Springer springer jun 1991 (249 risultati)
Lingua: Inglese
Editore: Springer Nature B.V. Jun 1991, 1991
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Taschenbuch. Condizione: Neu. Neuware - The author attempts to dispel what he believes to be the myth of modern Japan, and finds that it is not the extraordinary success it is frequently claimed to be.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Jun 1991, 1991
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Taschenbuch. Condizione: Neu. Neuware - Europe faces a challenge: how to apply information and communication technologies to health care. One problem is the widening gap between the expectations of citizens and the limited resources available to provide health services. It is here that advanced technology can serve as an importa…nt tool to find innovative and more efficient ways of delivering health services. This book reports the summary of a study performed under contract by a team of consultants for Directorate-General XIII of the Commission of the European Communities. It analyses the key factors governing the evolution of advanced information systems for health care and medicine in Europe and provides guidelines for placing current and future work within the framework of the Community research and development programmes.
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Buch. Condizione: Neu. Neuware - 1 Why use histochemistry for a better understanding of pharmacology and toxicology .- 2 Whole-body autoradiography of pharmaceuticals and chemicals.- 3 Image analysis, fluorescence and laser microscopy.- 4 The measurement of free calcium to assess cellular function and injury using digital imagin…g fluorescence microscopy.- 5 Flow cytometry to characterize normal and abnormal cell function.- 6 Quantitative histochemical and cytochemical assays.- 7 Fixation of tissue for histochemistry.- 8 Immunochemical methods to assess cellular malfunction.- 9 Cell markers and processes related to chemically induced carcinogenesis.- 10 The mechanistic basis of chemical- and drug-induced nephrotoxicity.- 11 Pollutant-induced toxicity in the marine environment.
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Buch. Condizione: Neu. Neuware - Advan ces in production technology.- System analysis of yield trials can raise efficiency of breeding for yield.- Research needs in the production of high quality seeds.- Breeding for quality and resistance to fusarial wilt in gladiolus.- Reproductive biology of potato: Basis for true seed produc…tion.- Resistance breeding under coordinated programme.- Quality improvement of Punjab grapes.- Exploitation of allien genes for yellow vein mosaic resistance in okra.- Use of vesicular-arbuscular mycorrhiza (VAM) as biofertilizer for horticultural plants in developing countries.- Foliar feeding of zinc and iron in peach.- Conservation of wild plants of horticultural importance from Tumkur district, Karnataka.- Potential of seed storage at ambient temperature using organic liquids to avoid refrigeration.- Chemical weeding as a labour saving device in management of fruit nurseries.- Role of germplasm in Citrus rootstock improvement.- Comparative efficacy of single and split applied nitrogen on yield and quality of 'Perlette' grapes.- Induced mutations recovered in M2 and subsequent generations in three varieties of okra (Abelmoschus esculentus (L.) Moench).- Plant genetic manipulation.- Role of viruses in plant biotechnology.- Microbial populations, host-specific virulence & plant resistance genes.- Genetically engineered resistance in plants against viral infection.- Genetic engineering and transformation of monocots for crop improvement.- Agrobacterium-mediated gene transfer in Citrus reticulata Blanco.- Regeneration and genetic transformation studies in watermelon (Citrullus vulgaris L. cv. Melitopolski).- Molecular aspects of cytokinin's stymied action on auxin-mediated new root formation in the hypocotyls of Phaseolus vulgaris L.- Plant cell and tissue culture.- Commercial aspects of micropropagation.- Large scale micropropagation: it's strategic use in horticulture.- Micropropagation of bulb crops.- Current status of forest biotechnology.- Large scale secondary metabolite production: the sanguinarine story.- Current research on micropropagation of Sulcorebutia alba Rausch, Syringa vulgaris L., Hip-peastrum hybrids and Tulipa hybrids.- Plant cell culture and food biotechnology: current trends and future prospects.- Tissue culture propagation: problems and potentials.- Micropropagation and plant conformity in Anthurium andreanum.- Rapid in vitro propagation of virus-indexed Freesia.- Effect of culture media and growth regulators on in vitro propagation of rose.- Shoot tip culture method for rapid clonal propagation of pomegranate (Punica granatum L.).- Tissue culture strategies for banana.- Gynogenic plants from ovary cultures of Mulberry (Morus indica).- Induction of high frequency somatic embryogenesis and plant regeneration in mandarins.- Tissue culture of medicinal plants: morphogenesis, direct regeneration and somatic embryogenesis.- Production of important phytochemicals through plant cell cultures and scale-up operations: limitations and prospects.- Establishment of somatic cell culture and plant regeneration in grapes (Vitis vinifera L.).- In-ovulo embryo culture in seedless grapes (Vitis vinifera L.).- Micropropagation of Davana (Artemisia pallens Wall.) by tissue culture.- Clonal propagation of bamboo, coffee and mimosa.- Greenhouse technology.- Greenhouse environmental control for Indian conditions.- New seed-grown cut flowers for floriculture industry.- Cut flowers in the Western Hemisphere.- Decision support for integrated greenhouse production systems.- Greenhouse pot plant production in the United States.- Robotics applications to transplanting of plug seedlings.- Plant health and crop protection.- Immunological and molecular approaches to the diagnosis of viruses infecting horticultural crops.- Viruses of ornamentals - identification and diagnosis.- Protein-A supplemented immune electron microscopy for diagnosis of potato viruses X, S, Y and leafroll.- Production of virus-tested seed potatoes.- Pesticide deconta.
