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.
Results
Showing 1 to 15 of 15 for “"dislodgement"”.
-
Sources and supply of kelp detritus : quantifying mechanisms of production
… contribution of erosion of frond material and dislodgement of whole thalli to detritus production; and the relationship between kelp dislodgement and peak water velocities, implemented with a kelp dislodgement model. The initial work in chapter 1 revealed that only size (total area), not …
-
ECOLOGY OF ROCKY SUBTIDAL COMMUNITIES: THE ROLE OF MODIOLUS MODIOLUS (L) AND THE INFLUENCE OF DISTURBANCE, COMPETITION, AND MUTUALISM
… storm-generated disturbance caused massive dislodgement of mussels competitively overgrown by kelp, and could account for the scarcity of Modiolus at shallow depths. The hypothesis that by grazing kelp off mussels urchins decrease the risk of mussel dislodgement was tested by an urchin …
-
Retrieving a Stent Navigating Deep Complications
… a distal lesion. During the advancement, stent dislodgement from the guidewire, with entrapment in the struts of the previously placed stent and migration to the proximal aorta, was identified. A multisnare device was used for stent retrieval, with embolization to the right femoral artery during …
-
The influence of current and ripple development on seagrass transplant survival
… ripples were characterized and related to the dislodgement of transplants from the sediment. The use of staples decreased the number of transplants that were dislodged. At lower velocities, transplant survival was further improved when the anchoring staple was oriented parallel to the direction …
-
What’s Race Got to Do with It? Race, Gender, and Sexual Politics in East Asian Americans’ Interracial/-Ethnic Relationships
… unions can facilitate both the adoption and dislodgement of ideologies that buttress the racial status quo. Together, these chapters reveal how the private realm of romance is deeply imbricated in public struggles over race, gender, and power.
-
The Effect of Flow on Burrowing in Juvenile Freshwater Mussels (Bivalvia, Unionidae)
… of freshwater mussels; it helps to prevent dislodgement from the sediment, and it reduces the risk of predation. In this study the burial time and orientation of juvenile mussels were tested in response to flow and substrate in a recirculating flow tank. Two species were compared: a habitat …
-
High-Fidelity Numerical Simulation of Shallow Water Waves
… due to presence of coastal vegetation, boulder dislodgement and displacement by long waves, and tsunamis generated by an asteroid impact --- in risk assessment of tsunamis. I employ depth-integrated shallow water equations and Serre-Green-Naghdi equations for solving the problems and compare …
-
An analysis of the establishment and impact of an exotic insect, Rhinocyllus conicus Froehling (Coleoptera: Curculionidae), on Carduus nutans L. and Carduus acanthoides L. (Campanulatae: Compositae) in Virginia with notes on their biologies
… during the egg stage (58.3%). Mechanical egg dislodgement was not a major mortality factor. Ege and/or adult parasitism was not observed. Aliolus curculionis, Bracon mellitor, and Campoplex polychrosidis parasitized the weevil larvae and pupae. Twelve other possible parasites were collected. …
-
Echogenic Biomaterials for Medical Ultrasound Tracking
… complications due to thrombosis or accidental dislodgement from poor at-home care. Routinely, elderly patients will be forced to revisit the hospital to have the catheter replaced using x-ray imaging, exposing them to hospital borne illness. Catheters with the capability to be tracked without …
-
Quantification of biomass in a biooxidation system
… have had limited success in achieving dislodgement of all the attached bacteria. However, the results have shown that desorption of the bacteria from the mineral surface is possible. Indirect methods involve the monitoring of a cell component such as protein, nitrogen and carbon. …
-
Quantification of biomass in a biooxidation system
… have had limited success in achieving dislodgement of all the attached bacteria. However, the results have shown that desorption of the bacteria from the mineral surface is possible. Indirect methods involve the monitoring of a cell component such as protein, nitrogen and carbon. …
-
Video assisted gastrostomy in children
… gastric contents into the abdominal cavity, tube dislodgement, gastro-colic fistula or severe haemorrhage. Complications discussed below are therefore to be characterized as minor and include local infections, leakage and development of granulation tissue. Based on our studies, we have found that …
-
Numerical and experimental evaluation of the erodibility of particle packings with surface treatments and spring reinforcements using the discrete element method
… failure or erosion at a much higher rate. Dislodgement and subsequent erosion of particles occurred at higher fluid velocities (over 50% higher for the highest straw application rate) when the surface treated cases were compared to the untreated cases. Conclusions drawn from the simulation …
-
Partitioning along reproductive niche dimensions in sympatric New Zealand freshwater bivalve species
… bank habitats apparently providing resistance to dislodgement. This research provides critical information on the reproductive biology and partitioning of reproductive niche dimensions associated with the coexistence of sympatric E. aucklandica and E. menziesii. The findings will assist in the …
-
Natural patterns and anthropogenic disturbance in north Adriatic marine benthic assemblages: descriptive and methodological studies
… a change in habitat complexity due to a natural dislodgement or structure cleaning of mussels that colonize their legs. The accumulation of mussels on the sediment reasonably affects benthic infauna composition. All the components of the study presented in this thesis highlight the need to …