Knowledge: A little light expels much darkness _ Bahya ibn Paquda, Duties of the Heart During the early 1970s digital computer techniques concentrated on the computational and interfacing aspects of digital systems and the decade began as the age of both the mainframe computer and the minicomputer. Engineers and system designers needed to know the fundamentals of computer operation and how the practical limitations of the architectures of the day, the memory size, cost and performance could be overcome; it was for this reason that this book was first written. By 1980 the microprocessor revolution had arrived. As a result the microprocessor became a component of a system, rather than a system itself, and the need to understand the behaviour of the device became of even greater importance to the system designer. New developments in mainframe computers were few, with networks of minicomputers taking over their role in many instarices. The 1980 revision of this book took into account the major advances in semiconductor technology that had occurred since it was first published in 1972, and included material relevant to the microprocessor.
* Cutting-edge information on how to prevent, diagnose, and treat altitude illness and hypoxia in everyday life * Interweaves fascinating research discoveries with dramatic first-person accounts * Authored by a celebrated mountaineer and physician who pioneered research in the field From the time of his historic expedition to Nanda Devi in the high Himalaya, Charles Houston, M.D., was fascinated by the effects of altitude on the human body. Why do people get sick in the mountains? What are the symptoms of hypoxia -- lack of sufficient oxygen -- that also occurs in everyday life, sometimes chronically due to disease? How can we decrease the incidence of illness and death? This edition incorporates current research on the effects of altitude on humans, and Houston (now deceased) joined forces with an educator and a medical writer in a text made even more accessible for the average reader while retaining the depth of material of particular use to the medical community. This edition of this seminal text added chapters on vision and the eye at altitude, chronic and subacute altitude illness, and the limits to work at altitude (with implications for athletic training). It presents information on genetics and gender differences and more on flight and space travel, on understanding and treating sea-level hypoxic illnesses, and on who can (or should not) go to high altitude, and much more. With an expanded glossary of terms.
This companion to Brenner and Rector's The Kidney offers a state-of-the-art summary of the most recent advances in renal genetics. Molecular and Genetic Basis for Renal Disease provides the nephrologist with a comprehensive look at modern investigative tools in nephrology research today, and reviews the molecular pathophysiology of the nephron as well as the most common genetic and acquired renal diseases. A comprehensive clinical review of Medelian renal disease is also be included. Detailed review of the molecular anatomy and pathophysiology of the nephron that provides relevant basic science to consider when diagnosing and managing patients with these disorders.
These proceedings comprise peer-reviewed articles summarizing the most recent progress made by many of the leaders of high-sulfur coal research and development in the past two years. Four papers cover the conversion of coals to liquid and gaseous products both as a means of removing sulfur and for increasing the utility and value of the coal. Improvements in coal cleaning technology by application of biological, physical and chemical processes, as well as combinations of these methods are reported. Methods of beneficiation including the emerging electrochemical and ultrasonic approaches are also presented. Several papers cover the fundamentals and applications of flotation as a technique for separating the sulfur from the carbon content of coal once the sulfur has been liberated from the coal matrix. One paper describes a microbial process for removing solubilized iron and sulfur (as sulfate) that have been liberated from coal. Eight contributions deal with the various aspects of cleaning potential atmospheric contaminants from coal combustion gasses.The book will be of particular interest and benefit to researchers, graduate students and all persons involved in coal production, processing and utilization; public policy making and administration related to energy conservation, economic development, and environmental protection; and investors in industry and new technology.
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