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 16 of 16 for “"EHA"”.
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Diffusion of Environmental Protection Single-Use Plastic Bags Ban Policy in California
… or countries, the concept of policy adoption behavior, policy diffusion patterns, and the mechanism of policy diffusion have been extensively studied, and their application has been extended to other fields of policy research. Due to ambiguous economic benefits and the inability to observe the …
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Synthesis and Characterization of Responsive Poly(Alkyl Methacrylate) Topologies
… (PSA) copolymers based on 2-ethylhexyl acrylate (EHA) were synthesized containing cleavable branching comprised of either DHDMA or DCDMA. Extremely high molecular weight branched polymers were obtained, and these branched adhesives exhibited 180° peel strengths that displayed a strong dependence …
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An Event History Analysis on the Effects of Academic Integration Factors on Degree Completion of Low-Income Underrepresented Minority Students
… this study utilized Event History Analysis (EHA). EHA characterized the probability that a student would graduate or drop out during the study period and modeled the probability as a function of targeted covariates using discrete-time logistic regression. Results indicated that students were …
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Quarternary Alluvial Deposition in the Upper Green River Valley, Kentucky
… alluvium (LHA), an Early Holocene alluvium (EHA), and a Dissected Quaternary terraces (DQT). Equivalent LHA, EHA, and DQT units were recognized downstream at the UGRBP study site. During the Pleistocene and Early Holocene epochs the Upper Green River experienced periodic entrenchment as …
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Comprobación de la eficacia de la realcalinización y de la extracción electroquímica de cloruros como métodos de rehabilitación de las estructuras corroídas de hormigón armado
… de las estructuras de hormigón armado (EHA), que exigen el reemplazamiento del hormigón carbonatado o contaminado por cloruros y la limpieza a fondo de las armaduras, por otros procedimientos, menos costosos y nocivos para el ambiente y para los operarios, representaría un logro …
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Emotional or Behavioral Disorder (EBD) and restrictive placement: an analysis of systems of oppression in research, practice, & policy.
… the Education for all Handicapped Children Act (EHA; now known as IDEA), special education or de facto special education practices have been informed by systems of oppression such as racism and ableism. Within this context, students from racially-minoritized backgrounds have been …
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Heterologous Expression of Arabidopsis Thaliana Purple Acid Phosphatase Gene (Atpap15) in Crops for Phytoremediation of Sites Contaminated with Excess Phosphorus
… by infection by Agrobacterium tumefaciens strain EHA 105 for TDNA transfer. The construct used was pCAMBIA1302 harboring mGFP reporter gene. The construct also contained kanamycin, rifampicin and chloramphenicol selection markers. Confirmation of mGFP expression in the transformed alfalfa seedling …
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The Development of a Conceptual Framework for Hybridity and Sustainability in Social (Micro-) Franchises
… grounding through event history analysis (EHA) of selected South African social franchise. The resulting Conceptual Framework for Hybridity and Sustainability in Social (Micro-) Franchises comprises three interlinked layers. The Franchise System Layer focuses on structure, replication, and …
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Modification of the mechanical properties of synethetic hydrogels by various techniques
… applied to dry rubbers. Terpolymers containing EHA or styrene show particularly high tearing energies at a given mol % hydrophobic monomer. The homo-IPN hydrogels were translucent.
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The relationship between financial aid and on-time degree completion for accounting students at a South African university
… study applying Event History Analysis (EHA) and the Input-Environment-Output (I-E-O) model (Astin, 1993). A logistic regression within a discrete-time model with a personperiod dataset was performed. Data from the 2013 to 2018 UCT student records formed the basis of this research with a …
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An analysis of the medical and legal aspects related to the educational placement in the public schools of children with human immunodeficiency virus infection
… issues of the Education of the Handicapped Act (EHA) and Section 504 of the Rehabilitation Act of 1973; and an examination of the constitutional issues pertinent to educational placement of children with AIDS. Case law “in point” or “analogous” to the issue was presented. The concluding chapter …
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Photo-reactive Surfactant and Macromolecular Supramolecular Structures
… acrylic terpolymers of 2-ethylhexyl acrylate (EHA), 2-hydroxyethyl acrylate (HEA), and methyl acrylate (MA) functionalized with hydrogen bonding and photo-reactive functionalities. The synergy of hydrogen bonding and photo-reactivity resulted in higher peel values and rates of cinnamate …
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Quitinases de tomateiro (Solanum lycopersicum L.): identificação, caracterização e atividade no controle do Fusarium oxysporum f. sp. lycopersici
… genética via Agrobacterium tumefaciens, estirpe EHA 105, sob o controle do promotor 35S de CaMV duplicado, superexpressando esse gene. Mudas transgênicas (T0) foram confirmadas por PCR, usando primers específicos, para o transgene e a frequência de transformação obtida foi de 7%. A transformação …
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Policy Diffusion in U.S. Hazard Mitigation Planning: An Intergovernmental Perspective
… at the county level. The Event History Analysis (EHA) Logit Model and Spatial Autocorrelation Models test the hypotheses corresponding to external factors such as the neighboring effects and internal factors, including disaster risks, neighborhood disadvantage and affluence, government capacity, …
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Influencia de la composición de distintos hormigones en los mecanismos de transporte de iones agresivos procedentes de medios marinos
… The main aim of this thesis was to study the behavior of sulfate resistant cement with mineral additions and slag cement compared to sulfate resistant cement. We have studied their mechanical and durable evolution in aggressive environments containing chloride, sulfate and magnesium, which are …
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Investigation of Acceleration Dependent Nonlinear Lubricated Friction in Hydraulic Actuation Systems
Lubricated friction issues are central to all hydraulic actuation systems undergoing motion and any in-depth understanding of the nature of lubricated friction will advance future component design. The classic friction models of hydraulic actuation systems under steady state conditions and their …