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Taschenbuch. Condizione: Neu. Neuware -wcrd than surface because-unless the sclid is suspended in a vacuum-it is in ccntact with a gas, a liquid, cr ancther sclid, and it is the interface between the sclid and the cther body which is the fccus cf interest in surface phencmena). The literature dces nct ccntain any useful definiti…cn cf this term. The term surface cr interface can be defined cnly if cne ccnsiders the characteristics cf the bulk material, the ccnditicn cf the surface under discussicn, the envircnment, and its reacticn with the surface. The emphasis, hcwever, shculd be given to' the problem under which the surface is discussed. In this way, the basic questicn can be answered as to' whethe. r a surface is twc-dimensicnal cr whether it has depth and is, therefcre, three -dimensicnal. This vclume ccnsists cf a ccmpilaticn cf ten papers, tcgether with discussicns, presented at the 1964 Sympcsium. In the first chapter, H. C. Gatcs (Massachusetts Institute cf Technclcgy) dis cusses the structure and electrcnic ccnfiguraticn cf crystalline surfaces. He ccvers three different aspects cf surfaces-their chemical behavicr, their structural prQperties, and their electrQnic prQperties. With respect to' chemical behaviQr, the interrelatiQn ship between unsaturated bonds and lattice ccnfiguratiQn is Qf prime impQrtance. In a diamQnd cubic cQnfiguratiQn, as was shQwn in a mQdel, the degree Qf unsaturatiQn cr, in Qther wQrds, the density cf free bonds varies with the respective crystalline surface.
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Taschenbuch. Condizione: Neu. Neuware - wcrd than surface because-unless the sclid is suspended in a vacuum-it is in ccntact with a gas, a liquid, cr ancther sclid, and it is the interface between the sclid and the cther body which is the fccus cf interest in surface phencmena). The literature dces nct ccntain any useful definit…icn cf this term. The term surface cr interface can be defined cnly if cne ccnsiders the characteristics cf the bulk material, the ccnditicn cf the surface under discussicn, the envircnment, and its reacticn with the surface. The emphasis, hcwever, shculd be given to' the problem under which the surface is discussed. In this way, the basic questicn can be answered as to' whethe. r a surface is twc-dimensicnal cr whether it has depth and is, therefcre, three -dimensicnal. This vclume ccnsists cf a ccmpilaticn cf ten papers, tcgether with discussicns, presented at the 1964 Sympcsium. In the first chapter, H. C. Gatcs (Massachusetts Institute cf Technclcgy) dis cusses the structure and electrcnic ccnfiguraticn cf crystalline surfaces. He ccvers three different aspects cf surfaces-their chemical behavicr, their structural prQperties, and their electrQnic prQperties. With respect to' chemical behaviQr, the interrelatiQn ship between unsaturated bonds and lattice ccnfiguratiQn is Qf prime impQrtance. In a diamQnd cubic cQnfiguratiQn, as was shQwn in a mQdel, the degree Qf unsaturatiQn cr, in Qther wQrds, the density cf free bonds varies with the respective crystalline surface.
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Taschenbuch. Condizione: Neu. Neuware - Volume 3 continues the approach carried out in the first two volumes of this se ries of publishing articles on membrane methodology which include, in addition to procedural details, incisive discussions of the ap plications of the methods and of their limitations. Wh at is the theoretical…basis of the method, how and to what problems can it be applied, how does one interpret the results, what has thus far been achieved by the method, what lies in the future-these are the questions the authors have tried to answer. No area of membrane biology engages the interest of more investigators than studies of the plasma membrane. Four chapters in this volume are concerned with one or more aspects of the cell surface. Fundamental to all studies of the cell surface are the isolation and characterization of pure plasma membranes. Many preparations described in the literature are inadequate or are inadequately characterized. In the first chapter, Neville discusses the theoretical and practical bases of tissue fractionation, empha sizes the variations in enzyme content among plasma membranes from different sources, offers guidance in the choice of the proper criteria for assessing membrane purity, and suggests the best markers for detecting the possible presence of contaminating organelles. To review in detail each of the many preparations of plasma membranes that have been published is impossible.
