Springer netherlands springer okt 2011 (Oltre 1700 risultati)

Taschenbuch. Condizione: Neu. Neuware -Many historians have concerned themselves with the founding of the German Empire in 1871 and the means used to unite the disparate sections of Germany, many of which had older traditions than did Bismarck's Prussia. Understandably writers have given more attention to the victor than to the vanquished. Except for polemicists who seek to prove the wrong done or to vindicate the action taken, scholars have been interested in writing about trends which were to become significant in the new Reich, about the new governmental structure itself, and about the diplomacy and statesmanship which were used to form the new German nation-state. But the consolidation of many diverging strands of political, economic, and social traditions in the new state left many issues unsolved and in fact seemed to create new ones. Many of these problems, while not overtly affecting the basic outline of German history, have nonetheless influenced it and have become at times serious matters of concern for the Reich Chancellor. One of the problems was the threat of particularist sentiment to the national unity which Bismarck was trying to create. Although there was an awareness among some nineteenth century Ger mans of a specific German nationality, the majority of people did not think in terms of a German unity but regarded themselves as Bavarians, Saxons, or belonging to some other Stamm, or tribal subdivision of the Germans.…

Taschenbuch. Condizione: Neu. Neuware -The design and assessment of modern high temperature plant demands an understanding of the creep and rupture behaviour of materials under multi axial stress states. Examples include thread roots in steam turbine casing bolts, branch connections in nuclear pressure vessels and blade root fixings in gas or steam turbine rotors. At one extreme the simple notch weakening/notch strengthening characterization of the material by circumferentially vee-notched uniaxial rupture tests, as specified in many national standards, may be sufficient. These were originally intended to model thread roots and their conservatism is such that they frequently are considered adequate for design purposes. At the other extreme full size or model component tests may be employed to determine the safety margins built into design codes. This latter approach is most commonly used for internally pressurized components, particularly where welds are involved. However, such tests are extremely expensive and the use of modern stress analysis techniques combined with a detailed knowledge of multiaxial properties offers a more economic alternative. Design codes, by their nature, must ensure conservatism and are based on a material's minimum specified properties. In the case of high temperature components the extension of life beyond the nominal design figure, say from 100000 to 200000 h, offers very significant economic benefits. However, this may require a more detailed understanding of the multiaxial behaviour of a specific material than was available at the design stage.…

Taschenbuch. Condizione: Neu. Neuware -Technology transfer has a long history, but only recently has it become the subject of study and action. The rapid rate of scientific and technical advance in both Europe and the United States and the existence of large technology gaps among nations has brought the importance of the process into sharper focus, and has c~used technology transfer to have implications for countless aspects of both national and international develop ment. Technology transfer has been variously defined as: the process of information transfer between science, technology and actual utilization of scientific data and ideas, to wit: production of goods and services; the process by which science and technology are diffused throughout human activity; the transfer of research results into operations; the process by which technical information originating in one setting is adapted for use in another setting. Collectively, these and other definitions share a common theme which characterizes the process as one of bringing technology i'ilto widespread use in solving mankind's problems in the shortest practical time. The first NATO Advanced Study Institute (ASI) on Technology Transfer in July, 1973, brought together many of the individuals dealing with quantitative data, based on empirical research. This conference had both the advantages and disadvantages of a somewhat detached point of view. The ASI also had lectures contributed by representatives from government agencies and corporations (and a few university-based scholars) who had been active as practitioners or consultants in policy-making and organizational design for technology transfer.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1. 