Since the general recognition of the Archaebacteria, research into the evolution, metabolism, molecular biology and ecological roles of these fastidious anaerobes has proceeded at an ever-increasing pace. All possess a very novel biochemistry and many exploit unique ecological niches. Methanogens, which convert one-and-two carbon compounds into the important atmospheric gas methane, are the largest group among the Archaebacteria. Of all microbial groups, methanogens provide perhaps the best opportunity to study evolution because of their phyologenetic diversity and unique biochemistry. Today, the analysis of methanogens is at a threshold. Molecular-biological studies of these microorganisms are revealing more and more processes unique to this group, and in turn, studies of methanogens are providing new perspectives to the broader fields of biochemistry and molecular biology. This volume is the first book to be published on methanogenesis, and it will provide the reader with a comprehensive view of the field and point to future trends.
Exploring the cultural lives of African slaves in the early colonial Portuguese world, with an emphasis on the more than one million Central Africans who survived the journey to Brazil, James Sweet lifts a curtain on their lives as Africans rather than as incipient Brazilians. Focusing first on the cultures of Central Africa from which the slaves came--Ndembu, Imbangala, Kongo, and others--Sweet identifies specific cultural rites and beliefs that survived their transplantation to the African-Portuguese diaspora, arguing that they did not give way to immediate creolization in the New World but remained distinctly African for some time. Slaves transferred many cultural practices from their homelands to Brazil, including kinship structures, divination rituals, judicial ordeals, ritual burials, dietary restrictions, and secret societies. Sweet demonstrates that the structures of many of these practices remained constant during this early period, although the meanings of the rituals were often transformed as slaves coped with their new environment and status. Religious rituals in particular became potent forms of protest against the institution of slavery and its hardships. In addition, Sweet examines how certain African beliefs and customs challenged and ultimately influenced Brazilian Catholicism. Sweet's analysis sheds new light on African culture in Brazil's slave society while also enriching our understanding of the complex process of creolization and cultural survival.
Effective process safety programs consist of three interrelated foundations—safety culture and leadership, process safety systems, and operational discipline—designed to prevent serious injuries and incidents resulting from toxic releases, fires, explosions, and uncontrolled reactions. Each of these foundations is important and one missing element can cause poor process safety performance. Process Safety: Key Concepts and Practical Approaches takes a systemic approach to the traditional process safety elements that have been identified for effective process safety programs. More effective process safety risk reduction efforts are achieved when these process safety systems, based on desired activities and results rather than by specific elements, are integrated and organized in a systems framework. This book provides key concepts, practical approaches, and tools for establishing and maintaining effective process safety programs to successfully identify, evaluate, and manage process hazards. It introduces process safety systems in a way that helps readers understand the purpose, design, and everyday use of overall process safety system requirements. Understanding what the systems are intended to achieve, understanding why they have been designed and implemented in a specific way, and understanding how they should function day-to-day is essential to ensure continued safe and reliable operations.
A historical study of the relationship between political and environmental change in Tanzania's northeastern lowlands, an impoverished region that has been afflicted by severe food shortages throughout the twentieth century.
Documents the increasing aridity of the transitional zone between the full desert of the Sahara and the open grassland of western Africa, the border moving 200-300 kilometers south during a brief two and half centuries; and the political and economic changes as pastoral nomads of the desert edge followed the shift south, and the agricultural communities in their way had to abandon their villages or face subjugation. Annotation copyright by Book News, Inc., Portland, OR
Angiogenesis research is one of the most quickly developing areas in biomedicine. It is considered to be a common denominator in society's most important diseases and pharmaceutical companies are racing to develop new angiogenesis-based drugs. This volume focuses on the genetic control of angiogenesis, both in humans and model organisms, and will be a valuable resource to all researchers in the field, including the fundamentals of the process as well as workers in biotechnology.
