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  1. 1821
  2. 1822

    Community problem-solving framed as a distributed information use environment: bridging research and practice by Joan C. Durrance, Maria Souden, Dana Walker, Karen E. Fisher

    Published 2006-01-01
    Subjects: “…This article results from a qualitative study of 1) information behavior in community problem-solving framed as a distributed information use environment and 2) approaches used by a best-practice library to anticipate information needs associated with community problem solving.…”
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    Article
  3. 1823
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  11. 1831

    Diplomacia y construcción monárquica by Óscar Villarroel González

    Published 2020-07-01
    Subjects: “…and through some special cases of study of the role played by churchmen in the royal service…”
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    Article
  12. 1832

    To Link Life Histories to Historical Narratives by Irène Dos Santos

    Published 2022-07-01
    Subjects: “…the memory of dictatorship can be imbricated with that of decolonization. Studying current research — historiography…”
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    Article
  13. 1833
  14. 1834

    Building a foundation to study distributed information behaviour by Terry L. von Thaden

    Published 2007-01-01
    Subjects: “…and Activity Theory to develop a framework to study the interactions of discourse…”
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    Article
  15. 1835
  16. 1836

    COMPARATIVE RESEARCHES OF FRACTURES OF HIGH-STRENGTH CAST IRON IN THE AS-CAST AND DEFORMED STATE by A. I. Pokrovsky, I. N. Khrol

    Published 2016-01-01
    Subjects: “…the results of comparative studies of fracture surfaces of high-strength cast iron in the as-cast state and after hot direct extrusion through an aperture of a conical die are presented. the shape change of graphite inclusions and components of the metal matrix is examined with increasing the reduction ratio from 0 (as-cast state) to 80%. for the fist time, using the electrochemical etching of the metal matrix of the cast iron, it is demonstrated experimentally that at plastic deformation the ductile flow of graphite inclusions occurs without fracturing of the latter. the surface morphology of a deformed graphite inclusion is revealed. it is shown that inside the inclusion the strain is distributed non-uniformly: the peripheral zones are deformed to a larger extent while the central part may retain its original radial structure. the fact that the most part of graphite inclusions on the fracture surface of the deformed cast iron appeared undamaged (very small amount of fractured inclusions was observed) testifies against the common opinion that graphite acts as a crack nucleation site. a hypothesis is put forward that the crack nucleates in the metal matrix, presumably at the pearlite/ferrite interface, and propagates from one graphite inclusion to another rounding but not damaging the latter.…”
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