Springer us springer us jan 2012 (132 risultati)
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Da: Wegmann1855, Zwiesel, GermaniaWegmann1855
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Taschenbuch. Condizione: Neu. Neuware -Recent developments in various areas of chemistry have been decisively influenced by the principles of structure and mechanism and by the ideas of coordination chemistry, in particular by the donor-acceptor approach, A unified view of almost all kinds of molecular forces is provided by quan…tum mechanics, and for practical purposes have been classified according to model assumptions, namely, dispersion, polarization, electrostatic, and short-range forces. The latter are divided into two- and three-center covalent chemical bonds, metallic bonds, and exchange-repulsion forces. This approach allows statements of principle and systematic analysis. However, quantitative predictions on concrete large systems are virtually impossible, and there are no general rules that account for structural and chemical changes due to intermolecular interactions. Chemists are therefore left with qualitative descriptions in which the changes in electron densities are considered. Such models as the MO theory or the resonance concept unrealistically assume that the nuclei remain in fixed positions. Further difficulties are encountered in the attempted description on the 'nature' of the chemical bond, e.g., the forces involved. In order to avoid these difficulties an extension of the donor-acceptor concept, characterized by the comparison between equilibrium structures in different molecular environments, will be presented in this book. In this way, changes in the positions of the nuclei can be taken into account and the question of the nature of the molecular forces is no longer important.
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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
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Taschenbuch. Condizione: Neu. Neuware -Recent developments in various areas of chemistry have been decisively influenced by the principles of structure and mechanism and by the ideas of coordination chemistry, in particular by the donor-acceptor approach, A unified view of almost all kinds of molecular forces is provided by quan…tum mechanics, and for practical purposes have been classified according to model assumptions, namely, dispersion, polarization, electrostatic, and short-range forces. The latter are divided into two- and three-center covalent chemical bonds, metallic bonds, and exchange-repulsion forces. This approach allows statements of principle and systematic analysis. However, quantitative predictions on concrete large systems are virtually impossible, and there are no general rules that account for structural and chemical changes due to intermolecular interactions. Chemists are therefore left with qualitative descriptions in which the changes in electron densities are considered. Such models as the MO theory or the resonance concept unrealistically assume that the nuclei remain in fixed positions. Further difficulties are encountered in the attempted description on the 'nature' of the chemical bond, e.g., the forces involved. In order to avoid these difficulties an extension of the donor-acceptor concept, characterized by the comparison between equilibrium structures in different molecular environments, will be presented in this book. In this way, changes in the positions of the nuclei can be taken into account and the question of the nature of the molecular forces is no longer important.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 296 pp. Englisch.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - Recent developments in various areas of chemistry have been decisively influenced by the principles of structure and mechanism and by the ideas of coordination chemistry, in particular by the donor-acceptor approach, A unified view of almost all kinds of molecular forces is provided by qua…ntum mechanics, and for practical purposes have been classified according to model assumptions, namely, dispersion, polarization, electrostatic, and short-range forces. The latter are divided into two- and three-center covalent chemical bonds, metallic bonds, and exchange-repulsion forces. This approach allows statements of principle and systematic analysis. However, quantitative predictions on concrete large systems are virtually impossible, and there are no general rules that account for structural and chemical changes due to intermolecular interactions. Chemists are therefore left with qualitative descriptions in which the changes in electron densities are considered. Such models as the MO theory or the resonance concept unrealistically assume that the nuclei remain in fixed positions. Further difficulties are encountered in the attempted description on the 'nature' of the chemical bond, e.g., the forces involved. In order to avoid these difficulties an extension of the donor-acceptor concept, characterized by the comparison between equilibrium structures in different molecular environments, will be presented in this book. In this way, changes in the positions of the nuclei can be taken into account and the question of the nature of the molecular forces is no longer important.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - This volume, the fifth of a continuing series on information systems science, covers four timely topics which are in the mainstream of this field. In each chapter, an attempt is made to familiarize the reader with basic background information on the advances discussed, so that this volume…may be used independently or in conjunction with the previous volumes. The emphasis in this volume is focused upon data organization and access methods, software for on-line minicomputer applications, advances in micropro graming, and gramm ars and recognizers for formal and natural languages. In Chapter 1, P. C. Patton presents a tutorial survey of data organiza tion and access methods which play a central role in information system design. Research in information processing has been shifted from numerical data processing to nonnumerical information handling. In the latter case, the information is carried not only by the data but also by the structure and organization of the data base. In this chapter, the author provides the reader with a comprehensive review of various data structures, including linear lists, array structures, tree structures, and multilinked structures. He also discusses the important problem of data-base design and management. This chapter concludes with several examples of information handling systems such as a matrix interpretive system, a generalized information management system, and a criminal justice information system. The rapid reduction in cost and great increase in capability of the mini computer have made it an attractive machine for information systems.