1. Motivation This book is based on the view-tx)int that both public and private decision making, in practice, can often be ilrproved upon by means of fonnal (nonnative) decision nodels and methods. To sane extent, the validity of this statement can be measured by the irrpressive number of su=esses of disciplines as operations research and management science. Hcwever, as witnessed by the many discussions in the professional journals in these fields, many rrodels and methods do not completely meet the requirements of decision making in prac tice. Of all possible origins of these clear shortcomings, we main- ly focus on only one: the fact that nost of these nodels and methods are unsuitable for decision situations in which multiple and possi bly conflicting objectives playa role, because they are concentra ted on the (optimal) fulfilment of only one objective. The need to account for multiple goals was observed relatively early. Hoffman [1955], while describing 'what seem to be the prin cipal areas (in linear prograrrrning) where new ideas and new methods are needed' gives an exanple with conflicting goals. In this pro blem, the assignrrent of relative weights is a great problem for the planning staff and is 'probably not the province of the mathemati cian engaged in solving this problem'. These remarks were true pre cursors of later develor:nents. Nevertheless, the need for methods dealing with multiple goals was not widely recognized until much later. 276 pp. Englisch. …

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Until the nineteenth century Jacques-Auguste de Thou (1553-1617) was among the most famous and most valued of historians. While his first fame was a succes de scandale - the History of His Time was placed on the Index in 160g - de Thou's work quickly found favor with the humanistically-educated learned class throughout Europe. The esteem in which the History was held transcended religious divisions. The historian received letters of praise from staunchly orthodox Spain and Portugal as well as from heretic England and Germany; through the seventeenth and eighteenth centuries his History was read with enthusi asm by certain cardinals at the very curia which condemned it; and so staunch a champion of orthodoxy as Bishop Bossuet did not hesitate to appeal to 'such a great author' for support in his own historical works. ! To the philosophe of the Enlightenment de Thou's impartiality in de scribing the impassioned times through which he lived and the exact yet eloquent style with which he wrote the History of His Time were familiar touchstones. Voltaire appealed to the 'truthful and eloquent de Thou' again and again in his works,2 William Pitt rose in the House of Commons to quote the words of the 'great historian of France' during the early years of the French Revolution,3 Lessing 4 and Herder 5 praised him with poetic hyperbole, and Edward Gibbon re ferred to 'the authority of my masters, the grave Thuanus and the philosophic Hume . . . . 368 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present book collects seven studies on the grammatical aspects of number names. No attempt has been made to unify the notation, but all authors work from a generative viewpoint. Each contribution chosen gives more than just a description of the number name system in a certain language. Thus, the linguist interested in simplicity, types of transformations, functional rules, tagmemic rules, comparisons be tween languages, or language universals may profit from this collection. H. BRANDT CORSTIUS v T ABLE OF CONTENTS A. V AN KA TWIJ K / A Functional Grammar of Dutch Number Names 1 BARRON BRAINERD / On the Syntax of Certain Classes of Numerical Expressions 9 BARRON BRAINERD / A Transformational-Generative Grammar for Rumanian Numerical Expressions 41 BARRON BRAINERD and FRED C. C. PENG / A Syntactic Comparison of Chinese and Japanese Numerical Expressions 53 RANI SIROMONEY / Grammars of Number Names of Certain Dravidian Languages 82 WILLIAM R. MERRIFIELD / Number Names in Four Languages of Mexico 91 HUGO BRANDT CORSTIUS / Automatic Translation between Number Names 103 VII A. VAN KATWIJK A FUNCTIONAL GRAMMAR OF DUTCH NUMBER NAMES At the present time there are quite a number of generative grammars for numerical expressions. Brainerd (1967) even mentions the possibility of giving 'a complete description of systems of numerical expressions in any language', where the transformation theory of number names provides a framework for discussions of a number of universals. He also refers to the advantages of completeness of descriptions being possible in these grammars. 136 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -International trade is vital to the well-being of the international market. No textbook suited virtually every nation, because no nation is my purpose, so I set about to write one. capable of satisfying its material needs beyond the subsistence level entirely from domestic My first task was to define my terms-tar iffs, non-tariff barriers, shipping terminology, resources. As a nation's technology advances and edu etc. As this labor progressed over many cational levels improve, heavy industry and months, it became evident there was need for manufacturing are often supplanted by serv an encyclopedic reference work which fo ice industries, as evidenced by the economies cused upon international trade. My enquiries of Europe, North America, and Japan. The having divulged no similar work in English, I shift to a service economy increases import decided to concentrate efforts upon an reliance, especially in the areas of consumer encyclopedia. products and basic industrial commodities, In selecting entries, it was my intention to such as steel. This transition creates opportu provide the reader with a cross section of nities-in the form of new markets and lower terminology of the various aspects of interna unit costs-but also begets confrontation as tional trade-marketing, taxation, shipping, lower priced imports displace domestic work law, accounting, etc. Each entry, it is hoped, is ers, and charges of unfair competition congeal sufficiently descriptive to define