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 1559 for “"degraded"”.
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Bodies Degraded by Friction
Bodies Degraded by Friction is a collection of poetry existing in finite spaces. The first section, “A Moment and a Moment and a Moment," attempts to capture in words small passages of time as simple as clicking through a Facebook photo album and as destructive as new love. The second section, …
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Acclimating across healthy and degraded reefs
… how these species cope in healthy versus degraded environments. We found that the fish E. merra exhibits plasticity in diet and feeds lower in the food chain in fished reefs than similarly sized conspecifics in protected reefs. The seaweed S. polycystum exhibits plasticity in defensive …
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Remote sensing approaches for degraded soil monitoring
La degradación del suelo compromete funciones ecosistémicas esenciales, lo que hace necesaria la implementación de métodos eficaces de monitoreo. Esta tesis doctoral investiga enfoques de teledetección pasiva para caracterizar y monitorizar suelos degradados en diversos contextos. El objetivo …
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Crash Analysis of Degraded Concrete Containment Structures
Dry storage casks are composite structures made of an inner steel liner and a concrete outerpack that houses the basket of the spent nuclear fuel bundle. The concrete of dry cask structures will degrade due to the natural aging and the environmental effect shrinkage, creep, heat transfer, moisture …
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Mechanical properties of degraded PMR-15 resin
Thermo-oxidative aging produces a non-uniform degradation state in PMR-15 resin. A surface layer, usually attributed to oxidative degradation, forms. This surface layer has different properties from the inner material. A set of material tests was designed to separate the properties of the oxidized …
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Assessing the potential of biochar to restore degraded lands
… the potential of biochar to restore severely degraded land by improving soil properties and crop productivity and mitigating climate change through carbon sequestration at the Lapalala Wilderness Reserve, Waterberg District, Limpopo Province, South Africa. For this purpose, four treatments …
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Assessing the potential of biochar to restore degraded lands
… the potential of biochar to restore severely degraded land by improving soil properties and crop productivity and mitigating climate change through carbon sequestration at the Lapalala Wilderness Reserve, Waterberg District, Limpopo Province, South Africa. For this purpose, four treatments …
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Children's Perception of Speaker Identity from Spectrally Degraded Input
… speaker recognition in the context of spectrally degraded sentences. The listeners of interest were child implant users who were prelingually deaf as well as hearing children and adults who listened to speech via vocoder simulations of implant processing. Study 1 focused on child implant users' …
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Biodiversity-ecosystem service relationships in degraded and recovering ecosystems.
Biodiversity loss is occurring at an unprecedented rate and most of this loss is due to human induced pressure. This loss in biodiversity had led to concerns that the provision of ecosystem services that humans depend upon might be negatively affected. As such much modern conservation science …
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In vitro inflammatory response evaluation of pre-degraded bioresorbable polymers
… (PLLGA), was validated. Polymer samples were degraded in phosphate-buffered saline (PBS), under sterile conditions. Degradation temperatures of 47°C, 57°C and 70°C were selected and compared to physiological temperature, 37°C. At predetermined time intervals, samples were retrieved and …
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Single Nucleotide Polymorphisms:Characterisation and Application to Profiling of Degraded DNA
… used to resolve the problem of DNA typing from degraded samples. It has been found in previous studies that when profiling heavily degraded forensic samples the small amplicon required for SNP analysis has an advantage over the larger STR loci, which are routinely used in forensic case work. A …
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Ultrasonic wave propagation in thick, layered composites containing degraded interfaces
… of thick, layered composites containing degraded bonds is investigated. A theoretical one-dimensional model of three attenuative viscoelastic layers containing two imperfect interfaces is introduced. Elastic material properties and measured 'values of ultrasonic phase velocity and …
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Tīmata whakaora, kickstarting recovery - Using bivalves to bioremediate degraded estuarine sediments
… on ecosystem services that they provide. Once degraded, natural recovery can take years due to the loss of long-lived, functionally important benthic species. These species are important in maintaining internal feedback loops, thereby facilitating resilient communities that underpin critical …
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Retrofitting of Mechanically Degraded Concrete Structures Using Fibre Reinforced Polymer Composites
… the short term loaded behaviour of mechanically degraded reinforced concrete (RC) flexural elements, which are strengthened with fibre reinforced polymer (FRP) composites. The two main objectives have been: (a) to conduct a series of realistic tests, the results of which would be used to …
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Human-guided management of collaborating unmanned vehicles in degraded communication environments
… the robustness of UAS performance under degraded communication conditions through simulation with a particular futuristic UAS, the On-board Planning System for UxVs in Support of Expeditionary Reconnaissance and Surveillance (OPS-USERS) system. The availability of reliable communications …
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The human dimensions of restoring degraded forests and lands : case of Cameroon
… loss. In response, efforts to restore degraded forests and lands is gaining momentum at the global and regional levels through ambitious commitments. However, the challenge is to translate these commitments to concrete large-scale actions on the ground. Many countries are currently …
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Phytoremediation: a tool for restoring land degraded due to opencast coal mining
This research set on a former reclaimed opencast coal spoil in Varteg Hills, South Wales, UK explores the phytoremediation potential of Alnus glutinosa (Alder), Betula pendula (Roth) (Birch) and Larix decidua (Larch), which are commonly used in UK land reclamation, to sequester metals: Zn, Cd, Mn, …
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Transformation of degraded forests into semi-natural production forests in northern Thailand
This study focussed on the degraded Deciduous Dipterocarp-Oak Forests (DDF) in northern Thailand. The aim was to provide information on site and stand conditions and to propose and assess improvement treatments to transform these forests into semi-natural production forests. <br>As a consequence of …
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