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Lifts and Escalators
This book offers everyone who plans, builds or operates lifts and escalators a comprehensive overview of the important topics: starting with the standards and technical rules through to the history of technology. Planning, operation, maintenance and documentation of lifts and escalators are described. Numerous meaningful color illustrations complement the text. The book serves as a reference work for operators of lifts and escalators. The many examples, tips and advice from practice make it a helpful companion in daily work.
Optimal Sequentially Planned Decision Procedures
Learning from experience, making decisions on the basis of the available information, and proceeding step by step to a desired goal are fundamental behavioural qualities of human beings. Nevertheless, it was not until the early 1940's that such a statistical theory - namely Sequential Analysis - was created, which allows us to investigate this kind of behaviour in a precise manner. A. Wald's famous sequential probability ratio test (SPRT; see example (1.8» turned out to have an enormous influence on the development of this theory. On the one hand, Wald's fundamental monograph "Sequential Analysis" ([Wa]*) is essentially centered around this test. On the other hand, important properties of the SPRT - e.g. Bayes optimality, minimax-properties, "uniform" optimality with respect to expected sample sizes - gave rise to the development of a general statistical decision theory. As a conse quence, the SPRT's played a dominating role in the further development of sequential analysis and, more generally, in theoretical statistics.
Cannabis
Cannabis consumption, commerce, and control in global history, from the nineteenth century to the present day. This book gathers together authors from the new wave of cannabis histories that has emerged in recent decades. It offers case studies from Africa, Asia, the Americas, Europe, and the Middle East. It does so to trace a global history of the plant and its preparations, arguing that Western colonialism shaped and disseminated ideas in the nineteenth century that came to drive the international control regimes of the twentieth. More recently, the emergence of commercial interests in cannabis has been central to the challenges that have undermined that cannabis consensus. Throughout, the determination of people around the world to consume substances made from the plant has defied efforts to stamp them out and often transformed the politics and cultures of using them. These texts also suggest that globalization might have a cannabis history. The migration of consumers, the clandestine networks established to supply them, and international cooperation on control may have driven much of the interconnectedness that is a key feature of the contemporary world.
Milieus in Lübeck während der Weimarer Republik (1919–1933)
Die Erforschung der sozialmoralischen Milieus in Deutschland hat sich in den letzten 50 Jahren fast vollständig auf das sozialistische oder das katholische Milieu beschränkt und damit weite Teile der Bevölkerung außer Acht gelassen. Doch gab es neben diesen beiden eindeutig nachgewiesenen Milieus überhaupt weitere? Wie haben sich diese konstituiert und wer gehörte ihnen an? Diese Leitfragen werden in der vorliegenden Untersuchung anhand des Beispiels der Freien und Hansestadt Lübeck während der Weimarer Republik zwischen 1919 und 1933 untersucht. Lübeck gilt als "rote Stadt", die Existenz eines sozialistischen Milieus muss geradezu vorausgesetzt werden. Doch die Stadt hatte auch eine lange und reichhaltige konservative und liberale Tradition, das "Hanseatentum" prägte die Stadt wie kaum eine andere und so stellt sich die Frage, ob nicht gerade in Lübeck die Voraussetzungen gegeben waren, um auch ein nationales Milieu herauszubilden. Die vergleichende Untersuchung unterschiedlicher Milieus ermöglicht es gleichzeitig, wichtige Forschungslücken in Bezug auf die Zeitgeschichte Lübecks zu schließen.
