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107 In this way the absolute values of the structure factors may be found, not the phases (6. 8). The problem to find these phases is the phase problem. The present article will treat the following topics. At first the description of the ideal crystal will be given in Chap. B. The underlying principles of this description are the concepts of reciprocal lattice, FOURIER synthesis and sym metry. The evaluation of the intensity will then follow in Chap. C and D. Chap. E is concerned with the phase problem and related topics. Though this article treats the analysis of crystal structures, the fundamental concepts for other structures will here be found too. But these topics, and the experimental ...
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How does scientific knowledge circulate? Does scientific communication shape the making of science? Is the making of science a national endeavour or does it have an international or transnational dimension? Are teaching and research equally relevant in this endeavour? How can history of science react to the challenges posed by the changing practices of science in historical context? Beyond Borders is a book generated at the heart of these fundamental questions. In the last decades, the history of science has attained a high degree of disciplinary maturity and sophistication. However, perception of disciplinary crisis is apparent behind calls for the search of new “big pictures” and their...