Catalysis is at the heart of modern, environmentally friendly technologies, and is central to efficient energy production, conversion and utilization. Design and synthesis of catalysts to control catalytic activity and selectivity has been a scientific challenge for those working to secure our energy future. Because catalysis involves molecular transformations, the nanostructure of a catalyst and how it interacts with reactant molecules, transition states and intermediates can significantly influence its properties. This volume, from the 2009 MRS Fall Meeting in Boston, brings together experts in heterogeneous catalysis, catalytic energy production and conversions, green processing, nanomaterials, and nanodevices, for cross-fertilizations among these fields. Research presented on photocatalysts and electrocatalysts is especially noteworthy. State-of-the-art fabrication and integration methods for catalysts in these emerging applications are featured.
This book reviews the long-standing debate over the relative merits of a high-protein versus a low-protein diet. When protein (or 'animal substance') was first discovered in vegetable foods it was hailed as the only true nutritional principle. Leibig, the leading German chemist of the mid-nineteenth century, believed that it provided the sole source of energy for muscular contraction. In contrast, health reformers argued that high intakes were over-stimulating, leading to dissipation and decline. The subject came to widespread public attention again in the 1950s as the United Nations debated the need for providing protein supplements to Third World infants. At a time when the concern has resurfaced that over-consumption of protein in affluent societies may damage health, this book provides a fascinating historical perspective.
Das Buch fasst holistisch, von der Diagnose bis hin zur Intervention, die Grundsatze der Instandsetzung und energetischen Ertuchtigung von historischen und denkmalgeschutzten Gebauden zusammen: Substanzerhalt, Nutzerkomfort und Energieeffizienz. Konstruktionen, Berechnungen und Messreihen, die ein interdisziplinares Forscherteam in acht Fallstudien erstellt hat, machen das Handbuch zu einem unverzichtbaren Planungsinstrument."
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