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 6321 for “"shaped"”.
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Star-shaped Polyelectrolytes
Star-shaped polyelectrolytes were prepared by means of atom transfer radical polymerization (ATRP) utilizing the core-first approach. Star-shaped poly(acrylic acid) (PAA) with 5, 8 and 21 arms and different arm lengths was prepared via the corresponding poly(tert-butyl acrylate) (PtBA) precursors …
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Conical shaped charges
Includes bibliographical references.
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Adaptively shaped advanced ultrafast laser sources
… in this thesis is to investigate adaptively shaped advanced ultrafast laser sources in the near-(NIR) and the mid-infrared (MIR) regimes. The setup involves shaping a NIR pulse using an adaptively controlled liquid crystal spatial light modulator (LC-SLM) in a pulse shaper. The shaped NIR …
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Contact stresses in conical shaped rollers
… the stress distribution when two conical shaped rollers come into contact, both over their contact surface region and inside the material. One of the most important findings of this thesis is that when two conical rollers push against one another, the resulting contact patch takes a …
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Shaped ultrafast optical pumping for NMR applications
Thesis (S.M.)--Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2002.
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Magnetic flux reconstruction methods for shaped tokamaks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1994.
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Controlling light emission with shaped electron wavefunctions
… Moreover, the radiation from rapidly decelerated shaped electrons can be made directional and monochromatic. Using the QED formalism, we show that the radiation can be markedly different from an incoherent sum of the radiations of the two states because of interference between the scattering …
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Distributed force model for arbitrarily shaped IMPC actuators
… describes the relationship of an arbitrarily shaped artificial muscle to the force it produces does not currently exist for actuators made of ionic polymer-metal composites (IPMC), a type of electroactive smart material. The model in this thesis couples a finite element force simulation for …
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Flows through s-shaped annular, inter-turbine diffusers
… of two different severity diffusing annular sshaped ducts, with the same overall diffusion ratio of 1.5, in order to validate the CFD code M.E.F.P. The first less severe diffusing duct was used to investigate the effects of inlet swirl on the duct performance. It was found that at an optimum …
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Network church: a Pentecostal ecclesiology shaped by mission
… a common essence and mission movement. This is shaped by the missionary nature of pentecostalism and rooted in an understanding of a church marked by Spirit baptism. The character of networks is defined in terms of partnership, a term with a rich mission understanding and seen also in the …
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The structural performance of egg-shaped sludge digesters
Includes bibliographical references.
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Equilibrium and stability studies of strongly shaped Tokamaks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1988.
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Optimization of a Coded-Modulation System with Shaped Constellation
… the design of the LDPC code is optimized for the shaped modulation with the assistance of extrinsic-information transfer (EXIT) charts. The rule for labeling the constellation with bits is optimized using a novel hybrid cost function and a binary switching algorithm.;Simulation results show that …
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New technologies and materials for fiber-shaped supercapacitors fabrication
L'abstract è presente nell'allegato / the abstract is in the attachment
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Study of Spin Configuration of Hexagonal Shaped Ferromagnetic Structures
This thesis work consists of two distinct parts: the set-up of a unique characterisation system and the study of spin configurations in hexagonal ferromagnetic structures. The characterisation system developed is able to perform in-situ magnetic imaging, structural modification and electrical …
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Coherent Control of Molecular Dynamics with Shaped Femtosecond Pulses
… of quantum mechanical systems with suitably shaped ultrashort laser fields. The coherence properties of the laser field are exploited to achieve constructive interference for a predefined target wave function via a phasecorrect superposition of wave functions. The goal of coherent control, the …
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