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Taschenbuch. Condizione: Neu. Neuware - Members of the gastropod family Littorinidae are common throughout the world. They form a very abundant component of many intertidal and shallow subtidal ecosystems and, by their grazing, often play a central role in shaping these communities. They also display a wide range of life history strategies and many are polymorphic, making them attractive model organisms for ecologists, evolutionary biologists and physiologists alike. Areas of particular interest include ecological interactions with other animals and with algae, the effects of pollutants and the use of littorinids as sentinel species for monitoring pollution, the effects of parasites on growth and ecology, taxonomy, and the study of genotypic/phenotypic responses to environmental factors. There is still much to be done, and the littorinids are proving to be an ideal group on which to work. Audience: Primarily targeted at the research level. Will also provide useful information for advanced first-degree students conducting research projects.

Buch. Condizione: Neu. Neuware - The International Handbook of Research in Professional and Practice-based Learning discusses what constitutes professionalism, examines the concepts and practices of professional and practice-based learning, including associated research traditions and educational provisions. It also explores professional learning in institutions of higher and vocational education as well the practice settings where professionals work and learn, focusing on both initial and ongoing development and how that learning is assessed.The Handbook features research from expert contributors in education, studies of the professions, and accounts of research methodologies from a range of informing disciplines. It is organized in two parts. The first part sets out conceptions of professionalism at work, how professions, work and learning can be understood, and examines the kinds of institutional practices organized for developing occupational capacities. The second part focuses on procedural issues associated with learning for and through professional practice, and how assessment of professional capacities might progress. The key premise of this Handbook is that during both initial and ongoing professional development, individual learning processes are influenced and shaped through their professional environment and practices. Moreover, in turn, the practice and processes of learning through practice are shaped by their development, all of which are required to be understood through a range of research orientations, methods and findings. This Handbook will appeal to academics working in fields of professional practice, including those who are concerned about developing these capacities in their students. In addition, students and research students will also find this Handbook a key reference resource to the field.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -It was R. Frisch, who in his publications 'Correlation and Scatter Analysis in Statistical Variables' (1929) and 'Statistical Confluence Analysis by means of Complete Regression Systems' (1934) first pointed out the complications that arise if one applies regression analysis to variables among which several independent linear relations exist. Should these relationships be exact, then there exist two closely related solutions for this problem, viz. 1. The estimation of 'stable' linear combinations of coefficients, the so-called estimable functions. 2. The dropping of the wen-known condition of unbiasedness of the estimators. This leads to minimum variance minimum bias estimators. This last solution is generalised in this book for the case of a model consisting of several equations. In econometrics however, the relations among variables are nearly always approximately linear so that one cannot apply one of the solutions mentioned above, because in that case the matrices used in these methods are, although ill-conditioned, always of full rank. Approximating these matrices by good-conditioned ones of the desired rank, it is possible to apply these estimation methods. In order to get an insight in the consequences of this approximation a simulation study has been carried out for a two-equation model. Two Stage Least Squares estimators and estimators found with the aid of the above mentioned estimation method have been compared. The results of this study seem to be favourable for this new method. 112 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present publication of re ports and discussions sterns from the fourth Session of the Hague-Zagreb Colloquium, held at Eernewoude, in the Netherlands. The preceding three Sessions were held at Stubice Toplice, in Yugoslavia (1974), Zeist, in the Netherlands (1976) and, again in Yugoslavia, at Opatija (1978). The fourth Session was originally planned for May 1980. On the eve of the meeting, the then President of the Socialist Federal Republic of Yugoslavia, the late Marshall J .B. Tito, passed away. On hearing the news of the Marshall's death, the Organizing Committee of the Hague-Zagreb Colloquium immediately decided that the Session should not then be held. The postponement lasted, in fact, a whole year: the fourth Session was convened at Eernewoude in May 1981. For the Eernewoude Session the formula that had produced such excellent results in the previous conferences was maintained. Four topics of international trade law were thoroughly discussed on the basis of reports submitted by scholars from the various legal systems represented at the conference. Apart from the Yugoslav and Dutch participants, scholars from the United Kingdom, the Federal Republic of Germany, Belgium and Norway took part in the discussions, be it in the capacity of reporter, of chairman or as expert in the field covered by the Colloquium: the law of international trade. A student competition had again been organised and the members of the win ning teams from Yugoslavia and from the Netherlands were among the participants. 