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Martial arts are codified systems and traditions of combat practices, which are practiced for a variety of reasons: self-defence, competition, physical health and fitness, entertainment, as well as mental, physical, and spiritual development. Martial art training for women or girls is a burning issue in the present Indian society. The term martial art is derived from Latin, and means "arts of Mars", the Roman god of war. The South East Asian countries like China, Japan, Korea, Singapore, Hongkong etc. are generally considered as the pioneers of Martial Art. According to history Chinese martial art originated during the Xia Dynasty more than 4000 years ago. It is said the Yellow Emperor Huangdi (legendary date of ascension 2698 BC) introduced the earliest fighting systems to China.
This book focuses on developing strategies for ultra-lean combustion of natural gas and hydrogen, and contributes to the research on extending the lean flammability limit of hydrogen and air using a hot supersonic jet. The author addresses experimental methods, data analysis techniques, and results throughout each chapter and: Explains the fundamental mechanisms behind turbulent hot jet ignition using non-dimensional analysis Explores ignition characteristics by impinging hot jet and multiple jets in relation to better controllability and lean combustion Explores how different instability modes interact with the acoustic modes of the combustion chamber. This book provides a potential answer to some of the issues that arise from lean engine operation, such as poor ignition, engine misfire, cycle-to-cycle variability, combustion instability, reduction in efficiency, and an increase in unburned hydrocarbon emissions. This thesis was submitted to and approved by Purdue University.
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This edited volume discusses smart cities and smart governance within the framework of the 22nd century sustainable city. Written by members of the Smart Cities Smart Government Research Practice Consortium (SCSGRPC), an international multidisciplinary consortium of researchers and practitioners devoted to studying smart governance, this book provides a foundation for global efforts to envision and prepare for the next generation city by advancing understanding of the nature of and need for novel policies, new administrative practices, and enabling technologies required to advance urban governance, governments, and infrastructure. The chapters focus on practical models and approaches, theoretical frameworks, policy models, emerging issues, questions and research problems, as well as including case studies from different parts of the world. A valuable addition to the body of knowledge on smartness in urban government, this book will be of use to researchers in the fields of public administration, political science, information science, and information systems, as well as policy makers and government officials working on implementing smart technology in their cities.
In this sobering book, Barry R. Posen demonstrates how the interplay between conventional military operations and nuclear forces could, in conflicts among states armed with both conventional and nuclear weaponry, inadvertently produce pressures for nuclear escalation. Knowledge of these hidden pressures, he believes, may help some future decision maker avoid catastrophe.Building a formidable argument that moves with cumulative force, he details the way in which escalation could occur not by mindless accident, or by deliberate preference for nuclear escalation, but rather as a natural accompaniment of land, naval, or air warfare at the conventional level. Posen bases his analysis on an empiri...
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Survey of the environmental consequences of dam construction and water impoundment in Canada in the past to alert environmentalists and engineers to the problems that may be associated with such activities in the future. Immediate, direct and obvious effects and long term effects are identified, and biological consequences of dams and reservoirs are noted. The impact of these activities on native communities is discussed.