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 60 for “"recovery times"”.
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Development of novel optical sensors
… are shown to have increased operational lifetimes under ambient conditions compared to similar solvent-based counterparts. Response and recovery times, as well as CO₂ sensitivity of a water-based, CO₂- responsive ink are reported and compared to those of a similar solvent-based indicator. An …
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AQuA: A Framework for Providing Adaptive Fault Tolerance to Distributed Applications
… lengths. In addition, fault detection and recovery times with different replication schemes under various failure situations were studied.
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In vivo Knee Kinematics and Cartilage Recovery of Noncontact Anterior Cruciate Ligament Injuries
… resonance imaging, and 2) to assess cartilage recovery time as a potential imaging biomarker of osteoarthritis in ACL injured subjects. In the first aim, two common bone bruise patterns were determined and used to quantitatively determine the injury position of the knee using numerical …
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Obstructive Sleep Apnea and the Effects of Co-Existing Factors on PACU Stay Time
… from anesthesia, delayed post-operative recovery, increased apneic episodes, hypoxemia, and death. Examining duration of recovery periods between the two OSA groups will help determine if patients with additional cofactors benefit from longer post-operative monitoring or modification of …
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Efeitos do óleo essencial de Elionurus muticus (Spreng.) Kuntze na indução anestésica e no manejo de tilápia do Nilo em diferentes pH da água
… pHs 5.5, 7.0, and 8.5 to determine induction and recovery times. In Experiment 2, fish (70 g) were transferred from water at pH 7.0 to waters at pHs 5.5, 7.0, or 8.5, anesthetized (600 µL L⁻¹) or not, and sampled after 0 and 1 h for hematological and plasma biochemical analyses. The 600 µL L⁻¹ …
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Ultrafast nonlinear optical properties of passive and active semiconductor devices
… for pulses shorter than 40ps. The carrier recovery times were observed to vary between 390 to 160ps for 1A to 4A bias currents, and the short-pulse saturation fluence of the gain was determined to be 1.4mJ/cm2. Furthermore, nonlinear optical processes in high-index-contrast waveguide …
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The design and fabrication of a meso scale minimally invasive surgical robot
… due to its ability to reduce operation times, recovery times, postoperative infection rates and improve cosmesis while providing surgeons with greater dexterity and precision than traditional SPLS techniques. Previous approaches to robotic SPLS rely on modifications to devices meant for …
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Pharmacokinetics of propofol in cats
… vs. 0.027 L.kg- 1.min-1) is approximately 2½ times slower in cats when compared with humans. Slow clearance should not influence recovery from anaesthesia following standard induction doses, because the early decreases in blood concentrations are predominantly due to redistribution of drug to …
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Predicting the ecosystem effects of harvesting beach-cast kelp for biofuel
… 2 years regardless of harvesting intensity, but recovery times for shorebirds were an order of magnitude longer, and increased with harvesting intensity. Harvesting more than 50% wrack predicted a ‘collapse’ in wader populations within 25 years, and recovery times of 45-60 years were estimated if …
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Light-induced structural transition and reflectivity of a silica-gallium interface
… spectrum for the first time. Reflectivity rise times of a few ps were observed and the accumulative nature of the reflectivity change with pump energy was seen. Recovery times of 1.2 µs just below melting were recorded for pump pulse duration of 0.4 µs. Thermal and non-thermal mechanisms of the …
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Performance analysis of HDLC protocol operating in asynchronous balanced mode
… terrestrial links, and hence, have longer error recovery times. For such links, errors in acknowledgements have considerable impact on the throughput. In this analysis, the effect of errors in acknowledgements is taken in to consideration. An analytical approach is used to derive performance …
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The Relationship between Aerobic Fitness and Concussion Risk, Severity, and Recovery in High School Football
… fitness level on concussion risk, severity and recovery in high school football players. Participants (N=158) completed aerobic fitness (i.e., estimated VO2 max) and baseline neurocognitive tests (i.e., ImPACT). Concussed athletes completed ImPACT every 24-72 hours until they were asymptomatic …
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Modeling and Simulation of Shape Changes of Red Blood Cells in Shear Flow
… respectively. The characteristic response and recovery times of viscoelastic circular and spherical capsules are compared, and their dependence on simulation parameters is shown. The shape recovery of biconcave capsules in two and three dimensions is also considered, focusing on the role of …
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Gamma irradiation response of photonic crystal and standard optical fibre Bragg grating sensors for radiation dosimetry
… consecutive radiation stages followed by limited recovery times. There is a lack of research in the areas of small recovery times and multiple periods of irradiation. The experimental regime and setup consisting of the three stages with very limited recovery comparing PCF-FBGs and standard FBGs …
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The effects of human disturbance on the seabirds and seals at sub-Antarctic Marion Island
… responses to research disturbance, and recovery times were variable. Level of chronic disturbance did not explain breeding success differences between colony sections. Instantaneous scans or counts of guarding and brooding gentoo penguins (Pygoscelis papua), incubating Crozet shags …
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Transient phase change effect in phase change memory devices
… to low resistance crystalline phase in nano-timescale is the most important characteristic of these materials. However, full understanding of the mechanism is still not achieved. Two time parameters were identified from the transient waveform, namely the delay and current recovery times. The …
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Topological organization of the trigeminal system in the lamprey and restoration following axonal regeneration
… animals were separated into different recovery groups (4, 8, 12, or 16 weeks), and Alexa 488 and TRDA were applied to the same regions of the oral hood as in normal animals. The results indicate that at the longer recovery times (12 and 16 weeks), experimental animals showed a …
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The application of univariate and distributional analyses to assess the impacts of diamond mining on marine macrofauna off the Namibian Coast
… of macrobenthos obtained before and at different times after mining for diamonds off the coast of Namibia. The first study dealt with multivariate clustering analysis of the first samples before and after mining. The second study focused on recovery times after mining and this study is aimed at …
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Recovery algorithms for in-memory OLTP databases
… been the gold standard for relational database recovery. In this thesis, we show that in modern high-throughput transaction processing systems, this is no longer the optimal way to recover a database system. In particular, as transaction throughputs get higher, ARIES-style logging starts to …
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Scalable fault tolerance for high-performance streaming dataflow
… for dataflow systems either come with long downtimes during recovery, or fail to scale to large deployments due to the overhead of global coordination. For example, in the failure of a single dataflow node, existing lineage-based techniques take a long time to recompute all lost and downstream …
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