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This book provides the reader with some thermochemistry notes. The intention is to provide a simple, easy to understand text which serves as a complimentary material to more complex books. It also provide students and those beginning in the field with several application examples used in different areas of materials processing. The book presents fully solved problems, some quite often found in major metallurgical operations.
This book offers up-to-date information on all aspects of the use of lasers in endodontics, focusing especially on the various laser applications, including primary and permanent root canal therapies, retreatments, apical surgery and pulp therapy. Every laser technique used in endodontics is carefully described and illustrated, with detailed coverage of both conventional methods and more recent developments such as laser-activated irrigation and photon-induced photoacoustic streaming. In addition, a separate section addresses the basic science of laser dentistry, explaining the physics, describing laser–tissue interactions, and discussing different types of laser. Extensive reference is made to the international literature in order to provide the reader with a clear, evidence-based understanding of the merits of various approaches. In offering a balanced mix of descriptions of clinical applications, clinical data, scientific research and logical criticism, the book will serve as an excellent reference for a wide audience comprising general dentists as well as specialists.
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This book presents the current state of research on the basic scientific aspects of root canal biofilm biology within a clinically applicable context. Root canal biofilms are complex polymicrobial structures adhering to the root canal surface that are formed by microorganisms invading the pulpal space of teeth, and are associated with persistent root canal infections. Concerted efforts to study root canal biofilms have been made in the past decade, resulting in the publication of observational and experimental studies that detail the morphology and biology of these structures in infected root canals. In addition to confirming that bacteria in root canals do not exist in free-floating planktonic states as previously assumed, this new information on root canal biofilm infections has provided an opportunity to re-evaluate conventional clinical protocols and improve endodontic therapeutic measures.
This is the first book of its kind to include the personal accounts of people who have survived injury to the brain, along with professional therapists' reports of their progress through rehabilitation. The paintings and stories of survivors combine with experts' discussions of the theory and practice of brain injury rehabilitation to illustrate the ups and downs that survivors encounter in their journey from pre-injury status to insult and post-injury rehabilitation. Wilson, Winegardner and Ashworth's focus on the survivors' perspective shows how rehabilitation is an interactive process between people with brain injury, health care staff, and others, and gives the survivors the chance to te...
We know that the goal of the Christian life is to glorify God and to enjoy him forever. While this is God's ultimate plan, does he have a particular purpose for the cell-based church? I've been wrestling with this question for the past twenty-two years. This question confronts me every time I coach a pastor or pastors. In preparation for coaching, I ask myself, "What is my principal objective in helping this pastor?" "Where am I guiding this church?" "What am I trying to do?" I've come to the conclusion that the primary goal of cell ministry is to make disciples who make disciples. Christ's last command to his disciples was for them to repeat the process and to reproduce new disciples. But h...
Who or What is Behind the Cattle Mutilations? The cattle mutilation phenomenon is an ongoing mystery that has endured for almost 50 years. What have we learned, if anything, from the countless reports filed? Who or what is behind the death and disfigurement of livestock reported as mutilated around the globe? Are these deaths simply attributable to natural predators and scavengers? Or is the military/government somehow involved; perhaps monitoring “mad cow disease”? Are the deaths the action of ritual “cultists” as police say the evidence would suggest? Is it possible that alien predators are involved, as some researchers and the media have suggested? Are black helicopters or UFOs re...
Since the beginnings of time, people have been interested in sex - the form it takes, the pleasure it can give, the circumstances in which it occurs, and what it means - both for the individuals concerned and to society more generally. Often seen as a synonym for love, sometimes as an expression of power, and infrequently as a means of exploitation and abuse, sex is a complex and multi-faceted aspect of human behaviour that has been written about by numerous writers and theorists worldwide. This book offers an introduction to the central debates in sexuality research. Among the issues examined are the social and cultural dimensions of sex, human sexuality and sex research. It will be of use to students of sociology, cultural studies, and health and behavioural studies.
The Smithsonian Institution has been America's museum since 1846. What do its vast collections -- from the ruby slippers to a piece of Plymouth Rock, first ladies' gowns to patchwork quilts, a Model T Ford to a customized Ford LTD low rider -- tell Americans about themselves? In this lavishly illustrated guide to the Smithsonian's National Museum of American History, Steven Lubar and Kathleen M. Kendrick tell the stories behind more than 250 of the museum's treasures, many of them never before photographed for publication. These stories not only reveal what America as a nation has decided to save and why but also speak to changing visions of national identity. As the authors demonstrate, vie...
This book presents the proceedings of one of the major conferences in fatigue, fracture and structural integrity (NT2F). The papers are organized and divided in five different themes: fatigue and fracture mechanics of structures and advanced materials; fatigue and fracture in pressure vessels and pipelines: mechanical behavior and structural integrity of welded, bonded and bolted joints; residual stress and environmental effects on the fatigue behavior; and simulation methods, analytical and computation models in fatigue and fracture.