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Taschenbuch. Condizione: Neu. Neuware - The first volume of Evolutionary Biology was published thirteen years ago. Since that time thirteen volumes and one supplement have appeared. As stated in earlier prefaces, we are continuing the focus of this series on critical reviews, commentaries, original papers, and controversies in e…volu tionary biology. It is our aim to publish papers primarily of greater length than normally published by society journals and quarterlies. We therefore invite colleagues to submit chapters that fall within the focus and standards of Evolutionary Biology. The editors regretfully announce that Dr. William C. Steere has decided to withdraw from the editorial board of Evolutionary Biology. Dr. Ghillean T. Prance will replace Dr. Steere for forthcoming volumes. Manuscripts should be sent to anyone of the following: Max K. Hecht, Department of Biology, Queens College of the City University of New York, Flushing, New York 11367; Bruce Wallace, Department of Genetics, Cornell University, Ithaca, New York 14850; Ghillean T. Prance, New York Botanical Garden, Bronx, New York 10458. The Editors vii Contents 1. Some Relationships between Density-Independent Selection and Density-Dependent Population Growth Timothy Prout Introduction . . Part I. The Basic Model: Definitions, Assumptions, and Relationships . 3 Part II. Biological Aspects. . . . . . . . . . . . . . . . . . . . . . . . 10 . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 . . . . . . . . . . . The Biological Interpretation of the Model. . . . . . . . . . . . . . 10 . . . . Experimental and Observational Aspects. . . . . . . . . . . . . . . 13 . . . . Part III. Census-Stage Theory. . . . . . . . . . . . . . . . . . . . . 22 . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 . . . . . . . . . . . Two-Point Census . 23 Three-Point Census: Classical Selection . . . . . . . . . . . . . . . . 42 . . . Summary of Two-and Three-Point Censuses. . . . . . . . . . . . . 50 . . . Part IV. Summary and Some Implications. . . . . . . . . . . . . . . . 52 . . . . Summary. 52 Some Implications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 . . . . . . . . . . Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 . . . . . . . . . . . . . . References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 . . . . . . . . . . . . . .
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Taschenbuch. Condizione: Neu. Neuware - Evolutionary Biology, of which this is the twenty-first volume, continues to offer its readers a wide range of original articles, reviews, and com mentaries on evolution, in the broadest sense of that term. The topics of the reviews range from anthropology and behavior to molecular biology… and systematics. In recent volumes, a broad spectrum of articles have appeared on such subjects as evolution of the bacterial genome, biochemical system atics in plants, a discussion of species selection, and development and evolution of the vertebrate limb. Articles such as these, often too long for standard journals, are the material for Evolutionary Biology. The editors continue to solicit manuscripts on an international scale in an effort to see that everyone ofthe many facets of biological evolution is covered. Manuscripts should be sent to anyone of the following: Max K. Hecht, Department of Biology, Queens College of the City University of New York, Flushing, New York 11367; Bruce Wallace, Department of Biology, Virginia Polytechnic Institute and State University, Blacks burg, Virginia 24061; or Ghillian T. Prance, New York Botanical Garden, Bronx, New York 10458.
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Taschenbuch. Condizione: Neu. Neuware - Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) \* at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Vo…lume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
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Taschenbuch. Condizione: Neu. Neuware - This volume continues the tradition of SUBCELLULAR BIOCHEMISTRY of trying to break down interdisciplinary barriers in the study of cell function and of bringing the reader's attention to less well studied, but nevertheless useful, biological systems. We start with an extensive article by T…. P. Karpetsky, M. S. Boguski and C. C. Levy on the structure, properties and possible functions of polyadenylic acid. Apart from revealing a general lack of appreciation of many important aspects of the chemical properties of poly adenylic acid, the literature also shows that there is a great gulf between those who study the biological role of polyadenylic acid. and those who study its physicochemi cal properties. The article by Karpetsky and his colleagues is an attempt to overcome this lack of communication and to present an integrated view of the subject. The authors go into the subject in full detail and the more biologically inclined reader may on occasion have to reread his nucleic acid physical chemistry notes! However, the effort is worthwhile and the article is a timely reminder that we cannot treat nucleic acids as mere abstractions, but that they are complex organic macromolecules capable of equally complex, but nevertheless important, interactions. The next article is by J. Steensgaard and N. P. Hundahl M0ller and deals with computer simulation of density gradient centrifugation systems.