416 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The fundamental fault in hypertension is unknown. Calling it a fundamental fault, indeed, tacitly begs the question: Is there one fundamental fault, or are there several that are interlinked or interdependent A simple yes or no answer cannot be offered. This volume is not designed to survey the up-to-date recent advances in research on hypertension, nor intended to provide provisional an swers to the so many unknowns in this topic. It is, in fact, an attempt to articulate questions that are worth asking, given the license of an unhibited, albeit disci plined, inquiry. The range of expression varies from dogmatic opinion to a declared speculation. Is the primary abnormality an excessive sodium and reduced potassium intake over generations Or is it hormonal excess, deficiency, imbalance or altered synthesis of abnormal forms Does the nervous system playa role of active initiation or only of passive maintenance in the genesis of hypertension Is the heart only a pump acting in concert with the happenings to the vasculature trying to provide adequate flow in the face of vasconstriction induced by neural or humoral factors, or does it sometimes become the culprit by pumping blood flow in excess of demand and thus initiating hypertrophic changes in blood vessels, or by assuming the role of an endocrine organ and being the source of a hormone with influence on cellular transport of sodium and on vasomotor tone Is an elusive and mysterious fault in the kidney, the primary basis of all of the above 360 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 404 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Peter B. Senholzi Manager, Applications Engineering Mechanical Technology Incorporated In most discussions concerning tribology, authors felt compelled to introduce the topic by first defining the term. In this discussion, however, the term will not be defined until after the circumstances that spawned its existence have been summarized. This discussion will revolve around two facets of mechanical system design, that of structural integrity and wear integrity. In the not too distant past, the evolutionary process of machine design had in most cases attained a stage of development where the structural integrity of a system was ensured. Simply stated, this means that the machine components would not 'break. ' However, at this development phase, little emphasis was placed on component wear integrity. This meant that although machinery components would not break, they would be subject to high wear/wear-out rates. Frequent component replacements were used in order to compensate for this situation. A 'throw away' philosophy was thus adopted. This philosophy, however, resulted in many undesirable secondary effects. Mechanical systems were characterized by expensive logistics, costly maintenance, limited availability, limited lives, and substantial energy consumption. This energy consumption resulted from primary effects of high equipment frictional levels {causing the high wear rate) and such secondary effects as spare parts production and transportation. As a result of these factors, the 'throw-away' philosophy was a very vulnerable luxury. During the last fifteen or so years, environmental factors with respect to mechanical system operation have changed 2 drastically. 792 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume represents the proceedings of the fourth in this series of prestigious conferences devoted to the latest developments in ceramic engine components. Its aim is to bring together both research and engineering knowledge and to provide a state-of-the-art survey of this increasingly important field. 1340 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book deals with the relationship between gravitation and elementary particle physics, and the implications of these subjects for astrophysics. There has, in recent years, been renewed interest in theories that connect up gravitation and particle physics, and in the astrophysical consequences of such theories. Some of these accounts involve a time-variation of the Newtonian gravitational parameter, G. In this respect, the present book may be regarded as a companion to my Cosmology and Geophysics (Hilger, Bristol, 1978). There is some overlap as regards the discussion of G-variability, but the emphasis in the present book is on astrophysics while the emphasis in the other one is on geophysics. The subject is a very broad one indeed, and in giving a review of it I have adopted a somewhat unorthodox way of presenting the material involved. The main reason for this is that a review of such a wide subject should aim at two levels: the level of the person who is interested in it, and the level of the person who is professionally engaged in research into it. To achieve such a two-level coverage, I have split the text up into two parts. The first part (Chapters 1-7) represents a relatively non-technical overview of the subject, while the second part (Chapters 8-11) represents a technical examination of the most important aspects of non-Einsteinian gravitational theory and its relation to astrophysics. 