Valence bond (VB) theory, which builds the descriptions of molecules from those of its constituent parts, provided the first successful quantum mechanical treatments of chemical bonding. Its language and concepts permeate much of chemistry, at all levels. Various modern formulations of VB theory represent serious tools for quantum chemical studies of molecular electronic structure and reactivity. In physics, there is much VB-based work (particularly in semi-empirical form) on larger systems. Importance of TopicThe last decade has seen significant advances in methodology and a vast increase in the range of applications, with many new researchers entering the field.Why This TitleValence Bond Theory succeeds in presenting a comprehensive selection of contributions from leading valence bond (VB) theory researchers throughout the world. It focuses on the vast increase in the range of applications of methodology based on VB theory during the last decade and especially emphasizes recent advances.
The development of effective and usable software for spatial computing platforms like virtual reality (VR) requires an understanding of how these devices create new possibilities (and new perils) when it comes to interactions between humans and computers. Virtual Reality Usability Design provides readers with an understanding of the techniques and technologies required to design engaging and effective VR applications. The book covers both the mechanics of how human senses and the mind experience immersive virtual environments, as well as how to leverage these mechanics to create human-focused virtual experiences. Deeply rooted in principles of human perception and computational interaction, the current and future limitations of these replacements are also considered. Full of real-world examples, this book is an indispensable guide for any practising VR developer interested in making efficient and effective interfaces. Meanwhile, explorations of concrete theory in their practical application will be useful for VR students and researchers alike.
In Minuteman: A Technical History of the Missile That Defined American Nuclear Warfare, David K. Stumpf demystifies the intercontinental ballistic missile program that was conceived at the end of the Eisenhower administration as a key component of the US nuclear strategy of massive retaliation. Although its nuclear warhead may have lacked power relative to that of the Titan II, the Minuteman more than made up for this in terms of numbers and readiness to launch—making it the ultimate ICBM. Minuteman offers a fascinating look at the technological breakthroughs necessary to field this weapon system that has served as a powerful component of the strategic nuclear triad for more than half a century. With exacting detail, Stumpf examines the construction of launch and launch control facilities; innovations in solid propellant, lightweight inertial guidance systems, and lightweight reentry vehicle development; and key flight tests and operational flight programs—all while situating the Minuteman program in the context of world events. In doing so, the author reveals how the historic missile has adapted to changing defense strategies—from counterforce to mutually assured destruction to sufficiency.
The connection between your mind and body is close, powerful, and often a valuable tool in taking control of your life and ambitions. The power of thought can affect you in profound ways, particularly in regards to its truly incredible effect on your health, explored in detail within these pages. This fascinating book by cutting-edge scientist David R. Hamilton explores the power of visualization, belief, and positive thinking —and their effects on the body. He also presents a revolutionary quantum-field healing meditation —through which you can change yourself on an atomic level —and shows you how you can use your imagination and thought processes to combat disease, pain, and illness. You will see how science and belief systems can merge . . . so that you can heal yourself more effectively than ever before!
The purpose of this book is to explore the ways in which the London Underground/ Tube was ‘mapped’ by a number of writers from George Gissing to Virginia Woolf. From late Victorian London to the end of the World War II, ‘underground writing’ created an imaginative world beneath the streets of London. The real subterranean railway was therefore re-enacted in number of ways in writing, including as Dantean Underworld or hell, as gateway to a utopian future, as psychological looking- glass or as place of safety and security. The book is a chronological study from the opening of the first underground in the 1860s to its role in WW2. Each chapter explores perspectives on the underground in a number of writers, starting with George Gissing in the 1880s, moving through the work of H. G. Wells and into the writing of the 1920s & 1930s including Virginia Woolf and George Orwell. It concludes with its portrayal in the fiction, poetry and art (including Henry Moore) of WW2. The approach takes a broadly cultural studies perspective, crossing the boundaries of transport history, literature and London/ urban studies. It draws mainly on fiction but also uses poetry, art, journals, postcards and posters to illustrate. It links the actual underground trains, tracks and stations to the metaphorical world of ‘underground writing’ and places the writing in a social/ political context.
