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 32 for “"straightening"”.
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Special gradient trajectories counted by simplex straightening
We prove three theorems based on lemmas of Gromov involving the simplicial norm on stratified spaces. First, the Gromov singular fiber theorem (with proof originally sketched by Gromov) relates the simplicial norm to the number of maximum multiplicity critical points of a smooth map of manifolds …
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Generalized straightening laws for products of determinants
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1997.
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Design and Low-Speed Validation of a Tailored Low-Loss Flow Straightening Device
… such as the oil and gas industry. In the straightening of low-speed flows with approximately constant density and axial velocity, the velocity magnitude decreases and pressure increases along streamlines. This creates an unfavorable streamwise pressure gradient that inhibits the fluids …
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Use of the advanced numerical simulation techniques for the study and improvement of steel-profiles manufacturing processes: Uso de técnicas avanzadas de simulación numérica para el estudio y mejora de procesos de fabricación de perfiles de acero
… and Straightness in Sections and Rail Straightening Processes, RFS-CR-03012). In this project the relation between the temperature and bending during the production processes of steel sections and their final residual stresses and bending was studied. The study was focused on structural …
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Towards Synergistic Understanding of Language Processing in Biological and Artificial Systems
… trajectory of a sentence’s representation via straightening—reduction in curvature between adjacent words as the input is passed through the model’s layers. Using this straightening mechanism, the ANN model recasts next-word prediction as a smooth linear extrapolation from the current internal …
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Queer(y)ing LGBTQ+ Advertisements
… scholarly contributions include the concept of ‘straightening out’, which is a reversed extension of Borgenson et al.’s (2010) ‘straightening up’; and the development of ‘gender anchors’, which are normative gender signifiers that co-exist alongside non-normative gender images in passive …
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FAILURE MECHANISMS OF ULTRA HIGH MOLAR MASS POLYETHYLENE SINGLE FIBERS AT EXTREME TEMPERATURES AND STRAIN-RATES
… in this study except where scission and straightening are the dominant mechanism. At high temperatures for constrained fibers in the hexagonal phase, chain slippage occurs more frequently due to the trans to gauche conformation. Chain scission is only dominant moments before fiber failure …
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Characterization of The Vascular Pathology In The Acta2 R258C Mouse Model and Cerebrovascular Characterization of The Acta2 Null Mouse
… of arteries in the Circle of Willis, and straightening of cerebral arteries. Patient samples are scarcely available for analysis, and the few obtained are from end stages of the disease. For these reason, we decided to study the causative mechanisms of vascular disease using the …
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Run -Time Optimization Architecture
… in-lining (even into shared libraries), code straightening, loop unrolling, peephole optimizations, and instruction rescheduling with renaming, which are all concurrently performed with the running application.
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A Multi-Objective Ant Colony Optimization Algorithm for Infrastructure Routing
… unique functions such as graph pruning and path straightening to enhance both speed and performance. It also possesses features to solve issues unique to infrastructure routing not found in existing MOACO algorithms, such as problems with multiple end points or multiple possible start points. A …
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Simulating and calibrating stretchable optical fibers for studying neural dynamics
… for better surgical precision, and a fiber straightening device is designed for this purpose. To demonstrate the optical recording capability of this flexible fiber, the nonporous PVA hydrogel is implanted into the ventral tegmental area of the mouse deep brain, along with a viral injection …
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Investigating the origin of localized plastic deformation in nanoporous gold by in situ electron microscopy and automatic structure quantification
… while curved ligaments increase ductility by straightening in the tensile direction and forming geometrically required defects, which inhibit dislocation activity. Through synthesis and microstructure characterization, two new controllable structure features were discovered experimentally. In …
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An Investigation into the Solutions for Work-related Musculoskeletal Disorders in the Hairdressing Industry.
… upper extremity during hair-blow-waving and hair-straightening activities. The relationship between working postures and WMSDs in various body regions is discussed. In this regard, poor posture and movement can lead to local mechanical stress on the muscles, ligaments and joints, resulting in …
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Convenient fictions: the disciplining mechanisms of screenplay structure
… and (most) generic conventions operate as straightening, whitening, and masculinizing devices, so that, even when female/of color/queer characters are plugged into traditional narratives, they become normalized, disciplined, and more in line with cis, white, heterosexist patriarchal logics. …
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Hot ductility of steels
… simulate the conditions experienced during the straightening operation in the continuous casting process in which transverse cracks propagate. Two zones of reduced ductility can be identified. The Y-a transformation zone which has been shown to produce a significant ductility trough due to …
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Act local, think global – The aesthetics of success: race and Beauty in the global south: a reflection on South African women content creators' online performances on YouTube and Instagram
… to explore a hair routine away from chemicals. Straightening our natural hair and being 'presentable' according to Eurocentric standards were for a long time, a burden into my life. I began consuming their videos whereby the content creators were encouraging the viewers to own their natural hair …
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Experimentally validated multiscale thermal modeling of electronic cabinets
… subsystems downstream by adding necessary flow straightening ducts during the snapshots generation process. A general method to create dynamic multi-layer compact models for components and modules was developed. These dynamic compact models were incorporated into enclosure level simulation. The …
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Environmentally-sensitive river management : assessment and mitigation of impacts on urban rivers
… many urban rivers have been "improved" by straightening or confining within rectangular concrete-lined canals in order to protect urban development in flood-prone areas. The unquestioning faith in technology during this period and the attitude that human ingenuity could "improve nature" are …
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Drive train improvements and performance evaluation of a robotically steered needle
… is based on the concept of substantially straightening a pre-curved Nitinol stylet by retracting it into a concentric outer cannula, and re-deploying it at a different position. A drive mechanism was previously designed to actuate the cannula and stylet motions. While successfully …
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Mechanical Investigation of Damage in Ligaments
… the physiological loading direction. The gradual straightening of collagen fibers determines the nonlinearity in the toe region of the tensile axial stress-strain curve. Straight collagen fibers behave as a linear elastic material. The gradual damage of collagen fibers determines the nonlinearity …
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