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Buch. Condizione: Neu. Neuware - Describing and designing complex electronic systems has become an overwhelming activit)' for which VHDL is showing increasingly useful and promising support. Although created as a description language. VHDL is being increasingly used as a simulatable and synthcsizablcdcsign language. For the firs…t time, here is abook which describesa number of unique and powerful ways VHDL can be used to solve typical design problems in systems ones which must be designed correctly in vcry short periodsoflime. Typically useful lcchniquessuch as switch-level modeling, mixed analog and digital modelling, and advanced synthesis for which VHDL showsgrealpromisearefully presented. Thesemeth ods are bOlh immedial.ely applicable. and indicale lIle potential of VHDL in efficiently modelling Ihe real worldofelectronic systems. Sinceitsinception.there hasbeen adesireforananalogdescription languageconsistent with (and integrated with) VHDL. Until recently. VHDL could onl)' be applied to digital circuits.ootlhedreamofdescribingandsimulatingmixedanalogand digitalcircuitsis now a reality as described herein. Describing the functionality of analog circuits including intetoperability with digital circuits using the VHDL paradigm is surprisingly easy and powerful. The approach outlined by the authors presages a significant advance in the simulation of mixed systems.
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Buch. Condizione: Neu. Neuware - This collection of articles is dedicated to Frank Spitzer on the occasion of his 65th birthday. The articles, written by a group of his friends, colleagues, former students and coauthors, are intended to demonstrate the major influence Frank has had on probability theory for the last 30 years and… most likely will have for many years to come. Frank has always liked new phenomena, clean formulations and elegant proofs. He has created or opened up several research areas and it is not surprising that many people are still working out the consequences of his inventions. By way of introduction we have reprinted some of Frank's seminal articles so that the reader can easily see for himself the point of origin for much of the research presented here. These articles of Frank's deal with properties of Brownian motion, fluctuation theory and potential theory for random walks, and, of course, interacting particle systems. The last area was started by Frank as part of the general resurgence of treating problems of statistical mechanics with rigorous probabilistic tools.
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Buch. Condizione: Neu. Neuware - Guest Editor: JOSEF A. NOSSEK This is a special issue of the Journal of VLSI Signal Processing comprising eight contributions invited for publica tion on the basis of novel work presented in a special session on 'Parallel Processing on VLSI Arrays' at the International Symposium on Circuits and S…ystems (ISCAS) held in New Orleans in May 1990. Massive parallelism to cope with high-speed requirements stemming from real-time applications and the restrictions in architectural and circuit design, such as regularity and local connectedness, brought about by the VLSI technology are the key questions addressed in these eight papers. They can be grouped into three subsections elaborating on: ¿ Simulation of continuous physical systems, i. e. , numerically solving partial differential equations. ¿ Neural architectures for image processing and pattern recognition. ¿ Systolic architectures for implementing regular and irregular algorithms in VLSI technology. The paper by A. Fettweis and O. Nitsche advocates a signal processing approach for the numerical integration of partial differential equations (PD Es). It is based on the principles of multidimensional wave digital filters (MDWDFs) thereby preserving the passivity of energy dissipating physical systems. It is particularly suited for systems ofPDEs involving time and finite propagation speed. The basic ideas are explained using Maxwell's equa tions as a vehicle for the derivation of a multidimensional equivalent circuit representing the spatially infinitely extended arrangement with only very few circuit elements.
