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  • Blackwell Publishing Ltd  (192)
  • American Association of Petroleum Geologists
  • American Journal of Science
  • 1995-1999  (210)
  • 1950-1954  (15)
  • 1910-1914  (1)
  • 1905-1909  (1)
  • 11
    Electronic Resource
    Electronic Resource
    Capture Zone Delineations on Island Aquifer Systems (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 36 (1998), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: The objective of this study is to assess the effects of variable density ground water flow on capture zones for pumping wells on islands and the ability of numerical and analytical methods to account for these effects. Mathematical modeling is used to simulate variable density ground water flow for an island aquifer system. Coupled fresh water-salt water transport equations derived using sharp interface theory are solved using the finite-element method. Reverse particle tracking is used to compute the capture zone for a well. Sensitivity studies are completed using a quasi-three-dimensional model to identify the influence of variable density flow on the computed zone of contribution to a pumping well. Quantitative results indicate that the size and shape of the capture zone are sensitive to the natural geometry of the fresh water lens and the effects of fresh water-salt water upconing. This is especially true for pumping wells located close to the coastline. For the conditions considered in this study, accounting for variable density ground water flow resulted in capture zones approximately 21% larger than those predicted assuming a uniform fresh water aquifer thickness and constant hydraulic gradient. This effect of variable density flow on the predicted capture zones diminished away from the coastline. The study results serve to caution model users of the limitations inherent in using analytical methods to compute capture zone delineations for island aquifers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1998.tb02189.x
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  • 12
    Electronic Resource
    Electronic Resource
    THE EFFECT OF SEVERAL ANTIBIOTICS ON CERTAIN SPORE-FORMING ORGANISMS INVOLVED IN FOOD SPOILAGE (1954)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 19 (1954), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1954.tb17479.x
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  • 13
    Electronic Resource
    Electronic Resource
    THE ACTION OF SEVERAL ANTIBIOTICS ON THE SPORES OF BACILLUS THERMOACIDURANS IN A TOMATO JUICE MEDIUM (1954)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 19 (1954), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1954.tb17480.x
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  • 14
    Electronic Resource
    Electronic Resource
    CLIMATE VARIABILITY AND FLOOD FREQUENCY ESTIMATION FOR THE UPPER MISSISSIPPI AND LOWER MISSOURI RIVERS (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 35 (1999), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : This paper considers the distribution of flood flows in the Upper Mississippi, Lower Missouri, and Illinois Rivers and their relationship to climatic indices. Global climate patterns including El Niño/Southern Oscillation, the Pacific Decadal Oscillation, and the North Atlantic Oscillation explained very little of the variations in flow peaks. However, large and statistically significant upward trends were found in many gauge records along the Upper Mississippi and Missouri Rivers: at Hermann on the Missouri River above the confluence with the Mississippi (p = 2 percent), at Hannibal on the Mississippi River (p 〈 0.1 percent), at Meredosia on the Illinois River (p = 0.7 percent), and at St. Louis on the Mississippi below the confluence of all three rivers (p = 1 percent). This challenges the traditional assumption that flood series are independent and identically distributed random variables and suggests that flood risk changes over time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1999.tb04234.x
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  • 15
    Electronic Resource
    Electronic Resource
    Retroviral Vectors for Production of Interleukin-12 in the Bone Marrow to Induce a Graft-Versus-Leukemia Effect (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 795 (1996), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1996.tb52687.x
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  • 16
    Electronic Resource
    Electronic Resource
    THE KINETICS OF HUMAN SPERMATOGENESIS AS REVEALED BY CHANGES IN THE EJACULATE (1952)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 55 (1952), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1952.tb26589.x
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  • 17
    Electronic Resource
    Electronic Resource
    Evolutionary and taxonomic relationships among Far-Eastern salmonid fishes inferred from mitochondrial DNA divergence (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 49 (1996), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Mitochondrial DNA (mtDNA) restriction analysis was used to examine the evolutionary and taxonomic relationships among 11 taxa of the subfamily Salmoninae. The genera Brachymystax and Hucho were closely related, diverging by sequence divergence estimates of 3.1%. Because the mtDNA sequence divergence between blunt- and sharp-snouted forms of Brachymystax (2.24%) was similar to divergence level of Brachymystax and Hucho, then taking into account the distinct morphological, ecological and allozyme differences between them, it is possible to recognize these forms as two separate species. The subgenus Parahucho formed a very distinct group differing by 6.35–7.08% (sequence divergence estimate) from both Brachymystax and Hucho and must be considered as a valid genus. The UPGMA and neighbour-joined phenograms showed that the five genera studied are divided into two main groupings: (1) Hucho, Brachymystax and Salvelinus; and (2) Oncorhynchus and Parahucho species. The mtDNA sequence divergence estimates between these groupings were about 8.1%. However, the subsequent bootstrap analysis of mtDNA RFLP data did not support the monophyly of the latter grouping. The concordance of morphological and mtDNA phylogenetic patterns is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1996.tb00081.x
