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  • 1
    Electronic Resource
    Electronic Resource
    Optical properties of dilute metal-solvent systems (1980)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 84 (1980), S. 1104-1109 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100447a006
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  • 2
    Electronic Resource
    Electronic Resource
    A new disease of watercress (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 29 (1980), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1980.tb01214.x
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  • 3
    Electronic Resource
    Electronic Resource
    Control of red thread, a disease of grasses caused by Laetisaria fuciformis (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 33 (1984), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A severe outbreak of red thread disease, caused by Laetisaria fuciformis, on reclaimed heathland is described and factors most likely to have favoured this epidemic are discussed. The efficacy of several fungicides and fertilizer treatments for control of the pathogen were examined in experiments which also involved a new method for assessing the distribution and spread of the pathogen at established foci. The most successful fungicides were benodanil and anilazine. Applications of nitrogen had no discernible effects in the 3 weeks following treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1984.tb02875.x
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  • 4
    Electronic Resource
    Electronic Resource
    Procedures for the generation of formaldehyde vapour to fumigate structures (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 30 (1981), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Formaldehyde gas concentrations were measured following the mixing of potassium permanganate and formalin within a 1 -m3 chamber. Similar concentrations of gas were measured irrespective of the order of mixing of the reactants at the lower ratios used (1 KMnO4:4–8 formalin), but at the higher ratio (1:2–4) more gas was produced when the KMnO4was added to the formalin than when the reverse sequence was followed. Spores of Botrytis cinerea were all killed at the dosages tested (0.18–0.30 mg formaldehyde per litre).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1981.tb01264.x
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  • 5
    Electronic Resource
    Electronic Resource
    The control of bubble diseases and cobweb disease of mushrooms with prochloraz (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 32 (1983), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Fungicides were compared for the control of the mushroom pathogens Verticillium fungicola (dry bubble disease), Mycogone perniciosa (wet bubble disease) and Hypomyces rosellus (cobweb disease). Prochloraz, applied as a manganese complex, consistently gave significantly greater control of a benomyl-resistant strain of V. fungicola. Captafol gave some reduction in disease. Benomyl, thiabendazole and prochloraz all gave significant control of M. perniciosa and H. rosellus. Prochloraz residues in mushrooms were measured by gas chromatography after extraction in acetone and purification by means of solvent partition, When pure prochloraz was added to homogenized mushroom tissue, 77–98% was recovered by this procedure. The residue levels in sporophores from crops treated with prochloraz were low, Prochloraz appears to be an effective fungicide for the control of the major fungal pathogens of the mushroom crop, particularly where benzimidazole-resistant strains of V. fungicola occur.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1983.tb01310.x
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  • 6
    Electronic Resource
    Electronic Resource
    The variability in the catches of charr, Salvelinus alpinus L., and perch, Perca fluviatilis L., from multi-mesh gill nets (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 20 (1982), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Multi-mesh gill nets set at Rawlinson's Nab in the south basin of Windermere for 24 months from 1979 to 1981 caught predominantly charr and perch. Nets set parallel to the shore caught significantly fewer fish than those set perpendicular to the shore. Variability in the mean catches of perch increased from winter to summer when the size of the catches also increased. Charr were mostly caught from November until February. Estimates of variance associated with the geometric mean catch of a single net (set perpendicular to the shore) were calculated for the periods winter for the charr and winter, summer, spring and autumn for the perch. These variances were used to calculate 95 and 99% C.L. of the geometric mean. For limits to be below half or twice the geometric mean, 12 nets would have to be used for charr during winter. For perch the number of nets needed would be six in winter, 20 in spring and autumn and 40 in summer. It is concluded that the nets are of little value in assessing changes in stock abundance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1982.tb03952.x
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  • 7
    Electronic Resource
    Electronic Resource
