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TRIBOLOGY - the study of friction, wear and lubrication - impacts almost every aspect of our daily lives. The Springer Encyclopedia of Tribology is an authoritative and comprehensive reference covering all major aspects of the science and engineering of tribology that are relevant to researchers across all engineering industries and related scientific disciplines. This is the first major reference that brings together the science, engineering and technological aspects of tribology of this breadth and scope in a single work. Developed and written by leading experts in the field, the...

Gain Confidence in Modeling Techniques Used for Complicated Bridge Structures

Bridge structures vary considerably in form, size, complexity, and importance. The methods for their computational analysis and design range from approximate to refined analyses, and rapidly improving computer technology has made the more refined and complex methods of analyses more commonplace. The key methods of analysis and related modeling techniques are set out, mainly for highway bridges, but also with some information on railway bridges. Special topics such as...

This book provides the potential advantages of adaptive impedance converters in different applications, such as power quality compensations, AC/DC microgrids, co-phase railway traction supply systems, and underwater electroacoustic transduction systems. In these applications, the adaptive impedance converter models, topologies, and control methods are introduced in this book.

Adaptive impedance converters are designed to transform the impedance of an electronic system to optimize its performance. The adaptive impedance converter is typically implemented using passive and active...

This book was written by China's leader to interpret the significance of the old and the new treaties and China's responsibilities as an independent nation.

The Chinese overseas now number 25 to 30 million, yet the 2,000-year history of Chinese attempts to venture abroad and the underlying values affecting that migration have never before been presented in a broad overview. Despite centuries of prohibition against leaving the land and traveling and settling overseas, the "earthbound" Chinese--first traders, then peasants and workers--eventually found new sources of livelihood abroad. The practice of sojourning, being always temporarily away from home, was the answer the Chinese overseas found to deal with imperial and orthodox concerns. Today...