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 77 for “"ABR"”.
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Cracking potential of short- and long-term aged binder with various levels of ABR
… aging and increasing asphalt binder replacement (ABR) levels. In addition to the standard Superpave grading parameters, the additional rheological parameters for low-temperature cracking susceptibility and block and fatigue cracking were derived from various dynamic shear rheometer (DSR) and …
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Accuracy of 40-Hz Automated and Sinusoidal ASSR and Tone-Burst ABR Thresholds in Normal-Hearing Adults Using Kalman-Weighted Filtering
Auditory brainstem responses (ABR) and auditory steady state responses (ASSR) are useful for estimating hearing in difficult-to-test populations. For these populations, Kalman-weighted filtering and in-situ pre-amplification can be advantageous for ABR recordings, but little is known about the …
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Criterios de normalidad en potenciales auditivos de tronco cerebral (ABR) y potenciales auditivos de estado estable (ASSR) con estímulo en campo libre.
… Evocados Auditivos de Tronco Cerebral (ABR) y los Potenciales Evocados Auditivos de estado Estable (ASSR) en campo libre comparadas con los auriculares de inserción. Los resultados obtenidos servirán como criterios de normalidad para su aplicación en la patología de la audición, sobre …
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Flow control for the available bit rate service in asynchronous transfer mode networks
… analysis of a flow control algorithm for the ABR (Available Bit Rate) service category in ATM (Asynchronous Transfer Mode) networks. ATM is a connection-oriented multiplexing and switching technique, that was developed for broadband-ISDN to transport data and multimedia streams with high …
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Knowledge, attitudes and perceptions of antibiotic use and antibiotic resistance among private sector patients and prescribers in South Africa
Antibiotic resistance (ABR), alternately referred to as antimicrobial resistance, has been labelled as the next big global health crisis. If current levels of ABR continue along the same trajectories, by 2050 ABR will cost the lives of 10 million people a year, ABR cannot be stopped but it can be …
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Auditory brainstem response latency in noise as a marker of cochlear synaptopathy
… the amplitude of auditory brainstem response (ABR) wave-I. Unfortunately, ABR wave-I is difficult to measure in humans, limiting its clinical use. Here, using behavioral, otoacoustic, and electrophysiological measures in humans and mice in conjunction with computational models of sound …
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Neural adaptive video streaming with pensieve
… ever-growing QoE requirements of users. These ABR algorithms must balance multiple QoE factors, such as maximizing video bitrate and minimizing rebuffering times. Despite the abundance of recently proposed ABR algorithms, state-of-the-art schemes suffer from two practical challenges: (1) …
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Investigation of acquired hearing loss in dopamine beta hydroxylase (DBH)-mutant mice
… We measured auditory brainstem response (ABR) and distortion-product otoacoustic emission (DPOAE) thresholds, as well as sound-induced umbo velocity, and used standard histological techniques to study normal and pathological middle-ear anatomy. Anatomical analyses included observation of …
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Tinnitus and Decreased Subcortical and Cortical Inhibition
… inhibition [auditory brainstem response (ABR) 〖"V/I" 〗_"amp ratio" ] and cortical inhibition [cortical auditory evoked potential (CAEP) sensory gating ratios] may provide an objective index of whether reduced subcortical and/or cortical inhibition is associated with tinnitus perception in …
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Modeling and Simulation of a Video-on-Demand Network Implementing Adaptive Source-Level Control and Relative Rate Marking Flow Control for the Available Bit Rate Service
The Available Bit Rate (ABR) service class for the Asynchronous Transfer Mode (ATM) protocol was originally designed to manage data traffic. ABR flow control makes no guarantees concerning cell transfer delay or cell delay variation. A closed-loop feedback mechanism is used for traffic management. …
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Fuel cycle options for optimized recycling of nuclear fuel
… TRU in fast cores of Actinide Burner Reactors (ABR), and (3) recycling of TRU with UO2 in self-sustaining Gas-cooled Fast Reactors (GFR). Choosing one fuel cycle strategy over the others involves trade-offs that need to be quantified. The CONFU, ABR, and GFR strategies differ from each other in …
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Computationally and Experimentally Exploring the Type IV Pilus Assembly ATPase for Antivirulence Drug Discovery
Disease caused by antibiotic resistant (ABR) bacteria has become a widespread global public health issue as humanity's existing collection of effective antibiotics dwindles. ABR bacteria are responsible for approximately 5 million deaths worldwide annually, which is predicted to reach 10 million …
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Evaluation of alternative fuel cycle strategies for nuclear power generation in the 21st century
… thermal watercooled reactors (LWRs) or fast ABR (Actinide Burner Reactor) reactors is compared to the Once-Through LWR reactor system in terms of accumulation of actinides over the next 100 years under the assumption of a growing worldwide demand for nuclear energy. It is assumed that the …
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Synthesis and Characterisation of Metallic Nanoparticles from Medicinal Plant Extracts and their Application in combating Antibiotic-Resistant Bacterial Pathogens
Background: The rise of antibiotic-resistant (ABR) bacterial pathogens is a major global health concern, especially in the case of respiratory tract infections (RTIs), which can make treatment more difficult. According to statistics, more than 2 million lives were lost due to ABR bacterial …
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Analyzing the proliferation resistance of advanced nuclear fuel cycles : in search of an assessment methodology for use in fuel cycle simulations
… Mixed-Oxide (MOX), and Advanced Burner Reactor (ABR) fuel cycles. The metrics are roughly categorized in three groups: material characteristics, material handling characteristics, and "inherent" facility characteristics. Each metric is associated with its own utility function, and is weighted …
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Stoichiometry and kinetic modeling of an anaerobic baffled reactor, The
… temperate climates. Anaerobic baffled reactors (ABRs) are essentially a series of compartments in which wastewater is directed through down-flow and up-flow conditions, passing through a solids layer that is retained in each compartment. This design allows for a decoupling of the solids and …
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Defining the relationship between maternal care behavior and hearing development in Wistar rats
… system, we assessed startle response and ABR in high-LG offspring and low-LG offspring obtained from selection experiments. We found evidence of differences in hearing development in low-LG offspring compared with high-LG offspring, including early startle responses, statistically …
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Neural abnormalities underlying tinnitus and hyperacusis
… imaging (fMRI) and auditory brainstem responses (ABRs) to measure sound-evoked activity in the auditory pathway. Subjects with clinically normal hearing thresholds, with and without tinnitus, underwent fMRI or ABR testing and behavioral assessment of sound-level tolerance (SLT). The auditory …
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The Audiometric Profile of Young Adults Who Report Difficulty with Speech Perception in Noise
… (DPOAEs), and auditory brainstem responses (ABR) in 13 participants (5 with reported difficulty in noise & 8 controls). Participants who reported difficulty in noise rated their speech perception in noise performance as poorer on the SSQ, performed within normal limits but poorer on the …
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