الصفحة 21
الصفحة 21
The new in peptic ulcer
Peptic ulcer can be defined as mucosal lesions that penetrate the muscularis mucosae layer and form a cavity surrounded by acute and chronic inflammation. It continues to be a source of significant morbidity and mortality worldwide. Approximately two-thirds of patients found to have peptic ulcer disease are asymptomatic. In symptomatic patients, the most common presenting symptom of peptic ulcer disease is epigastric pain, which may be associated with dyspepsia, bloating, abdominal fullness, nausea, or early satiety.
The new astronomy : Opening the electromagnetic window and expanding our view of planet earth : A Meeting to Honor Woody Sullivan on his 60th Birthday
This unique work celebrates the 60th birthday of Professor Woodruff Sullivan III (University of Washington, Seattle). The ‘Woodfest’ conference attracted some of the world’s leading astrobiologists and historians of astronomy, so it is no surprise this book provides a collection of key papers and reviews on the history of astronomy, astrobiology and sundials. The emphasis on radio astronomy in the historical papers is a fitting reminder that Woody is widely acknowledged as the world’s leading authority in this field. But there are also papers on astrobiology, which reflect his intimate involvement in this exciting multidisciplinary field. The papers on sundials reveal another passion and his quest to make Seattle the sundial capital of North America! This book will appeal to professional and amateur astronomers, and is a tribute to one of the world’s most remarkable astronomers.
The NeuroProcessor : An integrated interface to biological neural networks
This book presents the Neuroprocessor, a novel computational neuronal interface device implemented in VLSI technology. In addition to neuronal signals acquisition, it can process the data, generate stimuli and transmit the data over wireless channels, while using minimum electric energy.
The Network(ed) Economy : The Nature, Adoption and Diffusion of Communication Standards
In an increasingly globalized and networked world modern communication channels and new electronic media standards are constantly changing traditional interaction patterns of humans and even machines. Communication-based interaction is of pivotal economic importance and the availability of generally accepted electronic communication standards is essential in order to decrease communication-related transaction costs.This book combines the theories of diffusion and network effects and presents a new goods classification model to explore the dissemination of IT and e-business standards. On this basis it designs two applications that support and improve firms' electronic interlaced communication by means of automation and standardization effects.
The Network Collective : Rise and Fall of a Scientific Paradigm
The network paradigm dominated immunological research from the early 1970s to the late 1980s. The originator, Niels Jerne, hypothesized that the vast diversity of antibodies in each individual forms a network of mutual ""idiotypic"" recognition, thus regulating the immune system. In context of emerging concepts of systems biology such as cybernetics and autopoesis, the ""Eigenbehavior"" of the immune system fascinated an entire generation of young immunologists. But fascination led to experimental errors and overinterpretation, eventually magnifying the immune system from a mere infection-fighting device to a substrate of personality and individuality. As a result, what initially appeared as an exciting new perspective of the immune system is now viewed as a scientific vagary, and is largely abandoned.
The Narrative Subject : Storytelling in the age of the Internet
This book considers the stories of adolescents and young adults from different regions of the world who use digital media as instruments and stages for storytelling, or who make themselves the subject of storytelling.
The Myc/Max/Mad Transcription Factor Network
Intense study of the enigmatic myc proto-oncogene over the last 20 years has broadened our view of its functions and led to insights into transcriptional regulation as well as cancer etiology, cell proliferation, apoptosis, and organismal development. How can one gene be involved in so many aspects of cellular behavior? Of particular interest is the fact that the Myc protein functions as part of a network (comprising Myc, Max, and Mad proteins) whose specific interactions direct transcriptional activation or repression of a large number of target genes. The chapters in this volume examine both molecular and biological aspects of the Myc/Max/Mad network. Included are contributions concerning the regulation of its expression, the mechanisms underlying its diverse transcriptional activities, the structural bases for its critical interactions, and the nature of its target genes. Other chapters explore the evolution of the network, its role in development and genomic instability, and the evidence for a parallel transcriptional network. Overall, this volume provides a broad and current overview of research on a crucial group of transcription factors.
The Multimedia Internet
This text is a light technical introduction to the three technical foundations for multimedia applications across the Internet: communications (principles, technologies and networking), compressive encoding of digital media, and Internet protocol and services.
The Multi-Agent Programming Contest 2019 ; Agents Assemble – Block by Block to Victory
This book constitutes the 14th edition of the annual Multi-Agent Programming Contest, MAPC 2019, and presents its participants. The 2019 scenario and all its changes from previous competitions are described in the first contribution, together with a brief description and analysis of the five participating teams and a closer look at the matches. It is followed by a contribution from each team, introducing their methods and tools used to create their agent team and analyzing their performance and the contest.
The Moral, Social, and Commercial Imperatives of Genetic Testing and Screening : The Australian Case
This is a dynamic book that successfully combines global and local thinking with regard to an emerging technology that will contribute to the expansion of proteomics and pharmacogenomics, the science of tailored healthcare and treatments. Genetic testing and screening will change the way people understand health, diagnostic knowledge, illness but also crime, databases and private information, paternity, and self-knowledge. In addition to giving individuals the opportunity to think differently about their well-being, it installs a new taxonomy in terms of illness, because its probabilistic effects will introduce a new narrative in the health discourse of 21st century society. While in the past people could be classified as being healthy or sick, now, through genetic testing and screening, adults can be classified as being healthy, predisposed to an illness, probably at risk, at risk, or carriers of certain risks. The effects of this taxonomy do not remain confined to the individual who is tested but extends to an entire family, as genetic knowledge is family knowledge. But the technology of genetic testing and screening installs a second dramatic register in the prenatal phase when cells and embryos are tested and subsequently altered in order to hit targets of perfection.
