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  • 1985-1989  (4)
  • 1955-1959
  • 1987  (2)
  • 1986  (2)
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  • 1985-1989  (4)
  • 1955-1959
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Synergistic activation of rat supraoptic neurosecretory neurons by noxious and hypovolemic stimuli (1986)
    Springer
    Experimental brain research 62 (1986), S. 572-578 
    Details
    ISSN: 1432-1106
    Keywords: Vasopressin cell ; Noxious input ; Hypovolemia ; Supraoptic nucleus ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effects of saphenous nerve stimulation on discharge activity of supraoptic neurosecretory (NS) cells were studied in anesthetized rats. Of 112 supraoptic neurosecretory cells, 62 exhibited a ‘phasic’ discharge pattern. The nerve stimulation transiently excited 46 of these 62 ‘phasic’ units, as well as 35 of the 50 remaining ‘non-phasic’ units. No appreciable blood pressure change was noted using PSTHs with 1-ms resolution. Though the nerve stimulation also evoked a flexor reflex of the ipsilateral hind limb, blockage of the hind limb movement with gallamine did not alter the amplitude of the supraoptic cell excitation. The threshold of the nerve stimulation was higher for the excitation than for the flexor reflex. Effects of hypovolemic and hyperosmotic stimuli on discharge activity of ‘phasic’ cells during saphenous nerve stimulation were studied to find a possible interaction between these stimuli. Hemorrhage potentiated the transient excitation evoked by the nerve stimulation in all of the 8 ‘phasic’ cells tested, while no such effect was seen after an injection of hypertonic sodium chloride solution in the 7 ‘phasic’ cells tested. These electrophysiological data suggest that hypovolemic and noxious stimuli potentiate VP secretion in a synergistic manner but that hyperosmotic and noxious stimuli do not.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00236036
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    LIFE PREDICTION OF 316 STAINLESS STEEL UNDER CREEP-FATIGUE LOADING (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 9 (1987), 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: Life prediction for creep-fatigue loading conditions should be related to creep damage mechanisms. In order to examine the effect of the creep damage mode on rupture life under creep-fatigue loading, a “combined creep-fatigue loading test” was carried out on 316 stainless steel. In this method, creep loading and fatigue loading are repeated alternately. The fracture criteria under combined loading closely depend on the creep fracture modes of the static creep test. A new life prediction method which uses this new fracture criterion is proposed. The criteria are changed when the creep damage mode varies. In order to verify the adequacy of this method, fatigue tests with a tensile strain-hold wave form were carried out. It is clear that rupture life in such fatigue tests is dependent on the chosen fracture criteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1987.tb00467.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Reflection electron microscopy (1987)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 20 (1987), S. 147-160 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Reflection electron microscopy (REM) in ultra-high vacuum (UHV) conditions is reviewed. UHV-REM can characterize surface structures of monolayer levels such as steps, domains of reconstructed surface structures and their boundaries and these capabilities are used to observe surface dynamic processes such as phase transitions of reconstructed surface structures and adsorbate structures and adsorption processes, oxidations, sublimations and ion-sputtering and annealing. The method is compared with other surface-imaging techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889887086916
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Epidemiological studies of hemorrhagic fever with renal syndrome (HFRS) related virus infection among urban rats in Hokkaido, Japan (1986)
    Springer
    Archives of virology 88 (1986), S. 231-240 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Seroepidemiological studies of hemorrhagic fever with renal syndrome (HFRS) virus infection were carried out among urban rats(Rattus norvegicus andRattus rattus) and small field rodents in Hokkaido, Japan. An urban rat colony that was seropositive to SR-11 strain of HFRS virus (laboratory rat origin) was demonstrated in February 1983 at a dumping ground area of Kami-iso Town near Hakodate port. An HFRS-related virus, named KI-262 strain, was isolated from the lung tissue of a seropositive rat using Vero-E6 cell culture. Antigenicity of the isolate was closely related to Hantaan 76–118 and SR-11 strains by the indirect immunofluorescent antibody (IFA) test. No seropositive rat was found among the 861 rats captured in 38 other regions. It is unclear whether or not the infected rats in the positive area were introduced from abroad, though the area is located near Hakodate International Port. Furthermore, higher positive rates of urban rats in the Kami-iso area were observed in the spring and winter than in the summer and fall. Significantly high proportion of positive cases was observed among adult rats (six months or older) than among younger animals. The seasonal and age distribution of postive cases suggested that the virus was not readily transmitted from one infected rat to another. One seropostive case of a small field mouse(Clethrionomys rufocanus bedfordiae) was detected around the Kami-iso area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01310877
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    Paper (German National Licenses)
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