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Containing more than 450 entries, this easy-to-read encyclopedia provides concise information about the history of and recent trends in drug use and drug abuse in the United States—a societal problem with an estimated cost of $559 billion a year. Despite decades of effort and billions of dollars spent to combat the problem, illicit drug use in the United States is still rampant and shows no sign of abating. Covering illegal drugs ranging from marijuana and LSD to cocaine and crystal meth, this authoritative reference work examines patterns of drug use in American history, as well as drug control and interdiction efforts from the nineteenth century to the present. This encyclopedia provides...
Neruda's masterpiece epic poem about the history of a continent and its people.
Computed tomography (CT) is a widely used x-ray scanning technique. In its prominent use as a medical imaging device, CT serves as a workhorse in many clinical settings throughout the world. It provides answers to urgent diagnostic tasks such as oncology tumor staging, acute stroke analysis, or radiation therapy planning. Spectral Computed Tomography provides a concise, practical coverage of this important medical tool. The first chapter considers the main clinical motivations for spectral CT applications. In Chapter 2, the measurement properties of spectral CT systems are described. Chapter 3 provides an overview of the current state of research on spectral CT algorithms. Based on this overview, the technical realization of spectral CT systems is evaluated in Chapter 4. Device approaches such as DSCT, kV switching, and energy-resolving detectors are compared. Finally, Chapter 5 summarizes various algorithms for spectral CT reconstructions and spectral CT image postprocessing, and links these algorithms to clinical use cases
This vivid evocation of an ancient civilization is both enlivened and deepened by the author's sympathetic understanding of customs, rituals and myths which to modern eyes may seem both strange and terrible. It will be widely welcomed by scholars and students of South American archaeology and history, by all those curious to know more about a civilization that for thirteen centuries was largely forgotten.
Since its U.S. debut a quarter-century ago, this brilliant text has set a new standard for historical scholarship of Latin America. It is also an outstanding political economy, a social and cultural narrative of the highest quality, and perhaps the finest description of primitive capital accumulation since Marx. Rather than chronology, geography, or political successions, Eduardo Galeano has organized the various facets of Latin American history according to the patterns of five centuries of exploitation. Thus he is concerned with gold and silver, cacao and cotton, rubber and coffee, fruit, hides and wool, petroleum, iron, nickel, manganese, copper, aluminum ore, nitrates, and tin. These are...
The evolution of total quality management has had a great dissemination in the last decades, especially for the adoption of management systems standard. Given that the issues of energy is increasing to a greater extent in the recent years, ISO develops ISO 50001 Energy Management System (EnMS). \n ISO 50001 standard was published on July 2011 and it has grown significantly worldwide ever since. This standard is expected to give a big impact in energy management and it is estimated that the standard could influence up to 60 % of the world’s energy use. ISO 50001 established a framework for energy management systems, not only for industrial plants but also for commercial, institutional, governmental facilities; and entire organizations.\n This book summarizes the results of a study conducted by the University of Girona (UdG) and University of the Basque Country (UPV/EHU) aimed at analyzing the impact of ISO 50001 standard in Spain. \n\n
Approx.394 pages
This book is one of a series of volumes resulting from the World Archaeological Congress, September 1986 which addressed world archaeology in its widest sense, investigating how people lived in the past and how and why changes took place to result in the forms of society and culture which exist now. The series brought together archaeologists and anthropologists from many parts of the world, academics from contingent disciplines, and also non-academics from a wide range of cultural backgrounds who could lend their own expertise to the discussions. This book is an exploration of the way in which the animal world features in the works of art of a variety of cultures of different times and places. Contributors have adopted a variety of perspectives for looking at the complex ways in which past and present humans have interrelated with beings they classify as animals. Some of the approaches are predominantly economic and ecological, some are symbolic and others philosophical or theological. All these different views are included in the interpretation of the artworks of the past, revealing some of the foci and inspirations of cultural attitudes to animals. Originally published 1989.