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  • Transcriptome profiling of Nitrosomonas europaea grown singly and in co-culture with Nitrobacter winogradskyi

    Creator:
    Pérez, José
    Abstract:
    In most environments, ammonia (NH₃) is oxidized to nitrate (NO₃⁻) via the intermediate nitrite (NO₂⁻). This is a microbe-driven process involving phylogenetically distinct types of microorganisms, namely, ammonia-oxidizing bacteria (AOB) and Thaumarchaea (AOA), and nitrite-oxidizing bacteria (NOB). Nitrosomonas europaea and Nitrobacter winogradskyi are the best studied AOB and NOB, respectively,...
    Resource Type:
    Masters Thesis
    Full Text:
    THESIS OF José Pérez for the degree of Master of Science in Microbiology presented on March 20, 2014

  • Enhanced-accuracy oversampled data converters

    Creator:
    Ceballos, Jose Luis
    Abstract:
    Digital-to-analog converters (DACs) suffer from static and dynamic nonlinearity problems, which degrade their accuracy and performance. Mismatch errors in the analog components restrict the maximum achievable linearity. This thesis presents various techniques for correcting these errors. It describes a correction process for the nonlinear behavior of DACs, on three different...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF José Luis Ceballos for

  • Factors that motivate Latino students to pursue higher education in selected colleges in the state of Oregon

    Creator:
    Meza Discua, José Luis
    Abstract:
    Latinos are the largest and most rapidly growing ethnic minority in the United States, and they have the highest dropout rates of any major ethnic group in the country (U.S. Department of Labor, 2003). Latinos' educational attainment is consistently lower than that of other students (Gandara, 2008). The majority of...
    Resource Type:
    Dissertation
    Full Text:
    DISSERTATION OF José Luis Meza Discua for the degree of Doctor of Philosophy in Education presented on

  • Studies on the etiology and epidemiology of bull's eye rot of pears

    Creator:
    Henriquez, Jose Luis, 1961-
    Abstract:
    The objective of this dissertation is to introduce low-cost processing methods for the fabrication of ZnO transparent thin-film transistors (TTFTs). A novel method for depositing ZnO body layers via spin-coating of a zinc nitrate-based spin solution is presented. The processing conditions of spin-coated ZnO are optimized to produce continuous and...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Jose Luis Henriquez for the degree

  • Chingasos y Putasos : Examining Cultural and Structural Violence among Mexican American Youth

    Creator:
    Lerma, Zandro E.
    Abstract:
    In this thesis, I examine Johan Galtung’s theory of violence and discuss how his concepts of cultural and structural violence helps explain the problem of direct violence among Mexican American youth. I argue that cultural violence, mainly dominant narratives of colonialism and masculinity, cause some Mexican American youth to act...
    Resource Type:
    Masters Thesis
    Full Text:
    : ___________________________________________________________ Jose-Antonio Orosco Abstract In this thesis, I

  • Respecting one’s abilities, or (post)colonial tokenism? : Narrative testimonios of faculty of color working in predominantly white community colleges

    Creator:
    Samano, Michael Luis
    Abstract:
    The purpose of this research project was to gain a deeper understanding of the lived experience of faculty of color. More specifically, this project explores how diversity-related workload expectations impact faculty of color who work in predominantly white community colleges. Known by various descriptors, the term used in this research...
    Resource Type:
    Dissertation
    Full Text:
    diaries of Simón Bolívar or José Martí. Over the past generation the focal points of the testimonio have

  • Exploring Vulnerability and Scarcity of Groundwater Resources in Quintana Roo, Mexico

    Creator:
    Iglesias Thome, Maria Jose
    Abstract:
    This study examined water scarcity and vulnerability in Quintana Roo, along the northern Caribbean coast of Mexico where rapid growth of tourism in the past 40 years has limited the ability of rural and urban communities to obtain safe, reliable, and equitable access to water services and critical water infrastructure...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Maria Jose Iglesias

  • Representationally Robust and Scalable Learning over Relational Databases

    Creator:
    Picado Leiva, Jose Manuel
    Abstract:
    Learning novel concepts from relational databases is an important problem with applications in several disciplines, such as data management, natural language processing, and bioinformatics. For a learning algorithm to be effective, the input data should be clean and in some desired representation. However, real-world data is usually heterogeneous – the...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Jose Manuel Picado Leiva

  • The benefits of diversified agricultural systems among Maya Mopan farmers in southern Belize

    Creator:
    Hofbauer, Derek M.
    Abstract:
    Maya Mopan farmers in southern Belize face socio-economic hardships, persisting environmental constraints, and an unfavorable political climate that has prevented land tenure stability on reservation lands. This thesis describes the agricultural practices of a group of Mopan farmers and examines farm-site diversification and its relationship to ecological knowledge, out-migration, agricultural...
    Resource Type:
    Masters Thesis
    Full Text:
    people in San Jose Village for their warm hospitality and contributions to this thesis. Luis and Gavino

  • Change in Hydraulic Conductivity of Expansive Soils

    Creator:
    Hesseltine, Johnathon
    Abstract:
    Swelling soils cause millions of dollars of damage to buildings every year in the Unites States alone. One essential piece to understanding these soils is to understand how water moves through them. Hydraulic conductivity is a measure of how easily water flows through a soil. Currently, the most common method...
    Resource Type:
    Honors College Thesis
    Full Text:
    Stewart, Ryan D., Majdi R. Abou Najm, David E. Rupp, John W. Lane, Hamil C. Uribe, José Luis Arumí, and