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 392 for “"scavenging"”.
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Examination of Scavenging Associated with Wolves
… factors for forensic anthropologists is animal scavenging and the damage this inflicts on the skeleton. The types of scavengers present vary from region to region, and in the Northwest, large carnivores such as bears, mountain lions, and canids are abundant. These types of carnivores can not …
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Examination of Scavenging Associated with Wolves
… factors for forensic anthropologists is animal scavenging and the damage this inflicts on the skeleton. The types of scavengers present vary from region to region, and in the Northwest, large carnivores such as bears, mountain lions, and canids are abundant. These types of carnivores can not …
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Bubble scavenging in Hele-Shaw cell
… Previous experiments and models for bubble scavenging have focused on bubbles rising in unconfined flow and in narrow microfluidic channels. However, precisely how scavenging is affected by confinement in only a single direction is largely unknown. In this study, experiments and theoretical …
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Vapor scavenging by atmospheric aerosol particles
Particle growth due to vapor scavenging was studied using both experimental and computational techniques. Vapor scavenging by particles is an important physical process in the atmosphere because it can result in changes to particle properties (e.g., size, shape, composition, and activity) and, …
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Scavenging of atmospheric particles by water drops
… The collision and collection efficiencies of scavenging due to particle inertia and to the velocity gradient of the flow field are then computed for water drops ranging from 0.1 to 1.0 mm in radius and for particle of 1 - 10 µ in radius. The results obtained in this work are in good agreement …
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Sphingolipids in Toxoplasma gondii; synthesis and scavenging
Toxoplasma gondii is a globally endemic parasite which can cause severe illness in animal livestock and humans. Currently there are no effective drug treatments which do not have severe side effects and therefore the search for new drugs is of significant importance. Sphingolipids have been shown …
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Energy scavenging system for indoor wireless sensor network
… on humans. This technique is known as energy scavenging. The logic behind energy scavenging is to allow the device to have its own reliable source of energy that does not require upkeep, has a long life expectancy, and does not completely rely on an internal power source. The aim of this …
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PAH radical scavenging in fuel-rich premized benzene flames
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1999.
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Modelling the scavenging process in a two-stroke I.C. engine
… engine performance is its gas exchange process (scavenging process). The success of the scavenging process greatly affects the thermodynamic properties of cylinder content at the trapping conditions and hence the combustion and power output. The unsteady gas flow in engine pipes has a marked …
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Stealing, scavenging, or storing? Breeding behaviors of unisexual Ambystoma salamanders
… using a combination of breeding, spermatophore scavenging, and sperm storage to reproduce. Unisexual salamander breeding is a genetically and behaviorally complex process, and their ecological success may be due to the diversity of their reproductive strategies.</p>
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Scavenging and transport of thorium radioisotopes in the North Atlantic Ocean
… to settling particles, a process referred to as “scavenging.” Radioisotopes of thorium, a highly particle-reactive element, have been used extensively to study scavenging in the ocean. However, this process is complicated by the highly variable chemical composition and concentration of particles …
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A study of energy scavenging strategy in a tapping tree power
Energy harvesting has become one of the newest research attraction for both academic and industry fields. The energy is captured from external sources (thermal, wind, solar, vibration and hydrodynamic) and the energy source for energy harvesters is present as ambient background and it is free. The …
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Scavenging and transport of thorium radioisotopes in the North Atlantic Ocean
… to settling particles, a process referred to as "scavenging." Radioisotopes of thorium, a highly particle-reactive element, have been used extensively to study scavenging in the ocean. However, this process is complicated by the highly variable chemical composition and concentration of particles …
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Scavenging of particulate and dissolved lead compounds by coprecipitation with manganese oxyhydroxides
Mn is a geochemically important element that contributes significantly to the cycling of heavy metals. During precipitation, Mn oxyhydroxides scavenge many heavy metals, including Pb, in a variety of natural environments. Because of this phenomenon, the precipitation of Mn oxyhydroxides may provide …
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The systematic study of corrosion and oxygen control by chemical scavenging agents
… efficiencies of five commercially available scavenging agents in their control of dissolved oxygen and metal corrosion. Both laboratory and large-scale field studies were done to provide more conclusive information and to offer recommendations on various treatment schemes. The overall results …
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Lyso-PC and macrophage interplay. Scavenging through the fatty side of atherosclerosis
Atherosclerosis is triggered by LDL entrapment in the vessel wall. Oxidation and enzymatic processing of LDL give rise to inflammatory mediators such as lyso-PC. These inflammatory mediators attract monocytes into the vessel wall where they differentiate into macrophages. The macrophages adopt …
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Optimizing the scavenging system for high efficiency and low emissions: a computational approach
… SI and Diesel engines. A two-stroke scavenging process recharges the engine and is key to realizing the efficiency and emissions potential of the device. To ensure that the engine's performance goals can be achieved the scavenging system was configured using Computational Fluid …
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Destruction of biological tetrapyrrole macrocycles by hypochlorous acid and its scavenging by lycopene
… dietary carotenoid displays excellent HOCl scavenging property. Owing to the extensive hyperconjugation in its structure, one molecule of lycopene theoretically has the</p> <p>capability to scavenge 39 molecules of HOCl. Currently the only known biomarker of HOCl is 3-chlorotyrosine and 3, …
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