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  • 1
    Electronic Resource
    Electronic Resource
    Congenital cerebellar neuroepithelial tumor with multiple divergent differentiations (1980)
    Springer
    Acta neuropathologica 50 (1980), S. 143-146 
    Details
    ISSN: 1432-0533
    Keywords: Congenital cerebellar tumor ; Neuroepithelial ; Various differentiations ; Histogenesis ; Matrix cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of congenital cerebellar tumor is reported. The tumor is composed of a few incomplete tubular structures analogous to the neural tube, and of neuroblastic, mature ganglionic, astrocytic, ependymal and undetermined neuroepithelial cells. A tentative diagnosis of congenital cerebellar neuroepithelial tumor with multiple divergent differentiations is made: the histogenesis is discussed. From a histogenetic point of view this tumor is given the provisional name of matrix cell tumor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692865
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  • 2
    Electronic Resource
    Electronic Resource
    Computerized tomography in dorsal spinal stenosis (1980)
    Springer
    Acta neurochirurgica 53 (1980), S. 161-167 
    Details
    ISSN: 0942-0940
    Keywords: Dorsal spinal stenosis ; ligamentum flavum ; computerized tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This report presents three cases of dorsal spinal stenosis due to thickened laminar arches and facet joints demonstrated by computerized tomography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02074788
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  • 3
    Electronic Resource
    Electronic Resource
    Debris Flow (1981)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Fluid Mechanics 13 (1981), S. 57-77 
    Details
    ISSN: 0066-4189
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.fl.13.010181.000421
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  • 4
    Electronic Resource
    Electronic Resource
    Discussion of Papers Presented at the Symposlum: Electrical Charge Seperation during Ice Deformation and Fracture under a Temperature Gradient. (1983)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 87 (1983), S. 4332-4332 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100244a616
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  • 5
    Electronic Resource
    Electronic Resource
    Calcium transients in mammalian muscles (1980)
    [s.l.] : Nature Publishing Group
    Nature 284 (1980), S. 560-561 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The experiments were done on the fast-twitch extensor digitorum longus (EDL) and slow-twitch soleus (Sol) muscles of the rat, and on human intercostal muscle obtained during thoracic surgery. The isolated muscles were mounted in a bath perfused with oxygenated mammalian Ringer10, which contained ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/284560a0
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  • 6
    Electronic Resource
    Electronic Resource
    The principles and technique of limb lengthening (1981)
    Springer
    International orthopaedics 5 (1981), S. 69-83 
    Details
    ISSN: 1432-5195
    Keywords: Limb lengthening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs présentent en détail les études qu'ils ont entreprises depuis 1962, concernant l'allongement des membres inférieurs. Ils exposent leur technique opératoire ainsi que les travaux expérimentaux sur lesquels ils ont basé leur méthode. Ils discutent les facteurs qui permettent de déterminer les indications opératoires, ils présentent les résultats de 252 allongements tibiaux et de 58 allongements fémoraux et ils en tirent leurs conclusions.
    Notes: Summary We present the details of our studies of leg lengthening since 1962. The operative technique is outlined and the experiments upon which we have based our method are described. The factors which determine the choice of operation and influence its outcome are discussed, the results of 252 tibial and 58 femoral lengthenings are analysed and our conclusions given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00267836
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  • 7
    Electronic Resource
    Electronic Resource
    Thermal annealing and light irradiation effects on hole and electron drift mobilities of Se93.5As6.5 and Se94.3Ge5.7 films (1981)
    Springer
    Applied physics 26 (1981), S. 179-184 
    Details
    ISSN: 1432-0630
    Keywords: 72.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Thermal annealing and light irradiation effects on hole and electron drift mobilities were studied for amorphous Se93.5As6.5 and Se94.3Ge5.7 films by means of a time-of-flight technique. The electron drift mobility and its activation energy show a drastic increase after the heat and light treatments, while the hole drift mobility remains almost unchanged. The change of electron transport is attributed to a relaxation of local structural distortion, which is correlated with relatively shallow localized states. The present experimental results are inconsistent with the prior proposal that electron transport in amorphous selenides is correlated with Se8 ring molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00614754
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  • 8
    Electronic Resource
    Electronic Resource
    ß-Al2O3 synthesis from m-Al2O3 (1980)
    Springer
    Journal of applied electrochemistry 10 (1980), S. 291-297 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract β-Al2O3 formation fromm-Al2O3 was found by a new convenient technique. By thermal decomposition of a complex compound, trioxalatoaluminate Na x (NH4)3−x [Al(C2O4)3]yH2O(0.091 ⩽x ⩽ 0.333;y= 3), a very fine powder ofm-Al2O3 was formed. The decomposition process was examined by thermal analysis and X-ray diffraction and the phase relation of the system Na2O-Al2O3 in the midtemperature region between 600 and 1200° C is discussed briefly. The tablet ofm-Al2O3 was fired at 1600° C for 30 min to prepare denseβ-Al2O3 ceramics, the apparent density of which was greater than 95% of the theoretical value. The sintered tablet was examined from the structural point of view and the electrical conductivity was measured by an a.c. method to verify that the procedure of the complex decomposition is a suitable technique forβ-Al2O3 synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00617203
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  • 9
    Electronic Resource
    Electronic Resource
    Synthesis of potassium beta-alumina by thermal decomposition of a complex (1981)
    Springer
    Journal of applied electrochemistry 11 (1981), S. 77-82 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Potassium beta-alumina was synthesised from potassiumm-alumina by a new technique. Thermal decomposition of a complex, trioxalatoaluminate K x (NH4)3−x [Al(C2O4)3] ·3H2O (0.091⩽x⩽ 0.333), resulted in the formation of a fine powder of Km-alumina with mullite-like structure. The decomposition process was studied by thermal analysis and X-ray diffraction, and the phase relation of the K2O-Al2O3 system is discussed in the mid-temperature region of 600–1200°C. The a.c. conductivity, the apparent density and the lattice parameters were measured. The complex decomposition was shown to be a suitable method for Kβ-alumina synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615325
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  • 10
    Electronic Resource
    Electronic Resource
    Ionic conduction in solid solution of the system La2O3-CaF2 (1984)
    Springer
    Journal of applied electrochemistry 14 (1984), S. 687-692 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The crystal phase and the electrical conduction in sesquioxide-alkaline earth difluoride systems were investigated. LaOF-type cubic solid solution was found in the system La2O3-CaF2. This phase showed anion conductivity comparable to that of YF3-doped CaF2. Electrolysis by Tubandt's method showed that the conduction was predominantly attributed to fluoride ions. In this solid electrolyte, the fluoride ion is easily substituted by oxide ion through cathode reaction in the oxygen atmosphere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615255
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