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  • 1
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    Appalachian State University | Appalachian State University
    Publication Date: 2022-04-28
    Description: Published in 1977, this collection of essays was published to honor Cratis D. Williams upon his retirement from Appalachian State University. Williams was an influential scholar, folklorist, teacher, and administrator who spent much of his career focused on the Appalachian region. Edited by J. W. Williamson, contributors to the volume are Louie Brown, Ronald J. Eller, Alan J. Crain, Stephen Fisher, Wilma Dykeman, Henry Shapiro, David S. Walls, Gene Wilhelm Jr., Robert Paul Sessions, David Looff, John Opie, Loyal Jones, Gordon McKinney, Chester Young, Robert J. Higgs, Amos Abrams, Jean Ritchie, Betty N. Smith, Joan Moser, Raymond O’Cain, and John R. Hopkins.
    Keywords: Social Science ; Essays ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general
    Language: English
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    Format: image/jpeg
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  • 2
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The relative contribution of dissolved nitrogen (ammonium and dissolved free amino acids DFAAs) to the nitrogen budget of the reef-building coral Pocillopora damicornis was assessed for colonies growing on control and ammonium-enriched reefs at One Tree Island (southern Great Barrier Reef) during the ENCORE (Enrichment of Nutrient on Coral Reef; 1993 to 1996) project. P. damicornis acquired ammonium at rates of between 5.1 and 91.8 nmol N cm−2 h−1 which were not affected by nutrient treatment except in the case of one morph. In this case, uptake rates decreased from 80.5 to 42.8 nmol cm−2 h−1 (P 〈 0.05) on exposure to elevated ammonium over 12 mo. The presence or absence of light during measurement did not influence the uptake of ammonium ions. Nitrogen budgets revealed that the uptake of ammonium from concentrations of 0.11 to 0.13 μM could completely satisfy the demand of growing P. damicornis for new nitrogen. P. damicornis also took up DFAAs at rates ranging from 4.9 to 9.8 nmol N cm−2 h−1. These rates were higher in the dark than in the light (9.0 vs 5.1 nmol m−2 h−1, P 〈 0.001). Uptake rates were highest for the amino acids serine, arginine and alanine, and lowest for tyrosine. DFAA concentrations within the ENCORE microatolls that received ammonium were undetectable, whereas they ranged up to 100 nM within the control microatolls. The contribution of DFAAs to the nitrogen budget of P. damicornis constituted only a small fraction of the nitrogen potentially contributed by ammonium under field conditions. Even at the highest field concentrations measured during this study, DFAAs could contribute only ≃11.3% of the nitrogen demand of P.␣damicornis. This contribution, however, may be an important source of nitrogen when other sources such as ammonium are scarce or during periods when high concentrations of DFAAs become sporadically available (e.g. cell breakage during fish-grazing).
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 603 (1990), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    International journal of immunogenetics 32 (2005), S. 0 
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The genomic matching technique has proven useful in MHC haplotyping in humans. We have adopted a similar approach in Australian cattle dogs and report that genotyping can be achieved with a single assay.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1074-1075 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first, and still the most effective, prophylactic drug for bovine trypanosomiasis is 'Antry-cide Pro-Salt5 (a mixture of antrycide dimethyl -sulphate and antrycide chloride)1'2. Experience has shown that the maximum reliable prophylaxis obtainable with this drug is approximately two months1"3. ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 826-827 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is common practice in modern surgery to insert pieces of metal into the body in order to strengthen or replace a damaged bone. As these are often left in place for considerable periods, it is clearly essential that they should be inert in tissues, and interfere as little as possible with repair ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 834-835 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In our earlier work, the presence of abnormally high concentrations of iron in the tissues surrounding buried metals was demonstrated by staining microtome sections of biopsy specimens to give the prussian blue reaction. Recently, biopsy samples of such tissue have been analysed spectroscopically ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 1187-1187 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Taper section photographs illustrating adherent metal fragments of copper (dark) on to steel. Note the rupture and penetration of the steel surface. C, copper ; F, ferrite ; P, pearlite The particular screws and plates associated with the tissue reaction described in our article did not ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 520-522 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EARLIER experiments have shown that when JJU two metals are placed in contact, appreciable metallic transfer occurs from one surface to the other. If sliding takes place, the amount of metal transferred is increased considerably. A general account of this work has been given elsewhere1. In simple ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 105 (1920), S. 387-388 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a meeting held at the Birkbeck College on April 28, organised by the National Union of Scientific Workers to urge more public support of scientific research, Prof. Soddy, the principal speaker after Mr. H. G. Wells, who occupied, the chair, made a strong attack on the Department of ...
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