the topic ade into protectionist policies. quately, without extraneous detail or digres Unfortunately, the process of international sion. 408 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book grew out of a 'Doctorat D'Etat' thesis presented at the University of Dijon-Institut Mathematique Economiques (lME). It aims to show that quantity rationing theory provides the means of improving macroeconometric modelling in the study of struc tural changes. The empirical results presented in the last chapter (concerning Portuguese economy) and in the last Appendix (con cerning the French economy), although preliminary, suggested that the effort is rewarding and should be continued. My debts are many. An important part of the research work was accomplished during my visit to the Institut National de la Statistique et des Etudes Economiques (lNSEE, Paris), where I have beneficted from stimulating discussions (particularly with P. Villa) and infor matical support. I have also received comments and suggestions from R. Quandt, J.-J. Laffont, P. Kooiman and P.-Y. Henin. I am specially indebted to P. Balestra for encouraging and valuable discussions, particularly in the field of econometric methods. My thanks go also to an anonymous referee. His constructive criticism and suggestions resulted in a number of improvements to an earlier version of this book. I cannot forget my friend A. Costa from BP A (Porto) who has helped me in the preparation of this work. Last but not least, I would like to thank my wife for her encouragement and patience throughout these years. Of course, I am the only one responsible for any remaining errors. 276 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Now that this book is being published as part of Hartinus Nljho Pds. Pds. ' s 'Studies in Industrial Organization'. I should like to point out two fac tors which strongly influenced the study. There would have been no project on this scale if the Peace Research coamittee of the Free University, Amsterdam, had not coamissioned a major empirical investigation into Western Europe'an defence industries and pro vided the funds and facUities needed to carry it out. I am grateful for this, for the committee's confidence and its patience, and for the unfail ing support of the secretaries at the Department of International Relations. The study was also submitted and approved as a doctoral dissertation at the Free University. I am deeply endebted to my supervisors, H.W. de Jong (University of Amsterdam). A.J. Vermaat (Free University), and G. Junne (University of Amsterdam). who gave me all the guidance and the encourage ment I needed. to H. Coppens and G. Faber. who were a constant source of advice and support. and to N. Brown (Birmingham University), F. Barnaby. and Th. van den Hoogen (Groningen University). who offered their comments on several occasions. 420 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book contains the Proceedings of a symposium that was held in Rotterdam from 12 to 15 January 1982 to celebrate the 25-th anniversary of the Econometric Institute of the Erasmus University. The subject of the symposium, developments in econometrics and related fields, was particularly appropriate for the occasion. In 25 years the research carried out at the Econometric Institute developed from the original seminal work in econometrics, carried out under the supervision of the first director H. Theil, to embrace related areas such as mathematical economics, operations research, systems theory and other branches of mathematics, statistics and probability theory. To review the state of the art in these areas, thirteen leading experts were invited to deliver a lecture at the symposium; their contributions form .the backbone of this book. Together, they illustrate the wide range and scope of the current scientific activity in these fields. The thirteen authoritative surveys should be of great value to researchers and students alike, who want to become acquainted with recent ideas, current trends and future developments in their chosen fields of interest. Each contribution is preceded by an introduction to the author and his work and followed by a summary of the discussion that followed the lecture. A special chapter is devoted to the history of the Econometric Institute. 368 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1 ¿ A New Industrial Organization Approach.- 1.1. Introduction.- 1.2. Production Functions and Governance Functions.- 1.3. The Effects of Telematics on the Governance Function.- 1.4. Telematics and Alternative Modes of Governance.- 2 ¿ The Emergence of the Network Firm.- 2.1. The Adoption of Telematics.- 2.2. The Uses of Telematics.- 2.3. The Network Firm.- 2.4. A Generalization.- 3 ¿ Manufacturing Networks: Telematics in the Automotive Industry.- 3.1. From Mass Production to Flexible Production.- 3.2. The Fiat Group Case.- 3.3. Telematics in the Logistic Function.- 3.4. Telematics in the Engineering and Production Planning Functions.- 4 ¿ Networks Between Manufacturing and Demand: Cases From Textile and Clothing Industries.- 4.1. Manufacturing Flexibility and Interaction with Consumers.- 4.2. Manufacturing Networks and Market Networks: The Benetton Case.- 4.3. Internationalization of Technological Assets and Demand Monitoring: The Miroglio Case.- 4.4. Shrinking Idle Times, Decreasing Working Capital and Growing Flexibility: The GFT Case.- 4.5. Problems and Perspectives.- 5 ¿ Area Networks: Telematic Connections in a Traditional Textile District.