77 research outputs found

    The Continued Threat of Tuberculosis

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    Book Reviews

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    Book Reviews: Unconquerable Rebel: Robert W. Wilcox And Hawaiian Politics, 1880 - 1903 by Ernest Andrade, Jr.; Women And Children First: the Life And Times of Elsie Wilcox of Kaua'i by Judith Dean Gething Hughes; the Shipmans of East Hawai'i by Emmett Cahill; Shaping History: the Role of Newspapers In Hawai'i by Helen Geracimos Chapin; Waikiki 100 B.C. To 1900 A.D.: An Untold Story by George S. Kanahele; Surveying the Mahele: Mapping the Hawaiian Land Revolution by Riley M. Moffat And Gary L. Fitzpatrick; the Filipino Piecemeal Sugar Strike of 1924-1925 by John E. Reinecke; Sugar Water: Hawaii's Plantation Ditches by Carol Wilcox; Who Runs the University? the Politics of Higher Education In Hawaii, 1985 - 1992 by David Youn

    Percussion Recital

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    Program listing performers and works performed

    Book Reviews

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    Book Reviews: the Water of Life, a Jungian Journey Through Hawaiian Myth by Rita Knipe; Before the Horror: the Population of Hawai'i on the Eve of Western Contact by David E. Stannard; Observations and Interpretation of Hawaiian Volcanism and Seismicity 1779-1955. An Annotated Bibliography and Subject Index by Thomas L. Wright and Taeko Jane Takahashi; An Account of Two Voyages to the South Seas, to Australia, New Zealand, Oceania 1826-1829 in the Corvette Astrolabe; and to the Straits of Magellan, Chile, Oceania, Southeast Asia, Australia, Antarctica, New Zealand, and the Torres Strait 1837-1840 in the Corvettes Astrolabe and Zelee. by Jules S. C. Dumont d'Urville, Translated and edited by Helen Rosenman; Paths of Duty: American Missionary Wives in Nineteenth-Century Hawaii by Patricia Grimshaw; Journal of Stephen Reynolds Edited by Pauline King; Moramona: the Mormons in Hawaii by R. Lanier Britsch; the Peopling of Hawai'i by Eleanor C. Nordyk

    SWIRE: The SIRTF Wide‐Area Infrared Extragalactic Survey

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    The SIRTF Wide-Area Infrared Extragalactic Survey (SWIRE), the largest SIRTF Legacy program, is a wide-area imaging survey to trace the evolution of dusty, star-forming galaxies, evolved stellar populations, and active galactic nuclei (AGNs) as a function of environment, from redshifts to the current z ∌ 3 epoch. SWIRE will survey seven high-latitude fields, totaling 60–65 deg2 in all seven SIRTF bands: Infrared Array Camera (IRAC) 3.6, 4.5, 5.6, and 8 mm and Multiband Imaging Photometer for SIRTF (MIPS) 24, 70, and 160 mm. Extensive modeling suggests that the Legacy Extragalactic Catalog may contain in excess of 2 million IR-selected galaxies, dominated by (1) ∌150,000 luminous infrared galaxies (LIRGs; LFIR 1 1011 L,) detected by MIPS (and significantly more detected by IRAC), ∌7000 of these with ; (2) 1 million IRAC- z 1 2 detected early-type galaxies (∌ with and ∌10,000 with ); and (3) ∌20,000 classical AGNs 5 2 # 10 z 1 1 z 1 2 detected with MIPS, plus significantly more dust-obscured quasi-stellar objects/AGNs among the LIRGs. SWIRE will provide an unprecedented view of the evolution of galaxies, structure, and AGNs. The key scientific goals of SWIRE are (1) to determine the evolution of actively star forming and passively evolving galaxies in order to understand the history of galaxy formation in the context of cosmic structure formation; (2) to determine the evolution of the spatial distribution and clustering of evolved galaxies, starbursts, and AGNs in the key redshift range over which much of cosmic evolution has occurred; and (3) to 0.5 ! z ! 3 determine the evolutionary relationship between “normal galaxies” and AGNs and the contribution of AGN accretion energy versus stellar nucleosynthesis to the cosmic backgrounds. The large area of SWIRE is important to establish statistically significant population samples over enough volume cells that we can resolve the star formation history as a function of epoch and environment, i.e., in the context of structure formation. The large volume is also optimized for finding rare objects. The SWIRE fields are likely to become the next generation of large “cosmic windows” into the extragalactic sky. They have been uniquely selected to minimize Galactic cirrus emission over large scales. The Galaxy Evolution Explorer will observe them as part of its deep 100 deg2 survey, as will Herschel. SWIRE includes ∌9 deg2 of the unique large-area XMM Large Scale Structure hard X-ray imaging survey and is partly covered by the UKIDSS deep J and K survey. An extensive optical/near-IR imaging program is underway from the ground. The SWIRE data are nonproprietary; catalogs and images will be released twice yearly, beginning about 11 months after SIRTF launch. Details of the data products and release schedule are presented

    In-cloud oxidation of SO2 by O3 and H2O2: Cloud Chamber Measurements and Modeling of Particle Growth

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    Controlled cloud chamber experiments were conducted to measure particle growth resulting from the oxidation of SO2 by O3 and H2O2 in cloud droplets formed on sulfuric acid seed aerosol. Clouds were formed in a 590 m3 environmental chamber with total liquid water contents ranging from 0.3–0.6 g m−3 and reactant gas concentrations \u3c10 ppbv for SO2 and H2O2 and \u3c70 ppbv for O3. Aerosol growth was measured by comparison of differential mobility analyzer size distributions before and after each 3–4 min cloud cycle. Predictions of aerosol growth were then made with a full microphysical cloud model used to simulate each individual experimental cloud cycle. Model results of the H2O2 oxidation experiments best fit the experimental data using the third-order rate constant of Maass et al. [1999] (k = 9.1 × 107 M−2 s−1), with relative aerosol growth agreeing within 3% of measured values, while the rate of Hoffmann and Colvert [1985] produced agreement within 4–9%, and the rate of Martin and Damschen [1981] only within 13–18%. Simulation results of aerosol growth during the O3 oxidation experiments were 60–80% less than the measured values, confirming previous results [Hoppel et al., 1994b]. Experimental results and analyses presented here show that the SO2 - O3 rate constants would have to be more than 5 times larger than currently accepted values to explain the measured growth. However, unmeasured NH3 contamination present in trace amounts (\u3c0.2 ppb) could explain the disagreement, but this is speculative and the source of this discrepancy is still unknown
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