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Taschenbuch. Condizione: Neu. Neuware - This is the third volume of the comprehensive series on Struc ture and Function of the Circulation, edited by Dr. Colin J. Schwartz with the collaboration of Nicholas T. Werthessen and Stewart Wolf. Dr. Schwartz, an authority on vascular structure and function and a respected investigator…in this field for many years, selected as authors for the chapters an outstanding group of scientists from various parts of the world. As indicated in the Preface, the impetus for this broad treat ise evolved from the scientific sessions of three interdisciplinary international conferences held in Lindau in 1970, in Heidelberg in 1973, and Totts Gap, Pennsylvania, in 1976 as well as from numerous informal discussions. The subjects dealt with in these three volumes range from the roots of our knowledge in ancient history to the most recent inform ation on contractile proteins of smooth muscle cells. The structure, distribution, and dynamics of arteries, veins, and lymphatics are described in chapters on the systemic circulation as well as that of the heart, the vessels themselves, the brain, nerves, and viscera. Descriptions of ultrastructure, histochemistry, metabolism, and func tion of endothelium and of vascular smooth muscle and of vascular changes in aging are all included in the vast scope of this under taking.
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Taschenbuch. Condizione: Neu. Neuware - Prior and subsequentto the publication of the third edition of the Diagnos tic and Statistical Manual of Mental Disorders (DSM-III), we have witnessed a considerable upsurge in the quantity and quality of research concerned with the psychiatric diagnostic process. There are several factors… that have contributed to this empirical influx, including improved diagnostic cri teria for many psychiatric disorders, increased nosological attention to childhood psychopathology, and development and standardization of several structured diagnostic interview schedules for both adult and child populations. With the advent of DSM-III-R, and in anticipation of DSM-IV, diagnostic labels and their definitions have been in a state of change, as evinced by the many refinements and modifications currently taking place. However, the basic purpose or raison d'etre of the nosological scheme has not been altered. Psychiatric diagnosis is the means by which we classify or categorize human psychopathology. And, as is the case in the medical arena, psychiatric diagnosis serves three central functions: classification. communication. and prediction. As research accumulates, our understanding of psychiatric disorders increases, and we are in a much better position to classify reliably and with validity, as well as to com municate and predict Despite periodic changes in the diagnostic system, the basic strategies for conducting diagnostic research (e. g. , genetic-family studies, biological markers, follow-up studies, etc. ) do not vary appreciably over time. But in over one decade no scholarly book has appeared that tackles the essential research issues involved in upgrading the diagnostic endeavor.
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Taschenbuch. Condizione: Neu. Neuware - 1 On Some Fundamental Concepts of Darwinian Biology.- Vitalism, Mechanism, and Compositionism.- Adaptedness and Adaptation.- Adaptedness to Survive and to Reproduce.- Adaptability.- Evolutionary Plasticity.- The Problem of Quantification of Adaptedness.- Darwinian Fitness.- Varieties of Na…tural Selection.- Darwinian Fitness and Adaptedness.- Evolutionary Opportunism and Adaptive Radiation.- Progressive Evolution.- References.- 2 Cave Ecology and the Evolution of Troglobites.- Animal Life in Caves.- The Cave Ecosystem.- Regressive Evolution in Cave Animals.- Speciation and Adaptation in Troglobites.- References.- 3 Molecular Biology and Bacterial Phylogeny.- The Evolution of Microorganisms in the Precambrian.- Microbial Fossils.- Bacteria as 'Living Fossils'.- The Relationship Between Bacteria and Bluegreen Algae.- DNA Nucleotide Composition of Microorganisms.- Evolutionary Changes in Bacterial DNA.- DNA Homology.- Phenotypic Aspects of Bacterial Evolution.- Summary.- References.- 4 Evolutionary Implications of Sexual Behavior in Drosophila.- Types of Behavior.- Drosophila Preview.- Ontogeny of Mating Behavior.- Basic Courtship Patterns.- Adaptive Nature of Mating Behavior.- Specialized Mating Behavior of Hawaiian Species.- Summary of Mating Behavior.- Nature and Function of the Stimuli.- Mating Behavior of Other Diptera.- Significance of Drosophilid Mating Behavior.- Lek Behavior.- Sexual Isolation.- Intraspecific Variations.- Interspecific Behavior.- Origin of Sexual Isolation.- Conclusion.- References.- 5 Evolution of Photoreceptors.- Ciliary Photoreceptors.- Rhabdomeric Photoreceptors.- Ciliary Line of Evolution.- Rhabdomeric Line of Evolution.- Other Taxa.- Protostomes Versus Deuterostomes.- References.- 6 Evolution and Domestication of the Dog.- Taxonomy andDistribution of the Genus Canis.- Origin of the Dog.- Further Evidence for the Wolf as Ancestor to the Dog.- Time of Domestication.- The Place of Domestication.- The Process of Domestication.- Evolution of the Wolf.- Evolution of the Dog.- Evolution of Behavior in Dogs and Wolves.- Theoretical Considerations.- References.- 7 A Sampler of Human Behavioral Genetics.- The Nature of Psychological Traits.- The Twin Method.- Intellectual Abilities.- Schizophrenia.- Summary.- References.- 8 Suture-Zones of Hybrid Interaction Between Recently Joined Biotas.- Tabulation of Suture-Zone Examples.- The Individual Nearctic Zones.- Suture-Zones Outside North America.- Stabilization After Early Suturing.- Hybridization Outside Suture-Zones.- Discussion.- Acknowledgments.- Tables.- References.- Author Index.
