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  • 1
    Electronic Resource
    Electronic Resource
    The morphology of Trichomonas wenyoni (Protozoa, mastigophora) (1949)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 85 (1949), S. 519-531 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050850307
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Purification of firefly luciferinSupported in part by a grant from the American Philosophical Society. (1949)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 34 (1949), S. 457-466 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030340310
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The permeability of rabbit leucocytes to sodium, potassium and chloride (1949)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 34 (1949), S. 493-519 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030340312
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    Paper (German National Licenses)
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  • 4
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    Investigation of Icing Characteristics of Typical Light Airplane Engine Induction Systems (1949)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The icing characteristics of two typical light-airplane engine induction systems were investigated using the carburetors and manifolds of engines in the horsepower ranges from 65 to 85 and 165 to 185. The smaller system consisted of a float-type carburetor with an unheated manifold and the larger system consisted of a single-barrel pressure-type carburetor with an oil-jacketed manifold. Carburetor-air temperature and humidity limits of visible and serious Icing were determined for various engine power conditions. Several.methods of achieving ice-free induction systems are discussed along with estimates of surface heating requirements of the various induct ion-system components. A study was also made of the icing characteristics of a typical light-airplane air scoop with an exposed filter and a modified system that provided a normal ram inlet with the filter located in a position to Induce inertia separation of the free water from the charge air. The principle of operation of float-type carburetors is proved to make them inherently more susceptible to icing at the throttle plate than pressure-type carburetors.. The results indicated that proper jacketing and heating of all parts exposed to the fuel spray can satisfactorily reduce or eliminate icing in the float-type carburetor and the manifold. Pressure-type carburetors can be protected from serious Icing by proper location of the fuel-discharge nozzle combined with suitable application of heat to critical parts.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: NACA-TN-1790
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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