204 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The cumulative effects of pollution have led, in recent years, to increased public concern, which is resulting in stricter legislation on the discharge of wastes in whatever state they are present: gaseous, liquid or solid. The treatment and disposal of wastes has become one of the most important problems facing mankind. This is a problem which will not disappear, and could even worsen, if it is not faced with resolution by all the main parties involved: consumers, governments, producers and scientists. Some wastes could be reused, producing some economic return which could pay for the waste-treatment process. In the best of cases, this could become an economically attractive recycling operation. However, in many situations, waste treatment is considered to be an unproductive process which entails additional costs to an otherwise productive operation. Methods for the removal and purification of wastes (including those considered to be 'toxic wastes', the most dreaded form of pollution), if developed at all, suffer from serious limitations. Two of these are the high energy input into the process and, after the contaminants have been removed, the lingering problem of what to do with them, as they will then exist as some kind of concentrate. The ideal solution is none other than a natural, biological process to degrade wastes. Fortunately, mankind is increasingly choosing that option, as exemplified by the general acceptance of the role of biotechnology in modern society. 436 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This International Conference on Clifford AlgebrfU and Their Application, in Math ematical Phy,ic, is the third in a series of conferences on this theme, which started at the Univer,ity of Kent in Canterbury in 1985 and was continued at the Univer,iU de, Science, et Technique, du Languedoc in Montpellier in 1989. Since the start of this series of Conferences the research fields under consideration have evolved quite a lot. The number of scientific papers on Clifford Algebra, Clifford Analysis and their impact on the modelling of physics phenomena have increased tremendously and several new books on these topics were published. We were very pleased to see old friends back and to wellcome new guests who by their inspiring talks contributed fundamentally to tracing new paths for the future development of this research area. The Conference was organized in Deinze, a small rural town in the vicinity of the University town Gent. It was hosted by De Ceder, a vacation and seminar center in a green area, a typical landscape of Flanders's 'plat pays' . The Conference was attended by 61 participants coming from 18 countries; there were 10 main talks on invitation, 37 contributions accepted by the Organizing Com mittee and a poster session. There was also a book display of Kluwer Academic Publishers. As in the Proceedings of the Canterbury and Montpellier conferences we have grouped the papers accordingly to the themes they are related to: Clifford Algebra, Clifford Analysis, Classical Mechanics, Mathematical Physics and Physics Models. 424 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -There is ample opportunity and scope for gynaecology in prim ary care in general practice. Many conditions and problems can be managed successfully in this context without referral to hos pital and specialist care. The first aim of this book is to deal with common problems that are referred for consultant opinion and specialist management to the average District General Hospital by analysing problems of presentation and diagnosis on a symptom-orientated basis. Selection for primary care management as opposed to hospital referral is then considered, following which the wide range of available treatment is evaluated with particular emphasis on the maximum use of up-to-date but proven regimes. The full use of the expertise of the practitioner is highlighted throughout. The second aim is to encourage the practice of primary care gynaecology and to help those doctors who have a special in terest in the subject, while hopefully stimulating others to de velop a similar one. With this in mind, the approach to the problems is realistic and often dogmatic while opportunities for individual management and for practical procedures are kept to the forefront. 