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Taschenbuch. Condizione: Neu. Neuware - The original aim of this book was to cover different aspects of the tradi tionally 'filamentous' potex-, carla-, poty-, clostero-, and capilloviruses. The title The Filamentous Plant Viruses seemed the only suitable one, but it has led us to discuss also the quite different filamentous vir…uses of the rice stripe group-recently officially named the tenuivirus group which otherwise, indeed, might not have been conveniently covered in any volume of this series. The question must be asked: What is there new that justifies the presentation of a book of this kind An outline of the answer may be Among the traditional filamentous viruses, much pro given as follows. gress has been made in elucidating the physical structure of potexvirus particles, and this work serves as an excellent model for discussion of and future experiments on the poty-, carla-, clostero-, and capilloviruses, which have comparable structures, although they are more difficult to manipulate. Work on the structure and strategy of the genomes of poty viruses is, however, relatively advanced and at a very interesting stage. The helper component that assists the aphid transmission of potyviruses has also recently received considerable attention, although the more we know about that, the less seems clear about the aphid transmission of the carlaviruses and closteroviruses, which apparently neither possess nor require a helper component.
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Taschenbuch. Condizione: Neu. Neuware - A number of significant changes have occurred in Advances in Solar Energy since Volume 1 appeared in 1982. The delays in publication of the second volume are the result of reorganization of the American Solar Energy Society, and the negotiation of a new publishing arrangement. Beginning wi…th this volume, Advances is now published jointly by the Society and Plenum Press. The Editorial Board has been enlarged to be more representative of the different fields of solar energy conversion. Production of Advances is being expedited through the use of modern word processing equipment and the 'lEX typesetting-editing program. We have gone to a single-column format to ease the problems of presenting long equations, and we expect that the user of the volume will find it easy to read. The use of 'lEX will make last minute updates possible. The external appearance of the volume matches that of Volume 1. We expect that future volumes of this annual will be proceeding on schedule. We invite comments from users and correspondence from prospective authors of critical reviews. Karl W. Boer John A. Duffie CONTENTS CHAPTER 1 The Measurement of Solar Radiation Ronald Stewart, Daniel W. Spencer and Richard Perez 1.1 Abstract 1 1.2 Characteristics of Pyranometers . . 2 1.3 General Features of a Pyranometer . . 3 1.3.1 Instrument Sensitivity 4 1.3.2 Response with Time 4 1.3.3 Sensitivity 4 1.3.4 Responsivity . .
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Taschenbuch. Condizione: Neu. Neuware - This volume contains summaries of most of the invited presentations given by lecturers and participants at the NATO Advanced Study Institute, 'Develop mental Neurobiology of Vision,' held in Rethymnon, Crete, Greece 18-27 Sep tember 1978. The purpose of this meeting was to enable a relativ…ely small international group of scientists and students to hold discussions and to present their views on current problems in the field. It was intended that the results of the exchanges would be conveyed to others in the native countries of the parti cipants. An attempt was made to obtain broad representation of disciplines within the area of the Institute and this is reflected in the diversity of the chapters in this book. Considerable interest has been generated in recent years concerning the development and plasticity of vision. Perhaps not unexpectedly, along with the high level of activity in this field, there have been so me controversial findings.