- 5.1. The Role of Telematics in Industrial Districts.- 5.2. Telematic Experiments in the Prato District.- 5.3. Problems and Perspectives.- 6 ¿ Interorganizational Networks and Market Structures.- 6.1. The Interorganizational Networks.- 6.2. The Impact of Telematics on Competitive Strategies and Market Structures.- 6.3. The Econornic Role of Standards.- 6.4. Voluntary versus Compulsory Standards.- 7 ¿ Supply Conditions of Telematic Network Services and Public Policy Implications.- 7.1. Technological and Supply Push versus Demand Pull in Telematic Diffusion.- 7.2. Information Quality, Supply Conditions and Demand Factors in Telematic Diffusion: A Matrix.- 7.3. Technological Factors.- 7.4. Institutional Context, Telecornmunication Supply and Marketing Factors.- 7.5. The Structure of Value Added Network and Services in Some Industrial Countries: The Italian Paradox.- 7.6. Conclusions and Policy Implications. 172 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Peter P. Eggleton and James E. Pringle Institute of Astronomy Madingley Road Cambridge England The 1970's can be described, in retrospect, as the 'Decade of the Close Binary'. Exciting observations with new technology, combined with classical work, both observational and theoretical, convinced the astronomical world that binary interaction of various kinds is not only interesting but common. Indeed, by 1975 almost anything unusual had a good chance of being interpreted as due to binary interaction. But astronomers are seldom overwhelmed by speculation, even their own, and solid observational work has confirmed or refuted such speculation, without regard to its plausibility. For instance, binarity has been found where it was perhaps least expected, in Barium stars, and refuted where it could most reasonably be expected, in Wolf-Rayets. Unfortunately, many other classes of potential binaries remain without the clearest evidence of binarity, for instance Be stars, symbiotics and blue stragglers. This Advanced Study Institute was held to commemorate John Whelan (1945-1981), whose scientific career, sadly cut short in its prime, did much to further the careful study, theoretical and observational, of close binaries, as well as to encourage the spirit of international friendship and collaboration. His own interests covered a greater field, but 'Interacting Binaries' seemed a reasonable restriction. We publish here 15 review talks, which still do not cover the whole topic, although they range widely. 420 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Each May, the Continuing Education Division of the T.J.Watson School of Engineering, Applied Science and Technology at the State University of New York at Binghamton sponsors an Annual Symposium in Electronics Packaging in cooperation with local professional societies (IEEE, ASME, SME, IEPS) and UnlPEG (the University-Industry Partnership for Economic Growth.) Each volume of this Electronics Packaging Forum series is based on the the preceding Symposium, with Volume Two based on the 1990 presentations. The Preface to Volume One included a brief definition of the broad scope of the electronics packaging field with some comments on why it has recently assumed such a more prominent priority for research and development. Those remarks will not be repeated here; at this point it is assumed that the reader is a professional in the packaging field, or possibly a student of one of the many academic disciplines which contribute to it. It is worthwhile repeating the series objectives, however, so the reader will be clear as to what might be expected by way of content and level of each chapter. 472 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Based on a number of collaborative efforts between basic researchers and clinicians from different institutions in Leiden, this book covers the initial and promising results of these efforts. The role of the endothelium, especially of the coronary intravascular species is a relatively new and fascinating development in the diagnosis and treatment of cardiac disease. Three major aspects of endothelial function receive attention in this volume: its regulatory role in myocardial function, evidence for which is gradually forthcoming, with possible great implications for disease states such as volume overload and failure its role in the calcium metabolism of vascular smooth muscle cells and the effects of calcium antagonists and the endothelial dysfunction generated by coronary angioplasty and its possible restoration by cholesterol reduction. The topic of imaging atherosclerotic lesions in the coronary arteries is discussed with the emphasis on advanced methods: single photon emission computed tomography (SPECT), positron emission tomography (PET), and magnetic resonance imaging techniques. A wholly new development is the characterization of the atherosclerotic lesion by Raman spectroscopy using a laser beam to illuminate the vascular wall. Various aspects of inflammation related to the pathogenesis of acute coronary syndromes, in particular unstable angina, are illuminated, as well as the role of blood-borne substances as risk factors for atherosclerosis. Transgenic mice carrying the gene for human APOE\*3 Leiden are being used successfully to study the environmental and genetic factors that influence the remnant lipoprotein metabolism. Possibilities for gene therapy to treat atherosclerosis in the clinic are being investigated in animal models. Finally, as the book is based on 50 years of Cardiology in Leiden, the history of its development up to the present day is the topic of a separate chapter. This book is intended for cardiologists, internal medicine specialists, nuclear medicine specialists, thoracic surgeons, cardiovascular radiologists and basic scientists in the field of the cardiovascular system. 