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - Information systems science embraces a broad spectrum of topics. It is vir tually impossible to provide comprehensive and in-depth discussion, other than simple recitals of recent results, of every important topic in each volume of this annual review series. Since we have chosen the former… approach, each volume will only cover certain aspects of recent advances in this bur geoning field. The emphasis in this volume, the third of a continuing series, is focussed upon pattern recognition, pictorial information manipulation, and new approaches to logical design of information networks. In Chapter 1, V. A. Kovalevsky presents a tutorial survey of practical and theoretical developments in pattern recognition. He categorizes the basic developments in three different directions. The first direction is charac terized by an empirical treatment with highly specialized recognition schemes. In the second direction, the major efforts are centered upon the cre ation of learning systems capable of improving recognition performance on the basis of past experience. The majority of the work in the third direction is devoted to the study of the basic structure of complex patterns, the con struction of mathematical models for pattern recognition, and the analysis of complex pictorial representations. The author elucidates the 'heuristics' approach and the 'science' approach to pattern recognition problems. This chapter together with Chapter 2 of this volume supplements the chapter on Engineering Principles of Pattern Recognition in Volume 1 to provide a more complete treatment of this subject.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - The time seems ripe for a critical compendium of that segment of the biological universe we call viruses. Virology, as a science, having passed only recently through its descriptive phase of naming and num bering, has probably reached that stage at which relatively few new truly new-viruse…s will be discovered. Triggered by the intellectual probes and techniques of molecular biology, genetics, biochemical cytology, and high resolution microscopy and spectroscopy, the field has experienced a genuine information explosion. Few serious attempts have been made to chronicle these events. This comprehensive series, which will comprise some 6000 pages in a total of about 18 volumes, represents a commitment by a large group of active investigators to analyze, digest, and expostulate on the great mass of data relating to viruses, much of which is now amorphous and disjointed, and scattered throughout a wide literature. In this way, we hope to place the entire field in perspective, and to develop an invalua ble reference and sourcebook for researchers and students at all levels. This series is designed as a continuum that can be entered anywhere, but which also provides a logical progression of developing facts and integrated concepts.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - It is only relatively recently that neurochemists and neurobiologists have shown appreciable interest in the class of macromolecules now generally re ferred to as complex carbohydrates, although gangliosides were, of course, first identified and studied in brain. The glycosaminoglycans fel…l chiefly within the province of connective-tissue biochemists, and earlier informa tion concerning the structure and metabolism of glycoproteins was largely limited to the more accessible glycoproteins and oligosaccharides (such as those found in plasma, milk, and urine), or ones which are relatively simple to prepare in a soluble and manageable form. Techniques were later devised for the isolation and purification of tightly bound membrane glycoproteins, where initial studies concentrated mainly on the erythrocyte, for which large amounts of a single cell population are available. Because of the structural complexity of nervous tissue and the large numbers, low concentrations, and membrane-bound form of many of its complex carbohydrates, progress has occurred more slowly in this area.
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Taschenbuch. Condizione: Neu. Neuware - Prostaglandins, Leukotrienes, and Cancer is a multi-volume series that will focus on an emerging area of cancer research. In 1968, R.H. Williams first reported that elevated prostaglandin levels are present in human medullary car cinoma. Since that time, the concept that arachidonic acid m…etabolites may be in volved in cancer has expanded to include every aspect of the disease from cell transformation through metastasis. Prostaglandins and leukotrienes are generic terms used to describe a family of bioactive lipids produced from unsaturated fatty acids (principally from arachidonic acid) via the cyclooxygenase and lipoxygenase pathways, respec tively. Cyclooxygenase products consist of diverse products such as prosta glandin Ez (PGEz), prostacyclin (PGIz) and thromboxane Az (TXAz), whereas lipoxygenase products consist of hydroperoxy fatty acids and mono-, di- and tri-hydroxy acids including leukotrienes. The precursor fatty acids for the cyclooxygenase and lipoxygenase pathways are present in cellular phospholipids. This finding established an important control point in their biosynthesis-the release of substrate. This occurs in response to numerous stimuli that act at the cell surface. Dr. Bengt Samuelsson's extensive study of the metabolism of pros taglandins indicated that they are rapidly inactivated on a single pass through pulmonary circulation. Thus, they cannot act as circulating hormones and appear to be made on demand in or in the vicinity of target tissues leading to the concept that prostaglandins are local hormones or autocoids.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Recent developments in various areas of chemistry have been decisively influenced by the principles of structure and mechanism and by the ideas of coordination chemistry, in particular by the donor-acceptor approach, A unified view… of almost all kinds of molecular forces is provided by quantum mechanics, and for practical purposes have been classified according to model assumptions, namely, dispersion, polarization, electrostatic, and short-range forces. The latter are divided into two- and three-center covalent chemical bonds, metallic bonds, and exchange-repulsion forces. This approach allows statements of principle and systematic analysis. However, quantitative predictions on concrete large systems are virtually impossible, and there are no general rules that account for structural and chemical changes due to intermolecular interactions. Chemists are therefore left with qualitative descriptions in which the changes in electron densities are considered. Such models as the MO theory or the resonance concept unrealistically assume that the nuclei remain in fixed positions. Further difficulties are encountered in the attempted description on the 'nature' of the chemical bond, e.g., the forces involved. In order to avoid these difficulties an extension of the donor-acceptor concept, characterized by the comparison between equilibrium structures in different molecular environments, will be presented in this book. In this way, changes in the positions of the nuclei can be taken into account and the question of the nature of the molecular forces is no longer important. 