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  • Soil survey at Camp Polk – analysis according to vegetation composition

    Creator:
    Schmidt, Nadja and Sinclair, Kim
    Abstract:
    Restoration ecology seeks to incorporate entire ecosystem functioning; primarily attempting to repair what has been degraded or altered. In order to reinstate ecological processes, biotic and abiotic components must be included, such as flora, fauna, hydrology, and of course, soil. Soil provides many functions in which all aspects of life...
    Resource Type:
    Poster
    Full Text:
    , G. B., Raaijmakers, C. E., and Van Der Putten, W. H. 2004. Plant community development is affected

  • Cryptanalysis and enhancement of authentication protocols

    Creator:
    Kim, Minho
    Abstract:
    Authentication protocols play important roles in network security. A variety of authentication protocols ranging from complex public-key cryptosystems to simple password-based authentication schemes have been proposed. However, currently there is no fully secure authentication scheme that can resist all known attacks. When a user authentication is performed over an insecure...
    Resource Type:
    Dissertation
    Full Text:
    Schmidt, and Greg Baker for their serving in my graduate committee. I would like to thanks my colleagues

  • The structure of E6

    Creator:
    Wangberg, Aaron D.
    Abstract:
    A fundamental question related to any Lie algebra is to know its subalgebras. This is particularly true in the case of E6, an algebra which seems just large enough to contain the algebras which describe the fundamental forces in the Standard Model of particle physics. In this situation, the question...
    Resource Type:
    Dissertation
    Full Text:
    , referred to as multiplication, such that 1. ∃ e ∈ G such that x · e = x = e · x ∀x ∈ G 2. ∀x ∈ G, ∃x−1

  • Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

    Creator:
    White, Angelicque E.
    Abstract:
    The biological transformation of dinitrogen gas (N2) into combined forms(termed N2 fixation) by certain genera of oceanic cyanobacteria represents the largest incoming flux of nitrogen to the global ocean. As such, biological nitrogen fixation plays a significant role in the regulation of oceanic productivity and the export of carbon and...
    Resource Type:
    Dissertation
    Full Text:
    OF THE DISSERTATION OF Angelicque E. White for the degree of Doctor of Philosophy in Oceanography

  • How do engineering students develop and reason with concepts of electricity within a project-based course?

    Creator:
    Bledsoe, Karen E.
    Abstract:
    Reform in science education has often emphasized task-based learning as an instructional method to improve student understanding and retention of concepts, and to promote the development of reasoning and problem-solving. Yet studies assessing student knowledge at the beginning and end of a task-based class show mixed results. Students in task-based...
    Resource Type:
    Dissertation
    Full Text:
    OF THE DISSERTATION OF Karen E. Bledsoe for the degree of Doctor of Philosophy in Science

  • Effects of wildfire on growth and demographics of coastal cutthroat trout in headwater streams

    Creator:
    Heck, Michael P.
    Abstract:
    Wildfire is a largely terrestrial perturbation broadly recognized as an agent of disturbance and ecological change in forested biomes. Effects of post-fire conditions on biotic components of aquatic systems have been less well-documented, although hypothetically, the two are strongly connected. In fact, the influence of wildfire may be most profound...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: _____________________________________________________ Robert E. Gresswell Wildfire is a

  • Structure-function analysis of the vaccinia virus I7L proteinase

    Creator:
    Moerdyk, Megan J.
    Abstract:
    Vaccinia virus is the prototypic member of the Orthopoxvirus genus. It undergoes a complex replication process where a key step in the transition from immature virion to intracellular mature virion is the cleavage of the major core protein precursors. The product of the I7L open reading frame (ORF) is a...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: ______________________________________________________________ Dennis E. Hruby

  • An emerging role for the exocyst : plant morphogenesis

    Creator:
    Cole, Rex A.
    Abstract:
    Plants develop a vast array of cell shapes and sizes by selectively modifying their surrounding cell walls to expand in some regions and not in others. This process of morphogenesis requires the delivery of secretory vesicles to specific locations at the cell periphery, where exocytosis adds new membrane and proteins...
    Resource Type:
    Dissertation
    Full Text:
    approved: ______________________________________________________________________ John E. Fowler

  • Regeneration and growth of several canopy tree species in the Maya Forest of Quintana Roo, Mexico : the role of competition and microhabitat conditions

    Creator:
    Sorensen, NaDene S.
    Abstract:
    We evaluated the regeneration behavior and early growth rates of 10 non-pioneer canopy tree species in medium-height, semi-evergreen dry tropical forest in Quintana Roo, Mexico. These species provide timber and non-timber forest products for local communities and include evergreen and deciduous species with varied dispersal mechanisms. The species were Coccoloba...
    Resource Type:
    Dissertation
    Full Text:
    . Abstract approved: David E. Hibbs We evaluated the regeneration behavior and early growth

  • Synthesis and characterization of palladium/polycarbonate nanocomposites

    Creator:
    Onbattuvelli, Valmikanathan P.
    Abstract:
    Metal/polymer nanocomposites are of increasing importance with their tunable properties being used in catalysis and sensors. Previous studies have focused on the effects of metal content, molecular weight of polymer and reaction conditions on the structure- property relationship of the metal/polymer nanocomposites. This thesis focuses on the effect of two...
    Resource Type:
    Masters Thesis
    Full Text:
    nanocomposites, when synthesized by Brust and Schmidt method, are generally controlled by the rate of reduction