248 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -One of the ultimate goals of materials research is to develop a fun damental and predictive understanding of the physical and metallurgical properties of metals and alloys. Such an understanding can then be used in the design of materials having novel properties or combinations of proper ties designed to meet specific engineering applications. The development of new and useful alloy systems and the elucidation of their properties are the domain of metallurgy. Traditionally, the search for new alloy systems has been conducted largely on a trial and error basis, guided by the skill and intuition of the metallurgist, large volumes of experimental data, the principles of 19th century thermodynamics and ad hoc semi-phenomenological models. Recently, the situation has begun to change. For the first time, it is possible to understand the underlying mechanisms that control the formation of alloys and determine their properties. Today theory can begin to offer guidance in predicting the properties of alloys and in developing new alloy systems. Historically, attempts directed toward understanding phase stability and phase transitions have proceeded along distinct and seemingly diverse lines. Roughly, we can divide these approaches into the following broad categories. 1. Experimental determination of phase diagrams and related properties, 2. Thermodynamic/statistical mechanical approaches based on semi phenomenological models, and 3. Ab initio quantum mechanical methods. Metallurgists have traditionally concentrated their efforts in cate gories 1 and 2, while theoretical physicists have been preoccupied with 2 and 3. 672 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This ASI was planned to make a major contribution to the teaching of the principles and methods used in liquid phase ~esearch and to encourage the setting up of collaborative projects, as advocated by the European Molecular Liquids Group (secretary: Dr J. Yarwood, University of Durham, U. K. ). During the past five years considerable progress has been made in studying molecular liquids. The undoubted advantages of international collaboration led to the formation of the European Molecular Liquids Group (EMLG) in July 1981. The activities of the EMLG were widely disseminated in a special session of the European Congress on Molecular Spectroscopy (EUCMOS) held in September 1981 (for details, see J. Mol. Structure, 80 (1982) 375 - 421). Following the success of this meeting, it was thought that the aims and objectives of the E~G would be best served by the organisation of a broader-based gathering designed to attract those interested in the study of the structure, dynamics and interactions in the liquid state. Thanks to the generous support by the Scientific Affairs Division of NATO, it was possible to hold a NATO ASI on Molecular Liquids at the Italian Centre of Stanford University, Florence, Italy during June-July 1983. This book is based on the lectures presented at that meeting. The contents of this volume cover the three broad areas of current liquid phase research: (a) Analytical theory. 600 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -W. TH. DAEMS This volume contains the papers presented at a Boerhaave Course for Post graduate Education on The cell-biological aspects of disease: the plasma membrane and lysosomes. One of the purposes of this introduction is to explain the reasons for this choice of subject. The first question which might be asked - why a postgraduate course on the cell biological aspects of disease was considered neccessary - is not difficult to answer: the impact of the basic sciences on medicine is im measurably strong, and among these sciences cell biology has contributed immensely to the advances made in medicine during recent decades. It has provided clues leading to general insights into etiology and pathogenesis as well as to the development of diagnostic tools and a basis for therapeutic methods. These insights derived mainly from the still-increasing body of knowledge about the architecture of cells. Initially, this knowledge arose from the notion that cells are either simply bags full of enzymes or complex sponge like structures in which all organelles are permanently interconnected (Fig. 1). Later, this notion was replaced by a highly schematized picture of the cell as an essentially two-compartment structure (Fig. 2) in which cell organelles are discrete units separated from each other by membranes, enabling each organelle to maintain an internal microenvironment with optimal conditions for its specific metabolic pro cesses. 