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Taschenbuch. Condizione: Neu. Neuware - The dynamic state of developments within the field of the vasoactive polypeptides is reflected in the continuous series of publications appearing on this topic Thus, the proposal to con o vene another symposium only two years after the 1969 Fiesole Symposium (Plenum Press, 1970) was receiv…ed enthusiastically and with high expectation. Enthusiasm was based, undoubtedly, in part on meeting together once again in the very pleasant surroundings of Florence with most gracious and enchanting hosts. The 25th International Congress on Physiological Sciences held in Munich the following week also provided the impetus for the organization of this satellite symposium on vasopeptides. However, the accelerated pace of research in the 'kinin' field was the major motivating force for the symposium. It was felt necessary to inform each other of the many advances that were taking place in the varied aspects of this specialized but impor tant field o The role of kinins in both physicologic and pathologic processes still remains to be elucidated definitively. Thus, these proceedings contain new and unpublished informa tion on the chemistry, biochemistry, physicology, pharmacology, as well as pathophysiology of vasopeptides. Recent data on &tructure activity relationships of kinin analogues are complemented by a description of radioimmunoassay techniques for kinins, and studies on the site of synthesis of substrates for kinin-forming enzymes.
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Taschenbuch. Condizione: Neu. Neuware - This book is formulated from the papers presented at the International Symposium on 'Membrane Biochemistry and Bioenergetics,' held at the Rensselaerville Institute, Rensselaerville, New York, August 1986, in honor of Tsoo E. King on the occasion of the 30th anniversary of reconstitution o…f arespiratory chain system by Professor David Keilin and Tsoo E. King. Professor Tsoo E. King, to whom this volume is dedicated, has made enormous contributions to the field of isolation and reconstitution of membrane proteins and has continued to explore the frontiers of bioener getics. In particular, his persistent proposals on the existence of ubiquinone binding proteins from conceptualization to experimentation eventually convinced many scientists to study these proteins further . Professor King's preparation of reconstitutively active succinate dehydrogenase opened a new avenue in the fie1d of membrane bioenergetics, and his work has been greatly appreciated. The purpose of the symposium was to bring together scientists from diverse disciplines related to membrane bioenergetics to discuss the recent developments in the field. This symposium, initiated by the Capital District Bioenergetics Group, was attended by 100 scientists, 80 of whom presented their recent discoveries. The symposium was arranged in a sequence of platform lectures, poster presentations and discussion sessions so that all the participants had opportunities to discuss the subjects presented. Most of the participants contributed a chapter to this volume. We would like to express our regret to many other scientists including Professor King's friends, colleagues and students who could not attend due to various reasons.
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Taschenbuch. Condizione: Neu. Neuware - This volume constitutes the Proceedings of the November 8-10, 1982 Conference on EMERGENT PROCESS METHODS FOR HIGH TECHNOLOGY CERAMICS, held at North Carolina State University in Raleigh. It was the nineteenth in a series of 'University Conferences on Ceramic Sci ence' initiated in 1964 by… four institutions of which North Carolina State University is a charter member, along with the University of California at Berkeley, Notre Dame University, and the New York State College of Ceramics at Alfred University. More recently, ceramic oriented faculty in departments at the Pennsylvania State University and Case-Western Reserve University have joined the four initial institutions as permanent members of the consortium. These research oriented conferences, each uniquely concerned with a timely ceramic theme, have been well attended by audiences which typically were both international and interdisciplinary in character; their published Proceedings have been well received and are frequently cited. This three day conference addressed the fundamental scientific background as well as the technological state-of-the-art of several novel methods which are beginning to influence present and future directions for non-traditional ceramic processing, thus affecting many of the advanced ceramic materials needed for a wide variety of research and industrial applications. The number, the importance and the application of new ceramic processing techniques have expanded considerably during the last ten years.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The decade of the 1990s offers a chance to build a new and better international order. What policy choices will this decade pose for the United States This wide-ranging volume of essays imaginatively addresses these crucial issues.… The peaceful revolutions of 1989-1990 in the Soviet Union and Eastern Europe have swept away the foundations of the Cold War. The Eastern European nations are free; Europe is no longer divided; Germany is united. The Soviet threat to Western Europe is ending with the collapse of the Warsaw Pact and the withdrawals and asymmetrical cuts of Soviet forces. And U.S.-Soviet rivalry in the Third World is giving way to cooperation in handling conflicts, as in Iraq and elsewhere. Much, of course, remains uncertain and unsettled. What sort of Soviet Union will emerge from the ongoing turmoil, with what political and economic system and what state structure How far and how soon will the Eastern Euro pean states succeed in developing pluralist democracies and market economies Are the changes irreversible Certainly there will be turmoil, backsliding, and failures, but a return to the Cold War hardly seems likely. 