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.
Results
Showing 1 to 20 of 501 for “"detachment"”.
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Experimental classification of divertor detachment
… partially detached from the divertor. Divertor detachment is characterized by a strong reduction of the ion flux to the target. With a reduction of the temperature, achieved by increasing the main plasma density or by seeding additional impurities, volumetric processes such as charge exchange …
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Predicting eddy detachment from thin jets
Using a semi-geostrophic, reduced gravity thin jet model, we analytically study the evolution of initial meanders into pinched-off rings. The model used is similar to the path equation developed by Flierl and Robinson {1984) for vertically coherent meanders. However, in the present model, the …
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Predicting eddy detachment from thin jets
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences and Woods Hole Oceanographic Institute, 1991.
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Physical factors influencing mechanical detachment of apples
… percent level of significance. 1. Baaed on 108 detachment tests, it can be concluded that the difference in rate at which the loads were applied to the stem, which were 0.175 and 0.350 in./sec did not affect the force of removal. 2. Based on 108 detachment tests, it can be concluded that the …
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Elucidation of the genetic causes of retinal detachment
Contains fulltext : 49405.pdf (Publisher’s version ) (Open Access)
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Bacterial adhesion and detachment from model mineralized biofilms
… precipitates on pathogen adhesion to and detachment from biofilms. Thus far, the research focus has been to create an agarose hydrogel with similar elastic moduli to real biofilms in order to perform systematic studies of calcium carbonate precipitation within the gel. Agarose is a polymer …
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Genetic, Cellular and Ultrastructural Mechanisms in Retinal Detachment
Rhegmatogenous retinal detachment (RRD) is a blinding eye condition, usually requiring emergency surgical repair. The proximate cause is a retinal tear caused by posterior vitreous detachment (PVD), but most people with PVD do not develop RRD. Understanding the underlying processes may help to …
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Force and Energy Measurement of Bubble-Particle Detachment
… leading to increased revenue. Bubble-particle detachment has been studied to better understand the factors influencing the strength of attachment and the energies involved. Direct measurements of bubble particle detachment were performed using a hanging balance apparatus (KSV Sigma 70 …
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The implementation of CRM at FISC Norfolk Detachment Philadelphia
… DOD commands to become new FISC Norfolk Detachment Philadelphia customers. The four key elements to a Customer Relations Management system are 1) customer identification, 2) customer differentiation, 3) customer interaction, and 4) customized customer service. FISC Norfolk Detachment …
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A Measure of Detachment: Richard Hofstadter and the Progressive Historians
This thesis argues that Richard Hofstadter's innovations in historical method arose as a critical response to the Progressive historians, particularly to Charles Beard. It argues that Hofstadter's first two books were demonstrations of the inadequacy of Progressive methodology, while his third book …
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Kinematics of detachment folding, Appalachian Valley and Ridge, West Virginia
… upper, Silurian-Devonian sheet indicates it is a detachment fold with a detachment depth of up to four kilometers. The estimated detachment depth indicates involvement of the underlying, thrusted Cambrian-Ordovician sheet in the folding. Kinematic analysis of uplifted fold area relative to …
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Finding Meaning in Detachment: An Analysis of Kevin Volans' Asanga
<p>Despite the undeniable importance of Kevin Volans' music, there has been little academic research done on his work. This is especially true of his pieces for percussion. This paper both dissects the form and structure Volans' piece for multiple percussion <em>Asanga</em> and explores the …
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Protostar Formation in Magnetic Clouds: The Phase Beyond Ion Detachment
"We follow the formation and evolution of a molecular cloud core from mean molecular cloud densities to a density enhancement of twelve orders of magnitude, by which stage the magnetic flux problem of star formation is expected to be resolved. We use the nonideal six-fluid MHD equations, which we …
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Vapor Bubble Detachment in Subcooled Pool Boiling at Zero Gravity
The mechanism of vapor bubble detachment at zero gravity has been studied both analytically and numerically. Instead of analyzing the force balance, this study emphasizes momentum conservation, the time integral of the force. The liquid velocity is derived from the velocity potential. Heat and mass …
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The role of individual and situational factors in the stressor-detachment model
… recovery in these contexts. Using the stressor-detachment model as a theoretical framework, the present study investigated whether an individual’s work arrangement and levels of emotional stability influenced the relationship between workload and personal burnout via psychological detachment. …
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Investigation of a trapezoidal microchannel for hydrodynamic detachment of cells or biomolecules.
… address the limitations in current microfluidic detachment assays and NSA removal methods, a trapezoidal microchannel was investigated as a hydrodynamic method of cell or biomolecule detachment. This design utilizes the characteristic pressure-driven flow of microfluidics to detach cells or …
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Particle Detachment in Single-Phase and Two-Phase Flows in Porous Media
… do not always effectively predict particle detachment. Therefore, the mobilisation of clustered structures under particle-particle attraction is investigated. The critical detachment velocity of clusters is higher than for single colloids and provides better agreement with the laboratory …
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Experimental and computational studies of receptor-mediated cell detachment in shear flow
Specific, receptor-mediated adhesion of cells to ligand-coated surfaces in viscous shear flow is a central phenomenon in many physiological and biotechnological processes. Mechanical strength of specific adhesion is generally presumed to be related to chemical affinity of receptor/ligand bonds, but …
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Dynamic Studies of Instability-Triggered Intersonic Surface Detachment Waves in Soft Material Sliding
… of the dynamic behavior of instability-triggered detachment waves, and to establish a methodology for more quantitative analyses of the wave propagation, energy transformation and its physical impacts on the surrounding media. Through a synergistic effort combining analytical studies, numerical …
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Pragmatics of attachment and detachment: medium (un)specificity as material agency in contemporary art
… processual inter-relational model of ‘attachment/detachment’ is offered as a conceptual framework and overarching practice methodology that maintains these productive tensions and opens up a complexity through which the medium specific can be mapped in a fluid and fragmentary way. Three …
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