tailieunhanh - Lubricants and Lubrication

The most important function of lubricants is the reduction of friction and wear and in some cases, the relative movement of two bearing surfaces is only possible if a lubricant is present. In times when saving energy and resources and cutting emission have become central environmental matters, lubricants are increasingly attracting public awareness. Scientific research has shown that of gross domestic product could be saved in terms of energy in Western industrialized countries if current tribological knowledge, . the science of friction, wear and lubrication, was just applied to lubricated processes | Edited by Theo Mang and Wilfried Dresel 4 WILEY- VCH Lubricants and Lubrication Second Completely Revised and Extended Edition Lubricants and Lubrication Edited by Theo Mang and Wilfried Dresel Lubricants and Lubrication. 2nd Ed. Edited by Th. Mang and W. Dresel Copyright 2007 WILEY-VCH Verlag GmbH Co. KGaA Weinheim ISBN 978-3-527-31497-3 1807-2007 Knowledge for Generations Each generation has its unique needs and aspirations. When Charles Wiley first opened his small printing shop in lower Manhattan in 1807 it was a generation of boundless potential searching for an identity. And we were there helping to define a new American literary tradition. Over half a century later in the midst of the Second Industrial Revolution it was a generation focused on building the future. Once again we were there supplying the critical scientific technical and engineering knowledge that helped frame the world. Throughout the 20th Century and into the new millennium nations began to reach out beyond their own borders and a new international community was born. Wiley was there expanding its operations around the world to enable a global exchange of ideas opinions and know-how. For 200 years Wiley has been an integral part of each generation s journey enabling the flow of information and understanding necessary to meet their needs and fulfill their aspirations. Today bold new technologies are changing the way we live and learn. Wiley will be there providing you the must-have knowledge you need to imagine new worlds new possibilities and new opportunities. Generations come and go but you can always count on Wiley to provide you the knowledge you need when and where you need it William J. Pesce President and Chief Executive Officer Peter Booth Wiley Chairman of the .