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  • 1
    Monograph available for loan
    Monograph available for loan
    Die soziale Verantwortung der Christen : die Katholische Sozialwissenschaftliche Zentralstelle Mönchengladbach (2017)
    Paderborn : Ferdinand Schöningh
    Details Availability
    Call number: PIK E 825-17-90985
    Type of Medium: Monograph available for loan
    Pages: 210 Seiten , 23.3 cm x 15.7 cm
    ISBN: 3506786776 , 9783506786777
    URL: Inhaltstext
    URL: Inhaltsverzeichnis
    Language: German
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
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    Fluorescence imaging of viscous materials in the ultraviolet-visible wavelength range (2014)
    American Institute of Physics (AIP)
    Details
    Publication Date: 2014-08-14
    Description: This paper presents an approach of an innovative measurement principle for the quality control of viscous materials during a manufacturing process based on fluorescence imaging. The main contribution to the state of the art provided by this measurement system is that three equal fluorescence images of a static or moving viscous object are available in different optical paths. The independent images are obtained by two beam splitters which are connected in series. Based on these images, it is possible to evaluate each image separately. In our case, three optical bandpass filters with different center wavelengths of 405 nm, 420 nm, and 440 nm were used to filter the separate fluorescence images. The developed system is useable for the detection of impurities in the micrometer range. Further, incorrect mixing ratios of particular components and wrong single components in the viscous materials can be detected with the setup. Moreover, it is possible to realize static and dynamic measurements. In this case the maximum speed of the objects was 0.2 m/s for the dynamic measurements. Advantages of this measurement setup are the universality due to the use of optical standard components, the small dimension and the opportunity to integrate it easily into ongoing processes. In addition, the measurement system works on a non-contact basis. Thus, the expense for maintenance is at a very low level compared to currently available measurement setups for the investigated application. Furthermore, the setup provides for the first time a simultaneous analysis of more than one component and the detection of impurities concerning their nature and size in a manufacturing process.
    Print ISSN: 0034-6748
    Electronic ISSN: 1089-7623
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Published by American Institute of Physics (AIP)
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  • 3
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    Sensors, Vol. 17, Pages 399: Non-Dispersive Infrared Sensor for Online Condition Monitoring of Gearbox Oil (2017)
    MDPI Publishing
    In: Sensors
    Details
    Publication Date: 2017-02-19
    Description: The condition of lubricating oil used in automotive and industrial gearboxes must be controlled in order to guarantee optimum performance and prevent damage to machinery parts. In normal practice, this is done by regular oil change intervals and routine laboratory analysis, both of which involve considerable operating costs. In this paper, we present a compact and robust optical sensor that can be installed in the lubrication circuit to provide quasi-continuous information about the condition of the oil. The measuring principle is based on non-dispersive infrared spectroscopy. The implemented sensor setup consists of an optical measurement cell, two thin-film infrared emitters, and two four-channel pyroelectric detectors equipped with optical bandpass filters. We present a method based on multivariate partial least squares regression to select appropriate optical bandpass filters for monitoring the oxidation, water content, and acid number of the oil. We perform a ray tracing analysis to analyze and correct the influence of the light path in the optical setup on the optical parameters of the bandpass filters. The measurement values acquired with the sensor for three different gearbox oil types show high correlation with laboratory reference data for the oxidation, water content, and acid number. The presented sensor can thus be a useful supplementary tool for the online condition monitoring of lubricants when integrated into a gearbox oil circuit.
