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Conference proceedings from 'Defining the Future Through Technology- Polyurethanes', held in Westin Copley Place, Boston, Massachusetts, on October 8-11 2000. Sponsored by the Alliance for the Polyurethanes Industry.
Extracellular ATP is currently recognized as one of the most widely distributed neurotransmitters and neuromodulators in the peripheral and central nervous system. ATP-gated P2X receptors are expressed by neurons, glial and many other non-neuronal cells and represent an attractive target for therapeutic interventions. Diverse molecular and cellular mechanisms have been identified for P2X receptor functioning, including the ability to enlarge the size of the ion pore associated with the release of several key immune molecules. A major recent breakthrough was the determination of the X-ray crystal structures of zebrafish P2X4 receptor in ATP-bound and ATP-free states. The P2X receptor research...
Journal bearings, which are used in all kinds of rotating machinery, do not only support static loads, such as the weight of rotors and load caused by transmitted torque of reduction gears, but are, in addition almost the only machine element that is able to suppress various exciting forces acting on the rotating shaft. As rotating machines have become large and multi-staged, while compactness, high speed, and high output have also been realized in recent years, not only has the bearing load increased, but also the magnitude and variety of exciting forces. Therefore, the role and importance of journal bearings have increased tremendous ly. In particular, for the design of rotating machines w...
The accelerated pace of global consumption over the past decades has meant that governments across the world are now faced with significant challenges in dealing with the dramatically increased volume of waste. While research on waste management has previously focused on finding technological solutions to the problem, this book uniquely examines the social and cultural views of waste, shedding new light on the topic by emphasising the consumer perspective throughout. Drawing on a wide variety of disciplines including environmental, economic, social and cultural theories, the book presents philosophical reflections, practical examples and potential solutions to the problem of increasing waste...
This volume surveys three decades of modern robot control theory and describes how the work of Suguru Arimoto shaped its development. Twelve survey articles written by experts associated with Suguru Arimoto at various stages in his career treat the subject comprehensively. This book provides an important reference for graduate students and researchers, as well as for mathematicians, engineers and scientists whose work involves robot control theory.