288 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Radioactive tracers have had a profound impact on scientific research during the past twenty years, particularly in bio chemistry and allied fields. The rapid evolution of sophisticated instrumentation and labeling techniques durin…g the past ten years has made possible on a routine basis exquisitly sensitive experiments which with other techniques would require her culean efforts on the part of the investigator. The Symposia on Advances in Tracer Methodology, which have been held regularly since 1957, provide for research workers in biochemistry, pharmacology, endocrinology, and medicine a focus on the numerous developments in the tracer field that are usually scattered throughout the scientific literature. Volume 3 is arecord of the proceedings of the Ninth and Tenth Symposia, which were sponsored by the New England Nuclear Corporation and the Packard Instrument Company, Inc. Recent advances in tracer methodology, as reflected by the papers in this volume, have been mainly concerned with im proved analytical techniques, such as liquid scintillation count ing, autoradiography, and chromatography, and with novel ap plications of labeled compounds in biochemical and clinical problems. 348 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The book we are presenting to American and other English speaking readers is a review of the work on the electron struc ture of elements, alloys, and compounds, which was started back in the fifties. This work gradually grew into a… system of ideas on the electron structure of condensed matter which is now known as the configurational model. This model is based on the assumption of the preferential formation of the most stable configurations of the localized va lence electrons in condensed matter. The existence of these stable configurations and the exchange of electrons with the de localized (collective-state) subsystem determines those prop erties which are related to the electron structure. The conclu sions which can be drawn from the applications of the configura tional model are only qualitative but they explain quite clearly the nature of various properties of condensed matter, and they are helpful in the search for materials with specified properties. The American edition has been corrected and supplemented in many minor respects. Moreover, the opportunity was taken to revise thoroughly the section on the fundamentals of the configura tional model in the light of the latest theoretical developments. other parts of the book have been shortened to eliminate material which is not of fundamental significance or has not yet been de veloped sufficiently fully. 304 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -After the IUTAM Symposium on Optimization in Structural Design held in Warsaw in 1973, it was clear to me that the time had come for organizing into a consistent body of thought the enormous quantity of results obtained in this dom…ain, studied from so many different points of view, with so many different methods, and at so many levels of practical applicability. My colleague and friend Gianantonnio Sacchi from Milan and I met with Professor Prager in Savognin in July 1974, where I submitted to them my first ideas for a treatise on structural optimization: It should cover the whole domain from basic theory to practical applications, and deal with various materials, various types of structures, various functions required of the structures, and various types of cost . . Obviously, this was to be a team effort, to total three or four volumes, to be written in a balanced manner as textbooks and handbooks. Nothing similar existed at that time, and, indeed, nothing has been published to date. Professor Prager was immedi ately in favor of such a project. He agreed to write a first part on optimality criteria with me and to help me in the general organization of the series. Since Professor Sacchi was willing to write the text on variational methods, it remained to find authors for parts on the mathematical programming approach to structural optimization (and, more generally, on numerical methods) and on practical optimal design procedures in metal and concrete. 348 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Behavioral toxicology is a young discipline in the United States; so young, in fact, that this is one of its first books. Behavioral questions are bound to play a major role in future scientific work and governmental decisions invo…lving the health effects of environmental contaminants and other chemicals. This role springs from two key problems that face scientists and public agencies required to set acceptable exposure standards or to determine criteria for the toxicity of therapeutic chemicals: How do you evaluate effects that may show up only as subtle functional disturbances And how do you de tect toxic effects early enough so that they may still be reversible, before they produce major damage The contributions in this book come from a collection of scientists whose interests span a wide variety of problem areas. The focus is largely on me thodological issues because they represent the most immediate concern of the discipline. We expect that this collection of papers will represent a useful source book for behavioral toxicology for some time. For the past few years, the University of Rochester's Department of Radiation Biology and Biophysics has sponsored a series of international conferences on chemical toxicity, partly as a response to concern over the con sequences to health of the rich chemical soup in which we live. This book is based upon presentations made to the fifth of the series. Held in June, 1972, it was the first formal meeting devoted to behavioral toxicology in this country. 