352 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The book contains the proceedings of The Warsaw Colloquium on Instrumental Conditioning and Brain Research held in Jablonna near Warsaw on May 1-5, 1979. The proceedings are also published in the sixth issue of 1979 and the first issue of 1980 of Acta Neurobiologiae Experimentalis. Three papers published later, in the fourth issue of 1980, are also included. The aim of this Symposium was to honour the memory of the great Polish neurophysiologist Jerzy Konorski and the sixtieth anniversary of the Nencki Institute, where Professor Konorski has created his school. Forty-five papers, prepared mainly by Konorski's pupils and scientific friends, cover several fields of current brain research. To each of them Professor Konorski contributed significantly. In fact, many presented papers have been strongly influenced by his scientific ideas. Perhaps the most conspicuous feature of the Symposium was its very international character due to numerous participants from both East and West. As such, the Symposium is a worthy symbol of the aehievements of both Jerzy Konorski himself and the Neneki Institute as a whole in the field of cooperation of scientists from East and West. Scientific sessions were held in the mornings and afternoons. In the evenings the participants mutually read and commented their papers. Moreover, colleagues from the USA and Great Britain eorrected the English of the manuscripts. In partieular Prof. J. F. Brennan, Prof. 764 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the proceedings of the USA-Japan Joint Seminar on 'Fracture Mechanics of Ductile and Tough Materials and Its Applications to Energy Related Structures'. The seminar was supported jointly by the National Science Foundation of the United States and the Japan Society for the Promotion of Sciences. The seminar was held from November 12th to 16th, 1979, at Hayama, Japan, a picturesque resort town by the beach of Sagami Bay facing Mt. Fugi. The safety and integrity of the engineering structures for energy explora tion, energy production, and energy transportation are of utmost importance to our welfare. Both the United States and Japan are at the forefront of the re search on fracture mechanics and its applications to fracture prevention. Dur ing the past few years, major research efforts have been made in the areas of non-linear fracture mechanics and its applications to fracture initiation, slow crack growth, creep and fatigue. This joint seminar offered an unique opportunity for detailed exchange of information on current researches and fu ture efforts. 340 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The aim of the present book will be to provide a comprehensive account of our present knowledge of the theory of dynamical phenomena exhibited by elose binary systems; and on the basis of such phenomena as have been attested by available observations to outline probable evolutionary trends of such systems in the course of time. The evolution of the stars - motivated by nuelear as weIl as gravitation al energy sources - constitutes nowadays a well-established branch of stellar astronomy. No theo ries of such an evolution are as yet sufficently specific - let alone infallible - not to require continual tests by a confrontation of their consequences with the observed prop erties of actual stars at different stages of their evolution. The discriminating power of such tests depends, of course, on the range of information offered by the test objects. Single stars which move alone in space are now known to represent only a minority of objects constituting our Galaxy (cf. Chapter 1-2); and are, moreover, not very revealing of their basic physical characteristics - such as their masses or absolute dimensions. If there were no binary systems in the sky, the only star whose vital statistics would be fully known to us would be our Sun. 532 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Practical reservoir engineering techniques have been adequately described in various publications and textbooks, and virtually all useful techniques are suit able for implementation on a digital computer. Computer programs have been written for many of these techniques, but the source programs are usually not available in published form. The purpose of this book is to provide a central source of FORTRAN-coded algorithms for a wide range of conventional reservoir engineering techniques. The book may be used as a supplementary text for courses in practical reservoir engineering. However, the book is primarily intended for practicing reservoir engineers in the hope that the collection of programs provided will greatly facil itate their work. In addition, the book should be also helpful for non-petroleum engineers who are involved in applying the results of reservoir engineering analysis. Sufficient information is provided about each of the techniques to allow the book to be used as a handy reference. ix INTRODUCTION This book provides many of the useful practical reservoir engineering (conven tional) techniques used today in the form of FORTRAN codes. The primaI:y objectives have been to provide the simplest possible method for obtaining reli able answers to practical problems. Unfortunately, these codes can usually be applied by simply following a cookbook approach. However, if at all possible, the solutions obtained should be verified and cross-checked by some other means and, most important, should be checked for reasonability. 