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 11 of 11 for “"Recovery behavior"”.
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Loading and recovery behavior of the human lumbar spine under static flexion
… and decreased safety of the spine. However, the recovery process of this reflexive muscle activity to its original state is a complicated phenomenon and the research efforts in this area are limited to a few animal based experiments. Although the recovery process is modeled and known for animals, …
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Correlations between the Mineralogy and Recovery Behavior of Rare Earth Elements (REEs) in Coal Waste
… have been published recently regarding the recovery of REEs from coal-related materials, such as coal waste, acid mine drainage, and coal combustion ash. The recovery of REEs from coal waste has been investigated by the author in recent years, and it was found that after calcination at 600 ℃ …
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Persistent autonomous exploration, mapping and localization
… we describe the new software structure and recovery behavior for an autonomous robot to navigate to its dock despite errors of uncertainty in its map. Third, we implemented a landmark-based topological mapping method using a state-of-the-art toolbox that maps the environment using visually …
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Physikalische Hydrogele auf Polyurethan-Basis
… range and the gels exhibit excellent stress recovery behavior.
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Accounting for Remaining Injected Fracturing Fluid
… period. Possible mechanisms for low load recovery include ineffective dewatering of the propped fractures, matrix pore scale water retention related to imbibition, capillary fluid retention, relative permeability, and water held up in a fracture network (complexity) opened or reopened …
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The creep and creep rupture of SMC-R50 under different thermomechanical conditions
The creep and creep recovery behavior of a random fiber composite (SMC-R50) at elevated temperature and constant humidity were investigated experimentally and theoretically. The short time creep response for four constant stress levels at each of four selected temperature levels was experimentally …
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Multiblock Thermoplastic Polyurethanes For Biomedical and Shape Memory Applications
… crosslinks in this system, engendering shape recovery and preventing flow. Moreover, water-triggered shape memory effect of PCL-PEG TPUs is explored, wherein water permeated into the initially oriented PEG domains, causing rapid shape recovery toward the equilibrium shape upon contact with …
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Quasi-Static and Creep Behavior of Enhanced SIC/SIC Ceramic Matrix Composites
… liners in stationary gas turbines. The creep behavior of woven Enhanced SiC/SiC composites was studied at temperatures from 600 to 1200 °C and at 140 to 220 MPa stress levels. Most researchers studying the creep behavior of ceramic matrix composites (CMCs) use the time hardening model and rate …
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Microstructural evolution during hot deformation of the 6061 aluminium alloy based Al₂O₃ metal matrix composites
… was investigated by optical metallography. Recovery behavior of the 6061 and the composites was very similar while recrystallization behavor differed markedly. Only up to 5% fraction recrystallized was observed in the 6061 material deformed at temperatures above 723 K and annealed at the …
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Plasma modification of metal oxides and textiles: tailoring surface properties for improved gas sensor and protective clothing applications
… the material's surface properties for a specific behavior. The first part of this work concentrates on the plasma modification of semiconducting metal oxides (SMO) to create gas sensors that are more responsive to a target gas at lower operating temperatures. First, SnO2 nanoparticles (NP) …
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Low-dose thiafentanil in combination with azaperone alone or azaperone and medetomidine for the immobilization of African buffalo (Syncerus caffer)
… buffalo was de-instrumented, antagonized and the recovery times were recorded. The TA combination was antagonized using naltrexone hydrochloride intravenously at 10 mg/mg thiafentanil. The animals immobilized with the TMA combination received a standardized mixture of atipamezole and yohimbine …