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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 76 (1932), S. 608-627 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Die Strukturempfindlichkeit der Ultraviolettfärbung und Erregung von Steinsalzkristallen verschiedener Herkunft wird durch lichtelektrisch-photometrische Untersuchung des Einflusses von Temperung und plastischer Verformung auf ihre optischen Eigenschaften quantitativ festgelegt. Die spezifischen Höchsterregungen im Maximum der Absorptionsbande (465 mμ) sind in weitem Umfang von der unerregten Färbungsintensität unabhängig, dagegen mit den individuellen Eigenschaften des Kristallmaterials und seiner thermischen oder mechanischen Vorbehandlung veränderlich. Die Verminderung der Kristallfärbungen durch plastische Deformation erlaubt die Bestimmung scharf definierter „photochemischer“ Elastizitätsgrenzen.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 23 (1976), S. 71-80 
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Mössbauer spectra were taken from thermally quenched solutions of 2 mole % FeCl2/H2O in small temperature steps from 10°K to 255°K. The Mössbauer data, especially the quadrupole splitting, show again the existence of three different phases, connected by irreversible transitions. The temperature dependence of the quadrupole splitting delivers the field parameters of the crystalline field at the iron atom in the three different states. For state I and II the field parameters are consistent with the description of the microstructure of the surroundings of the Fe++-ion as that of a Fe(H2O) 6 ++ -complex in a disordered (state I) and in an ordered environment (state II). The microstructure of the surroundings of the Fe++-ion in state III is proposed to be that of an Fe{(H2O)4 · Cl2} · 2H2O-complex. As a specialty, the reduction of the quadrupole splitting in state III and in crystalline FeCl2 · 6H2O below 60°K reveals the influence of the spinorbit interaction on the electric field gradient.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 1966-05-01
    Print ISSN: 0015-7899
    Electronic ISSN: 1434-0860
    Topics: Technology
    Published by Springer
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  • 4
    Publication Date: 1966-07-01
    Print ISSN: 0015-7899
    Electronic ISSN: 1434-0860
    Topics: Technology
    Published by Springer
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  • 5
    Publication Date: 1968-11-01
    Print ISSN: 0015-7899
    Electronic ISSN: 1434-0860
    Topics: Technology
    Published by Springer
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  • 6
    Publication Date: 2024-04-01
    Description: Ernst Friedrich Sieveking is one of the outstanding personalities in Hamburg's history. He showed special talents at an early age, so that he was already a fully trained lawyer at the age of 21. He then joined a renowned law firm which he managed successfully for many years on his own. In 1879 Sieveking was appointed the first president of the newly founded Hanseatic Higher Regional Court in 1879. Until his death, for thirty years, he remained president of the Court of First Instance, which earned him a high reputation as an expert on maritime law. In addition, he was actively involved in the founding of Hamburg University, which is why he was also a member of the first board of trustees of the Hamburg Scientific Foundation. Surrounded by three representative buildings, the Sievekingplatz in Hamburg still reminds us of him to this day.
    Keywords: Ernst Friedrich Sieveking ; President ; Hanseatic Higher Regional Court ; Hamburg ; 19th century ; 20th century ; Hamburg Scientific Foundation ; Board of Trustees ; University of Hamburg ; Science and Humanities ; thema EDItEUR::N History and Archaeology::NH History
    Language: German
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  • 7
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    Hamburg University Press
    Publication Date: 2024-04-11
    Description: Julius Carl Ertel held a special position as director and later as sole owner of a copper smelter in the commercial and trading city of Hamburg. Born in Wroclaw, he came to the Hanseatic city at the age of 26. Together with Rudolph Bieber, he founded Ertel, Bieber & Co. in 1872. The company had its facilities in the middle of the harbour area. However, Ertel gained its decisive importance through the extensive connections he made with numerous other companies throughout Germany. In the supervisory boards of these companies, he played an active role in building up the expanding economy of the Gründerzeit. Ertel was not a man who pushed himself into the foreground. This early donor of the Hamburgische Wissenschaftliche Stiftung acted as a networker in the modern sense of the word
    Keywords: Hamburg ; entrepreneur ; biography ; period of foundation ; metalworking industry ; donor ; promotion of art and science ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TC Biochemical engineering::TCB Biotechnology
    Language: German
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  • 8
    Publication Date: 2024-04-01
    Description: The brothers Augustus Friedrich and Gustav Adolph Vorwerk deserve a closer look at their biographies not only because of the generosity with which they supported the Hamburgische Wissenschaftliche Stiftung (Hamburg Scientific Foundation) as donors, but also because of their commercial activities. Together with their father Georg Friedrich Vorwerk - who founded companies first in Hamburg, then in Chile - they pushed forward the Hamburg and Chilean economies. In the suburbs of Klein Flottbek and Nienstedten, the father and the two sons Vorwerk had stately villas built, which to this day are among the remarkable buildings of Hamburg.
    Keywords: Hamburg ; history ; 19th century ; donors ; Vorwerk ; Chile ; commerce ; thema EDItEUR::N History and Archaeology::NH History
    Language: German
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  • 9
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    Hamburg University Press
    Publication Date: 2024-04-01
    Description: As founders of the Blohm & Voss-Werft, Hermann Blohm and his partner Ernst Voss have gained importance far beyond Hamburg. By giving the company international recognition, he made a major contribution to the city's enormous upswing as a port and industrial location after 1877. In Hanseatic restraint, the patriarchal shipyard manager who managed his company with determination and rigour as a family-owned company, stepped back completely behind his work. After considerable initial difficulties, the shipyard expanded into a large enterprise. The ups and downs of the shipyard's history reflect the development of Germany in the Weimar Republic between the Wilhelminian era, the quest for power, the First World War, revolution and a new beginning. At the same time and primarily, this history comes alive in the biography of Hermann Blohm, who was also one of the donors of the Hamburgische Wissenschaftliche Stiftung (Hamburg Scientific Society).
    Keywords: Hermann Blohm ; Blohm & Voss ; shipyard ; period of foundation ; 19th century ; 20th century ; First World War ; Hamburg ; Germany ; University of Hamburg ; Hamburg Scientific Foundation ; thema EDItEUR::N History and Archaeology::NH History
    Language: German
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  • 10
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    Hamburg University Press
    Publication Date: 2024-04-01
    Description: Georg Hermann Stoltz was distinguished by his vision for economic development and his determined pursuit of a wide range of activities, as well as by his good knowledge of human nature, leadership, sales talent, and reliability. With this volume, the first biography of Georg Hermann Stoltz (1845-1939) is available. It provides valuable insights into the life of a man who, as a successful merchant and company founder in Brazil and Hamburg, has rendered outstanding services to relations between South America and Europe. The biography was written by Hans Joachim Schröder; it is the 21st volume in the series "Mäzene für Wissenschaft" published by the Hamburg Scientific Foundation. in many respects, Georg Hermann Stoltz is a typical representative of the group of Hamburg patrons who established the Hamburgische Wissenschaftliche Stiftung with their donations in 1907, thus enabling the foundation of the Hamburg University twelve years later: Like most others, he worked as an overseas merchant. Like some of the other members of the group, he built up extensive trade between South America, especially between Brazil and Hamburg. In the course of his long life he thus became a pioneer of German-Brazilian relations. His wealth allowed him to establish a generous residence in Wentorf near Hamburg and a foundation in Lüneburg, where he attended school at the Johanneum. In all this he became the ancestor of a large family that is still alive today.
    Keywords: Commerce ; Merchant ; Germany ; Brazil ; History ; 19th Century ; 20th Century ; 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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