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  • 1
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0001(1142-G)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III, G-16 S. + 7 pl.
    Series Statement: U.S. Geological Survey bulletin 1142-G
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0001(1141-O)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III, O-24 S. + 1 pl.
    Series Statement: U.S. Geological Survey bulletin 1141-O
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 16 (1978), S. 279-287 
    ISSN: 1432-0630
    Keywords: 42.80 ; 85.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Optical projection of masks is a very troublesome task if dimensions are in the submicron range. It is difficult to get an undistorted image in the resist. This problem can be overcome by introducing corrections in the penultimate mask. Till now this has been done by a trial and error method in which an acceptable pattern is made only after a time consuming iterative process. In this paper a description will be given of the image forming process in which diffraction at the penultimate mask and at the aperture of the lens are the critical features. Based upon this theory correction formulas are derived for the direct design of penultimate masks. Rules for maximum edge sharpness are given, so that the tolerance demands on the production process can be relaxed. Extensive experimental measurements are in good agreement with theory. It will be shown theoretically as well as practically that by asymmetrical arrangement of the optical system images of gratings with 0.2–0.3 μm linewidth can be obtained.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 25 (1960), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 108-108 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are conflicting opinions on whether olfactory acuity is a reliable, reproducible index of appetite, hunger, or satiety. According to Goetzl2, freely selected meals, as well as administration of sucrose solutions, were preceded by increased olfactory acuity and followed by decreased acuity. ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 191 (1961), S. 1270-1272 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PHOTO-POLAROGRAPHY, originating from the synthesis of photo-chemistry and polarography, records photokinetic-currents caused by photo-depolarizers, as well as their dark reactions. Photo-depolarizers in a restricted sense can be defined as follows. They originate from a photo-reaction, for ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biophysics and Biomolecular Structure 4 (1975), S. 119-136 
    ISSN: 0084-6589
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A method of prediction of perceptibility of luminous-transmittance and dominant wave-length differences by spectrophotometric measurements is given for a small area of the color continuum with a specific product. Graphs are presented from which the dominant wave-length or luminous-transmittance differences necessary for discrimination are read directly, at various probability levels of success, for any dominant wave length or transmittance over the range of red wines.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Meteorology and atmospheric physics 26 (1977), S. 361-379 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Ursprung und Lebenslauf einer Gewitterlinie, die auf dem südafrikanischen Plateau beobachtet wurde, werden besprochen. Diese Gewitterlinie war mit einer Kaltfront assoziiert, was im allgemeinen in diesem Teil Südafrikas nicht der Fall ist. Die Gewitterlinie bewegte sich mit 35 km/h nach Nordosten, wesentlich schneller als die Front und mit einer mehr nördlichen Komponente als die Höhenwinde. Sie war mindestens 400 km lang, mit einem ununterbrochenen Mittelstück von 110 bis 130 km und nicht miteinander verbundenen Gewittern zu beiden Seiten. Im Raum von Johannesburg und Pretoria fiel Hagel von verschiedenen Gewitterzellen auf kleine Flächen. Radar Echos waren selten höher als 8 km über der Stationshöhe (1490 m über d. M.). Eine Gewitterzelle des Mittelstückes verstärkte sich in Intensität, Höhe und horizontaler Ausbreitung, während sie über Pretoria zog (die Echoobergrenze war zwischen 10 und 11 km); dabei fielen Hagelschlossen bis zu 3 cm Durchmesser. So wie die Nachbarzellen bewegte auch sie sich außergewöhnlich schnell und beinahe parallel zur Längsachse der Gewitterlinie (ostwärts mit 65 km/h) gemäß den Höhenwinden zwischen 600 und 500 mb. Der Echokern war auffällig nach Ostsüdosten geneigt was von der starken Windscherung verursacht wurde. Im Bereich dieses Überhanges fiel der Hagel bevor es am Boden anfing zu regnen.
    Notes: Summary The origin and life cycle of a squall line observed on the South African plateau are reviewed. The squall line was associated with a cold front whereas most squall lines in the subtropical part of the continent are not. It moved to the north-east and to the left of the upper winds at a speed of 35 km/h, which was considerably faster than that of the front. The squall line was at least 400 km long, with an unbroken central region of 110 to 130 km, on both sides of which were well-separated storms. In the area of Johannesburg and Pretoria, small patches of hail were produced by various cells. Radar echoes above 8 km AGL1 were rare. One cell of the unbroken portion while passing over Pretoria intensified rapidly, extended in all three dimensions (echo top up to 11 km AGL) and produced hailstones of up to 3 cm in diameter. Like its neighbouring cells, it moved exceptionally fast and almost parallel to the long axis of the squall line (eastewards at 65 km/h), following the winds between 600 and 500 mb. The echo core was tilted significantly towards east-south-east as a result of the strong wind shear. In the region of this overhang hailstones reached the ground before the onset of rain.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 50 (1963), S. 356-357 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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