The verbal statements of the actors and the researchers' own observations of their behaviour constitute two basic kinds of data which every anthropologist collects during his or her fieldwork. Yet the nature of social reality, and its availability to the observer, remains a fundamental methodological problem for the social anthropologist. In this book the authors argue that the difference between these two kinds of data is not merely a casual difference in the way in which the information comes to the anthropologist. Rather, it connotes the difference between the areas or domains of the social reality under study. One of these domains is formed by the notions or ideas people hold (i.e. their norms and their representations of the world and the existing state of affairs) and the other by the actions which they actually perform.
Presents readers with an overview of lake management problems and the tools that can be applied to solve probelms. Lake management tools are presented in detail, including environmental technological methods, ecotechnological methods and the application of models to assess the best management strategy.
Beginning with classification, nomenclature, and structures, this reference discussesphysicochemical properties of alkaloids relevant to the chromatographic process.Chromatographic Analysis of Alkaloids explores the main experimental factors affectingthe separation and detection of alkaloids in gas (GC), liquid (LC), and thinlayer(1LC) chromatography ... illustrates separation conditions described in recentliterature ... provides, for a given compound, the GC, LC, and 1LC techniquesavailable within the same paragraph ... surveys, in tabular form, the methods forsample preparation for chromatographic analysis ... contains over 1,200 up-to-datereferences covering the majority of papers on the chromatography of alkaloids... and more.Serving as a rich resource of practical information, Chromatographic Analysis ofAlkaloids is essential reading for analytical, organic, natural products, and forensicchemists and biochemists, pharmacologists, and graduate-level students in thesedisciplines.
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