296 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The second volume of Condensed Matter Theories contains the proceedings of the 10th International Workshop held at Argonne National Laboratory, Argonne, IL, U.S.A. during the week of July 21, 1986. The workshop was attended by high…-energy, nuclear and condensed-matter physicists as well as materials scientists. This diverse blend of participants was in keeping with the flavor of the previous workshops. This annual series of international workshops was'started in 1977 in Sao Paulo, Brazil. Subsequent'workshops were held in Trieste (Italy), Buenos Aires (Argentina), Caracas (Venezuela), Altenberg (West Germany), Granada (Spain), and San Francisco (U.S.A.). What began as a meeting of the physicists from the Western Hemisphere has expanded in the last three years into an international conference of scientists with diverse interests and backgrounds. This diversity has promoted a healthy exchange of ideas from different branches of physics and also fruitful interactions among the participants. The present volume is a continuation of the effort started last year when the invited papers from the 9th International Workshop were published by Plenum Press. Our only trepidation in organizing a book of this kind stemmed from the diversity of the material, which did not lend itself easily to well-defined topics. Still, the articles are loosely divided into eight categories, where the papers in each category have either a common theme or the same underlying technique. 424 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -General Editor: Peter Calow, Department of Zoology, University of Sheffield, England The main aim of this series will be to illustrate and to explain the way organisms 'make a living' in nature. At the heart of this - their functio…nal biology - is the way organisms acquire and then make use of resources in metabolism, movement, growth, reproduction, and so on. These processes will form the fundamental framework of all the books in the series. Each book will concentrate on a particular taxon (species, family, class or even phylum) and will bring together information on the form, physiology, ecology and evolutionary biology of the group. The aim will be not only to describe how organisms work, but also to consider why they have come to work in that way. By concentrating on taxa which are well known, it is hoped that the series will not only illustrate the success of selection, but also show the constraints imposed upon it by the physiological, morpho logical and developmentallimhations of the groups. Another important feature of the series will be its organismic orientation. Each book will emphasise the importance of functional integration in the day-to-day lives and the evolution of organisms. This is crucial since, though it may be true that organisms can be considered as collections of gene-determined traits, they neverthe less interact with their environment as integrated wholes and it is in this context that individual traits have been subjected to natural selection and have evolved. 208 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Dr. Maurizio Andolfi, 'Andi' to my dog and me, is one of the fourth generation family therapy theorists. This book, which he calls 'interac tional,' is probably one you would not enjoy. Maybe you could give it to a rival colleague…on his birthday. Combining the teachings of Zwerling and Laperriere with Ferber is confusing. Add to that a Horney analysis and stir with two ounces of Minuchin and a dram of Haley, and Andolfi becomes distracting to his friends and colleagues. His work with Can crini reacculturated him somewhat, but a Roman is a Roman, and, of course, he could not understand such problems as those we conquer in the United States. Assuming your rival is a well-trained, cause-and-effect thinker, you might find ways to watch him squirm. If he has not tried paradoxical methods, expect him to take a long vacation from work. If he is already a good family therapist, he may become a bit hypomanic, and his team may talk to you in private. Encourage them to suggest that he work harder and stop reading the book or, better still, donate it to the social work school library; they will read anything. If the team complains that the book advises teaching sick families how to be their own therapists, resist any impulse to check this out. No family could become self reparative when it is already dysfunctional. We know that professional help is the only hope. 192 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book discusses how human beings cope with serious physical ill ness and injury. A conceptual model for understanding the process of coping with the crisis of illness is provided, and basic adaptive tasks and types of coping sk…ills are identified. The major portion of the book is organized around various types of physical illness. These physical illnesses, which almost all people face either in themselves or their family members, raise common relevant coping issues. The last few sections cover 'the crisis of treatment,' emphasizing the importance of unusual hospital environments and radical new medical treatments, of stresses on professional staff, and of issues related to death and the fear of dying. The material highlights the fact that people can successfully cope with life crises such as major ill ness and inj ury, rather than the fact that severe symptoms and/or breakdowns sometimes occur. The importance of support from professional care-givers, such as physicians, nurses, and social workers, and from family, friends, and other sources of help in the community, is emphasized. Many of the selections include case examples which serve to illustrate the material. Coping with Physical Illness has been broadly conceived to meet the needs of a diverse audience. There is substantial information about how human beings cope with illness and physical disability, but this material has never been collected in one place. 456 pp. Englisch.