240 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Reproductive wastage is a major inefficiency in all livestock production with embryonic mortality accounting for a major portion of this loss. Accordingly the Commission of the European Communities encouraged the organisation of a seminar on embryonic mortality in farm animals which was held in Brussels on the 11th and 12th of December 1984. This book contains the text of the papers, discussions and final summary presented at that Seminar. As a background to the Seminar, the extent and timing of embryonic loss was described for farm animals. Particular consideration was then given to the various mechanisms and signals, both embryonic and uterine in origin, that are so far known to be involved in the establishment of pregnancy. Possible causes of embryonic death including physiological, endocrinological, genetic and immunological components were outlined and discussed. The final summary contains general conclusions from the Seminar and recommendations for future research work on this topic. J.M. Sreenan M.G. Diskin July 1985. \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* THE EXTENT AND TIMING OF EMBRYONIC MORTALITY IN THE COW J. M. Sreenan & M. G. Diskin, The Agricultural Institute, Belclare, Tuam, Galway, Ireland ABSTRACT The extent and timing of embryonic mortality in heifers, normal cows and repeat breeder cows has been reviewed. 292 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The contents of this volume are based on the U.S.-Japan Seminar on the Dynamics of the Middle Atmosphere, held at the East-West Center of the University of Hawaii, Honolulu, Hawaii, 8-12 November 1982. The seminar was jointly sponsored by the United States National Science Foundation and the Japan Society for the Promotion of Science. The participants included eleven scientists from the U.S.A., eleven from Japan, and one from Australia. In recent decades the meteorology of the middle atmosphere has become a subject of increasing research activity. Much of this acti vity has been stimulated by concern about possible anthropogenic per turbations of the stratospheric ozone layer, and also possible linkages with climatic fluctuations. Observational and theoretical efforts to study the dynamics, physics, and chemistry of the middle atmosphere have recently intensified on an international basis with the beginning of the Middle Atmosphere Program (MAP). Thus the Seminar was very timely. 556 pp. Englisch. …

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Third International Symposium on `Structure and Function of Roots', NITRA, Czechoslovakia, August 3-7, 1987 296 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Free-radical reactions have been for long time the domain of the physical chemists and the basic chemical industry (polymerization of vinyl monomers, oxidation by molecular oxygen, chlorination of methane etc.), where the use of simple molecules and the possibility of partial conversions without heavy problems of product separations makes less dramatic the aspects of regio and chemoselectivity. As synonym of unselectivity, free radical reactions were considered of poor use in the synthesis of fine chemicals or sophisticated molecules, where a high selectivity is an essential condition for the success, or in the involvement of biological processes. Within the last 15 years, however, an authentic explosion of synthetic applications of free radical reactions occurred; they have gained a remarkable position among the selective methods of synthesis. At the same time the great importance of free radical reactions in fundamental biological processes and in the metabolism of drugs has been recognized. Thus a specialized meeting on these topics was generally felt appropriate. I had the honour and the onus to organize this workshop because for more than 30 years I have been involved in the research of free radical reactions. Thanks to a generous grant from NATO Scientific Affairs Division and the financial support of CNR and chemical industry (Montedison, Enichem, Zambon) such a meeting among almost 50 specialists and 15 observers of sufficient standard to take advantage of the discussion, became possible at Bardolino (Italy). 508 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Walter C. J. ROSS Emeritus Professor, University of London To paraphrase a statement made by Howard E. Skipper many years ago, 'We cancer chemotherapists have often exploited and overworked our chemist colleagues and they have been conveniently forgotten at award giving times'. This book is an attempt to rectify this and highlight the contribution of the chemist in modifying the structure of various types of agent to enhance their effectiveness as inhibitors of the growth of neoplastic tissues. Cancer chemotherapy is a relatively new discipline, coming later than the introduction of sulphonamides and antibiotics. Modern anti-cancer therapy started with the report of the use of a war gas methyl-di-(2-chloroethyl)amine (HN2) in 1946 for the treatment of Hodgkin's disease. The recognition that this compound acted as a bifunctional alkylating agent under physiological conditions led to the synthesis of a wide range of drugs with similar properties. Amongst these were chlorambucil, melphalan, busulphan, and cyclophos phamide which still find use today. Somewhat later, a range of antibiotics was found to be effective, for example aminopterin (1948) and 6-mercaptopurine (1958) to treat acute leukaemias and 5-fluorouracil and 6-azauracil (1957-8) which were used against a variety of cancers. Since these early days the net has been cast ever wider and, as well as ingenious modifications of the compounds mentioned above, anticancer drugs now include growing classes of compounds ranging from purely synthetic agents to natural products. Many of these are discussed in the present book. 456 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The ocean floor spreading theory was proposed during 