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World Maps for Finding the Direction and Distance of Mecca
The author describes how Muslims over the centuries have determined the sacred direction ("qibla") towards Mecca and presents two highly sophisticated Mecca-centred world-maps for finding the "qibla." These recently-discovered world-maps have forced a reevaluation of Muslim achievements in mathematics and cartography.
Néphrotoxicity : Interaction of Drugs with Membranes Systems
Nephrotoxicity : Otoxicity of Drugs. Ce livre rassemble les textes des communications présentées au symposium de Rouen (mai 1981) ayant pour thème l'étude de la néphrotoxicité des antibiotiques. La majeure partie de l'ouvrage est réservée à la néphrotoxicité des aminoglycosides. Sont détaillés les aspects morphologiques, les résultats d'études autoradiographiques, d'études de fractionnement cellulaires permettant l'analyse du comportement des mitochondries ou des lysosomes. Une large part est réservée aux variations de multiples enzymes urinaires excrétées sous l'action des médicaments. Le rôle de nombreux facteurs est largement discuté : influence des doses injectées...
Structural Research / Strukturforschung
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 ...
Geometries Of Nature, Living Systems And Human Cognition: New Interactions Of Mathematics With Natural Sciences And Humanities
The collection of papers forming this volume is intended to provide a deeper study of some mathematical and physical subjects which are at the core of recent developments in the natural and living sciences. The book explores some far-reaching interfaces where mathematics, theoretical physics, and natural sciences seem to interact profoundly. The main goal is to show that an accomplished movement of geometrisation has enabled the discovery of a great variety of amazing structures and behaviors in physical reality and in living matter. The diverse group of expert mathematicians, physicists and natural scientists present numerous new results and original ideas, methods and techniques. Both academic and interdisciplinary, the book investigates a number of important connections between mathematics, theoretical physics and natural sciences including biology.