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Buch. Condizione: Neu. Neuware - 1 Structures of and Bonding in Electronic Materials.- 1. Introduction.- 2. The Structure of the Group IV Elements and of III-V and II-VI Semiconductors.- 3. Bonding in and Relationships Between Zinc Blende and Wurtzite-Type Compounds.- 4. Other Structure Types.- References.- 2 Electron Energy Ban…ds.- 1. Introduction.- 2. Models.- 2.1. The Nearly Free Electron Model.- 2.2. The Tight-Binding Model.- 2.3. The Relationship Between the Results of the Two Models.- 2.4. The Relationship Between Maximum Energy and k.- 2.5. Three-Dimensional Effects.- 2.6. Real Materials.- 3. Effective Mass.- 4. Positive Holes.- 5. Methods of Computing Band Structure.- 6. Conductance, the Octet Rule, and Bands.- 7. Postscript: The Kronig-Penney Model.- References.- 3 Electrical Properties of Semiconductors.- 1. Introduction.- 2. Intrinsic Semiconductors.- 3. Extrinsic Semiconductors.- 4. Scattering and Mobility of Charge Carriers.- 5. High-Field Effects.- 4 Optical Properties.- 1. Introduction.- 2. The Classical Approach.- 2.1. Relation to Conductivity.- 2.2. Optical Constants and Relative Permittivity.- 2.3. Resonance.- 3. Absorption Mechanisms.- 3.1. Fundamental Absorption.- 3.2. Other Mechanisms.- 4. Photoconductivity.- 5. Emission.- 5.1. Spontaneous Emission.- 5.2. Stimulated Emission.- 5.3. Nonradiative Recombination.- 6. Anisotropic Materials.- 7. Polarized Light.- 8. Thin-Film Systems.- 5 Interfaces and Low-Dimensional Structures.- 1. Introduction.- 2. Band Structure at a Heterojunction Interface.- 3. Low-Dimensional Effects.- 4. New Effects in Low-Dimensional Structures.- 5. Materials Growth.- 6. Other Low-Dimensional Structures.- 7. Applications.- 8. Conclusions.- References.- 6 Key Electrical Devices.- 1. Introduction.- 2. Basic Semiconductor Diodes.- 2.1. The p-n Junction Diode.- 2.2. The Metal-Semiconductor or Schottky Diode.- 2.3. Ohmic Contacts.- 3. Bipolar Junction Transisistors.- 4. Field Effect Transistors.- 4.1. MOSFETs.- 4.2. JFETs and MESFETs.- 5. Materials for Electronic Devices: The Significance of Silicon.- 6. Gallium-Arsenide-Based Transistors.- 6.1. The GaAs MESFET.- 6.2. Heterojunction-Based Devices.- 7. Other Materials.- 8. Conclusions and Future Prospects.- References.- 7 Key Optoelectronic Devices.- 1. Introduction.- 2. Materials Technologies.- 2.1. Important Optoelectronic Materials.- 2.2. Epitaxy.- 3. Light-Emitting Devices.- 3.1. Basic Principles.- 3.2. Light-Emitting Diodes (LEDs).- 3.3. Semiconductor Lasers.- 4. Optical Detectors.- 5. Waveguide Components.- 6. Optoelectronic Integrated Circuits.- 7. Conclusions.- 8 Thermodynamics and Defect Chemistry of Compound Semiconductors.- 1. Introduction.- 2. Elements of Multicomponent Phase Equilibria.- 2.1. Gibbs's Phase Rule.- 2.2. Pressure-Temperature Equilibrium.- 2.3. Solid-Liquid Equilibria in Multicomponent Systems.- 2.4. Representation of the Activity Coefficients.- 3. Solid-Liquid Phase Equilibria in Ternary III-V Compounds.- 4. Solid-Gas Phase Equilibria in Multicomponent III-V compounds.- 5. Native Point Defects in Compound Semiconductors.- 6. The Incorporation of Solute (Dopant) Atoms.- 7. Summary and Conclusions.- References.- 9 Single Crystal Growth I: Melt Growth.- 1. Introduction: General Principles.- 2. Role of Melt Growth.- 3. Constraints to Melt Growth.- 3.1. Chemical Reactivity.- 3.2. Vapor Pressure.- 3.3. Mechanical.- 3.4. Fundamental.- 4. Techniques of Melt Growth.- 4.1. Vertical Pulling or Czochralski Growth.- 4.2. Float Zone.- 4.3. Horizontal Bridgman.- 4.4 Liquid Encapsulation.- 5. Fundamentals.- References.- 10 Single Crystal Growth II: Epitaxial Growth.- 1. Introduction: General Principles.- 2. Role of Epitaxy.- 3. Constraints to Epitaxial Growth.- 3.1. Liquid Phase Epitaxy (LPE).- 3.2. Vapor Phase Epitaxy (VPE).- 4. Techniques of Epitaxial Growth.- 4.1. Liquid Phase Epitaxy.- 4.2. Vapor Phase Epitaxy: Conventional Inorganic Epitaxy.- 4.3. Molecular Beam Epitaxy (MBE): Metalorganic Molecular Beam Epitaxy (MOMBE).- 4.4. Metalorganic Vapor Phase Ep.