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Da: Rheinberg-Buch Andreas Meier eK, Bergisch Gladbach, GermaniaRheinberg-Buch Andreas Meier eK
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Recent developments in various areas of chemistry have been decisively influenced by the principles of structure and mechanism and by the ideas of coordination chemistry, in particular by the donor-acceptor approach, A unified view… of almost all kinds of molecular forces is provided by quantum mechanics, and for practical purposes have been classified according to model assumptions, namely, dispersion, polarization, electrostatic, and short-range forces. The latter are divided into two- and three-center covalent chemical bonds, metallic bonds, and exchange-repulsion forces. This approach allows statements of principle and systematic analysis. However, quantitative predictions on concrete large systems are virtually impossible, and there are no general rules that account for structural and chemical changes due to intermolecular interactions. Chemists are therefore left with qualitative descriptions in which the changes in electron densities are considered. Such models as the MO theory or the resonance concept unrealistically assume that the nuclei remain in fixed positions. Further difficulties are encountered in the attempted description on the 'nature' of the chemical bond, e.g., the forces involved. In order to avoid these difficulties an extension of the donor-acceptor concept, characterized by the comparison between equilibrium structures in different molecular environments, will be presented in this book. In this way, changes in the positions of the nuclei can be taken into account and the question of the nature of the molecular forces is no longer important. 296 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The purpose of this series is to provide a continuing critical review of the literature concerned with mechanistic aspects of inorganic and organo metallic reactions in solution, with coverage being complete in each volume. The pap…ers discussed are selected on the basis of relevance to the elucidation of reaction mechanisms and many include results of a nonkinetic nature when useful mechanistic information can be deduced. The period of literature covered by this volume is July 1982 through December 1983, and in some instances papers not available for inclusion in the previous volume are also included. Numerical results are usually reported in the units used by the original authors, except where data from different papers are com pared and conversion to common units is necessary. As in previous volumes material included covers the major areas of redox processes, reactions of the nonmetallic elements, reaction of inert and labile metal complexes and the reactions of organometallic compounds. While maintaining the space devoted to other areas, that given to the nonmetallic elements has been increased. In recognition of the increasing importance of the determination of volumes of activation in understanding the mechanisms of both inorganic and organometallic reactions a special reference section giving tabulated Ll V\* values has been included and this extensive compilation will be updated in future volumes. 540 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The Advanced Study Institute on Quantum Flavordynamics, Quantum Chromodynamics and Unified Theories was held on the campus th of the University of Colorado at Boulder from July 9 through July 27th of 1979. There has been a rapid pr…ogress in the understanding of weak, electromagnetic and strong interactions and their unification during the past few years. The purpose of the Institute was to have a group of lecturers active in these areas of research give a series of lectures on various aspects of these topics beginning at the elementary level and ending with the up-to-date developments. There were three lecturers, Professors S. Ellis, R. Field and C. H. Llewellyn Smith who covered the different but related aspects of Quantum Chromodynamics. Their lectures were well coordinated, but some overlap was inevitable. Dr. Buras gave two lectures on QCD corrections beyond the leading order. Professor D. Gross covered the nonperturbative aspects and a possible mechanism of quark confinement. At a more phenomenological level, Professor C. De Tar covered the bag models. The subject matter of electro weak interactions was covered by Professor G. Altarelli. Professor J. Wess gave six lectures on supersymmetry and supergravity. All these lectures with the exception of those of Professor D. Gross are incorporated in this volume. The contents of Professor Gross' lectures are available elsewhere and therefore only references and problems are included here. In addition to the above lectures, there were workshop-like discussion sessions. 