Rang and Dale’s Pharmacology is internationally acknowledged as the core textbook for students of pharmacology, and has provided accessible, up-to-date information on drugs and their mechanism of action for more than 30 years. Now in its tenth edition, it has been updated to include important new drugs such as gene therapies, personalised medicines and the new wave of RNA drugs. However it has not lost any of the elements that have contributed to its popularity, such as color coding and illustrations, making it reader-friendly while comprehensively covering the depth of detail required. This essential book is recommended as the first-choice undergraduate text for science and medical students and junior doctors and will also be useful for students in other professional disciplines such as pharmacy, veterinary medicine and nursing. Comprehensive information on drug mechanisms, basic physiology and biochemistry, and underlying pathophysiology of disease – suitable for students from many disciplines Clear figures to aid understanding, including data figures as well as mechanistic diagrams, Key points box summaries, clinical boxes and colour-coded chapters help to master difficult concepts Emphasis on therapeutic drugs to help apply theory to practice Over 150 questions and 12 clinical cases to test your knowledge New chapters on drugs and the eye and the pharmacological management of headache Revised information on biopharmaceuticals (including RNA drugs), antivirals (including Covid-19 therapies) as well as general principles of antimicrobial therapy. A completely revised and updated chapter on lifestyle drugs Recent advances in oxygen sensing and response to reduced oxygen tension Expanded chapters on dementia and analgesic drugs
This now classic work examines the contrasting ways in which the Mau Mau struggle for land and independence in Kenya was mirrored, and usually distorted, by successive generations of English and white Kenyan authors, as well as by indigenous Kenyan novelists. Against the turbulent background of the Mau Mau Uprising, Dr Maughan-Brown explores the relationship between history, literary creation and the myths that societies cultivate. Spanning the breadth of colonial and post-colonial African literature, his subjects range from the colonialist authors Robert Ruark and Elspeth Huxley to the post-independence novels of Meja Mwangi and Ngugi wa Thiong'o. Maughan-Brown's book is invaluable on many levels. He presents a concise account of the uprising and its place in Kenyan identity, and significantly increases our understanding of settler attitudes and the role of literature within colonial ideology. Land, Freedom and Fiction succeeds in showing the subtle insights a materialist approach can bring to the study of literature, ideology and society.
World-renowned coverage of today’s pharmacology at your fingertips Keeps you up-to-date with new information in this fast-changing field, including significantly revised coverage of CNS drugs, cognitive enhancers, anti-infectives, biologicals/biopharmaceuticals, lifestyle drugs, and more. Includes access to unique features, including more than 100 brand new chapter-specific multiple-choice questions and 6 new cases for immediate self-assessment. Features a color-coded layout for faster navigation and cross-referencing. Clarifies complex concepts with Key Points boxes, Clinical Uses boxes and full-color illustrations throughout.
Emergency physicians assess and manage a wide variety of problems from patients presenting with a diversity of severities, ranging from mild to severe and life-threatening. They are expected to maintain their competency and expertise in areas where there is rapid knowledge change. Evidence-based Emergency Medicine is the first book of its kind in emergency medicine to tackle the problems practicing physicians encounter in the emergency setting using an evidence-based approach. It summarizes the published evidence available for the diagnosis and treatment of common emergency health care problems in adults. Each chapter contextualizes a topic area using a clinical vignette and generates a series of key clinically important diagnostic and treatment questions. By completing detailed reviews of diagnostic and treatment research, using evidence from systematic reviews, RCTs, and prospective observational studies, the authors provide conclusions and practical recommendations. Focusing primarily on diagnosis in areas where evidence for treatment is well accepted (e.g. DVTs), and treatment in other diseases where diagnosis is not complex (e.g. asthma), this text is written by leading emergency physicians at the forefront of evidence-based medicine. Evidence-based Emergency Medicine is ideal for emergency physicians and trainees, emergency department staff, and family physicians specialising in the acute care of medical and injured patients.
The 5th edition of this classic textbook covers the central concepts of practical optimization techniques, with an emphasis on methods that are both state-of-the-art and popular. One major insight is the connection between the purely analytical character of an optimization problem and the behavior of algorithms used to solve that problem. End-of-chapter exercises are provided for all chapters. The material is organized into three separate parts. Part I offers a self-contained introduction to linear programming. The presentation in this part is fairly conventional, covering the main elements of the underlying theory of linear programming, many of the most effective numerical algorithms, and many of its important special applications. Part II, which is independent of Part I, covers the theory of unconstrained optimization, including both derivations of the appropriate optimality conditions and an introduction to basic algorithms. This part of the book explores the general properties of algorithms and defines various notions of convergence. In turn, Part III extends the concepts developed in the second part to constrained optimization problems. Except for a few isolated sections, this part is also independent of Part I. As such, Parts II and III can easily be used without reading Part I and, in fact, the book has been used in this way at many universities. New to this edition are popular topics in data science and machine learning, such as the Markov Decision Process, Farkas’ lemma, convergence speed analysis, duality theories and applications, various first-order methods, stochastic gradient method, mirror-descent method, Frank-Wolf method, ALM/ADMM method, interior trust-region method for non-convex optimization, distributionally robust optimization, online linear programming, semidefinite programming for sensor-network localization, and infeasibility detection for nonlinear optimization.