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Buch. Condizione: Neu. Neuware - Biophysics and Psychophysics of Photoreceptors.- Visual Pigments and Colour Vision in Primates.- The Cost of Trichromaticity for Spatial Vision.- Variability in Cone Populations and Implications.- Discussion: Biophysics and Psychophysics of Photoreceptor.- Transition from Photopic to Scotopic Lig…ht Assessments and Possible Underlying Processes.- Dual Rod Pathways.- Wavelength-Discrimination with Only Rods and Blue Cones.- Density of Bipolar Cells in the Macaque Monkey Retina.- Discussion: Rod Vision.- Parvocellular and Magnocellular Pathways and Psychophysics.- Which Cells Code for Color .- Receptive Field Structure of P and M Cells in the Monkey Retina.- On the Relation between Cellular Sensitivity and Psychophysical Detection.- P and M Pathway Specialization in the Macaque.- The Color-Opponent and Broad-band Channels of the Primate Visual System.- Discussion: P- and M-Pathways I.- Temporal Characteristics of Colour Vision: VEP and Psychophysical Measurements.- The Contribution of Colour to Motion.- Functional Classification of Parallel Pathways.- The Responses of Macaque Retinal Ganglion Cells to Complex Temporal Waveforms.- Remote Surrounds and the Sensitivity of Primate P-Cells.- On Neurophysiological Correlates of Simultaneous Colour and Brightness Contrast as Demonstrated in P-LGN-Cells of the Macaque.- Development of Infant Contrast Sensitivity and Acuity for Coloured Patterns.- Psychophysical Evidence of two Gradients of Neural Sampling in Peripheral Vision.- Discussion: P- and M-Pathways II.- Visual Evoked Potentials.- On the Nature of Visual Evoked Potentials, Unit Responses and Psychophysics.- Localization of the Electromagnetic Sources of the Pattern Onset Response in Man.- Discussion: Evoked Potentials.- Cortical Processing and Psychophysical Measurement.- Probing the Primate Visual Cortex: Pathways and Perspectives.- Lateral Interactions in Visual Cortex.- The Perceptual Significance of Cortical Organization.- Orientation and Spatial Frequency Selectivity: Properties and Modular Organization.- Orientation and Color Columns in Monkey Striate Cortex.- Discussion: Cortical Processing.- Psychophysical Studies and Post-Receptoral Processes.- Visual Photometry: Relating Psychophysics to some Aspects of Neurophysiology.- Sensory and Perceptual Processes in Seeing Brightness and Lightness.- Assimilation Versus Contrast.- On Achromatic Colors.- Color Opponency from Eye to Brain.- Chromatic Mechanisms beyond Linear Opponency.- Discussion: Psychophysics and Post-Receptoral Processes I.- Adaptation Mechanisms in Color and Brightness.- Testing the Contrast Explanation of Color Constancy.- Adaptation and Color Discrimination.- Studies on Colour Constancy in Man Using a 'Checkerboard - Mondrian'.- Discussion: Post-Receptoral Processes II.- Models, Neural Processes and Psychophysics.- Origin of Perceptually Measured Phase Shifts in the Visual System.- Psychophysical Correlates of Parvo Channel Function.- On the Physiological Basis of Higher Colour Metrics.- Neural Decoding.- Effects of Phase Shifts between Cone Inputs on Responses of Chromatically Opponent Cells.- Different Neural Codes for Spatial Frequency and Contrast.- Displacement Estimation, Stereo Matching and 'Object' Recognition: A Computer Simulation Approach Working with Real World Imagery.- Scaling and Thresholds of Color and Light Described by an Opponent Model of Color Vision Based on Psychophysical Data.- Discussion: Models and Neural Nets.- General Discussion.- Participants.
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Buch. Condizione: Neu. Neuware - A manipulator, or 'robot', consists of a series of bodies (links) connected by joints to form a spatial mechanism. Usually the links are connected serially to form an open chain. The joints are either revolute (rotary) or prismatic (telescopic), various combinations of the two giving a wide va ri…ety of possible configurations. Motive power is provided by pneumatic, hydraulic or electrical actuation of the joints. The robot arm is distinguished from other active spatial mechanisms by its reprogrammability. Therefore, the controller is integral to any de scription of the arm. In contrast with many other controlled processes (e. g. batch reactors), it is possible to model the dynamics of a ma nipulator very accurately. Unfortunately, for practical arm designs, the resulting models are complex and a considerable amount of research ef fort has gone into improving their numerical efficiency with a view to real time solution [32,41,51,61,77,87,91]. In recent years, improvements in electric motor technology coupled with new designs, such as direct-drive arms, have led to a rapid increase in the speed and load-carrying capabilities of manipulators. However, this has meant that the flexibility of the nominally rigid links has become increasingly significant. Present generation manipulators are limited to a load-carrying capacity of typically 5-10% of their own weight by the requirement of rigidity. For example, the Cincinatti-Milicron T3R3 robot weighs more than 1800 kg but has a maximum payload capacity of 23 kg.