504 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present volume continues the aim of Structure Reports to present critical accounts of all crystallographic structure determinations. Details of the arrangement in the volumes, symbols used etc. are given in previous volumes (e.g. 41B or 42A, pages vi-viii). University of Guelph, G. FERGUSON Guelph, Ontario, Canada 4 February, 1984 [VI] STRUCTURE REPORTS SECTION I METALS Edited by L. D. Calvert (National Research Council of Canada) with the assistance 0/ 1. K. Byron J. R. Rodgers [1] 2 ARRANGEMENT As in previous volurnes the arrangement in the Metals section is approximately, but not strictly, alphabetical, and to find particular substances the subject index or formula index should be used. 3 ALKALI METAL - TRANSITION METAL - PNICTIDES ABX (A = Ba, Sr; B = Zn, Cd; X = Sb, Bi), CaMnSb 2 2 E. BRECHTEL, G. CORDIER and H. SCHAFER, 1981. J. Less-Common Metals, 79, 131-138. ABX , tetragonal, SrZnBi type (1), I4/mmm, Z = 4. Mo radiation, diffractometer 2 2 data. A in 4(e) O,O,z; B in 4(d) 0,1/2,1/4; X(l) in 4(c) 0,1/2,0; X(2) in 4(e) O,O,z. See Fig. 1. 428 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The theory of nonlinear oscillations and stability of motion is a fundamental part of the study of numerous real world phenomena. These phenomena, particularly auto-oscillations of the first and second kind, capture, para metric, subharmonic and ultraharmonic resonance, asymptotic behavior and orbits' stability, constitute the core of problems treated in 'Nonlinear Mechanics', and their study is connected with the names of H. Poincare, A. M. Lyapunov, N. M. Krylov and N. N. Bogolyubov. Professor Demetrios Magiros, a widely known scientist in the theories of oscillations and nonlinear differential equations, has devoted his numerous works to this significant part of modern physical science. His scientific results can be classified in the following way: I) creation of methods of analysis of subharmonic resonances under the nonlinear effect, 2) determination and analysis of the main modes of nonlinear oscillations on the basis of infinite determinants, 3) analysis of problems of celestial mechanics, 4) classification of stability of solutions of dynamic systems concepts, 5) mathematical analogs of physical and social systems. He has developed new methods and solutions for a great number of difficult problems of nonlinear mechanics making a significant contri bution to the theory and applications of the field. Urgency, depth of perception of the considered phenomena, and practi cal directness are characteristics of his work. 540 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present volume continues the aim of Structure Reports to present critical accounts of all crystallographic structure determinations. Details of the arrange ment in the volumes, symbols used etc. are given in previous volumes (e. g. 41B or 42A, pages vi-viü). University of Guelph, G. FERGUSON Guelph, Ontario, Canada 1 May, 1993 STR UCTURE REPORTS for 1985 Volume52B Part2 STRUCTURE REPORTS for 1985 Valurne 52B (Part 2) ORGANIC SECTION General editor G. Ferguson Section editor G. Ferguson Published for the INTERNATIONAL UNION OF CRYSTALLOGRAPHY SPRINGER-SCIENCE+BUSINESS MEDIA, B. V. TABLE OF CONTENTS Introduction, VI Transition-metal Compounds (continued), 1103 Subject Index, 1902 Permuted Subject Index, 1993 Formula Index, 2053 Permuted Formula Index, 2078 Author Index, 2102 STRUCTURE REPORTS SECTIONID ORGANIC COMPOUNDS Edited by G. Ferguson with the assistance of C. H. Morgan D. F. Rendie S. J. Rettig S. N. Scrimgeour T. J. R. Weakley C. C. Wilson D. W. Young 2 ARRANGEMENT To find a particular organic or organometallic compound consult one of the indices (subject, permuted subject, formula or permuted formula) at the end of Part 2 of this volume. The general arrangement follows the classification used in the Cambridge Crystallographic Data Base and is: aliphatic or open chain compounds; open chains with N, S; benzene derivatives; c cyclic hydrocarbons; condensed ring systems; heterocyclic compounds; carbohydrates; amino acids; natural products; molecular complexes; organometallic compounds - B, Si, P, AJJ, Sb, groups lA, IIA, III, IV, VI; transition meta! complexes - . . 2180 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The death of Jaroslav Hajek on June 10, 1974 was a heavy loss to many mathe maticians all around the world. The impact of his work on mathematical statistics has been so extraordinary that it has completely changed the character of some fields of this science. Some of his ideas have become a part of the common statistical conSClOusness. Hajek's contribution to statistics includes research in the theory of rank tests, parametric estimation, probability sampling, statistical inference in stochastic processes and various other specializations. His results were always of fundamental character for the corresponding field and they continue to stimulate further research and progress. For proving the results, he developed original methods which are now commonly used for the solution of many related problems. Hajek was an enthusiastic mathematician; the secret of his success was in his love for the subject and in his great sense for practical applications; just practical problems provided him the source of excellent mathematical problems and ideas. We see the best way of commemorating Jaroslav Hajek in the arrangement of the present volume which collects papers of authors whose work is related to Hajek's work and who were friends of him. The authors come from Czechoslovakia, Hungary. the Netherlands, Sweden, U.S.A . U.S.S.R., and West Germany. I wish to thank most cordially all the authors and all who contributed in any way to the success of the publication. 