492 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Structure analysis is based on the phenomena of the diffraction of radia tion by materials. In the first ten to twenty years after Laue's discovery, a very complete theory was developed for the diffraction of x-rays and, later, of…electrons. This theory led to equations by means of which it was possible to compute the intensity pattern for a given structure. The theory of structure analysis came to mean that of the diffraction of radiation. In 1935, Patterson pointed out a way leading to the solution of the inverse problem: the finding of the structure from a given intensity distribution pattern. At first the conservatism of researchers, and then the war, hampered the de velopment and broad application of the ideas set forth in this work. It was only during the last ten years that all the rich possibilities of the Patterson method - the method of the analysis of the convolution of the electron density - were brought to light and applied in practice. 288 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -As was the case in the two preceding workshops of 1969 and 1971, the Third Workshop on 'Laser Interaction and Related Plasma Phenomena' held in 1973 was of international character. The main purpose was to review the advanced status… of this particular and turbulent field of physics as it had developed vigorously in all major laboratories of the world since 1971. Due to recently accelerated advancements, it was hardly possible to present a com plete tutorial review; the subject is still in its premature stages and changing rapidly. A topical conference would have been too specific for a group of physicists with broad backgrounds working in the field or for those just about to enter it. It was the aim of the workshop and it is the aim of these proceedings to help this large group of scientists find their way within the highly complex and sometimes confusing results of a new field. We optimized the task of the workshop with extensive reviews on several topics and at the same time included more detailed infor mation for specialists. The differences in their conclusions were not a matter of contention but rather served to complement the advanced results. As in the preceding workshops, we directed our attention toward critical realism in respect to the complexity of the field. What is meant here is exemplified in the contribution by R. Sigel ~.667). 568 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The last decade has been marked by a rapid growth in statistical mechanics, especially in connection with the physics and chemistry of the fluid state. Our understanding in these areas has been considerably advanced and enriched by… the discovery of new techniques and the sharpening of old techniques, ranging all the way from computer simulation to mode-mode coupling theories. Statistical mechanics brings together under one roof a broad spectrum of mathematical techniques. The aim of these volumes is to provide a didactic treatment of those techniques that are most useful for the study of problems of current interest to theoretical chemists. The emphasis throughout is on the techniques themselves and not on reviewing the enormous literature in statistical mechanics. Each author was charged with the following task. Given N pages, (a) pose the problem, (b) present those aspects of the particular technique that clearly illustrate its internal workings, (c) apply the technique to the solution of several illustrative examples, and (d) write the chapter so that it will enable the reader to approach key citations to the literature intelligently. These volumes are designed for graduate students and research workers in statistical mechanics. Nevertheless, because of the range of techniques and their general utility, they should be useful in other areas as well. 264 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A real need exists for ways to bridge the gap between basic research and prac tical application, for faster utilization of new discoveries and new developments in the world of technology, and for technical transfer of defense and s…pace accomplish ments to the civilian economy. The problem is compounded by the torrential flow of technical information. Thirty million books are available on technical subjects, the total increasing at the rate of six hundred every day. There are one hundred thousand technical journals. More scientific work has been published in the past ten years than in all preceding recorded history. Scientists and engineers only a few years beyond academic pursuits are already encountering a continuing need for retraining and expansion of their own knowledge. At the same time, the re searchers - scientists, engineers, students - must exhibit bold creative thinking to evolve new technology, to better understand nature's secrets, to conceive new theories, and to reduce old theories to practical utilization. Research in the physical sciences and the engineering sciences provides the ever-flowing spring of knowledge for the investigation of new ideas. Such research is sometimes hindered by classification as 'basic' or 'applied. ' There are many times when a research program has no immediate or ultimate objective and is truly contributing to our reservoir of knowledge - a reservoir which will certainly be tapped in the future. 492 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book deals with the physico-chemical principles underlying ion exchange sorption and chromatog~aphy. It does not cover in any detail the experimental and instrumental aspects of practical separations. The author has developed…the subject starting from the synthesis and structure of the ion exchangers employed, through the thermodynamics of sorption selectivity and the equilibrium dynamics of ion sorption, to the kinetics and dynamics of non-equilibrium ion-exchange systems. Throughout this treatment the additional factors arising from the exchange of complex organic ions, as opposed to simple mineral ones, have been interwoven. The author has stressed the application in the separation of organic ions with biological activity, many of which are synthesized in biotechnological processes, and in view of this he uses the expression 'physico-chemical biotechnology.' In practice, however, his in-depth treatment is applicable to any charged organic species with multifunction ality and/or high molecular weight, and is therefore by no means restricted to biologically active materials, and certainly not to those molecules from a biotechnological source. Bearing this in mind, the text has a much wider value than the title may convey. 