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Buch. Condizione: Neu. Neuware - 'Now, however, weface an Age of Discontinuity in world economy and tech nology. We might succeed in making it an age of great economic growth as weil. But the one thing that is certain so far is that it will be a period of change-in technology and in economic policy, in industry structures and in… economic theo ry, in the knowledge needed to govern and manage, and in economic issues. While we have been busy finishing the great nineteenth-century economic ed ijice, the foundations have shifted beneath our feet.' Peter F. Drucker, 1968 The A~e Qf DiscQntinuity, p. 10 This project has had a lQng gestatiQn period, probably ultimately dating to a YQuthful QbsessiQn with watershed divides and bQundaries. My awareness Qf the problem Qf discQntinuity in eCQnQmics dates tQ my first enCQunter with the capi tal theQry paradQxes in the late 1960s, the fruits Qf which can be seen in Chapter 8 Qf this book. This awareness led tQ a frostratiQn Qver the apparent lack Qf a mathematics Qf discQntinuity, a lack that was in the process of rapidly being QverCQme at that time.
Lingua: Inglese
Editore: Springer Nature B.V. Jun 1991, 1991
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Buch. Condizione: Neu. Neuware - Prior to 1974, the ~adrenergic receptors were known only in directly as entities that responded to drugs in a selective manner to mediate a variety of physiologically important responses. During the intervening years, our view of ~adrenergic receptors has changed dramatically. The availability of… high affinity 125I-labeled radioligands selective for these receptors presaged an explosion of experimenta tion utilizing direct binding assays to establish the biochemical properties of the receptor protein. In the opening chapter, Stadel and Lefkowitz describe this development and its impact on our under standing of the molecular basis of ~adrenergic receptor function. The availability of well-characterized receptor ligands, coupled with the development of efficient methods for detergent solubilization, formed the basis of receptor purification using affinity chromatography. The related technique of photoaffinity labeling provided a means to estimate the molecular mass of these receptors. The availability of substantial amounts of purified ~2-adrenergic receptor allowed determination of segments of its amino acid se quence. This information led to the production of polynucleotide probes and eventually to cloning of the receptor gene and determi nation of the complete primary sequence of the receptor protein. Caron and Lefkowitz review the investigations leading to this major development and discuss the methods involved. They analyze our current perception of the relation of receptor function to its structure and discuss the general features of the G protein-interacting receptor family, of which the ~-adrenergic receptors are prototypes.
Lingua: Inglese
Editore: Springer Us Jun 1991, 1991
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Buch. Condizione: Neu. Neuware - Where do you begin to look for a recent, authoritative article on the diagnosis or management of a particular malignancy The few general oncology textbooks are generally out of date. Single papers in specialized journals are informative, but seldom comprehensive; these are more often preliminary…reports on a very limited number of patients. Certain general journals frequently publish good in-depth reviews of cancer topics, and published symposium lectures are often the best overviews available. Unfor tunately, these reviews and supplements appear sporadically, and the reader can never be sure when a topic of special interest will be covered. Cancer Treatment and Research is a series of authoritative volumes that aim to meet this need. It is an attempt to establish a critical mass of oncology literature covering virtually all oncology topics, which is revised frequently to keep the coverage up to date, and which is easily available on a single library shelf or by a single personal subscription. We have approached the problem in the following fashion: first, by dividing the oncology literature into specific subdivisions, such as lung can cer, genitourinary cancer, pediatric oncology, etc.; and second, by asking eminent authorities in each of these areas to edit a volume on the specific topic on an annual or biannual basis. Each topic and tumor type is covered in a volume appearing frequently and predictably, discussing current diag nosis, staging, markers, all forms of treatment modalities, basic biology, and more.