1961 and 62 by Robert Dietz and Harry Hess. This concept was a revolutionary one, and renewed the scientists thoughts on the dynamics of the ocean bottom. Then, for example, the coincidence of the Wadati-Benioff Zone with the subduction zone proposed by new concept was well understood. Further development of the ocean floor spreading theory was the proposal of new concept 'plate tectonics' proposed by Xavier LePichon and by a few others during 1967 and 68. This new idea could solve the various conflicts involved in the 'ocean floor spreading theory'. Therefore, today, scientists understand that the plate tectonics theory was born by the ocean floor spreading theory, which is able to cover the weak points of the latter. D/V Glomar Challenger started her Leg Ion 20 July, 1968 from Orange, Texas to implement the Deep Sea Drilling Project. The timing almost coincided with the proposal period of the plate tectonics. After carrying out a few legs of the drilling operations, the results obtained by D I V Glomar Challenger well proved the rightness of the newly proposed theories of the ocean floor spreading and the plate tectonics. For us, the successful processes started by the ocean floor spreading theory, improved by the concept of plate tectonics and proved by the DSDP results have been a golden monument in the field of earth sciences probably for several centuries. 952 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This study, the first in an intended series of anatomical investigations of the blister beetles, was undertaken primarily for the purpose of determining the changes that occur in the skeletal musculature during postembryonic larval development. The species studied, Epicauta segmenta (Say), like others belong ing to the coleopterous family Meloidae, is characterized by hypermetamor phosis (SELANDER and WEDDLE, 1969). The egg develops into an active, well sclerotized larva that searches for grasshopper eggs, which, as in the case of all species of Epicauta, serve as the sole larval food. This triungulin phase of the larval stage, as it is called, is followed by the first grub phase (Fig. 1), during which the larva continues to feed and undergoes several molts. After feeding is completed the larva commonly enters a sessile, diapausing coarctate phase in which the integument is heavily sclerotized and the appendages, including the legs, are vestigial (Fig. 2). Following this the larva attains an active second grub phase (Fig. 3) closely resembling the first grub phase in external anatomy. Normally, the second grub phase leads directly to pupation and the formation of the adult. An alternate, abbreviated developmental pattern, involving pupation immediately after the first grub phase, is also recorded in this and many other species of Epicauta. 120 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Safety and efficacy of radiopharmaceuticals are elements of great importance in nuclear medicine. Since the first meeting in 1965 in Oak Ridge with the title Radiopharmaceuticals tremendous developments have taken place. In 1965 the whole technetium-99m area was just in its very beginning. Safety and efficacy of the non-radioactive pharmaceuticals have attracted great attention during the last 10 years and so have similar aspects of radiopharmaceuticals during the later years. Regulatory agencies are extending their work also to the preparation of radiopharmaceuticals at hospitals and to requirements for registration of radiopharmaceuticals. In a fast developing field there might be tendencies to confrontation between interests and there have certainly been some tendencies to put undue restrictions on the use of radio pharmaceuticals due to the lack of understanding between the industry and the regulatory authorities and between regulatory authorities and hospitals. Much of this may have been due to lack of information and certainly is due to the lack of fundamental scientific knowledge in many radiopharmaceutical aspects. A fast and safe introduction of new radio pharmaceuticals and the proper handling of these requires a lot of development work, but also an understanding of how general principles from the non-radioactive drug field may be sensibly transformed into the radiopharmaceutical area. It may even require compromises between requirements for safety in different areas such as radiation protection and pharmaceutical aspects. 400 pp. Englisch.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The first helium star was discovered in 1942, the first scientific meeting on the subject, however, took place in 1985. The meeting was hence long overdue for, in the meantime, a substantial amount of material had been accumulated by a rather small, but active scientific community. Hence, it appeared necessary to review the field in order to define the subject, assess its present status and discuss future developments. Hydrogen deficiency is a widespread phenomenon, occurring in a large variety of stellar and nonstellar objects. It can be readily detected in B stars as these exhibit both hydrogen and helium lines, if the elements are present in appreciable amounts. It becomes less manifest in cool stars, where the temperature is too low to excite helium and where one has to devise indirect methods for proving hydrogen deficiency. Clearly, it was not possible to discuss the whole complex of hydrogen deficiency, i.e. in both stars and diffuse matter, but rather to concentrate on the issue of helium stars. 532 pp. Englisch.…