Introducing HEMATOPATHOLOGY, a definitive new diagnostic reference on diseases of the hematopoietic system by Dr. Elaine S. Jaffe and her fellow editors, all collaborators on the World Health Organization's classification of lymphoid and myeloid disorders. These experts provide you with today's most effective guidance in evaluating specimens from the lymph nodes, bone marrow, peripheral blood, and more, equipping you to deliver more accurate and actionable pathology reports. More than 1,100 high-quality color images mirror the findings you encounter in practice. Overcome the toughest diagnostic challenges with authoritative guidance from the world's leading experts. Make optimal use of the newest diagnostic techniques, including molecular, immunohistochemical, and genetic studies. Compare specimens to more than 1,100 high-quality color images to confirm or challenge your diagnostic interpretations. Search the full contents online and download any of the images at expertconsult.com.
Unrivalled in scope and depth, Campbell’s Operative Orthopaedics continues to be the most widely used resource in orthopaedic surgery, relied on for years by surgeons across the globe. It provides trusted guidance on when and how to perform every state-of-the-art procedure that's worth using, with updates to the new edition including hundreds of new techniques, illustrations, and digital diagnostic images to keep you abreast of the latest innovations. Each chapter follows a standard template, with highlighted procedural steps that lead with art and are followed by bulleted text. Covers multiple procedures for all body regions. In-depth coverage helps you accommodate the increasing need for high-quality orthopaedic care in our aging population. Achieve optimal outcomes with step-by-step guidance on today's full range of procedures, brought to you by Drs. Canale, Beaty, and Azar, and many other contributors from the world-renowned Campbell Clinic. Expanded online library boasts high-quality videos of key procedures. Includes approximately 100 new techniques, 300 new illustrations, and 500 new or updated photos and high-quality digital diagnostic images. Features evidence-based surgical coverage wherever possible to aid in making informed clinical choices for each patient. Highlights the latest knowledge on total joint arthroplasty in the ambulatory surgery center, including how to manage metal sensitivity. Provides up-to-date details on rib-based distraction implants (VEPTR) and remote-controlled growing rods (MAGEC) for scoliosis; diagnosis of femoroacetabular impingement (FAI) and its influence on development of osteoarthritis; and the treatment of FAI with the mini-open direct anterior approach. Extensive art program is consistent throughout the 4 volumes, providing a fresh, modern look. Expert Consult eBook version included with purchase. This enhanced eBook experience allows you to search all of the text, figures, images, videos, and references from the book on a variety of devices.
A thrilling adventure story chronicling the perilous journey of the scientists who set out to prove the theory of relativity--the results of which catapulted Albert Einstein to fame and forever changed our understanding of the universe. In 1911, a relatively unknown physicist named Albert Einstein published his preliminary theory of gravity. But it hadn't been tested. To do that, he needed a photograph of starlight as it passed the sun during a total solar eclipse. So began a nearly decade-long quest by seven determined astronomers from observatories in four countries, who traveled the world during five eclipses to capture the elusive sight. Over the years, they faced thunderstorms, the ravages of a world war, lost equipment, and local superstitions. Finally, in May of 1919, British expeditions to northern Brazil and the island of Príncipe managed to photograph the stars, confirming Einstein's theory. At its heart, this is a story of frustration, faith, and ultimate victory--and of the scientists whose efforts helped build the framework for the big bang theory, catapulted Einstein to international fame, and shook the foundation of physics.
Still the most widely used comprehensive resource in orthopaedic surgery, Campbell’s Operative Orthopaedics is an essential reference for trainees, a trusted clinical tool for practitioners, and the gold standard for worldwide orthopaedic practice. Unparalleled in scope and depth, this 14th Edition contains updated diagnostic images, practical guidance on when and how to perform every procedure, and rapid access to data in preparation for surgical cases or patient evaluation. Drs. Frederick M. Azar and James H. Beaty, along with other expert contributors from the world-renowned Campbell Clinic, have collaborated diligently to ensure that this 4-volume text remains a valuable resource in your practice, helping you achieve optimal outcomes with every patient. Features evidence-based surgical coverage throughout to aid in making informed clinical choices for each patient. Covers multiple procedures for all body regions to provide comprehensive coverage. Keeps you up to date with even more high-quality procedural videos, a new chapter on biologics in orthopaedics, and expanded and updated content on hip arthroscopy, patellofemoral arthritis and more. Follows a standard template for every chapter that features highlighted procedural steps, high-quality illustrations for clear visual guidance, and bulleted text. Enhanced eBook version included with purchase. Your enhanced eBook allows you to access all of the text, figures, and references from the book on a variety of devices
These original research papers, written during a period of over a quarter of a century, have two main objectives. The first is to lay the foundations of the theory of harmonic maps between Riemannian Manifolds, and the second to establish various existence and regularity theorems as well as the explicit constructions of such maps.