    Electronic ISSN: 1424-8220
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Published by MDPI Publishing
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  • 4
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    Zeitgeschichte in Lebensbildern Band 12 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-01
    Description: Volume 12 contains the biographies of Rainer Barzel (1924-2006), Alfred Dregger (1920-2002), Johannes Dyba (1929-2000), Hermann von Grauert (1850-1924), Paulus van Husen (1891-1971), Richard Jaeger (1913-1998), Thusnelda Lang-Brumann (1880-1953), Amalie Lauer (1882-1950), Franz Meyers (1908-2001), Hermann Platz (1880-1945), Otto B. Roegele (1920-2005), Wilfried Schreiber (1904-1975), Josef Stingl (1919-2004), Arthur F. Utz (1908-2001), Hermann Kardinal Volk (1903-1988), Wilhelm Weber (1925-1983).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 5
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    Zeitgeschichte in Lebensbildern Band 10 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-04
    Description: Volume 10 contains the biographies of Pauline von Mallinckrodt (1817-1881), Hermann Cardauns (1847-1925), Erich Klausener (1885-1934), Karl Joseph Kardinal Schulte (1871-1941), Rupert Mayer SJ (1876--1945), Heinrich Weber (1888-1946), Alois Fürst zu Löwenstein (1871-1952), Georg Moenius (1890-1953), Hans Peters (1896-1966), Johannes Hoffmann (1890-1967), Ida Friederike Görres (1901-1971), Fritz Burgbacher (1900-1978), Heinrich Köppler (1925-1980), Heinrich Böll (1917-1985), Franz-Josef Wuermeling (1900-1986), Alfons Goppel (1905-1991), Josef Stimptle (1916-1996), August Everding (1928-1999).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 6
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    Zeitgeschichte in Lebensbildern Band 2 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-06
    Description: Volume 2 contains the biographies of Bernhard Letterhaus (1894-1944), Edith Stein (1891-1942), Clemens August Kardinal von Galen (1878-1946), Friederich Muckermann (1883-1946), Ildefons Herwegen (1874-1946), Franz von Papen (1879-1969), Konrad Kardinal von Faulhaber (1869-1952), Waldemar Gurian (1902-1954), Karl Arnold (1901-1958), Jakob Kaiser (1888-1961), Gustav Gundlach (1892-1963), Georg Schreiber (1882-1963), Konrad Adenauer (1876-1967), Christine Teusch (1888-1968).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 7
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    Zeitgeschichte in Lebensbildern Band 6 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-01
    Description: Volume 6 contains the biographies of Benedikt Schmittmann (1872-1939), Alfred Delp SJ (1907 -1945), Conrad Gröber (1872-1948), Johannes Joseph van der Velden (1891-1954), Reinhold Schneider (1903-1958), Andreas Hermes (1878-1964), Hermann-Josef Schmitt (1896-1964), Paul Jostock (1895-1965), Fritz Schäffer (1888-1967), Heinrich Lübke (1894-1972), Theodor Blank (1905-1972), Adolf Süsterhenn (1905-1974), Peter Altmeier (1899-1977), Elisabeth Zillken (1888-1980), Karl Forster (1928-1981), Johannes Messner (1891-1984).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 8
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    Zeitgeschichte in Lebensbildern Band 4 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-07
    Description: Volume 4 contains the biographies of Adam Müller (1779-1829), Wilhelm Emmanuel Frhr. von Ketteler (1811-1877), Ignaz Döllinger (1799-1890), Clara Fey (1815-1894), Ernst Lieber (1838-1902), Lorenz Werthmann (1858-1921), Carl Sonnenschein (1876-1929), Viktor Cathrein (1845-1931), August Pieper (1866-1942), Agnes Neuhaus (1854-1944), Martin Spahn (1875-1945), Nikolaus Groß (1898-1945), Carl Ulitzka (1873-1953), Vitus Heller (1882-1956), Wilhelm Böhler (1891-1958), Michael Keller (1896-1961), Heinrich von Brentano (1904-1964), Eberhard Welty (1902-1965), Anton Storch (1892-1975).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 9
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    Zeitgeschichte in Lebensbildern Band 11 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-03
    Description: Eugen Jäger (1842-1926), Johannes Giesberts (1865-1938), Theodor Brauer (1880-1942), Bernhard Lichtenberg (1875-1943), Maria Grollmuß (1896-1944), Franz Sperr (1878-1945), Georg Angermaier (1913-1945), Anton Pfeiffer (1888-1957), Hans Lukaschek (1885-1960), Hanns Seidel (1901-1961), Georg Dertinger (1902-1968), Paul Lücke (1914-1976), Hugo Dornhofer (1896-1977), Alois Dempf (1891-1982), Franz Thedieck (1900-1995), Gerhard Schaffran (1912-1996), Erwin Iserloh (1915-1996), Hans Katzer (1919-1996), Luise Rinser (1911-2002).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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  • 10
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    Zeitgeschichte in Lebensbildern Band 7 (2024)
    Aschendorff Verlag | Aschendorff Verlag
    Details
    Publication Date: 2024-04-03
    Description: Volume 7 contains the biographies of Therese Studer (1862-1931), Fritz Gerlich (1883-1934), Max Josef Metzger (1887-1944), Maximilian Kaller (1880-1947), Franz Albert Kramer (1900-1950), Leo Wohleb (1888-1955), Josef Beyerle (1881-1963), Maria Probst (1902-1967), Gertrud von le Fort (1876-1971), Josef Kardinal Frings (1887-1978), Alfred Kardinal Bengsch (1921-1979), Hubert Jedin (1900-1980), Karl Rahner SJ (1904-1984), Alois Mertes (1921-1985), Franz Joser Strauß (1915-1988), Kurt Georg Kiesinger (1904-1988), Heinrich Krone (1895-1989), Oswald von Nell-Breuning SJ (1890-1991).
    Keywords: history ; biography ; catholic personalities ; german personalities ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: German
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