3,022 research outputs found

    If I Could Only Make You Care

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    https://digitalcommons.library.umaine.edu/mmb-vp/4234/thumbnail.jp

    Moon-Bird: An Indian Love Song

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    https://digitalcommons.library.umaine.edu/mmb-vp/4536/thumbnail.jp

    You\u27re a Grand Old Bell

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    https://digitalcommons.library.umaine.edu/mmb-vp/5242/thumbnail.jp

    The Hour That Gave Me You

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    https://digitalcommons.library.umaine.edu/mmb-vp/1608/thumbnail.jp

    Strutural Damage Induced by Pyritic Shale

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    The Evangelical Hospital located in Lewisburg, Pennsylvania has experienced distress in the form of cracked floor slabs and displaced structural steel due to swelling of the underlying fill material and natural bedrock formation. The bedrock consisted of black, pyritic, calcareous shale from the Marcellus Formation of the Hamilton Group (Devonian Age). The fill materials beneath the cracked concrete floor slabs consisted of the weathered shale fragments from this formation. Although mitigating the structural distress has been attempted, the building continued to experience problems relating to the swelling of the underlying bedrock materials. The expansion of the shale could be attributed to the oxidation of the pyrite, which produced sulfuric acid. The sulfuric acid, in turn, reacted with the calcium carbonate (calcite) in the shale partings producing the mineral gypsum. Since gypsum has approximately twice the molar volume of calcite, the result is an expansion or swelling of the shale. Various laboratory tests were conducted on the shale in an attempt to simulate the swelling processes. The failures and successes of the laboratory testing have given new directions for additional research to further educate Geotechnical Engineers unfamiliar with the expansive nature of pyritic shale

    Say Yes With A Sweet Red Rose

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    https://digitalcommons.library.umaine.edu/mmb-vp/4297/thumbnail.jp

    A multiwavelength campaign of active stars with intermediate rotation rates

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    Near-to-simultaneous ultraviolet and visual spectroscopy of two moderate nu(sin i) RS CVn systems, V815 Herculis (nu(sin i) = 27 km s(exp -1)) and LM Pegasi (nu(sin i) = 24 km s(exp -1)), are presented along with contemporaneous UBV (RI)(sub c) - band photometry. These data were used to probe inhomogeneities in the chromospheres and photospheres, and the possible relationship between them. Both systems show evidence for rotationally modulated chromospheric emission, generally varying in antiphase to the photospheric brightness. A weak flare was observed at Mg II for V815 Her. In the case of IM Peg, we use photometry and spectra to estimate temperatures, sizes, and locations of photospheric spots. Further constraints on the spot temperature is provided by TiO observations. For IM Peg, the anticorrelation between chromospheric emission and brightness is discussed in the context of a possible solar-like spot cycle
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