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Buch. Condizione: Neu. Neuware - 'Overall, this volume should be useful to those wanting to update their knowledge of hepatic metabolism and transport of bile salts, and of phase II drug metabolism, and, in particular, glucuronidation. In addition, many of the chapters are well written and should be easily accessible to workers…in all fields of hepatology, providing interesting new perspectives on several aspects of hepatic metabolism.' Alternatives for Laboratory 20 1992 'A must for anyone working in or interested in this field.' Unlisted Drugs Feb 1993.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The scope of the Israel seminar in geometric aspects of functional analysis during the academic year 89/90 was particularly wide covering topics as diverse as: Dynamical systems, Quantum chaos, Convex sets in Rn, Harmonic analysis…and Banach space theory. The large majority of the papers are original research papers. 208 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The large aggregates in the economy - consumption, investment, production of the domestic and the international sectors, international capital flows, financial accumulation and indebtedness - are analysed in this book as problems i…n time-optimisation for enterprises and households. The effects of fiscal and monetary policies along with exchange-rate variation are examined, and their simultaneous use for stabilizing demand are found to be necessary. All household decisions on consumptions, savings, and financial disposition are conditioned by uncertainty, and similarly for firms, who make more complex simultaneous decisions on production, real investment, financing, and market strategy. The marginal efficiency-of-investment function derived from these decisions is fundamentally different from the marginal productivity of capital in the neoclassical sense. An economy which grows through the accumulation of capital, increase in labor supply, and technological progress is the framework in which all of these variables move. This codetermines the allocation of factors between domestic and international production, and the development of foreign trade. The growth both of the public debt and of international investment are treated in depth. 200 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Berlin Heidelberg Jun 1991, 1991
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1.1 Some characteristics of the floating exchange rate system The flexible exchange rate system has functioned far less satisfactorily than many anticipated in 1973, when the major industrialized countries decided to let their curr…encies float. The dominant currencies' exchange rates have fluctuated more 1 than expected. These fluctuations concern both short-term movement- intraday fluctuations and movements during a week or a month - and long term changes that last for more than a year. Daily percentage changes of one percent are not unusual for the recent float (see MacDonald, 1988, p.8). However, the release of new information can give rise to much larger changes. For example in August 1987 'the dollar moved down 6 percent in two days based on the July trade figures' (Glynn, 1988, p. 36). For the period 1973-1985 MacDonald (1988, p.10) presents minimum and maximum monthly percentage exchange rate changes. These figures clearly illustrate the magnitude of the volatility and also show that the volatility has not diminished as the experience 2 with floating has increased. In addition to this volatility, exchange rates are also characterized by misalignment: 'persistent departure of the exchange rate from its long-run equilibrium' (Williamson, 1983, p.l3). Although the measure of misalignment depends upon the exact definition of the exchange rate's long-run equilibrium, there is a widespread feeling that during the greater part of the 1970s the dollar was undervalued, whereas it was overvalued during the first half of the 1980s. 284 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -How to Use This Book The primary purpose of this book is to assist small companies, involved in both hardware and software, to devise and evolve their own quality systems. There are a number of national and now international standards whi…ch outline the activities for which procedures and records need to be specified. They are described and compared in Chapter 2, and the subsequent guidance in the book is intended to assist in meeting them. Although, at first sight, the operations of a hardware equipment developer may seem very different from those of a software house, the basic requirements of a quality system, such as the BS 5750 and ISO 1987 series of documents, are the same. For this reason the same standard can be called for in both areas and it will be seen, in Part 2, that suitable procedures can be derived to meet both types of operation. Quality standards (BS 5750, AQAP, ISO 9000 series) distinguish between companies carrying out, on the one hand, both design and manufacturing fixed functions and, on the other hand, those who only manufacture to specifications. In practice, the lesser requirements (those applying to manufacture to fixed specifications) are common to both levels of standard and the additional controls pertaining to design are added to obtain the higher standard. Chapter 2 explains the differences in detail. 476 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Berlin Heidelberg Jun 1991, 1991
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Currently, the field of information systems technology is rapidly extending into several dimensions. There is the semantic dimension (including object orientation, data deduction and extended knowledge representation schemes), ther…e is improved systems integration, and there are new tools. All these extensions aim to provide semantically richer and better engineered information systems that allow for more adequate and complete representations and thus extend the effective use of database technology to a wider class of applications. Database researchers and developers, whether they are committed to application or to system construction, are convinced that next-generation information system technology will be heavily determined by a handful of new concepts that they have to understand and work out in detail now. This volume concentrates on the following topics: - Extended data types and data models, database programming languages; - Rule-based data deduction, expert systems, knowledge bases; - Object orientation and semantic data modelling; - DB application development, methodologies and tools; - Interface technology, parallelism, interoperability, .; - New database applications. 468 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Jun 1991, 1991
