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  • 1
    Electronic Resource
    Electronic Resource
    New Compounds. Hexahydrojulolidine (1948)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 70 (1948), S. 2830-2830 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01188a052
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  • 2
    Electronic Resource
    Electronic Resource
    Bilateral Stage 3-Plus Retinopathy of Prematurity (ROP) Effect of Treatment (Rx) with High-Dose Vitamin E (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 570 (1989), 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.1749-6632.1989.tb14958.x
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  • 3
    Electronic Resource
    Electronic Resource
    Distribution of an alien aquatic snail in relation to flow variability, human activities and water quality (2003)
    Oxford, UK : Blackwell Science Ltd
    Freshwater biology 48 (2003), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: 1. Disturbance and anthropogenic land use changes are usually considered to be key factors facilitating biological invasions. However, specific comparisons of invasion success between sites affected to different degrees by these factors are rare. 2. In this study we related the large-scale distribution of the invading New Zealand mud snail (Potamopyrgus antipodarum) in southern Victorian streams, Australia, to anthropogenic land use, flow variability, water quality and distance from the site to the sea along the stream channel. 3. The presence of P. antipodarum was positively related to an index of flow-driven disturbance, the coefficient of variability of mean daily flows for the year prior to the study. 4. Furthermore, we found that the invader was more likely to occur at sites with multiple land uses in the catchment, in the forms of grazing, forestry and anthropogenic developments (e.g. towns and dams), compared with sites with low-impact activities in the catchment. However, this relationship was confounded by a higher likelihood of finding this snail in lowland sites close to the sea. 5. We conclude that P. antipodarum could potentially be found worldwide at sites with similar ecological characteristics. We hypothesise that its success as an invader may be related to an ability to quickly re-colonise denuded areas and that population abundances may respond to increased food resources. Disturbances could facilitate this invader by creating spaces for colonisation (e.g. a possible consequence of floods) or changing resource levels (e.g. increased nutrient levels in streams with intense human land use in their catchments).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2427.2003.01070.x
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  • 4
    Electronic Resource
    Electronic Resource
    Role of Covalent and Noncovalent Interactions in the Formation of Films from Unheated Whey Protein Solutions Following pH Adjustment (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), 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
    Notes: : Films were formed from heated whey protein isolate (WPI) solutions (heated [H] films) and from unheated WPI solutions following adjustment to pH 11, with subsequent readjustment to pH 7 (unheated, readjusted [UR] films) or without readjustment to pH 7 (unheated, unadjusted films [UU] films). UU and UR films had significantly lower % elongation, tensile strength, and Young's modulus than H films. Film solubility and dispersion in water were in the order: H films 〈 UU films 〈 UR films. Free sulphydryl groups were lower and disulphide-mediated polymerization was higher in heated than in unheated WPI solutions whereas solubility of H films increased in the presence of dithiothreitol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb05760.x
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  • 5
    Electronic Resource
    Electronic Resource
    Static fatigue and creep resistance of a commercial sialon (1987)
    Springer
    Journal of materials science 22 (1987), S. 374-380 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The static fatigue and creep resistances of a commercial sialon material were evaluated by elevated temperature flexural stress rupture testing in air. The material is a ceramic alloy with a solid solution β′ sialon phase, Si6-z Al z O z N8-z , with a substitution levelz less than 1. The utilization of yttria sintering aids and post-sintering heat treatments leads to a fully crystalline grain-boundary phase. Creep and static fatigue resistances were excellent at temperatures up to 1200° C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01160595
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  • 6
    Electronic Resource
    Electronic Resource
    Indentation brittleness of ceramics: a fresh approach (1997)
    Springer
    Journal of materials science 32 (1997), S. 4331-4346 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The hardness and brittleness of ceramic materials are interrelated. Hard materials are more apt to fracture in the vicinity of an indentation during a hardness test, while softer materials tend to plastically deform to the indenter shape without fracturing. Measured hardness, in turn, is affected by both specimen deformation and fracture processes. This interrelationship is examined by means of extensive Vickers hardness testing. A new index of brittleness is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018671823059
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  • 7
    Electronic Resource
    Electronic Resource
    Fracture mechanism maps for advanced structural ceramics (1990)
    Springer
    Journal of materials science 25 (1990), S. 4377-4392 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The static fatigue behaviour of a commercial sintered silicon nitride with yttria and alumina sintering aids was controlled by slow crack growth or creep fracture. A fracture map depicts the stress-temperature regimes where each mechanism is dominant. Devitrification of the grain boundary phase at intermediate temperatures (1000 and 1100 °C) radically altered the static fatigue resistance. The principal devitrification products in the high tensile stressed regions were (δ-Y2Si2O7 and N apatite, although some residual glass was still present. The static fatigue and creep resistances at higher temperatures (〉1200 °C) are limited by both the residual glassy phase and the δ)-Y2Si2O7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00581097
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  • 8
    Electronic Resource
    Electronic Resource
    Fracture mechanism maps for advanced structural ceramics (1990)
    Springer
    Journal of materials science 25 (1990), S. 4361-4376 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The static fatigue behaviour of advanced structural ceramics can be controlled by a variety of failure mechanisms. A fracture mechanism map can define the stress-temperature regimes where the different mechanisms are dominant. The static fatigue resistance of a hot-pressed silicon nitride with magnesia sintering aid is limited by slow crack growth or creep fracture depending upon the specific stress-temperature conditions. The flexural fracture map is considerably refined relative to earlier versions, and in conjunction with available tension data, was used to create a tension fracture map. The fracture map brings together the findings of a number of studies and can be appreciated by materials scientists and engineers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00581096
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  • 9
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    Fracture mechanism maps for advanced structural ceramics (1990)
    Springer
    Details
    Publication Date: 1990-10-01
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 10
    facet.materialart.
    Unknown
    Fracture mechanism maps for advanced structural ceramics (1990)
    Springer
    Details
    Publication Date: 1990-10-01
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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