It now appears that the old argument about Lorentz vs Galileo relativity is passing into history. The Lorentz symmetry may soon become obsolete itself just as the Galileo symmetry did about 1900. The tremendous successes of QED represent real progress in our quest to understand nature. The answer is not to go as most ?outsiders? but to go forward ? beyond to new ideas and equations that will match nature even better than QED does. This book shows us a new view of relativity and quantum equations. It has new equations that extend Lorentz Maxwell and Dirac.
AMS Special Session on Real Algebraic Geometry and Ordered Algebraic Structures Held at Louisiana State University, Baton Rouge, LA, April 17-21, 1996 : Special Semester on Real Algebraic Geometry and Ordered Structures Held at Louisiana State University and Southern University, Baton Rouge, LA, January-May 1996
AMS Special Session on Real Algebraic Geometry and Ordered Algebraic Structures Held at Louisiana State University, Baton Rouge, LA, April 17-21, 1996 : Special Semester on Real Algebraic Geometry and Ordered Structures Held at Louisiana State University and Southern University, Baton Rouge, LA, January-May 1996
This volume contains 16 carefully refereed articles by participants in the Special Semester and the AMS Special Session on Real Algebraic Geometry and Ordered Structures held at Louisiana State University and Southern University (Baton Rouge). The 23 contributors to this volume were among the 75 mathematicians from 15 countries who participated in the special semester. Topics include the topology of real algebraic curves (Hilbert's 16th problem), moduli of real algebraic curves, effective sums of squares of real forms (Hilbert's 17th problem), efficient real quantifier elimination, subanalytic sets and stratifications, semialgebraic singularity theory, radial vector fields, exponential functions and valuations on nonarchimedean ordered fields, valued field extensions, partially ordered and lattice-ordered rings, rings of continuous functions, spectra of rings, and abstract spaces of (higher-level) orderings and real places. This volume provides a good overview of the state of the art in this area in the 1990s. It includes both expository and original research papers by top workers in this thriving field. The authors and editors strived to make the volume useful to a wide audience (including students and researchers) interested in real algebraic geometry and ordered structures-two subjects that are obviously related, but seldom brought together.
2008 NOMINEE The Council on Botanical and Horticultural Libraries Annual Award for a Significant Work in Botanical or Horticultural Literature From medicinal, industrial, and culinary uses to cutting-edge laboratory techniques in modern research and plant conservation strategies, Natural Products from Plants
For more than 50 years, this classic reference has provided fundamental data in an accessible, concise form. This edition of the Mathematics Dictionary incorporates updated terms and concepts in its span of more than 8,000 topics from a broad spectrum of mathematical specialties. It features review-length descriptions of theories, practices and principles as well as a multilingual index.
