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 273 for “"Retrograde"”.
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Retrograde Endopyelotomie als Therapie der Ureterabgangsenge
… als auch für den transu-rethralen Zugang bei der retrograden Endopyelotomie (Schwartz und Stoller 1999, Tawfiek et al. 1998, Faerber et al. 1997, Preminger et al. 1997, Nadler et al. 1996). Be-züglich der Langzeitergebnisse ist die Endopyelotomie derzeit der offenen Pyeloplastik noch unterlegen. …
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An expert system approach to retrograde-analysis
… which has the capability of solving a number of retrograde-analysis chess problems of varying degrees of difficulty. Retrograde-analysis problems are exercises in deductive reasoning, entirely different from conventional 'mate-in-n-moves' chess problems, their nature being such that any type of …
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Application of Retrograde Analysis to Fighting Games
<p>With the advent of the fighting game AI competition, there has been recent interest in two-player fighting games. Monte-Carlo Tree-Search approaches currently dominate the competition, but it is unclear if this is the best approach for all fighting games. In this thesis we study the design of …
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Temporal Shifts in Weapon Focus: Comparing Retrograde and Anterograde Effects
<p>When an eyewitness suffers an impairment of memory for a criminal's face because the criminal used a weapon during the commission of the crime, this impairment is called the weapon focus effect. Literature provides two explanations for how this effect arises: some implicate the narrowing of …
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Retrograde regulation of activity-dependent synaptic growth by Synaptotagmin 4
… suggesting a role in Ca2+-dependent release of retrograde signals. Here we demonstrate that fusioncompetent Syt 4 vesicles localize postsynaptically in Drosophila central nervous system (CNS) neurons, suggesting Syt 4 may be a general regulator of postsynaptic vesicle trafficking. Syt 4 mRNA and …
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Retrograde Activation of a Somatic Transcriptional Program Regulates Distal Axon Degeneration
<p>During development of the peripheral nervous system, sensory axons extend to the periphery in excess where they compete for limiting target-derived neurotrophic support. Local neurotrophin insufficiency triggers axon degeneration, resulting in the pruning of over half of all sensory axons during …
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Retrograde Ausdrückversuche am bovinen Femurkondylus zur Testung der Implantatverankerung spongiöser Konstrukte
Die Arbeit befasst sich mit der Suche nach einer idealen Verankerungsmöglichkeit spongiöser Konstrukte in der Femurkondyle adulter Rinder. <br>Ziel ist es für die spätere klinische Anwendung ein Verfahren zu erproben, daß eine stabile und doch technisch einfache Verankerung gewährleistet, um durch …
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Cordierite and its retrograde breakdown products as monitors of fluid-rock interaction during retrograde path metamorphism : case studies in the Schwarzwald and the Bayerische Wald (Variscan belt, Germany)
Retrograde breakdown products of cordierite are commonly termed pinite, but their modes, compositions and formation conditions are only poorly known. A systematic study on pinitised cordierite from high-temperature metamorphic pelites of the Schwarzwald and the Bayerische Wald using electron …
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The role of endoscopic retrograde pancreatography in the management of pancreatic trauma
Background: Endoscopic retrograde pancreatography (ERP) has various applications in the diagnosis and management of pancreatic trauma. The utility of ERP in pancreatic trauma presenting to a level 1 equivalent trauma centre was analysed. Methods: Patients who sustained pancreatic trauma and …
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Mitigation of intrarenal pressure in retrograde intrarenal surgery with a novel isoprenaline eluting guidewire
… therapeutic techniques available, including retrograde intrarenal surgery (RIRS). Over the years, leading urological associations have progressively broadened the criteria for RIRS in the surgical treatment of urolithiasis. While it offers enhanced stone-free rates relative to shockwave …
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Retrograde melting in transition metal-silicon systems : thermodynamic modeling, experimental verification, and potential application
… framework is presented in this work for retrograde melting in silicon driven by the retrograde solubility of low-concentration metallic solutes at temperatures above the binary eutectic. High enthalpy of formation of point defects in silicon leads to retrograde solubility for a number of …
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Analysing the role of SAL1/PAP retrograde signalling within the circadian system of Arabidopsis thaliana
… a redox-sensitive component of the SAL1-PAP-XRN retrograde signalling pathway, and influences nuclear gene expression in response to stress by modulating the levels of its substrate, 3’-phosphoadenosine 5’-phosphate (PAP). PAP accumulates in chloroplasts under abiotic stress and inhibits the …
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THE ROLE OF SKELETAL MUSCLE-SYNTHESIZED BRAIN-DERIVED NEUROTROPHIC FACTOR IN RETROGRADE TRANSPORT ALONG MOTORNEURON AXONS
… that skeletal muscle-BDNF is required for normal retrograde transport of proteins and mitochondria along gastrocnemius-associated motorneuron axons. We first measured accumulation of the retrogradely transported phosphorylated neurofilament-H (NF-H-P) protein at distal motorneuron axons in young …
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Spinothalamic tract neurons in laminae I, III and IV of the rat: a retrograde neuronal tracing study
… in injection sites in many previous quantitative retrograde tracing studies of the spinothalamic tract. Therefore, one of the reasons to conduct the present study was to estimate the number of the spinothalamic cells in lamina I in rat cervical and lumbar enlargements following injections that …
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