512 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Space missions subject human beings or any other target of a spacecraft to a radiation environment of an intensity and composition not available on earth. Whereas for missions in low earth orbit (LEO), such as those using the Space… Shuttle or Space Station scenario, radiation exposure guidelines have been developed and have been adopted by spacefaring agencies, for exploratory class missions that will take the space travellers outside the protective confines of the geomagnetic field sufficient guidelines for radiation protection are still outstanding. For a piloted Mars mission, the whole concept of radiation protection needs to be reconsidered. Since there is an increasing interest of many nations and space agencies in establishing a lunar base and lor exploring Mars by manned missions, it is both, timely and important to develop appropriate risk estimates and radiation protection guidelines which will have an influence on the design and structure of space vehicles and habitation areas of the extraterrestrial settlements. This book is the result of a multidisciplinary effort to assess the state of art in our knowledge on the radiation situation during deep space missions and on the impact of this complex radiation environment on the space traveller. It comprises the lectures by the faculty members as well as short contributions by the students given at the NATO Advanced Study Institute 'Biological Effects and Physics of Solar and Galactic Cosmic Radiation' held in Armacao de Pera, Portugal, 12-23 October, 1991. 960 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -During the past decade there has been a dramatic expansion of our knowledge on phospholipases in general, and phospholipase A2 (PLA2) in particular. Progress in this field has been evident on many fronts, with novel information rap…idly accumulating in the literature regarding the chemistry and molecular biology of this enzyme and its role in many important physiological processes. These include cellular signal transduction via the G-protein cycle, and in the generation of many cellular mediators, such as the platelet activating factor (PAF) and the eicosanoids that participate in the initiation and propagation of inflammation, to mention a few. This symposium was organized to obtain an overview of current investigations on this enzyme from the standpoint of its chemistry, molecular biology and physiology. Another important focus of this symposium concerns the regulation of PLA2, including endogenous and synthetic inhibitors and activators of this enzyme. To review these important areas in PLA2 research we invited scientists who made significant contributions in this field. The papers in this volume are organized to emphasize the recent advances in several areas of investigation, including: (I) the structure and mechanism of action of PLA2, (2) mechanism of activation of PLA2, (3) molecular biology, physiology and endogenous inhibitors of this enzyme and finally, (4) clinical investigations emphasizing the pathophysiological role of this enzyme in human diseases. The first article in this volume is by Dr. 280 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Space missions subject human beings or any other target of a spacecraft to a radiation environment of an intensity and composition not available on earth. Whereas for missions in low earth orbit (LEO), such as those using the Space… Shuttle or Space Station scenario, radiation exposure guidelines have been developed and have been adopted by spacefaring agencies, for exploratory class missions that will take the space travellers outside the protective confines of the geomagnetic field sufficient guidelines for radiation protection are still outstanding. For a piloted Mars mission, the whole concept of radiation protection needs to be reconsidered. Since there is an increasing interest ci many nations and space agencies in establishing a lunar base and lor exploring Mars by manned missions, it is both, timely and important to develop appropriate risk estimates and radiation protection guidelines which will have an influence on the design and structure of space vehicles and habitation areas of the extraterrestrial settlements. This book is the result of a multidisciplinary effort to assess the state of art in our knowledge on the radiation situation during deep space missions and on the impact of this complex radiation environment on the space traveller. ]t comprises the lectures by the faculty members as well as short contributions by the students given at the NATO Advanced Study Institute 'Biological Effects and Physics of Solar and Galactic Cosmic Radiation' held in Armacao de Pera, Portugal, 12-23 October, 1991. 352 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Six years ago 'adult T cell leukemia (ATL)' was proposed as a new disease entity of T cell malignancy by K. Takatsuki's research group at the Department of Internal Medicine, Kyoto university (the 17th Annual Meeting of Japan Socie…ty of Clinical Immunology, 1976). Thereafter, increased attention has been paid to this disease in Japan because of its characteristic neoplastic cell morphology, clinical and pathologic features and the endemic distribution of patients' birthplace in southwestern Japan. At almost the same time, M. Shimoyarna and Dr. K. Minato at the National Cancer Center confirmed that a majority of T cell malignancies in adult Japanese correspond to ATL (1976). Dr. M. Sasaki at the Osaka Red Cross Hospital presented the first autopsy case of A TL at the 65th Annual Meeting of the Japanese Pathological Society (1976). Later, at the Symposium entitled 'Pathology of Non-Hodgkin Lymphoma' of the Japanese Pathological Society (1978), M. Hanaoka of the Institute for Virus Research, Kyoto University, Dr. M. Sakaki and others demonstrated that the pleomorphism of neoplastic cells characterized cytologic and histologic features of A TL based on their observation of 32 cases of ATL. Also at this symposium, histologic studies on A TL by Dr. T. Suchi of the Aichi Cancer Center and the Japanese Lymphoma Study Group resulted in a new category in the classification of non-Hodgkin lymphoma designated 'diffuse lymphoma pleomorphic type. 252 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -We are most gratified by the response to the initiation of this series of volumes