The Critique of Impure Reason: Horizons of Possibility and Meaning comprises a major and important contribution to philosophy. It inaugurates a revolutionary paradigm shift in philosophical thought by providing compelling and long-sought-for solutions to a wide range of philosophical problems. In the process, the massive work fundamentally transforms the way in which the concepts of reference, meaning, and possibility are understood. The book includes a Foreword by the celebrated German philosopher and physicist Carl Friedrich von Weizsäcker. In Kant’s Critique of Pure Reason we find an analysis of the preconditions of experience and of knowledge. In contrast, but yet in parallel, the new Critique focuses upon the ways—unfortunately very widespread and often unselfconsciously habitual—in which many of the concepts that we employ conflict with the very preconditions of meaning and of knowledge. This is a book about the boundaries of frameworks and about the unrecognized conceptual confusions in which we become entangled when we attempt to transgress beyond the limits of the possible and meaningful. We tend either not to recognize or not to accept that we all-too-often attempt to trespass beyond the boundaries of the frameworks that make knowledge possible and the world meaningful. The Critique of Impure Reason proposes a bold, ground-breaking, and startling thesis: that a great many of the major philosophical problems of the past can be solved through the recognition of a viciously deceptive form of thinking to which philosophers as well as non-philosophers commonly fall victim. For the first time, the book advances and justifies the criticism that a substantial number of the questions that have occupied philosophers fall into the category of “impure reason,” violating the very conditions of their possible meaningfulness. The purpose of the study is twofold: first, to enable us to recognize the boundaries of what is referentially forbidden—the limits beyond which reference becomes meaningless—and second, to avoid falling victims to a certain broad class of conceptual confusions that lie at the heart of many major philosophical problems. As a consequence, the boundaries of possible meaning are determined. Bartlett, the author or editor of more than 20 books, is responsible for identifying this widespread and delusion-inducing variety of error, metalogical projection. It is a previously unrecognized and insidious form of erroneous thinking that undermines its own possibility of meaning. It comes about as a result of the pervasive human compulsion to seek to transcend the limits of possible reference and meaning. Based on original research and rigorous analysis combined with extensive scholarship, the Critique of Impure Reason develops a self-validating method that makes it possible to recognize, correct, and eliminate this major and pervasive form of fallacious thinking. In so doing, the book provides at last provable and constructive solutions to a wide range of major philosophical problems. CONTENTS AT A GLANCE Preface Foreword by Carl Friedrich von Weizsäcker Acknowledgments Avant-propos: A philosopher’s rallying call Introduction A note to the reader A note on conventions PART I WHY PHILOSOPHY HAS MADE NO PROGRESS AND HOW IT CAN 1 Philosophical-psychological prelude 2 Putting belief in its place: Its psychology and a needed polemic 3 Turning away from the linguistic turn: From theory of reference to metalogic of reference 4 The stepladder to maximum theoretical generality PART II THE METALOGIC OF REFERENCE A New Approach to Deductive, Transcendental Philosophy 5 Reference, identity, and identification 6 Self-referential argument and the metalogic of reference 7 Possibility theory 8 Presupposition logic, reference, and identification 9 Transcendental argumentation and the metalogic of reference 10 Framework relativity 11 The metalogic of meaning 12 The problem of putative meaning and the logic of meaninglessness 13 Projection 14 Horizons 15 De-projection 16 Self-validation 17 Rationality: Rules of admissibility PART III PHILOSOPHICAL APPLICATIONS OF THE METALOGIC OF REFERENCE Major Problems and Questions of Philosophy and the Philosophy of Science 18 Ontology and the metalogic of reference 19 Discovery or invention in general problem-solving, mathematics, and physics 20 The conceptually unreachable: “The far side” 21 The projections of the external world, things-in-themselves, other minds, realism, and idealism 22 The projections of time, space, and space-time 23 The projections of causality, determinism, and free will 24 Projections of the self and of solipsism 25 Non-relational, agentless reference and referential fields 26 Relativity physics as seen through the lens of the metalogic of reference 27 Quantum theory as seen through the lens of the metalogic of reference 28 Epistemological lessons learned from and applicable to relativity physics and quantum theory PART IV HORIZONS 29 Beyond belief 30 Critique of Impure Reason: Its results in retrospect SUPPLEMENT The Formal Structure of the Metalogic of Reference APPENDIX I: The Concept of Horizon in the Work of Other Philosophers APPENDIX II: Epistemological Intelligence References Index About the author
A young inventor named Max and three middle school classmates travel back in time to the Garden of Eden where they are tempted by the Enemy to turn away from God.
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