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 20 of 132 for “"multi-species"”.
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Sedimentation of multi-species particles
Includes bibliographical references.
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Biotic and abiotic mechanisms shaping multi-species interactions
… community structure, which makes the study of multi-species interactions critical for understanding the ecology and evolution of organisms. This dissertation includes four data chapters that examine the biotic and abiotic mechanisms that shape multi-species interactions in both tropical and …
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Hydrodynamic behaviour of active and multi-species exclusion processes
… large-scale collective behaviour in active and multi-species systems. We first focus on the effects of volume exclusion using the method of matched asymptotics on a multi-species exclusion process. This results in a cross-diffusion system of partial differential equations (PDEs) that captures …
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Non-Equilibrium Pattern Formation in Multi-Species Interacting Particle Systems
… these fluctuating patterns in complex systems of multiple species of particles. We focus our study on three different types of non-equilibrium systems with complex pattern formation. In Chapter 3, we study several different lattice-based models where two species of diffusing particles are driven …
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A stand level multi-species growth model for Appalachian hardwoods
… hardwoods. The model allows prediction by species groups and diameter classes. Stand attributes ( basal area per acre, trees per acre, minimum stand diameter, and arithmetic mean dbh) were projected through time for the whole stand and for individual species groups. Future diameter …
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Developing a gene model for simulations that incorporates multi-species conservation
… mutations was modeled by utilizing the cross-species conservation of each region. The combined distribution of variants by their frequency over 500 genes was compared between the simulated genes and the corresponding empirical data. This distribution of variants between the simulated and …
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Particle-resolved simulations of immersion freezing with multi-species ice nucleating particles
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-05-01
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LiNaK : multi-species apparatus for the study of ultracold quantum degenerate mixtures
… presented, in particular the addition of a new species ²³Na, which has enabled the study of the Bose-Fermi mixture ²³Na-⁴⁰K. Three main experimental benchmarks are outlined: first, the production of a Bose-Einstein Condensate of ⁴¹K is discussed and an evaluation of its properties as a coolant …
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Situating documentary film in a speculative future: an exploration in multi species entanglements
… on what it means to be human in an entangled multispecies world. The research consists of A Terrible Beauty, a feature length documentary, and this dissertation. The film was largely shot in Yiwu, home to one of the largest wholesale markets in the world and an important node in the New Silk …
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Multi-Species Models of Time-Varying Catchability in the U.S. Gulf of Mexico
… and density independence assumptions using multi-species data for seven stocks and four gears in the U.S. Gulf of Mexico. This study also develops a multi-species methodology to compensate for failures of either assumption. To evaluate catchability assumptions, abundance-at-age was …
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A multi-species analysis of biomechanical responses of the head to a shock wave
… mortem human subject were analyzed. Each of the species was exposed to multiple shock waves within a shock tube. Skull strain was measured using strain gages and intracranial pressure was measured using fiber optic pressure sensors. The effect of orientation was also addressed for the cadaver and …
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Walking the bridge from single- to multi-species approaches in Southern African fisheries management
… consequences), that is typically based on single-species stock assessment models. This thesis is an attempt to walk the bridge from single- to multi-species approaches to fisheries management by developing a ''traditional" single-species stock assessment model that is used for management purposes, …
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Hippopotami in a liminal space: a multi-species ethnography of Lake Tanganyika in Bujumbura
… with little regard for the well-being of multi-species communities. The study contrasts the ideas that drive economy-based approaches to development and environmental management with the many engagements with the lake, and how this in turn affects human-hippo relations on Lake Tanganyika's …
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Multi-species genome-wide CRISPR screens identify conserved suppressors of cold-induced cell death
… active site. Our findings are extended across multiple cell lines and cell types across six species. Taken together, our results suggest that GPX4 may be a powerful and conserved suppressor of cold-induced cell death. Building on our initial findings, we go on to show that cold exposure leads …
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The Portfolio Analysis for Multi-species Fisheries Management in New Zealand: An Application in a Fishing Firm
… years, maintaining the stock level of marine species and the sustainability of fisheries development have become critical issues in current scientific research due to over-harvest. The traditional method used to manage fisheries is the single species approach where policy is aimed at maximum …
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Understanding the eco-evolutionary dynamics underpinning changes in air-liquid interface biofilms in radiating populations and multi-species communities
… the complexity of microbial communities, where multiple species exist together and selective pressures may alter community composition, dynamics and emergent properties. Such better developed models can help understand changes in diverse natural occurring communities, enhancing our understanding …
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Multi-species models of Antarctic krill predators : do competitive effects influence estimates of pre-exploitation whale abundance and recovery?
Includes abstract. Includes bibliographical references (leaves 92-111).
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Modeling biotic and abiotic decay of trichloroethylene (TCE) using the Reactive Multi-Species Transport in 3-Dimensional Groundwater Aquifers (RT3D) code
… transforms TCE into acetylene using reduced iron species as an electron donor. Furthermore, oxidized iron produced from the abiotic process can be converted back into the reduced form by iron reducing bacteria using lactate as a donor. These feedbacks between the biotic and abiotic processes can …
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Statistical theory of selectivity and conductivity in narrow biological ion channels : studies of KcsA
… conductivity and strong selection between ionic species. This process involves many complicated interactions, and their inclusion in a multi-species conduction model remains a fundamental theoretical challenge. In this thesis, we derive the theory of multi-species ionic conduction through narrow …
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