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  • 1985-1989  (7)
  • 1955-1959
  • 1989  (7)
Source
Material
Years
  • 1985-1989  (7)
  • 1955-1959
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Very Low Thermal Expansion Coefficient Materials (1989)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Materials Research 19 (1989), S. 59-81 
    Details
    ISSN: 0084-6600
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ms.19.080189.000423
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Conceptive Delays of Twin-Prone Mothers: A Demographic Epidemiologic Approach (1989)
    Baltimore : Periodicals Archive Online (PAO)
    Human Biology. 61:4 (1989:Aug.) 599 
    Details
    ISSN: 0018-7143
    Topics: Biology
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:5243-1989-061-04-000011
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A study of thin water film flow down an inclined plate without and with countercurrent air flow (1989)
    Springer
    Experiments in fluids 7 (1989), S. 318-328 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Characteristics of thin water film flow down an inclined plane surface without as well as with superposed countercurrent air flow were studied experimentally. Three different angles of inclination of the channel with horizontal were investigated. At each inclination angle, five film Reynolds numbers were studied. Experiments were performed beginning at zero air flow and then increasing the air flow rate in steps until water entrainment occurred. Visual observation of the film surface was carried out as were film thickness measurements by means of capacitance probes. Results presented include mean film thickness and distribution, frequency spectra and propagation velocities of interfacial disturbances, and the incipience condition for entrainment of water from the film into the air stream.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198450
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Properties and microstructures of Lanxide® Al2O3-Al ceramic composite materials (1989)
    Springer
    Journal of materials science 24 (1989), S. 658-670 
    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 A study has been made of four Al2O3-Al composite materials fabricated by the directed oxidation of molten aluminium alloys. Their microstructures are described and measurements of density, coefficient of thermal expansion, thermal conductivity, hardness, elastic constants, compressive strength, flexural strength, fracture toughness, work of fracture, and thermal shock resistance are reported. Compared to a typical dense sintered Al2O3, such as Durafrax® 1542, which is somewhat harder, stiffer, and stronger in compression, the new composites can be stronger in flexure, particularly at high temperatures, far tougher, and considerably more resistant to thermal shock. Attempts are made to relate their differences in properties to microstructure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01107457
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    An examination of brain damage and dysfunction in genital exhibitionists (1989)
    Springer
    Sexual abuse 2 (1989), S. 77-87 
    Details
    ISSN: 1573-286X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract Fifteen male exhibitionists were compared to 36 nonviolent, nonsex offender controls on CT brain scans, the Wechsler Adult Intelligence Scale (WAIS-R), and the Halstead-Reitan Neuropsychological Test Battery (HR). The exhibitionists differed from controls only on HR subtests Tactual Performance Total Time, Trail Making Test A, and Aphasia Screening Test. Global differences between the two groups in structural brain damage and functional impairment were not found. Contrasting results of brain damage in exhibitionists and other sex offender groups are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00850681
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Identifying sexual preferences in intrafamilial and extrafamilial child sexual abusers (1989)
    Springer
    Sexual abuse 2 (1989), S. 255-275 
    Details
    ISSN: 1573-286X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract Twenty-seven erotic and sexually neutral movie clips were shown to 191 men, consisting of 62 heterosexual intrafamilial child sexual abusers, 57 heterosexual and 25 homosexual extrafamilial child sexual abusers and 47 community controls. The stimuli depicted males and females from ages 6 to 25 years. Maximum penile volume changes were recorded during the 30 second stimulus presentations. Analyses showed that the phallometric test had high internal consistency (alpha=0.93) and revealed the expected erotic preference profiles for controls and extrafamilial offender groups. The homosexual group reacted most to 13–15 year old boys which made them more easily discriminated from the other groups. The intrafamilial offenders, however, overlapped considerably with controls and only 10% showed a pattern of penile responses expected for the ‘classical pedophile’, i.e., largest responses to female children. The pattern of results supported the accumulating evidence that child sexual abusers are heterogeneous in terms of their sexual preference profiles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00849718
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Heparin potentiates the action of acidic fibroblast growth factor by prolonging its biological half-life (1989)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 138 (1989), S. 221-226 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The mechanism(s) by which heparin influences the biological activities of acidc and basic fibroblast growth factors (aFGF and bFGF) is not completely understood. One mechanism by which heparin could alter the biological activities of aFGF and bFGF is by altering their biological half-lives. We investigated the possibility that heparin potentiates aFGF-induced neurite outgrowth from PC12 cells by prolonging its biological half-life. Under conditions where heparin potentiated aFGF-induced neurite outgrowth, we observed that heparin increased the biological half-life of aFGF from 7 to 39 hr. We determined that 〉25 hr of exposure to active aFGF was required for induction of neurite outgrowth. If aFGF activity was maintained for greater than 25 hr by periodic readdition of factor, heparin no longer potentiated aFGF-induced neurite outgrowth. These observations strongly suggest that heparin potentiates the activity of aFGF by prolonging its biological half-life. The protease inhibitors hirudin, leupeptin, and pepstatin A did not potentiate aFGF-induced neurite outgrowth, indicating that proteases inhibited by these inhibitors are not responsible for the loss of aFGF activity that we observed. However, aprotinin potentiated aFGF neurite-promoting activity approximately sevenfold, indicating that proteases that are inhibited by aprotinin are at least partially responsible for aFGF inactivation. These observations suggest that heparin regulates the activity of aFGF by regulating its proteolytic degradation, thereby regulating its biological half-life.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041380202
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    Paper (German National Licenses)
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