presenting recent developments and new concepts in microbial ecology. Favorable reactions have been expressed in both oral and written communication,… and Ad vances in Microbial Ecology thus seems to be providing a worthwhile outlet in a rapidly growing field of microbiology and environmental sciences. The growing importance of microbial ecology is evident in many ways. Uni versity personnel are expanding their programs and increasing the number of research topics and publications. Substantial numbers of industrial scientists have likewise entered this field as they consider the microbial transformation of chemicals in waters and soils and the effects of synthetic compounds on natural microbial communities. Agricultural, medical, dental, and veterinary practitioners and scientists have also been increasing their activity in microbial ecology because of the importance of the discipline to their own professions. In addition, govern mental agencies have expanded regulatory and research activities concerned with microbial ecology owing to the importance of information and regulations fo cused on the interactions between microorganisms in nature and particular en vironmental stresses. 240 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -During the past two decades professional interest in Terminal Care has increased dramatically. It is always difficult to trace the origins of a change of emphasis in medical and nursing care but it is likely that three influences h…ave contributed to bring this about. Firstly, the rise of the modern hospice movement with its recognition that dying and mourning are normal life events and that the lay person has a role in these events no less important than the health professional; secondly, the development of sophisticated and successful techniques of palliative care and pain control; and lastly, the increasing expectations of the populace in advanced countries for a comprehensive and sensitive service for patients, family and care givers at the terminal phase of illness. It is significant that these developments in the care and management of the terminally ill are not confined either to one country or the sole prerogative of a single discipline. This is reflected in the papers collected in this volume which were originally presented at the International Conference on Multidisciplinary Aspects of Terminal Care organised by The Prince and Princess of Wales Hospice in Glasgow, Scotland, U.K. The cross-fertilisation of ideas, experiences, and assessments provided by the contributors in a multicultural and multidisciplinary context pre sented in this volume will be found stimulating and inspirational for both the professional and the lay person in the care of the dying. 232 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1 Vitamin-Responsive Inherited Metabolic Disorders.- Vitamin Deficiency: Historical Perspective.- Vitamin Responsiveness or Dependency.- Genetic Control of Vitamin Metabolism.- Biochemical Role of Vitamins.- Effect of Mutation on V…itamin Function: Theoretical Possibilities.- Defects of Vitamin Transport and Coenzyme Synthesis.- Cobalamin (Vitamin B12).- Folic Acid.- Calciferol (Vitamin D).- Defects of Coenzyme-Dependent Apoenzymes.- Pyridoxine (Vitamin B6).- Biotin.- Thiamine (Vitamin B1).- Genetic Heterogeneity.- Clinical Panorama.- Mendelian Inheritance.- Prenatal Detection and Treatment.- Problems and Perspectives.- 2 Inherited Deficiency of Hypoxanthine-Guanine Phosphoribosyltransferase in X-Linked Uric Aciduria (the Lesch-Nyhan Syndrome and Its Variants).- Clinical Presentation.- Frequency.- Complete Syndrome.- Clinical Variants of the Syndrome.- Pathology.- Biochemical Characteristics.- Primary Enzyme Defect.- Secondary Enzyme Disturbances.- Properties of the Normal Enzyme.- Properties of the Mutant Enzyme.- Mechanism of Excessive Rate of Purine Synthesis.- Mechanism of Neurological Dysfunction.- Genetic Significance.- Genetic Heterogeneity.- X-Linked Inheritance.- Chemical Selection.- Somatic Cell Genetics.- Preventive Control through Prenatal Diagnosis.- Characteristics of the Heterozygous State.- Pharmacological Consequences of HPRT Deficiency.- Diagnosis of X-Linked Uric Aciduria.- Clinical Signs.- Laboratory Tests.- Heterozygote Detection.- Treatment.- General Measures.- Medications.- 3 Hereditary Hemolytic Anemia Due to Enzyme Defects of Glycolysis.- Glucose Utilization by the Red Cell.- Overall Regulation of Glycolysis.- Mass Action Ratio.- Effect of Cell Age on Metabolism.- Molecular Genetic Mechanisms of Enzyme Deficiency.- Expression of Enzyme Defects in the Red Cell and Other Tissues.- Hexokinase Deficiency.- Clinical Spectrum.- Biochemical Considerations.- Genetic Considerations.- Glucosephosphate Isomerase Deficiency.- Clinical Spectrum.- Biochemical Considerations.- Genetic Considerations.- Phosphofructokinase Deficiency.- Clinical Spectrum.- Biochemical Considerations.- Genetic Considerations.- Phosphoglycerate Kinase Deficiency.- Clinical Spectrum.- Biochemical Considerations.- Genetic Considerations.- Pyruvate Kinase Deficiency.- Clinical Spectrum.- Biochemical Considerations.- Genetic Considerations.- Other Defects of Glycolytic Enzymes in the Red Cells.- Triosephosphate Isomerase Deficiency.- Glyceraldehyde-3-phosphate Dehydrogenase Deficiency.- 2,3-Diphosphoglycerate Mutase Deficiency.- Lactate Dehydrogenase Deficiency.- 4 Population Structure of the ¿and Islands, Finland.- ¿and.- Location and Description.- History.- Population Composition.- Migration Analyses.- Kinship and Population Structure.- The Migration Matrix Model.- Matrimonial Migration in ¿and.- Parish Endogamy.