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Filtering by: Creator Tweet, Douglas J. Remove constraint Creator: Tweet, Douglas J. Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.)

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  • Hypervelocity spectroscopy from impacts in polymeric materials

    Creator:
    Buettner, Douglas J.
    Abstract:
    Stacked sheets of polyethylene terephthalate andpolystyrene provide a means for recovering projectiles travelling at hypervelocities. The transparency of these multiple diaphragms is utilized so that light generated from hypervelocity impacts can be studied. A method for gathering visible as well as ultraviolet light from less transparent polymer foams has been...
    Resource Type:
    Masters Thesis
    Full Text:
    materials AN ABSTRACT OF THE THESIS OF Douglas J. Buettner for the degree of Master of Science in

  • Using p-adic valuations to decrease computational error

    Creator:
    Limmer, Douglas J.
    Abstract:
    The standard way of representing numbers on computers gives rise to errors which increase as computations progress. Using p-adic valuations can reduce error accumulation. Valuation theory tells us that p-adic and standard valuations cannot be directly compared. The p-adic valuation can, however, be used in an indirect way. This gives...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Douglas J. Limmer for the

  • Determinants of off-farm labor supply among farm households in the north Willamette Valley

    Creator:
    Doyle, Douglas J., 1963-
    Abstract:
    Financial stress in agriculture has been a concern over the past century. Agrarian values and "love of the land" seem to yield public conclusions for the support of the industry. Much of this support is in the interest of preserving a viable food producing sector in an volatile world climate....
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Douglas J. Doyle for the degree