Interactive display and visualization of large geometric and textured models is becoming a fundamental capability. There are numerous application areas, including games, movies, CAD, virtual prototyping, and scientific visualization. One of observations about geometric models used in interactive applications is that their model complexity continues to increase because of fundamental advances in 3D modeling, simulation, and data capture technologies. As computing power increases, users take advantage of the algorithmic advances and generate even more complex models and data sets. Therefore, there are many cases where we are required to visualize massive models that consist of hundreds of millions of triangles and, even, billions of triangles. However, interactive visualization and handling of such massive models still remains a challenge in computer graphics and visualization. In this monograph we discuss various techniques that enable interactive visualization of massive models. These techniques include visibility computation, simplification, levels-of-detail, and cache-coherent data management.We believe that the combinations of these techniques can make it possible to interactively visualize massive models in commodity hardware. Table of Contents: Introduction / Visibility / Simplification and Levels of Detail / Alternative Representations / Cache-Coherent Data Management / Conclusions / Bibliography
Building the Moral Community: Radical Naturalism and Emergence demonstrates how very simple models of moral engagements based on natural, incomplete, value-laden frames of the world can lead to general moral progress for the human community. All moral behavior affects more than one person, which means that the moral community is more than the sum of the individuals included in it. David W. Chambers argues that there is no ethically detached and superior position from which to operate, and that such claims are focused on ethics, not on acting morally. Therefore, he cautions against mistaking theories of ethics composed on statements about what is good and right for actual moral behavior that moves broadly and inevitably toward a better world. This book explores naturalistic ethics, offering a modified classical analytic philosophy exploration of morality that is consistent with emerging thinking in psychology, neurobiology, game theory, and self-adjusting systems.
Popular Lost Cities author David Hatcher Childress takes to the road again in search of lost cities and ancient mysteries. This time he is off to the American Southwest, traversing the region’s deserts, mountains and forests investigating archeological mysteries and the unexplained. Join David as he starts in northern Mexico and searches for the lost mines of the Aztecs. He continues north to west Texas, delving into the mysteries of Big Bend, including mysterious Phoenician tablets discovered there and the strange lights of Marfa. He continues northward into New Mexico where he stumbles upon a hollow mountain with a billion dollars of gold bars hidden deep inside it! In Arizona he investigates tales of Egyptian catacombs in the Grand Canyon, cruises along the Devil’s Highway, and tackles the century-old mystery of the Superstition Mountains and the Lost Dutchman mine. In Nevada and California Childress checks out the rumors of mummified giants and weird tunnels in Death Valley, plus he searches the Mohave Desert for the mysterious remains of ancient dwellers alongside lakes that supposedly dried up tens of thousands of years ago. It’s a full-tilt blast down the back roads of the Southwest in search of the weird and wondrous mysteries of the past!
Is your memory hierarchy stopping your microprocessor from performing at the high level it should be? Memory Systems: Cache, DRAM, Disk shows you how to resolve this problem. The book tells you everything you need to know about the logical design and operation, physical design and operation, performance characteristics and resulting design trade-offs, and the energy consumption of modern memory hierarchies. You learn how to to tackle the challenging optimization problems that result from the side-effects that can appear at any point in the entire hierarchy.As a result you will be able to design and emulate the entire memory hierarchy. Understand all levels of the system hierarchy -Xcache, DRAM, and disk. Evaluate the system-level effects of all design choices. Model performance and energy consumption for each component in the memory hierarchy.
This book describes how the analysis of the trace gases in exhaled breath can be used for non-invasive clinical diagnosis of disease and for monitoring the effectiveness of therapy. This approach offers an important addition to the diagnostic techniques available to medicine, having the advantage that on-line breath analysis can provide information to the clinician immediately and thus facilitate rapid diagnosis and treatment. The book is a compilation of contributions to a conference held in Dornbirn, Austria, 23-26 September 2004 on various aspects of this new topic. Written by the foremost workers in the field, it will provide clinicians and others in the medical fraternity with an up-to-date summary of the status of the subject. The wide scope of the chapters ranges from descriptions of the analytical methods that are available, through the use of breath analysis in the study of physiological phenomena, to the identification of biomarkers of particular injury and disease.The proceedings have been selected for coverage in:
Essentials in Modern HPLC Separations, Second Edition discusses the role of separation in high performance liquid chromatography (HPLC). This new and updated edition systematically presents basic concepts as well as new developments in HPLC. Starting with a description of basic concepts, it provides important guidance for the practical utilization of various HPLC procedures, such as the selection of the HPLC type, proper choice of the chromatographic column, selection of mobile phase and selection of the method of detection, all of which are in correlation with the physico-chemical characteristics of the compounds separated. Every chapter has been carefully reviewed, with several new sections added to bring the book completely up-to-date. Hence, it is a valuable reference for students and professors in chemistry. Provides a thoroughly updated resource, with an entirely new section on Computer-aided Method Development in HPLC and new subsections on miniaturization and automation in HPLC, chemometric aspects of HPLC, green solvent use in HPLC, and more Includes insights into the chromatographic process to find the optimum solution for analyzing complex samples Presents a basis for understanding the utilization of modern HPLC for applications, particularly for the analysis of pharmaceutical, biological, food, beverage and environmental samples
Neuroscience has begun to intrude deeply into what it means to be human, an intrusion that offers profound benefits but will demolish our present understanding of privacy. In Privacy in the Age of Neuroscience, David Grant argues that we need to reconceptualize privacy in a manner that will allow us to reap the rewards of neuroscience while still protecting our privacy and, ultimately, our humanity. Grant delves into our relationship with technology, the latest in what he describes as a historical series of 'magnitudes', following Deity, the State and the Market, proposing the idea that, for this new magnitude (Technology), we must control rather than be subjected to it. In this provocative work, Grant unveils a radical account of privacy and an equally radical proposal to create the social infrastructure we need to support it.