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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 volume is a collection of 22 papers presented at the International Workshop on Information Processing in Autonomous Mobile Robots, held in Munich (Germany) in March 1991. Autonomous mobile robot technologies are generating sig…nificant interest because of their potential capabilities for future applications on the plant floor as weil as in the service industry. Autonomous robots may navigate around factories and laboratories, hospitals, office-buildings, airports or sirnilar public and sernipublic places. They may deliver equipment, coilect garbage and perform other such tasks. One of the major challenges for the field of autonomous mobile robot research is to develop robust and real-time systerns for perception and understanding of complicated real environments as weil as for intelligent decision-making with respect to proper actions. This Workshop was set up to stimulate discussion and the exchangement of new ideas on various aspects of autonomous mobile robot methodologies and applications. The main focal points of the Workshop program were sensing and perception, navigation and control, knowledge bases and computer architechtures as weil as various applications. The papers are prepared by leading experts in theses areas from Europe, Japan, the United States and by researchers involved in the interdisciplinary research project on 'Information Processing in Autonomous Mobile Robots (Sonderforschungsbereich 331)' at the Technische Universität München. 368 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Jun 1991, 1991
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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 -Software development environments are integrated sets of tools, techniques and processes that assist in the sys- tematic development of software products. They are intended to support all phases of the software development cycle: r…equirements definition, design, implementation, test, and maintenance. These Computer Aided Software Engineering (CASE) tools typically make use of graphic manipulation facilities and rely on some form of development database to exchange various types of design objects between tools. Facilitated by the availability of powerful workstations, implementations of these technologies are now within reach of every software developer. This volume presents the proceedings of a symposium organized by the GI (Gesellschaft für Informatik), the GMD (Gesellschaft für Mathematik und Datenverarbeitung) and ESEC (European Software Engineering Conferences). The symposium brought together application development managers and top specialists involved in the selection and introduction of software development tools, leading developers of such tools and well known authorities from the research community. The proceedings contain first-hand information on practical experiences and requirements, development directions and strategies, and key research issues and results. 300 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Jun 1991, 1991
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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 -Methods for the algebraic specification of abstract data types were proposed in the early 1970s in the USA and Canada and became a major research issue in Europe shortly afterwards. Since then the algebraic approach has come to pla…y a central role in research on formal specification and development, as its range of applications was extended to the specification of complete software systems, to the formal description of the program development process, and to the uniform definition of syntax and semantics of programming languages. Today this approach extends beyond just software to the development of integrated hardware and software systems. These flourishing activities in the area of algebraic specifications have led to an abundance of approaches, theories and concepts, which have universal algebra, category theory and logic as a common mathematical basis. This volume is an annotated bibliography which provides an up-to-date overview of past and present work on algebraic specification. No attempt is made to provide a coherent introduction to the topic for beginners; the intention is rather to provide a guide to the current literature for researchers in algebraic specification and neighboring fields. Some indications of how the different approaches are related are included, together with some ideas concerning possible future directions. 112 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 is the first international conference aimed at bringing the distributed database and distributed AI (DAD experts together, from both academia and industry, in order to discuss the issues of the next generation of knowledge bas…ed systems, namely Cooperating Knowledge Based Systems or CKBS for short. As the area of CKBS is new, we intended it to be an ideas conference - a conference where interesting new ideas, rather than results from completed projects, are explored, discussed, and debated. The conference was organised by the DAKE Centre. This is an interdisciplinary centre at the University of Keele for research and development in Data and Knowledge Engineering (DAKE). The Centre draws most of its strength from the Department of Computer Science which also provides administrative support for the activities of the Centre, although its membership is spread over several departments. The Centre has three main streams of research activities, namely: Large Knowledge Bases Software Engineering Neural Networks The Large Knowledge Base group, which provided the focus for this conference, is active in a number of research areas relating to data and knowledge bases, spanning from distributed databases to cooperations among data and knowledge bases. The current research topics include integration of data and knowledge bases and coopera ting knowledge based systems, with several major projects in the latter (see the entries under the Poster Session given below). 344 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Berlin Heidelberg Jun 1991, 1991
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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 -With the appearance of massively parallel computers, increased attention has been paid to algorithms which rely upon analogies to natural processes. This development defines the scope of the PPSN conference at Dortmund in 1990 whos…e proceedings are presented in this volume. The subjects treated include: - Darwinian methods such as evolution strategies and genetic algorithms; - Boltzmann methods such as simulated annealing; - Classifier systems and neural networks; - Transfer of natural metaphors to artificial problem solving. The main objectives of the conference were: - To gather theoretical results about and experimental comparisons between these algorithms, - To discuss various implementations on different parallel computer architectures, - To summarize the state of the art in the field, which was previously scattered widely both among disciplines and geographically. 504 pp. Englisch.