320 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 268 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A NATO advanced Study Institute took place at Bonas from June 14th to June 25th 1976 on 'Digital Image Processing and Analysis'. This book is the lasting result of a successful meeting, where the best specialists of the field could exchange their ideas and results. The papers are arranged so as to present first the more general and tutorial articles and then the more specific ones on applications. The general topics cover two dimensional transforms, techniques of image restoration, recursive filters, segmentation and analysis of image parts, some points of view from psychology and physiology, and problems of software and processing. The application fields concerned are remote sensing, medical applications, TV image compression,and optical character recognition. The editors wish to thank the Scientific Affairs Division of NATO for the edition of this book. Acknowledgment: This ASI has been made possible by the financial support of the NATO Scientific Affairs Division and D. R. M. E. and the material support of IRIA and the Institut de Programmation. VII TABLE OF CONTENTS William K. Pratt Two dimensional unitary transforms 1 T. S. Huang Two-dimensional Fourier transform 23 T. S. Huang Algebraic methods of image restoration 41 S. Castan Image enhancement and restoration 47 T. S. Huang Film grain noise 63 K. G. Beauchamp Two-dimensional recursive digital filtering 69 S. Attasi A new approach to 2D-recursive filtering 81 V. Cappellini Some efficient two-dimensional recursive digital filters 87 T. S. Durrani and C. E. 528 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -There are many natural hazards such as floods, landslides, volcanoes and earthquakes in the Asia-Pacific Region. Nevertheless, there are few studies of such natural hazards in this region and knowledge about their mitigation is of the utmost importance. This book documents the use of geomorphological maps showing the state of flooding; these maps allow predictions to be made. The author has compiled geomorphological maps and documentation of their validation, and the maps allow not only estimation of flooding, but also prediction of soil liquefaction caused by earthquakes. Audience: The results of the discussions in this book apply not only to geographers, consultants, engineers and policy makers in Japan and Southeast Asian countries, but also to those from Europe, North America, and Africa. 192 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The basic partial differential equations for the stresses and displacements in clas sical three dimensional elasticity theory can be set up in three ways: (1) to solve for the displacements first and then the stresses; (2) to solve for the stresses first and then the displacements; and (3) to solve for both stresses and displacements simultaneously. These three methods are identified in the literature as (1) the displacement method, (2) the stress or force method, and (3) the combined or mixed method. Closed form solutions of the partial differential equations with their complicated boundary conditions for any of these three methods have been obtained only in special cases. In order to obtain solutions, various special methods have been developed to determine the stresses and displacements in structures. The equations have been reduced to two and one dimensional forms for plates, beams, and trusses. By neglecting the local effects at the edges and ends, satisfactory solutions can be obtained for many case~. The procedures for reducing the three dimensional equations to two and one dimensional equations are described in Chapter 1, Volume 1, where the various approximations are pointed out. 740 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 452 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 428 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 212 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -From October 15 to 19, 1995 a Workshop on Hetero structureEpitaxyandDeviceswasheldatSmoleniceCastlenear Slovakia'scapital Bratislava. The intention ofthisWorkshop was toestablishandstrengthentiesbetweenscientistsoftheformerly Socialist East and Middle-European states with their colleagues fromtheWesterncountries. WiththisaimtheWorkshopfoundthe financialsupportbyNATOwhichtremendouslyhelpedtofacilitate organizingthemeeting That the Workshop was also a scientific success is evidenced by the present volume comprising a selection of the contributed papers. We are confident that the reader of these Proceedings can convincehimselfofthe highqualityofthe work whose results are presented here. We hope that this and the numerousdiscussionsbetweenthe participants ofthe Workshop will promote cooperations among scientists from the countries representedatthemeeting. It is a pleasure to express our gratitude to NATO and, as representatives ofthe institutions involved in the organization, to Lubomir Malacky (Institute of Electrical Engineering, Slovak Academy of Sciences) and Hergo-Heinrich Wehmann (Institute for Semiconductor Technology, Technical University Braun schweig) whose dedicated work was most essential for the Workshop. A. Schlachetzki J. Novak November1995 xiii SIMULATIONOFIII-VLAYERGROWTH y. ARIMA DepartmentofPhysics, Gakushuin University 1-5-1 Mejiro, Toshima-ku, Tokyo 171, Japan AND T. IRISAWA ComputerCenter, Gakushuin University 1-5-1 Mejiro, Toshima-ku, Tokyo 171, Japan 1. Introduction Since it was reported [1] that the intensities of RHEED for the growing surface of aGaAs crystal in the process of MBE oscillate with a period correspondingto the completion of a monolayer, this phenomenon has been applied to the thin layer growth of man-made superlattices. 