988 and the report was written in 1990 and finalized in 1996. Results of the study show that …
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3D trench-parallel flow in the subduction region and correlation with seismic anisotropy direction
… of the world. In subduction zone backarcs both trench-parallel and trench-normal seismic anisotropy, or fast wave polarization direction of shear wave, are observed. In the mantle the general assumption is that seismic anisotropy is caused by Lattice Preferred Orientation (LPO) of olivine …
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The relationship between plate curvature and elastic plate thickness : a study of the Peru-Chile Trench
… where it enters the Peru and northern Chile trenches varies from 30 Ma in the north to 45 Ma in the south as its dip beneath the South American continent steepens from 13° to 30°. If the elastic thickness Te of oceanic lithosphere depends only on its age, and therefore thermal state, we would …
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The relationship between plate curvature and elastic plate thickness : a study of the Peru-Chile Trench
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1988.
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Subduction dynamics at the middle America trench : new constraints from swath bathymetry, multichannel seismic data, and 10BE
… sediment seaward of the Middle America Trench. Sedimentary 10Be is correlated negatively with 143Nd/144Nd, illustrating that 10Be concentrations varied both between and within cores due to mixing between terrigenous clay and volcanic ash endmember components. This mixing behavior was …
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Compact Trench-Based Silicon-on-Insulator Rib Waveguide 90-Degree and 105-Degree Bend and Splitter Design
… numerical investigation of silicon-on-insulator trench based passive optical components, bend and splitter, respectively. Compact 90 degree and 105 degree bend and splitter are designed with high index-contrast rib waveguide at wavelength 1550nm and serve as building blocks of splitting network …
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