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 21 for “"spatial diffusion"”.
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An Examination of Factors Influencing the Temporal-Spatial Diffusion of Soybean Production in Illinois, 1930-1968
Made available in DSpace on 2014-12-10T23:41:26Z (GMT). No. of bitstreams: 1 7207034.pdf: 6814371 bytes, checksum: 6625e2fd3cc495efdf29d6e8f8a2e9b1 (MD5) Previous issue date: 1971
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Adoption,impact and spatial diffusion of conservation farming among the small-scale farmers in Chipata District: The case of Southern agricultural farming block
… of CF among the SsF and (iv) to determine the spatial pattern of adoption of CF in the study area. Data were collected by interviewing a sample of SsF and some key informants who included CFU Officers, the District Agriculture officer, Agriculture Extension Officers, Farmer Coordinators and …
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Adoption,impact and spatial diffusion of conservation farming among the small-scale farmers in Chipata District: The case of Southern agricultural farming block
… of CF among the SsF and (iv) to determine the spatial pattern of adoption of CF in the study area. Data were collected by interviewing a sample of SsF and some key informants who included CFU Officers, the District Agriculture officer, Agriculture Extension Officers, Farmer Coordinators and …
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Identifying predictors of evolutionary dispersion with phylogeographic generalised linear models
… for the evaluation of multiple predictors of spatial diffusion. The standard phylogeographic generalised linear model formulation, however, assumes that rates of spatial diffusion are a noiseless deterministic function of the set of covariates, admitting no other unobserved sources of …
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Human Development and Regional Inequalities: Spatial Analysis Across Brazilian Municipalities
… policies, social policies should be spatially focused, instead of being applied universally across all municipalities. Third, a few spatial strategies are proposed as alternatives to implement 'pro-equality' policies. These strategies are based on the existence of spatial diffusion …
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Managing the transition toward self-sustaining alternative fuel vehicle markets : policy analysis using a dynamic behavioral spatial model
… behavioral, dynamic model with explicit spatial structure was previously developed to represent the most important AFV transition barriers. Using California as an illustrative testing region, the model simulates the spatial diffusion of entrant vehicle/fuel technology pairs individually …
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Political Institutions and Carbon Taxation
… in taxes on labor. Evidence is also found for spatial diffusion of ECT policies spreading outward from Northern Europe.
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Ecological Sensemaking in Organisations: Formative Experiences, Managerial Ambivalence, and the Precarious Embedding of Biodiversity and Nature Loss
… of meaningful ecological sensemaking despite spatial and symbolic distance from ecosystems. The second paper investigates how managers navigate sustainability-related tensions within organisations. Drawing on interviews with 44 sustainability professionals, it identifies three interrelated …
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A biomechanical investigation of the structure--function relationships in the human tongue
… organ. Tongue myoarchitecture was studied with Diffusion Tensor MRI (DTI), which derived the spatial diffusion tensor field in the tongue. Since, diffusivity relates directly to myofiber orientation, this in vivo technique successfully produced a virtual anatomical atlas. In order to relate this …
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Erfassung der Hämolyse mittels optischer Reflexionsspektroskopie
… blood. The optical sieve effect as well as the spatial diffusion of the red colored hemoglobin which dilutes in the plasma due to the rupture of erythrocytes causes a change of light scattering. The theoretical calculation of the influence is based on a modification of the Photon Diffusion …
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Microstructurally-based constitutive models of cytoskeletal networks for simulation of the biomechanical response of biological cells
… a framework for capturing time-dependent spatial diffusion of cytosol within a porous, visco hyperelastic filament network. The poroelastic behavior is coupled with the hyperelastic network behavior through a 3D biphasic theory that includes network swelling effects for finite deformations.
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A Dynamic Model of Land Use Change With Spatially Explicit Data
… space and time and are affected by time lags and spatial diffusion processes. Finally, our model introduces more of the complexities that characterize the decision process. Many of these complexities are assumed away in limited dependent variable models and only partially captured in survival …
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Organizing in times of global displacement and refugee crises
… intractability, referring to temporal and spatial containment. The paper however also sheds light on dynamics of temporal and spatial diffusion that assist in de-intensifying global wicked problems. The dissertation concludes with two overarching contributions that sketch opportunities for …
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Lower hybrid modeling and experiments on Alcator C-Mod
… of 1 MHz. HXR experimental results indicate a spatially broad and centered fast electron population. HXR profiles predicted by a synthetic diagnostic in the Fokker-Planck code CQL3D are narrower than the observed profiles, suggesting the importance of spatial diffusion of fast electrons in the …
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Intramural mechanics in the human tongue
… maps. Tongue myoarchitecture was studied with diffusion-tensor MRI. A slice select pulsed gradient stimulated echo pulse sequence was applied to derive the spatial diffusion tensor field in the tongue. Tensor eigenvectors and measures of anisotropy were used to derive a virtual anatomical atlas …
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The spatial and temporal diffusion of museums in New York City, 1910-2010
… insights from these findings indicate that the spatial diffusion of museums in New York is systematically patterned in relation to demographic changes. The final substantive chapter is devoted to exploring the possibility that institutional location impacts audience composition. I argue that …
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Poisson representation methods for stochastic models of chemical reactions
… investigated in detail (including the process of spatial diffusion) and the first two terms in a perturbative expansion for the spatial and two time correlation functions are calculated. A stochastic model of a chemical reaction which exhibits spatial and temporal oscillations is analysed below …
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Visualizing The Dynamics of Immune Surveillance In Brain Tumors By Intravital Multiphoton Microscopy
… decreased T cell recruitment, an increase in the spatial diffusion of the few BT-infiltrating T cells, and subsequent outgrowth of a fibrosarcoma BT, which spontaneously regresses in the brain of control wild type mice in a CD8 T cell dependent manner.</p> <p>In summary, by using novel intravital …
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Examining the spatial influences of natural capital in the Australian agricultural landscape
… and time. In particular, it explored: 1) the spatial influences on the adoption of certified organic farming (which is used as a proxy indicator of natural capital conservation technologies) at a regional level in Australia using agricultural census data from 2010/11 and 2015/16; 2) the …
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Three essays investigating post-bubble housing market: prices and foreclosures
… by foreclosures. This study focuses on the spatially heterogeneous impacts of foreclosures on nearby property values, an issue that has been overlooked in the literature. First, using a standard ordinary least square model, each additional foreclosure within 0.1 mile that goes through an …
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