The Moon that Wasn’t : The Saga of Venus’ Spurious Satellite
This book details the history of one of astronomy’s many spurious objects, the satellite of Venus. First spotted in 1645, the non-existing moon was observed more than a dozen times until the late eighteenth century. Although few astronomers believed in the existence of the moon after about 1770, it continued to attract attention for at least another century. However, it has largely disappeared from the history of astronomy, and the rich historical sources have never been exploited. By telling the story of the enigmatic satellite in its proper historical context it is demonstrated that it was much more than a mere curiosity in the annals of astronomy – Frederick II of Prussia was familiar with it, and so was Bonnet, Kant and Voltaire.
The Moon : Resources, Future Development and Settlement
The book stresses that the envisioned "Planet Moon Project" will link the technological and cultural expertise of humanity to the virtually limitless resources of space. From that beginning, the people of the Earth reap substatntial benefits from space, and the human species will evolve into a spacefaring civilization.
The Molecular Mechanisms of Axenfeld-Rieger Syndrome
Annotation The Molecular Mechanisms of Axenfeld-Rieger Syndrome describes the current research and clinical findings of the heterogeneous disorder termed Axenfeld-Rieger Syndrome (ARS). The book provides an in-depth analysis of this phenotypic diverse disorder and is designed to detail the current molecular and biochemical research involved in studying genetic defects. This book brings together the complete analysis of a human genetic defect using humans, mouse and chick epigenetic and genetic studies, combined with cell culture and in vitro analyses. It is a comprehensive study of a unique set of genes and their mutant activities. A molecular basis for the genetic and phenotypic anomalies observed in ARS patients is provided, with especially detailed descriptions of eye, tooth, and heart development.
The Molecular Genetics of Lung Cancer
Lung cancer is the leading cause of cancer mortality in Western countries. It also provides an archetypal example of how inherited predisposing genetic variants may interact with an environmental influence (smoking) to modulate individual cancer risk. The Molecular Genetics of Lung Cancer describes how the new techniques, methods and approaches of molecular genetics are being used to unravel the complexities of the mechanisms underlying lung tumorigenesis by analysis at the DNA, RNA and protein levels with potentially important implications for tumour classification, diagnosis, prognosis and treatment as well as providing new insights into how lung tumours arise and how they progress to malignancy.
The Modern Algebra of Information Retrieval
This book takes a unique approach to information retrieval by laying down the foundations for a modern algebra of information retrieval based on lattice theory. All major retrieval methods developed so far are described in detail ئ Boolean, Vector Space and probabilistic methods, but also Web retrieval algorithms like PageRank, HITS, and SALSA ئ and the author shows that they all can be treated elegantly in a unified formal way, using lattice theory as the one basic concept. Further, he also demonstrates that the lattice-based approach to information retrieval allows us to formulate new retrieval methods. Sándor Dominichѫs presentation is characterized by an engineering-like approach, describing all methods and technologies with as much mathematics as needed for clarity and exactness.
The MESSENGER Mission to Mercury
The articles in this book, written by the experts in each area of the MESSENGER mission, describe the mission, spacecraft, scientific objectives, and payload. The book is of interest to all potential users of the data returned by the MESSENGER mission, to those studying the nature of the planet Mercury, and by all those interested in the design and implementation of planetary exploration missions.
The Medical Basis of Psychiatry
The major goal of the this edition of this classic book was to update the busy clinician, psychiatric resident and medical student with the most up-to-date information on etiology, diagnosis and treatment of psychiatric disorders.
The Making of a Neuromorphic Visual System
The book reviews theories of visual object and shape recognition in the fields of computer vision, neuroscience and psychology. The entire range of computations is discussed, as for example contour extraction in retinal circuits, orientation determination in cortical networks, position and scale independence of shape, as well as the issue of object and shape representation in a neural substrate.
The Magnetospheric Cusps : Structure and Dynamics
This collection of papers will address the question "What is the Magnetospheric Cusp?" and what is its role in the coupling of the solar wind to the magnetosphere as well as its role in the processes of particle transport and energization within the magnetosphere. The cusps have traditionally been described as narrow funnel-shaped regions that provide a focus of the Chapman-Ferraro currents that flow on the magnetopause, a boundary between the cavity dominated by the geomagnetic field (i.e., the magnetosphere) and the external region of the interplanetary medium. Measurements from a number of recent satellite programs have shown that the cusp is not confined to a narrow region near local noon but appears to encompass a large portion of the dayside high-latitude magnetosphere and it appears that the cusp is a major source region for the production of energetic charged particles for the magnetosphere.
The Machines of Leonardo Da Vinci and Franz Reuleaux : Kinematics of Machines from the Renaissance to the 20th Century
This book is about the evolution of these machines and the inv- tors and engineers who created them from the early Renaissance to the early 20th century. I have chosen two personalities who are icons of these two machine ages, Leonardo da Vinci [1452–1519] and Franz Reuleaux [1829– 1905], recognizing both the cadre of machine designers who in?uenced them as well as those who were in?uenced by the accomplishments of these two engineers. A major thesis of this book is that the evolution of machine design methodology, from the intuitive methods of the workshop to the math-based, engineering science analysis and synthesis of modern industrial design, was of equal achievement as the creation of the marvelous machines themselves. In the past two decades there has been increasing interest in rational me- ods of design from topology and optimization theories to genetic algorithms. In the teaching of design at the novitiate level, the importance of design - cles and iteration is emphasized. Yet often the historical background for e- lution of machine design is minimal or missing.