- Prediction of Kinship from Matrimonial Migration Data.- Approach to Equilibrium.- Kinship Matrices.- Geographical Factors Affecting Migration Patterns.- Isolation by Distance.- Summary.- Topology of Population Structure.- 1750¿1799.- 1800¿1849.- 1850¿1899.- 1900¿1909.- 1910¿1919.- 1920¿1929.- 1930¿1939.- 1940¿1949.- 1900¿1949.- The Inclusion of Mariehamn.- Correlation between Coordinates.- Summary of Topology.- Discussion of Migration Analyses.- Biological Studies.- Genetic Analyses.- Geography and Genetic Structure.- Comparison of Genetic and Migration Inference.- Twinning in and around ¿and.- Ophthalmological Studies.- The ¿and Bleeder Syndrome (von Willebrand-J¿rgens).- 5 Population Genetics and Health Care Delivery: The Quebec Experience.- A Short History of French Canada.- A Consanguinity Study.- Objectives.- Demographic Aspect.- Sources and Material.- Results.- Discussion: Consanguinity and the Mean Coefficient Fw.- Conclusions and Decisions.- An Isolate Study.- Objectives.- Methods.- Results.- Conclusions and Decisions.- An Inbreeding Study.- Objectives.- M.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The time seems ripe for a critical compendium of that segment of the biological universe we call viruses. Virology, as a science, having passed only recently through its descriptive phase of naming and numbering, has probably reach…ed that stage at which relatively few new-truly new-viruses will be discovered. Triggered by the intellectual probes and techniques of molecular biology, genetics, bio chemical cytology, and high resolution microscopy and spectroscopy, the field has experienced a genuine information explosion. Few serious attempts have been made to chronicle these events. This comprehensive series, which will comprise some 6000 pages in a total of 19 volumes, represents a commitment by a large group of active investigators to analyze, digest, and expostulate on the great mass of data relating to viruses, much of which is now amorphous and disjointed, and scattered throughout a wide literature. In this way, we hope to place the entire field in perspective, and to develop an invaluable reference and sourcebook for researchers and students at all levels. This series is designed as a continuum that can be entered any where, but which also provides a logical progression of developing facts and integrated concepts. 560 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume presents the proceedings of the Third International Symposium on Acoustical Holography, which was held at the Newporter Inn, Newport Beach, on 29-31 July 1970. The symposium was sponsored by the Douglas Advanced Researc…h Laboratories, McDonnell Douglas Corporation, and the Acoustical Society of America. Twenty papers were presented and these each appear as a chapter in this volume. The chapters are grouped into five sections. The sections are I Medical and Biolog ical, II Bragg Imaging, III Nondestructive Testing, IV Underwater and Long Wavelength, and V Theory and Methods. The reader is cautioned only to use the sec tional titles as a rough guide. For instance, the reader interested in new methods should not just read section V since he will find a new liquid surface relief method de scribed in chapter lOin section III. In an effort to reduce the time delay between the meeting and the publication date, the publishers have pro duced this volume using the shoot-from-manuscript method instead of the mote time consuming typesetting method that was used on the previous volumes. As a result there may be differences in notation and definitions used for one chapter to another. However this should not cause con fusion since all symbols and definitions are stated in each chapter. The editor wishes to thank the session chairmen, Dr. Vincent Salmon, Stanford Research Institute; Dr. Isadore Rudnick, University of California at Los Angeles; Dr. Lewis Larmore, McDonnell Douglas Corporation; Dr. 420 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The II. International Conference on Ion Beam Surface Layer Analysis was held on September 15-19, 1975 at the Nuclear Research Center, Karlsruhe, Germany. The date fell between two related con ferences: 'Application of Ion-Beams to…Materials' at Warwick, Eng land and 'Atomic Collisions in Solids' at Amsterdam, the Nether lands. The first conference on Ion Beam Surface Layer Analysis was held at Yorktown Heights, New York, 1973. The major topic of that and the present conference was the material analysis with ion beams including backscattering and channeling, nuclear reactions and ion induced X-rays with emphasis on technical problems and no vel applications. The increasing interest in this field was docu mented by 7 invited papers and 85 contributions which were presen ted at the meeting in Karlsruhe to about 150 participants from 21 countries. The oral presentations were followed by parallel ses sions on 'Fundamental Aspects', 'Analytical Problems' and 'Appli cations' encouraging detailed discussions on the topics of most current interest. Summaries of these sessions were presented by the discussion leaders to the whole conference. All invited and contributed papers are included in these proceedings; summaries of the discussion sessions will appear in a separate booklet and are availble from the editors. The application of ion beams to material analysis is now well established. 