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  • 1975-1979  (4)
  • 1975  (4)
Material
Years
  • 1975-1979  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 31 (1975), S. 841-845 
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The geometrical condition under which simultaneous reflexions occur with a general setting of a crystal has been formulated in three equations in terms of reciprocal-lattice vectors. A procedure is described to correct the intensity data for structure analysis for the intensity perturbation due to simultaneous reflexion. The following practical experimental conditions were taken into account: the effect due to the circumstance that the primary and secondary reflexions do not always occur exactly at the same time, the divergence and insufficient monochromatization of the incident beam, and a finite size and mosaicity of crystal specimen. The correction for simultaneous reflexion was applied to the X-ray intensity data from diformylhydrazine. It was shown that non-equal intensities among equivalent reflexions could be corrected reasonably by this method.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European archives of oto-rhino-laryngology and head & neck 211 (1975), S. 65-68 
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The turnover time of the epithelial cells of a normal eustachian tube was estimated in guinea pigs by means of lightmicroscopic autoradiography with thymidine-H3. The cell migration from the basal layer to the tubal lumen was chased by sacrificing the animals at different intervals after thymidine-H administration. This study revealed that the generative cells were the basal cells in the tubal epithelium and that the different types of maturative cells in the epithelium have a different life span. The turnover time of non-ciliated secretory cells was about 145 hrs (about 6 days), while that of ciliated cells and goblet cells more than 6 days.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Archive of applied mechanics 44 (1975), S. 53-62 
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Es wird die Möglichkeit untersucht, die Fließeigenschaften von Metallen unter hohen Temperaturen und bei zyklischer Belastung vorauszubestimmen. Wichtigste Voraussetzung ist dafür, daß die Fließfunktion als eine lineare Summe der Fließfunktion im vorhergehenden Zustand und der Fließfunktion durch die plastische Dehnungszunahme in diesem Zustand ausgedrückt werden kann. Die vorgeschlagene allgemeine Theorie wurde auf den Sonderfall der Yoshimuraschen Fließbedingungen angewandt. Es wurden an dünnwandigen Proben zyklische Spannungs-Torsions-Versuche durchgeführt. Gleichzeitig wurde eine zyklischinduzierte gerichtete Dehnung untersucht. Experimentelle und theoretische Ergebnisse stimmen gut überein.
    Notes: Summary A method to predict the yield conditions of metal at elevated temperature subjected to cyclic loading is presented in this paper. The main assumption made herein is that the yield function can be expressed as the linear sum of the yield function at the preceding stage and the one associated with the plastic strain increment at the present stage. The proposed general theory was applied to the special case of Yoshimura's yield condition. Cyclic tension-torsion tests were conducted on thin-walled tubular specimens; and simultaneously, the cyclically induced ratcheting strain was examined. Good correlation was obtained between experimental and theoretical results.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International urology and nephrology 7 (1975), S. 49-53 
    ISSN: 1573-2584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A case of retrocaval ureter associated with carcinoma of the renal pelvis has been presented. This is the 2nd such case out of 110 cases reported in Japan. It is suggested that long term stagnation of urine is the cause for such a high incidence of malignant neoplasm involving the renal pelvis.
    Type of Medium: Electronic Resource
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