On January 21, 1968, nine days before the Tet Offensive, thousands of North Vietnamese regulars attacked the U.S. Marine base at Khe Sanh in remote northwestern South Vietnam, beginning a siege that ended seventy-seven days later in a tactical victory for the U.S. As a young U.S. Army officer serving with the Marines at the outpost, Bruce Clarke participated in the entire battle. His book combines firsthand experiences with archival research to describe the saga of Khe Sanh, which ended with the U.S.'s abandonment of the base, making it the heartbreaking and controversial symbol of American involvement in Vietnam.
The pressuremeter is a versatile piece of ground investigation equipment that can be used to test any type of soil or rock in situ. It quantifies in-situ stress, stiffness, strength and permeability – the essential properties needed to design geotechnical structures. The results are used in pressuremeter specific design methods, empirical design methods and numerical analyses. This reference book covers the types of pressuremeter and the control equipment, methods of installation, test procedures, methods of analysis including direct and indirect methods of interpretation, and application in design. This is supported by an exemplar specification for field operations with the interpretation of the results. Engineers are given enough detail to apply the results confidently. This comprehensive and thorough discussion of pressuremeter testing in geotechnical design draws on over forty years’ experience in geotechnical engineering. It is essential for professional and academic engineering geologists and geotechnical, civil and structural engineers involved in ground investigation and geotechnical design.
In recent years, progress in fish biology has advanced at an unprecedented rate and has led to many breakthroughs in the field. This book provides a wealth of information on the strategies that fish adopt with respect to waters with markedly different physical and chemical characteristics. It shows how their physiology, behaviour and lifestyles are adapted to exploit particular niches and gives comprehensive insight into fish life under extreme conditions. The readers are introduced to the ways in which fish exemplify many phenomena of general biological interest - the existence of competitors, chaos, and predator-prey interaction. Fish pathology as well as the components of the immune system are addressed. In this book, original and at times controversial views are presented, areas which have so far received inadequate attention are highlighted and avenues for further research are suggested.
Silver in healthcare has many different facets and since the early concepts of microbiology of the 1880's, has been developed from usage in surgical clips, staples, foil wound dressings and surgical implants, to the widespread and clinically effective antiseptic wound dressings, sutures, catheters, bone and dental implants, and cardiovascular devices of today. From the dawn of human civilisation, silver has had a role of water purification and even now has a role in hospital water systems for control of MRSA and legionnaires disease. Biotechnological advances in recent years have extended the antimicrobial properties of silver into production of hygiene textiles and use in domestic products. Important advances have been made in understanding mechanisms of antimicrobial action of silver, the central importance of ionisation patterns in the presence of body fluids and secretion, and the genetical and molecular profiles of silver resistance. This publication is a comprehensive account of the history of silver in medicine, its clinical benefits and wide advantages as a broad spectrum antimicrobial agent. It is clear from the extensive array of publications in recognised and unofficial press, that many misconceptions and misleading conceptions have been perpetuated, leading to errors in evaluation of the safety of the metal in occupational, domestic and therapeutic situations. The book is unique in that it is the only comprehensive presentation of the toxicology of silver and it identifies the major misconceptions in the safety of silver and interpretation of argyria and argyrosis as central features of silver toxicity. In this book, Dr Lansdown reviews the literature from a clinical and experimental viewpoint, with the benefit of his many years research on silver and experience gained in working with clinicians, healthcare product manufacturers and microbiologists. There is also discussion in the book on the relevance of antimicrobial resistance to silver and deficiencies in present day clinical practice in not evaluating incidences of resistance on a routine basis. The subject matter is presented in a readable fashion and includes reference to use of the metal in such practices as acupuncture and treatment of tropical diseases as practised in some parts of the world, each of which is accompanied by special clinical risk. It is also a collation of current views on the use and efficacy of silver as a broad spectrum antibiotic. The chapters which deal specifically with toxicological aspects of silver in clinical, occupational and environmental issues are central to the book's value. The book is aimed at clinicians, research scientists and product manufacturers and will provide ideas for new research and academic endeavour. It is also essential reading for research students with an interest in metal toxicity and its management in mammalian tissues.
In the ever-changing realm of the Internet, lawmakers face a steady stream of new areas potentially requiring regulation and oversight. This book is part of a series exploring the dynamic universe of the 21st century. Collected here are papers discussing the wide range of topics impacting Internet expansion, E-commerce, computerised voting, and cyber-security threats. Such a selection makes this volume important to developing an overview of the key issues in the dynamic and wired world.