The Year Book of Vascular Surgery brings you abstracts of the articles that reported the year's breakthrough developments in vascular surgery, carefully selected from more than 500 journals worldwide. Expert commentaries evaluate the clinical importance of each article and discuss its application to your practice. There's no faster or easier way to stay informed! Hot topics include: Coronary Disease, Epidemiology, Vascular Laboratory and Imaging, Carotid and Cerebrovascular Disease, and Grafts and Graft Complications.
I am unaware of any textbook which provides such comprehensive coverage of the field and doubt that this work will be surpassed in the foreseeable future, if ever!' From the foreword by Robert C. Moellering, Jr., M.D, Shields Warren-Mallinckrodt Professor of Medical Research, Harvard Medical School, USA Kucers' The Use of Antibiotics is the leading major reference work in this vast and rapidly developing field. More than doubled in length compared to the fifth edition, the sixth edition comprises 3000 pages over 2-volumes in order to cover all new and existing therapies, and emerging drugs not yet fully licensed. Concentrating on the treatment of infectious diseases, the content is divided into 4 sections: antibiotics, anti-fungal drugs, anti-parasitic drugs and anti-viral drugs, and is highly structured for ease of reference.Within each section, each chapter is structured to cover susceptibility, formulations and dosing (adult and paediatric), pharmacokinetics and pharmacodynamics, toxicity and drug distribution, detailed discussion regarding clinical uses, a feature unique to this title. Compiled by an expanded team of internationally renowned and respected editors, with a vast number of contributors spanning Europe, Africa, Asia, Australia, South America, the US and Canada, the sixth edition adopts a truly global approach. It will remain invaluable for anyone using antimicrobial agents in their clinical practice and provides in a systematic and concise manner all the information required when treating infections requiring antimicrobial therapy. Kucers' The Use of Antibiotics is available free to purchasers of the books as an electronic version on line or on your desktop: It provides access to the entire 2-volume print material It is fully searchable, so you can find the relevant information you need quickly Live references are linked to PubMed referring you to the latest journal material Customise the contents - you can highlight sections and make notes Comments can be shared with colleagues/tutors for discussion, teaching and learning The text can also be reflowed for ease of reading Text and illustrations copied will be automatically referenced to Kucers' The Use of Antibiotics
The biography of one of the most prominent soldiers in the New Model Army, John Lambert (1619-1684) who made Cromwell Lord Protector but prevented him from becoming king.
This anthology brings together over a dozen articles published by David Nimmer over the past decade regarding copyright, together with updated commentary weaving together the various threads running through them. The unifying theme running through the work is the need to reconcile standards in order to protect that most ethereal creation of mankind: the written word. From that unique vantage point the discussion delves into the religious roots and sacred character of the act of creation. Religion and copyright are brought into resonance as issues from one field are deployed to illuminate those in the other. Given its culminating focus on the Digital Millennium Copyright Act this work of necessity drills deeply into current advances in technology, notably the dissemination of works over the internet. The religious perspective shines an unexpected light onto those issues as well.
After diabetic retinopathy, the varieties of retinal vein occlusion constitute the most prevalent category of retinal vascular disease. For macular edema associated with central retinal vein occlusion (CRVO), no effective therapy existed until 2009, despite decades of research and failed pilot therapies. This comprehensive, illustrated text integrates recent advances in treatments with the parallel progress in understanding of disease mechanisms. Complete with case studies, this text is perfect for retina specialists, ophthalmologists, optometrists, and residents and fellows in these fields.
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