Lingua: Inglese
Editore: Springer Vienna Jun 1991, 1991
Serie: Libro 423 di 433 - CISM International Centre for Mechanical Sciences
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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 study of materials which exhibit new and unconventional properties is of central importance for the devel- opment of advanced and refined technologies in many fields of engineering science. In this connection there has been a r…apidly growing interest in real fluid effects on wave phenomena in the past few years. A prominent example is provided by Bethe-Zel'dovich-Thompson (BZT) fluids which have the distinguishing feature that they exhibit negative nonlinearity over a finite range of temperature and pressures in the pure vapour phase. However, two phase flows with and without phase change are an even richer source of new unexpected and previously thought impossible phenomena. Topics covered by this volume include waves in gases near the critical point, waves in retrograde fluids, temperature waves in superfluid helium and density waves in suspensions of particles in liquids. Clearly, the aim of the various contributions is twofold. First, they are intended to provide scientists and engineers working in these and related areas with an overview of various new physical phenomena as for example expansion shocks, sonic shocks, shock splitting, evaporation and liquafaction shocks and the experimental techniques needed to study these phenomena. Second, an attempt is made to discuss aspects of their mathematical modeling with special emphasis on properties which these phenomena have in common. 344 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present study of patents and patent applications published in the United States, Japan and the countries of Western Europe, and of other technological about 1980, is the result of a comprehensive analysis literature published since of… documents which reveal various processes for reinforcing composite materials by metals, the atoms of which have been arranged according to predetermined matrices. Pre-searches were conducted by the Patent Information Office of TNO in Rijswijk, The Netherlands, which also provided copies of the documents needed to carry out the analysis. The International Patent Classification System (IPC) was employed to determine proper entries to the documents on the respective subject-matter. These classes are: C 22 C 1/09 relating to alloys containing metallic or non-metallic fibres or filaments; by subjecting to pressure and heat an assembly comprising at /09B least one metal layer or sheet and one layer of fibres or filaments; /09C by contacting the filaments or fibres with molten metal, e. g. by impregnation; /09D by using a powder-metallurgical method; characterized by the material used respectively for the metal /09F matrix or the reinforcing fibres; matrix formed of a light metal such as AI, Mg, Be, Ti; /09F2 matrix formed of a refractory metal such as Ni, Co, Cr, Mo. /09F4 Classifying patents or patent applications is actually a very difficult matter, particularly when it has to deal with processes for the production of composites, metal alloys or pharmaceuticals. 248 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 -In this monograph the author presents a thorough computational geometry approach to handling theoretical and practical problems arising from numerically controlled pocket machining. The approach unifies two scientific disciplines:…computational geometry and mechanical engineering. Topics of practical importance that are dealt with include the selection of tool sizes, the determination of tool paths, and the optimization of tool paths. Full details of the algorithms are given from a practical point of view, including information on implementation issues. This practice-minded approach is embedded in a rigorous theoretical framework enabling concise statement of definitions and proof of the correctness and efficiency of the algorithms. In particular, the construction of Voronoi diagrams and their use for offset calculations are investigated in great detail. Based on Voronoi diagrams, a graph-like structure is introduced that serves as a high-level abstraction of the pocket geometry and provides the basis for algorithmically performing shape interrogation and path planning tasks. Finally, the efficiency and robustness of the approach is illustrated with figures showing pocketing examples that have been processed by the author's own implementation. 196 pp. Englisch.
Lingua: Inglese
Editore: Springer Berlin Heidelberg, Springer Berlin Heidelberg Jun 1991, 1991
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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 volume presents the proceedings of a workshop on parallel database systems organized by the PRISMA (Parallel Inference and Storage Machine) project. The invited contributions by internationally recognized experts give a thorou…gh survey of several aspects of parallel database systems. The second part of the volume gives an in-depth overview of the PRISMA system. This system is based on a parallel machine, where the individual processors each have their own local memory and communicate with each other over a packet-switched network. On this machine a parallel object-oriented programming language, POOL-X, has been implemented, which provides dedicated support for database systems as well as general facilities for parallel programming. The POOL-X system then serves as a platform for a complete relational main-memory database management system, which uses the parallelism of the machine to speed up significantly the execution of database queries. The presentation of the PRISMA system, together with the invited papers, gives a broad overview of the state of the art in parallel database systems. 448 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 -Life has shaped the Earth, and the Earth has moulded the history of life. That history, the co-evolution of our ancestors and their horne, has much to teach us about our place on the planet today. We are part of the fabric of the b…iosphere. As we change that fabric we would be wise to understand how our horne was built. Our planet is neither a hotel nor a colony. It is not a place which life briefly inhabits during a transient occupation. Instead, it is our horne, designed by the deeds of our ancestors and suited to our own needs. The history of life on Earth is held in the geological record, which is composed of the rocks, water and air that are available for study on the planet's surface. These rocks, the oceans and the atmosphere are not simply stores of information for the excitement of fossil hunters and geochemists, or resources to exploit without thought. Their cre ation and continued existence form an integral part of the development and management of the Earth as the horne of life. 256 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 first study of the British Ministry of Aircraft Production, this book examines the war-time policy and operation of the planning department. Topics covered include the organization of the department, production planning and spe…cific programmes. 197 pp. Englisch.