New Technologies in Animal Breeding looks at new reproductive technologies in breeding domestic animals, such as sex selection, frozen storage of oocytes and embryos, in vitro fertilization and embryo culture, amphibian nuclear transplantation, parthenogenesis, identical twins and cloning in mammals, and gene transfer in mammalian cells. It summarizes the state-of-the art and offers perspectives on future directions for several animal industries of great importance in food production, including artificial insemination, embryo transfer, poultry breeding, and aquaculture. Organized into five sections encompassing 14 chapters, this book begins with an overview of animals in society and perspectives on animal breeding. It then discusses the animal industries that are heavily dependent on reproductive technology, including those engaged in cloning, selfing, aquaculture, artificial insemination, and embryo transfer. It also explains the developing technologies as well as their potential applications and impacts on animal production, along with special economic considerations, such as the benefits of reproductive management, synchronization of estrus, and artificial insemination of beef cattle and sheep. The final chapter considers biomedical and agricultural research, implementation of new technologies in animal breeding, and research in animal reproduction. This book is an essential reference for scientists and researchers interested in animal science and animal reproduction.
This important text comprehensively examines each of the elements for which carcinogenicity has been established, providing detailed information on the carcinogenicity and toxicity and detailing the most up-to-date research in this area.
During its existence the Ecosciences Panel of the North Atlantic Treaty Organisation was constantly concerned with (i) the communic ation gap between the generators of ecological/environmental infor mation and those who use it and (ii) the narrow interpretation of 'environmental' which too frequently was taken as being synonymous with pollution. Because of this concern, and because the panel recognised that land-use is perhaps the overriding facet of environmental policy it was decided to arrange the Seminar recorded in this volume :- Land and its Uses : Actual and Potential An Environmental Appraisal The development of this Seminar was chaired by Professor F. T. Last who was enthusiastically supported by B. G. Bell (U.K.), Drs S. Bie (Norway), 0. W. Heal (U.K.), R. Herrmann (Federal Republic of Germany), M.C.B.Hotz (formerly of NATO, Belgium, but now in Canada), L. Munn (Canada) and N. Yassoglou (Greece). Together, they decided that the participants should include (i) planners/decision makers and (ii) scientists generating ecological/environmental infor mation, in the hope that they would gain a better understanding of each others problems and attitudes and as a result identify how information can be prepared in a more usable form.
It is to the great and lasting credit of LORENZ BOHLER and his school that they have in the last decade developed and demonstrated so thoroughly the techniques for the conservative management of fractures. Nevertheless there have always been many, including some from BOHLER'S school, who have found considerable place for surgical management, and with the significant progress in general surgery seen in postwar years, a new stimulus has been given to this part of traumatic surgery, especially since bone injuries have become more complex and frequent. The concept of internal fixation is not new. The serious criticisms that have been levelled at it retain today their basic significance. Progress in the fields of asepsis, corrosion-free metal implants, operative experience and postoperative care has diminished the dangers but has not relieved the surgeon of responsibility. The Association for the Study of the Problems of Internal Fixation (AO) has devoted itself over a number of years to the basic principles and best methods of open treatment of fractures by means of extended clinical and scientific studies in order to determine in each individual case the most promising line of treatment. At the same time a well designed and tested instrument set has been developed with precise instructions for the appropriate techniques. As a result, the new observations about primary bone healing which have emerged from the practice of rigid internal fixation are as interesting as the uses to which they can be put in allowing early mobilization.
This book is primarily a general text covering the whole sweep of the forest industries. The over-riding emphasis is on a clear, simple interpretation of the underlying science, demonstrating how such principles apply to processing operations. The book considers the broad question "what is wood?" by looking at the biology, chemistry and physics of wood structure. Wood quality is examined, and explanations are offered on how and why wood quality varies and the implications for processing. Finally, various "industrial processes" are reviewed and interpreted. All chapters have been written by specialists, but the presentation targets a generalist audience.
In mental health and substance abuse organizations, mental health counselors and managers serve as essential personal for ensuring staff are supported. Mental health managers hold a critical role in providing guidance to counselors, which ultimately impact the quality of the care provided to patients in mental health and substance abuse organizations. Transformational and transactional leadership is noted to be effective for a variety of organizations. However, the role that transformational and transactional leadership plays in mental health and substance abuse organizations is absent in previous literature. For this study, a qualitative exploration of transactional and transformational leadership influence on the relationship between counselor and manager relationship was explored.