    Growth and mortality of zebra fish, Brachydanio rerio (Hamilton Buchanan), maintained at two temperatures and on two diets (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 25 (1984), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: One hundred zebra fish per tank were maintained for 112 days at 24°C or 28°C in glass aquaria and fed a diet of flaked food made without cellulose (13.45 kJ g−1, metabolizable energy, Type A) or with cellulose (8.71 kJ g−1, metabolizable energy, Type B). Each experimental condition was repeated in triplicate (12 tanks). The weight of food given daily to the fish was based on daily records of survivors (from which mortality rates were calculated) and wet wt of fish (measured every 14 days) in each tank. All fish were fed with the same weight of food per day and the quantity of energy in the food in excess of standard metabolism (as a proportion of SM) was approximately 0–5 for fish maintained at 28°C and fed food B, 1–0 for fish maintained at 24°C and fed food B, 1–5 for fish maintained at 28°C and fed food A, and 2.2 for fish maintained at 24°C and fed food A.Non-ionized ammonia, nitrite and nitrate nitrogen in the tanks did not reach toxic levels although there was an increase in total ammonium nitrogen in one tank and a subsequent heavy mortality. It was assumed that this was caused by the build up of pathogenic bacteria. Apart from this tank, mortality was highest in tanks at 28°C with fish fed food A and second highest in tanks at 24°C with fish fed on the same diet. Growth was measured in units of length, wet and dry weights, carbon and energy. There was a good correlation (P 〈 0.001) between carbon (mgC mg−1) and calorific (J mg−1) values and a conversion factor of 46.2 J (mgC)−1 was derived. Fish maintained at 24°C and fed food A had the highest rates of growth both in weight and in energy value per unit weight. Fish fed the same diet but kept at 28°C had the lowest growth rates. Both these groups of fish had the highest coefficients of variation in wet weights which increased during the experiment, indicating an increase in interaction within the tanks. There was agreement between the energy value of fish sampled for growth and a condition factor based on the length-weight relationships of fish remaining in the tanks. A correlation (P 〈 0.05) was found between instantaneous mortality and growth rates for fish between tanks when those maintained at 28°C and fed on food A were ignored.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1984.tb04849.x
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  • 8
    Electronic Resource
    Electronic Resource
    Tree rings and archaeology: dating Roman oaks (1982)
    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 227-227 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent discovery of the wooden foundations for a Roman bridge across the Rhine at Koblenz has provided an exciting opportunity for European dendrochronology to prove its worth to archaeology. The dating of the bridge was one of the topics discussed at the recent workshop organized by the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/298227a0
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  • 9
    Electronic Resource
    Electronic Resource
    Meiosis in Sxr male mice (1980)
    Springer
    Chromosoma 81 (1980), S. 9-17 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Cytological evidence for the existence of a Y-autosomal rearrangement in meiotic cells of Sxr mice has been sought. At pachytene, in silverstained light microscope spread preparations of XY, Sxr/+ and XO, Sxr/+ spermatocytes, evidence for pairing or association between a possible Y-bearing segment of a specific autosome and a sex chromosome could not, however, be found. Such sex chromosome-autosome associations as were seen were non-specific in nature, and occurred no more often in Sxr mice than in controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00292419
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  • 10
    Electronic Resource
    Electronic Resource
    Trisomy 8 (1980)
    Springer
    Human genetics 〈Berlin〉 55 (1980), S. 31-38 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Trisomy 8, in mosaic or non-mosaic form is an extremely rare chromosomal condition in man. Liveborn subjects usually present with mental retardation, bone and joint anomalies and a variety of other physical anomalies. The mental retardation associated with the condition is, however, usually moderate compared to that found in other viable human autosomal trisomic conditions. The present report describes a trisomy 8 mosaic male subject with normal IQ and near-normal phenotype, ascertained through infertility. Chromosome studies on peripheral blood lymphocytes reveal a pure trisomy 8 constitution; cultured skin fibroblasts show 46,XY/47,XY+8 mosaicism. At meiosis, the extra No. 8 chromosome is missing from the germ line. The testicular histology indicates a germ cell maturation arrest in many spermatocytes and the patient is severely oligospermic. Biochemical studies to assay levels of glutathione reductase, a red cell enzyme, the gene for which resides in chromosome 8, show increased levels in the trisomy 8 patient compared with controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00329123
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