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  • 1
    Electronic Resource
    Electronic Resource
    A FATIGUE-CRACK-GROWTH-BASED ANALYSIS OF TWO-STEP CORROSION FATIGUE TESTS (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 18 (1995), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A method for the analysis of two-step fatigue level sequences is proposed and compared with experimental results. Two-step loading tests of the aluminum alloy 2017-T4 in 3% sodium chloride solution have been carried out in conjunction with a replica technique used to monitor the growth of fatigue cracks. Fatigue cracks were nucleated at corrosion pits 10–15 μm in size, and crack growth rather than crack initiation was found to take up the major portion of the fatigue lifetime in these tests. The results could therefore be analyzed on the basis of the following constitutive relation for fatigue crack growth. da/dN=A(ΔKeff-ΔKeffth)2This analysis was simplified since the influence of transients in the crack growth rate induced upon change in load level was found to be minimal. The approach provides a rational basis for dealing with load-sequence effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1995.tb00857.x
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  • 2
    Electronic Resource
    Electronic Resource
    High Temperature Deformation of Precursor Derived Si-C-N Ceramics (1999)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 304-306 (Feb. 1999), p. 501-506 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/04/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.304-306.501.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Mechanism of Camber for Alumina Ceramic Substrate (1999)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 169-170 (June 1999), p. 273-0 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/45/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.169-170.273.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Septic shock due toPseudomonas aeruginosa in a previously healthy woman (1995)
    Springer
    Intensive care medicine 21 (1995), S. 226-228 
    Details
    ISSN: 1432-1238
    Keywords: Pseudomonas aeruginosa ; Septicemia ; Septic shock
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Pseudomonas aeruginosa septicemia rarely occurs in non-immunocompromised adults. We present a case of septic shock followingPseudomonas aeruginosa pneumonia in a previously healthy 48-year-old woman. The onset was sudden, with back pain, pyrexia and shock. Chest radiographs revealed pneumonia, andPseudomonas aeruginosa was identified from blood and sputum cultures. Therapy with dopamine, piperacillin and fluid replacement led to a prompt recovery. Laboratory tests failed to reveal any immunological deficits. Including this case, only five cases ofPseudomonas aeruginosa septicemia in patients though to be non-immunocompromised have been reported. Two remarkable features of this type ofPseudomonas infection are apparent: i) it commonly develops from pneumonia and ii) it has a better prognosis than that in immunocompromised hosts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01701476
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  • 5
    Electronic Resource
    Electronic Resource
    Melanotic neuroectodermal tumour of infancy at the anterior fontanelle (1999)
    Springer
    Neuroradiology 41 (1999), S. 202-204 
    Details
    ISSN: 1432-1920
    Keywords: Key words Melanotic neuroectodermal tumour ; Anterior fontanelle ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe a 4-month-old girl presenting with a melanotic neuroectodermal tumour of infancy at the anterior fontanelle. According to the neuroimaging findings, this tumour was found to lie epidurally, adherent to the dura mater, with thickening of the adjacent frontal bone. The tumour was dense on CT, while MRI showed a major part of the tumour to be isointense with cerebral cortex on both T1- and T2-weighted images. The neuroimaging and clinical features are briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050735
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  • 6
    Electronic Resource
    Electronic Resource
    Functionally graded wood in fire endurance with basic nitrogen compounds and phosphoric acid (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 22 (1998), S. 77-83 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Fire-retardant wood treatment with fire-retardant chemicals consisting of basic nitrogen compounds and phosphoric acid have been thoroughly examined. The fire retardance and endurance of wood were influenced by the treatment method. Here two treatment methods were compared, heat-pressed treatment method improved these qualities more than heat-dried treatment method. Furthermore, to gain lasting fire retardance, it was considered necessary to react basic nitrogen compounds and phosphoric acid with formaldehyde as in the dicyandiamide-formaldehyde-phosphoric acid or melamine-dicyandiamide-formaldehyde-phosphoric acid system. In the treated wood, the concentration of chemicals gradually decreased as it approached the center. The functional fire retardance could be graded in accordance with the chemical content. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    The fire retardance and endurance of functionally graded wood in the case of the heat-compressed treatment method (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 22 (1998), S. 199-206 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The behaviour of wood with the heat-compressed treatment method was evaluated. Fire retardance and endurance of wood treated with basic nitrogen compounds and phosphoric acid were much improved by the compressed method using a hot press. In this way, the concentration of chemical contents and the density of wood were raised at the surface of the treated wood and it increased the specific gravity of the treated wood as a whole. It was recognized that the increase of specific gravity improved fire retardance and endurance, and fire endurance of wood was indicated by the equation of addition of chemicals and specific gravity. It is more effective to increase the specific gravity of wood at the surface to improve fire endurance. Wood treated with chemicals showed a high limiting oxygen index in proportion to the increase in the addition of chemicals regardless of the treatment method, and high fire endurance was not always accompanied by a high limiting oxygen index. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    The functionally graded wood observed from chemical and thermal perspectives (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 22 (1998), S. 141-148 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The fire retardance of wood treated with basic nitrogen compounds and phosphoric acid is improved. It was investigated which chemicals were suitable for the fire retardant treatment of wood and how chemicals influenced fire retardance and endurance from the perspective of chemical reaction and also it was investigated how chemicals and treatment methods influenced fire retardance and endurance from a thermal perspective. Although the fire endurance was improved by a heat-pressed treatment method, the chemical reaction was carried out by heat irrespective of the pressing or drying method. The wood structure would become complex as the cross-linked structure occurred by chemicals and pressure. Its structure would be maintained at combustion. Fire endurance of wood is shown to be related to a cross-linked structure created by a chemical and/or physical reaction rather than thermal factors related to the carbonized product. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    The functional gradient of fire resistance laminated board (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 22 (1998), S. 89-94 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Although the fire resistance of wood depends on its dimensions, it needs a lot of time and energy to fire retard thick wood. On the other hand, it is easier and takes less time and energy to treat thin materials. The fire resistance of wood was improved by compressed treatment, even untreated wood, and moreover compressed wood loaded with chemicals was improved more. Fire resistance of a laminated board was the same as a solid compressed board, and also fire resistance of a laminated board which was arranged with compressed thin wood on two sides of untreated wood showed similar fire endurance. A laminated lathe veneer board showed better fire resistance than solid untreated wood and a laminated board with treated veneers arranged concentratively showed better fire resistance than it did when arranged dispersively.So it was judged that it was important to retard fire ignition and to form a carbonized layer effectively in a fire by physical and chemical treatment, especially on the surface of a material. © 1998 John Wiley & Sons Ltd.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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