512 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The idea for the present volume grew from discussions that the four of us had among ourselves and with our colleagues at recent scientific meetings. All of us were impressed by the wealth of empirical data that was being generated…by investigators interested in brain damage and recovery from both behavioral and biological orientations. Nevertheless, we were concerned about the relative paucity of attempts to evaluate the data provided by new technologies in more than a narrow context or to present new theories or reexamine time-honored ideas in the light of new findings. We recognized that science is guided by new technologies, by hard data, and by theories and ideas. Yet we were forced to conclude that, although investi gators were often anxious to publicize new methods and empirical fmdings, the same could not be said about broad hypotheses, underlying concepts, or in ferences and speculations that extended beyond the empirical data. Not only were many scientists not formally discussing the broad implications of their data, but, when stimulating ideas were presented, they were more likely to be heard in the halls or over a meal than in organized sessions at scientific meetings. 392 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Instabilities associated with hot electrons in semiconductors have been investigated from the beginning of transistor physics in the 194Os. The study of NDR and impact ionization in bulk material led to devices like the Gunn diode…and the avalanche-photo-diode. In layered semiconductors domain formation in HEMTs can lead to excess gate leakage and to excess noise. The studies of hot electron transport parallel to the layers in heterostructures, single and multiple, have shown abundant evidence of electrical instability and there has been no shortage of suggestions concerning novel NDR mechanisms, such as real space transfer, scattering induced NDR, inter-sub band transfer, percolation effects etc. Real space transfer has been exploited in negative-resistance PETs (NERFETs) and in the charge-injection transistor (CHINT) and in light emitting logic devices, but far too little is known and understood about other NDR mechanisms with which quantum well material appears to be particularly well-endowed, for these to be similarly exploited. The aim of this book is therefore to collate what is known and what is not known about NDR instabilities, and to identify promising approaches and techniques which will increase our understanding of the origin of these instabilities which have been observed during the last decade of investigations into high-field longitudinal transport in layered semiconductors. The book covers the fundamental properties of hot carrier transport and the associated instabilities and light emission in 2-dimensional semiconductors dealing with both theory and experiment. 456 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -6 Ions can pass through a single membrane channel at a rate of 10 ions/second. Over the last decade the ability to measure ion flux so precisely and to document the opening and closing of individual ion channels has provided a powe…rful tool to those working on smooth muscle physiology and vascular reactivity. The use of potassium channel blockers by Tom Lloyd in the 1960s and calcium channel blockers by Ivan McMurtry in the 1970s indicated the importance of ion flux in regulating pulmonary vascular tone. Recent advances in technology. principally the patch-clamp technique and fluorescent ion-sensitive dyes. now permit a more detailed description of physiologic mechanisms. This volume arises from the Sixth Grover Conference on the Pulmonary Circulation. a NATO Advanced Research Workshop. held in Colorado in October 1992. A group of international sCientists who are leaders in the field of ion flux focused their attention on the problems of the pulmonary vasculature. The chapters in this book describe the present state of knowledge of the movement and storage of ions in vascular endothelial and smooth muscle cells. Those who are not familiar with the techniques of patch clamping and calcium imaging will find an introduction to these methods in the chapters by Leblanc and Wan and Archer et al. The role of potassium channels in oxygen sensing illustrates the rapid progress which the study of ion currents has made possible. 360 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Alcohol abuse is this culture's most important drug problem. Statistics indicate that it is exacting a great and relentlessly increasing toll of human suffering. It is clear that the problem is not being dealt with in any effective… manner. At the invitation of the. Canadian Hepatic Foundation, many of the world's experts gathered in Toronto, May 14-15 1976, to focus attention on one of the most important aspects of the alcohol problem -alcohol induced liver damage. The epidemiology of alcohol induced liver disease was discussed and current views on the pathogenesis of the problem were reviewed. New insight into the pathological alterations of the liver was presented and some of our current therapeutic capabilities were discussed. Dr. Hans Popper summarized the Symposium and presented some of his views on those aspects of the problem which will require early attention by the research community. The Symposium achieved its immediate objective -that of bringing together the committed experts of various disciplines for an updating of our understanding of alcohol and the liver and for a discussion of new approaches to the problem. As a backdrop to the Symposium, however, was large writing on the wall to the effect that we are expending our research talents and efforts on a totally unnecessary problem. Right now we probably know enough and have sufficient resources at our disposal to solve the problem. 420 pp. Englisch.