340 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The exploration of our Solar System is rapidly growing in importance as a scientific discipline. During the last decades, great progress has been achieved as the result of space missions to planets and small bodies - as teroids and comets - and improved remote-sensing methods, as well as due to refined techniques of laboratory measurements and a rapid progress in theoretical studies, involving the development of various astrophysical and geophysical models. These models are based, in particular, on the approach of comparative planetology becoming a powerful tool in revealing evolu tionary processes which have been shaping the planets since their origin. Comets and asteroids, being identified as remnants of planetary formation, serve as a clue to the reconstruction of Solar System history because they encapsulated the primordial material from which the planets were built up. At the same time, these interplanetary carriers of original matter and mes sengers from the past, being triggered by dynamical processes well outside our neighboring space, were responsible for numerous catastrophic events when impacting on the planets and thus causing dramatic changes of their natural conditions. In the crossroads of astronomy and geophysics, recent years have seen a growing understanding of the importance of collisional processes through out the history of the Solar System and, therefore, the necessity to get more insight into the problem of interactions of planets and small bodies. 372 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -G.I.N. Rozvany ASI Director, Professor of Structural Design, FB 10, Essen University, Essen, Germany Structural optimization deals with the optimal design of all systems that consist, at least partially, of solids and are subject to stresses and deformations. This inte grated discipline plays an increasingly important role in all branches of technology, including aerospace, structural, mechanical, civil and chemical engineering as well as energy generation and building technology. In fact, the design of most man made objects, ranging from space-ships and long-span bridges to tennis rackets and artificial organs, can be improved considerably if human intuition is enhanced by means of computer-aided, systematic decisions. In analysing highly complex structural systems in practice, discretization is un avoidable because closed-form analytical solutions are only available for relatively simple, idealized problems. To keep discretization errors to a minimum, it is de sirable to use a relatively large number of elements. Modern computer technology enables us to analyse systems with many thousand degrees of freedom. In the optimization of structural systems, however, most currently available methods are restricted to at most a few hundred variables or a few hundred active constraints. 1244 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The task.- The growth in numbers of cars.- The number of broken-down cars.- Broken-down cars and volumes of scrap.- The problem of domestic appliances.- The developments in steelmaking processes and their effect on the demand for scrap.- Requirements deriving from the scrap market.- Requirements of the steel industry concerning scrap qualities.- The effects of scrap properties on the steel quality.- The collection of broken-down cars and appliances.- Scrap preparation techniques.- Shredding.- Costs inherent in the shredding process.- The role of transport costs.- The cold shredder; a special method.- Old tyres and their disposal.- Legal questions in the marginal field of economy and ecology. 104 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 136 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Organometallic Ion Chemistry features eight chapters, written by acknowledged authorities, covering the gas-phase chemistry of organometallic ions. Topics covered include: periodic trends in gas-phase thermochemistry of transition metal-ligand systems; ab initio calculations to determine electronic structure, geometric structure, and thermochemistry of metal-containing systems; electronic state effects on metal ion reactivity; organometallic ion photochemistry; applications of gas-phase electron transfer equilibria in organometallic redox thermochemistry. Also included are state of the art mass spectrometric instrumentation used in such studies. Finally, the book features - for the first time in one place - a comprehensive list (containing over 1500 entries) of metal ion-ligand bond energies, obtained from theory and experiment.An invaluable reference source for ion chemists, organometallic chemists and surface chemists, at both expert and graduate student levels. 352 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Proceedings of the 119th Symposium of the International Astronomical Union, held in Bangalore, India, December 2-6, 1985 632 pp. Englisch.