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  • 18
    Electronic Resource
    Electronic Resource
    Corresponding patterns of site quality, decline and tree growth in a sessile oak stand (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Forest pathology 28 (1998), S. 0 
    Details
    ISSN: 1439-0329
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: This study focuses on two rarely studied aspects of oak decline: relations with site characteristics and effects on tree growth. The study was carried out in a 5.5 ha stand in Hungary which is strongly affected by oak decline. The nearly pure sessile oak (Quercus petraea) stand of mostly coppice origin was 90 years old at the beginning of the study. Within-stand site heterogeneity was described by the herbaceous vegetation. Four ecological site types were distinguished by the species composition of herbs, and characterized by the ecological indicator values of the species. Tree growth between 1987 and 1993 was measured, and tree vigour was estimated from visual characteristics five times between 1987 and 1993. Potential volume increment of declining trees was estimated with the growth rates of healthy trees of the same size. Volume increment loss caused by oak decline was also assessed. Significant positive relationships were found between tree vigour and tree size and between tree vigour and tree growth. The growth of seriously declining trees dropped to almost one-half of that of healthy ones. Growth reduction of living trees at the stand level amounted to 5.4%, whereas growth reduction of all trees, including those that died during the observation period, amounted to 19.9% of the potential growth. Tree size and growth were greater on better sites. A strong relationship was also found between tree vigour and site type, but sessile oak was more susceptible to decline at better sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0329.1998.tb01174.x
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  • 19
    Electronic Resource
    Electronic Resource
    Dry weight loss of wood after the inoculation of Scots pine stumps with Phlebiopsis gigantea (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Forest pathology 27 (1997), S. 0 
    Details
    ISSN: 1439-0329
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Artificial inoculation of stumps with Phlebiopsis gigantea (preparation‘PgIBL’) against Heterobasidion annosum in Scots pine (Pinus sylvestris) stands on former agricultural lands in Poland is being performed throughout the year. The practical efficiency of the biological control appears to be influenced by the moisture content in stumps and roots. In experiment 1, dry weight loss of wood 3 months and 6 months after P. gigantea inoculation in laboratory was investigated in the stumps after salvage cutting (felling of dead and dying trees) and after thinning (routine cutting of trees) and compared with the decay of the artificially inoculated stumps under field conditions. It was found that 6 months after inoculation the dry weight loss of the samples was about 3%, 17% and 22%, respectively. In experiment 2, the decay of wood from horizontal roots collected after thinning, inoculated with P. gigantea in laboratory, was evaluated. Three months after the inoculation, the loss of dry weight wood was about 22–52%, depending on initial moisture of the roots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0329.1997.tb00859.x
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  • 20
    Electronic Resource
    Electronic Resource
    Comparison of evaluation methods for selection of resistance to Fusarium head blight in a recurrent selection programme in wheat (Triticum aestivum L.) (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 118 (1999), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objectives of this study were to compare efficiency of evaluation for resistance to Fusarium head blight (FHB) under two inoculation methods in a recurrent selection programme. Fifty selected homozygous F5 fertile lines, from each of five cycles (C0, C1, C2, C3 and C4) of recurrent selection, and two control cultivars were evaluated in a split-plot design in 1995 and 1996 under the soil-surface inoculation with Fusarium graminearum-colonized kernels and the single-floret inoculation with ascospore suspension. Comparison of the two inoculation methods using means, ranges, coefficients of variation, heritabilities and correlations among infected spikelet rate (ISR), reaction index (RI) and disease index (DI) indicated that FHB resistance could be evaluated with similar accuracy and precision using either of the two inoculation methods. Regressions of disease scores in the soil-surface inoculation on disease scores in the single-surface inoculation were positive and highly significant, showing a strong relationship between both inoculation methods for FHB resistance. The percentage of lines with similar performance for FHB disease scores in both inoculation methods was high. The soil-surface inoculation and single-floret inoculation appear to be useful techniques for evaluating numerous individuals of segregating population and screening advanced homozygous lines for FHB resistance in a recurrent selection programme in wheat, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.1999.00385.x
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