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  • 1
    Electronic Resource
    Electronic Resource
    Der Stoß auf gerade dünnwandige Träger (1975)
    Springer
    Archive of applied mechanics 44 (1975), S. 177-188 
    Details
    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: Summary Using the differential equation of motion of the thin-walled structures, which are derived taking into account the shear strains and deformation of cross-section, the torsional and bending impact are treated. Possible solutions of differential equation are given. The effects of the deformation of cross-section are investigated. The experimental results are given for comparison.
    Notes: Übersicht Ausgehend von einem Differentialgleichungssystem, das die Bewegung dünnwandiger Träger unter Berücksichtigung der Schub- und Querschnittsdeformationen beschreibt, werden der Drill- und Biegestoß auf gerade dünnwandige Träger behandelt. Lösungsmöglichkeiten werden angegeben. Die durch die Querschnittsdeformationen bewirkten Einflüsse werden aufgezeigt und mit experimentellen Ergebnissen verglichen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00534377
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Relationship between structure and function of antennal chemo-, hygro-, and thermoreceptive sensilla in Periplaneta americana (1977)
    Springer
    Cell & tissue research 176 (1977), S. 389-405 
    Details
    ISSN: 1432-0878
    Keywords: Chemoreception ; Thermoreception ; Hygro reception ; Receptor cell structure ; Insect sensilla
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary On the antennae of Periplaneta americana, 25 chemo-, hygro- or thermosensitive sensilla were investigated electrophysiologically and, after marking, by transmission and scanning electron microscopy. A clear-cut relationship of functional types to structural types was observed. Two different stimulus conducting structures were observed: a) pore tubules which are found only in smooth, single-walled sensory pegs and b) secretion-filled canals which occur only in grooved double-walled sensilla. Temperature and humidity-sensitive receptors occur only in double-walled sensilla with secretion material as the stimulus conducting system. Olfactory sensory cells were found in both types, however, those with a specific sensitivity for short-chain n-alcohols are restricted to single-walled pegs with pore tubules, while those which are most sensitive to short-chain n-acids and amines are found in double-walled sensilla, sometimes together with thermosensitive units. The stimulus conducting systems may control the access of odorous substances to the dendritic membranes and thus contribute to the discriminatory properties of the sensilla.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00221796
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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