180 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Ten years after the publication of the first edition of Flllldmntntais of Food Process Engineering, there have been significant changes in both food science education and the food industry itself. Students now in the food science c…urric ulum are generally better prepared mathematically than their counterparts two decades ago. The food science curriculum in most schools in the United States has split into science and business options, with students in the science option following the Institute of Food Technologists' minimum requirements. The minimum requirements include the food engineering course, thus students en rolled in food engineering are generally better than average, and can be chal lenged with more rigor in the course material. The food industry itself has changed. Traditionally, the food industry has been primarily involved in the canning and freezing of agriCUltural commodi ties, and a company's operations generally remain within a single commodity. Now, the industry is becoming more diversified, with many companies involved in operations involving more than one type of commodity. A number of for mulated food products are now made where the commodity connection becomes obscure. The ability to solve problems is a valued asset in a technologist, and often, solving problems involves nothing more than applying principles learned in other areas to the problem at hand. A principle that may have been commonly used with one commodity may also be applied to another commodity to produce unique products. 624 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In the seven-year plan for development of the national economy of the USSR, bridge construction and the build ing of hydrotechnical structures occupy a prominent place. One of the most importa. nt operations in such construc tion i…s the laying of pile foundations. In recent years deep pile foundations have been developed, with heavy loads on the piling. This technique is necessary when penetrating dense sand-clay soils or when sinking the piles to hard rock. The operations are very laborious, requiring a. great expenditure of time and effort, and this Significantly low ers the time of productive work (actual driving of piles) and reduces the quality of the work. To improve the efficiency of pile driving under such conditions, it is desirable to use electroosmosis. By elec troosmosis we refer to the movement of pore water through the ground, directed from anode to cathode under the in fluence of direct current. This current, in passing through clayey sOils, causes drying of the soil at the anode and moistening of the soil at the cathode. Therefore, if a pile that is to be driven is connected to the negative terminal of a. direct-current generator, electroosmosis will cause a film of moisture from the soil to settle on the surface of the pile, and a zone of electroosmotically water-saturated soil will form about the pile. This situation permits a temporary diminution of the resistance of the ground to the sinking of the pile. 68 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The third volume of the series entitled 'Symposia on Theoretical Physics' comprises the lectures delivered at the First Matscience Summer School on Theoretical Physics held in Bangalore for three weeks from August 24 to September 1…3, 1964. The academic program of the summer school consisted mainly of several invited lectures by both foreign and Indian scientists. Among the participants were the following: Professor R. Oehme, University of Chicago (United States); Professor K. Symanzik, New York Uni versity (United States); Professor E. R. Caianiello, Director, Institute for Theoretical Physics, Naples (Italy); Professor W. Brenig, Max Planck Institute (West Germany); Professor F. Calogero, University of Rome (Italy); Dr. A. Fujii, School of Science and Technology, Sophia University (Japan); Dr. J. Lukierski, University of Wroclaw (Poland). All were visiting scientists at Matscience. It was a very fortunate circumstance that this summer school was held immediately after the International Conference on High-Energy Physics at Dubna, U .S.S.R. Among the various topics discussed at the Dubna Conference, of particular interest is the reported violation of CP invariance and, hence, the violation also of time reversal ( T) invariance in some weak interactions as well as successful demonstra tion of SU 3 symmetry of elementary particle interactions. These were summarized by Professor Ramakrishnan who had attended the Dubna Conference. 200 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The Advanced Research Workshop on QeD Hard Hadronic Processes was held on 8-13 October 1987 at Hotel on the Cay, St. Croix, U. S. Virgin Islands. The underlying theme of the workshop, the first in a series, was an examination, both… theoretical and experimental, of the state of understanding of Quantum Chromodynamics. Because of the pervasiveness of the strong interactions in all aspects of high energy physics, QCD is central to many problems in elementary particle physics. Therefore, this workshop was organized to provide a forum in which the theory Quantum Chromodynamics cou 1 d be confronted with experi ment. The workshop was organ i zed in four sessions, each of which concentrated on a major experimental arena in which a hard QCD process can be measured experimentally. A fifth session was rlevoted to global issues which effect all QCD processes. Each session began with a survey of the theoretical developments in the particular area and concluded with a round table which discussed the various information presented in the course of the discussions. A session of the workshop was devoted to the direct production of high transverse momentum photons in hadronic interactions. Data from several experiments, either completed or in progress at CERN (NA3, NA24, WA70, UA6, CCOR, R806, AFS, RllO, UA1 and UA2), were di scussed and the prospects for two new upcomi ng experi ments from Fermil ab (E-705, E-706) were presented. 568 pp. Englisch.