The life and times of Cooper Smith, A Convict Pioneer who lived from 1827 to 1871. He was a convict transported from England to Van Diemen's Land in 1845, to serve 12 years hard labour in the British Penal Colony which is now Tasmania, Australia. The untold story of our great great grandfather a convict pioneer. He spent time in Avoca, Buckland, Butler Point near Bicheno, Cascades, Castle Forbes Bay, Fingal, Franklin, Hobart, Hobart Prison Barracks or Tench, Victoria Huon, Lenah Valley, Lucaston, Rokeby, Impression Bay, Long Point Maria Island, New Town, Lagoon Bay and Launceston in Tasmania, clearing the land and building the infrastructure for future generations of Australians to enjoy.
Integrates the theory and applications of statistics using R A Course in Statistics with R has been written to bridge the gap between theory and applications and explain how mathematical expressions are converted into R programs. The book has been primarily designed as a useful companion for a Masters student during each semester of the course, but will also help applied statisticians in revisiting the underpinnings of the subject. With this dual goal in mind, the book begins with R basics and quickly covers visualization and exploratory analysis. Probability and statistical inference, inclusive of classical, nonparametric, and Bayesian schools, is developed with definitions, motivations, mathematical expression and R programs in a way which will help the reader to understand the mathematical development as well as R implementation. Linear regression models, experimental designs, multivariate analysis, and categorical data analysis are treated in a way which makes effective use of visualization techniques and the related statistical techniques underlying them through practical applications, and hence helps the reader to achieve a clear understanding of the associated statistical models. Key features: Integrates R basics with statistical concepts Provides graphical presentations inclusive of mathematical expressions Aids understanding of limit theorems of probability with and without the simulation approach Presents detailed algorithmic development of statistical models from scratch Includes practical applications with over 50 data sets
A discussion of the basic properties of structurally extended defects, their effect on the electronic properties of semiconductors, their role in semiconductor devices, and techniques for their characterization. This text is suitable for advanced undergraduate and graduate students in materials science and engineering, and for those studying semiconductor physics.
This bulletin provides principles, practices and procedures for testing machines and also determines aspects of a machine's performance that can be evaluated. It is directed towards those involved in the evaluation of machinery, and primarily towards users on small farms. Evaluation of farm equipment may be appropriate at any stage in its development, from first prototype to batch and series production.
and refinement that exists within the necessarily strict rules of the internal fixation method. In this way we seek to contribute to as weIl as to stimulate the search for rational solutions to surgical problems. It is assumed throughout that the reader is fa miliar with the technical fundamentals of internal fixation, and so these details are omitted. Instead, special indications and technical refinements are presented on the basis of case examples. Because an endless variety of situations can arise in orthopedic surgery (a circumstance that is attracting more and more surgeons to the field), we have taken ca re that our examples can readily be applied to novel situations. We now credit, in alphabetic order, those who contributed most to the techniques presented: R. BLATTER, A. BOITZY, C. BRUNNER, O. CECH, A. DEBRUNNER, F. MAGERL, G. SEGMÜLLER, G. STÜHMER, and B.G. WEBER. We thus express thanks to those colleagues in our clinic who agreed to having their ideas published. But we are also grateful to our illustrators, H. and K. SCHUMACHER, our photographer, M. SCHAFFNER, and our chief secretary, U. OETLIKER, who contributed so much to the preparation of the manuscript. Finally, we thank Springer-Verlag for their patience with us and especiaUy for their efficient work in bringing the book to press. St. GaU, Fall 1981 CH.F. BRUNNER B.G. WEBER Contents Lag Screws ............. .
This book outlines how to reorganize the U.S. Army into a fully 2 and 3-Dimensional maneuver capable, ground force with terrain-agile, armored fighting vehicles sized to rapidly deploy by fixed-wing and rotary-wing aircraft to the scene of world conflicts and strike at the heart of freedom‚s enemies. The plan to build the Army into Air-Mech-Strike Forces, exploiting emerging information-age technologies, as well as America‚s supremacy in aircraft and helicopter delivery systems---at the lowest cost to the taxpayers, is described in detail. These Army warfighting organizations, using existing and some newly purchased equipment, will shape the battlefield to America‚s advantage, preserving the peace before it is lost; if not, then winning fights that must be fought quickly. The dangerous world we live in moves by the speed of the AIR, and the 21st Century U.S. Army 2D/3D combat team will dominate this medium by Air-Mech-Strike!
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