Metallogeny of Tin attempts to develop a general metallogenic model for tin in identifying the essential or relevant processes in tin ore formation. The methodological principle is based on an interplay between a background of basic petrogenetic concepts and a number of specific local and regional data on tin deposits and tin provinces. The author condenses the many apparently specific complexities encountered in individual ore deposits to a few major processes of general importance.
This book explores a domain of discourse processing referred to as 'interactive grammar', based on an analysis of grammatical descriptions of over 100 languages spoken across the world. While much previous work has treated interactive grammar as a fairly marginal part of language, Bernd Heine describes it here as a distinct category that contrasts with sentence grammar both in its functions and its structural behavior. He identifies ten types of interactives - i.e. extra-clausal expressions of linguistic discourse: attention signals, directives, discourse markers, evaluatives, ideophones, interjections, response elicitors, response signals, social formulae, and vocatives. The analysis reveals that speakers make use of two contrasting modes for structuring their discourses, both of which are needed for successful communication: one is sentence grammar, which has a propositional format and analytic organization; the other is interactive grammar, which has a holophrastic organization and a focus on social communication. While the argument structure of sentence grammar is shaped by the propositional format of sentences, that of interactive grammar is shaped by the indexical nature of the situation of discourse. This distinction shows interesting correlations both with findings from neurolinguistic studies on differential activity in the two hemispheres of the human brain, and with observations from social psychology on the differences between systems of reasoning and judgment.
“An interesting, well-documented overview of Cold War espionage in Berlin” including photographs (Studies in Intelligence). For almost half a century, the hottest front in the Cold War ran through Berlin. From summer 1945 until 1990, the secret services of NATO and the Warsaw Pact fought an ongoing duel in the dark. Throughout the Cold War, espionage was part of everyday life in both East and West Berlin, with German spies playing a crucial part of operations on both sides: Erich Mielke’s Stasi and Reinhard Gehlen’s Federal Intelligence Service, for example. The construction of the wall in 1961 changed the political situation and the environment for espionage—the invisible front was now concreted and unmistakable. But the fundamentals had not changed: Berlin was and would remain the capital of spies until the fall of the Berlin Wall, a fact that makes it all the more surprising that there are hardly any books about the work of the secret services in Berlin during the Cold War. Now in this compelling volume, journalist Sven Felix Kellerhoff and historian Bernd von Kostka describe the spectacular successes and failures of the various secret services based in the city. “Engaging and useful.” —Journal of Military History
This book presents the status quo of the structure, preparation, properties and applications of tetrahedrally bonded amorphous carbon (ta-C) films and compares them with related film systems. Tetrahedrally bonded amorphous carbon films (ta-C) combine some of the outstanding properties of diamond with the versatility of amorphous materials. The book compares experimental results with the predictions of theoretical analyses, condensing them to practicable rules. It is strictly application oriented, emphasizing the exceptional potential of ta-C for tribological coatings of tools and components.
Natural Products in the Chemical Industry is not a conventional textbook, but rather an invitation to join an entertaining journey that takes you into the fascinating world of natural products. This book features diverse compound classes from a number of areas: colourants, fragrances and flavourings, amino acids, pharmaceuticals, hormones, vitamins and agrochemicals. Whether you are a teacher or a scholar, an undergraduate or graduate student, a professional chemist in industry or academia, or someone just interested in natural sciences, this book allows you to be inspired and entertained by facts and information along with enjoyable anecdotes, historical, economic, political, biological and social considerations. Experts in the field can have a pleasurable time cruising through captivating synthesis methods, which enable the generation of complex molecules on industrial scale. This book · deals with the manufacturing of larger quantities of complex molecules (asymmetric and heterocyclic compounds, polycyclic structures, macrocycles and small rings) · displays all reaction schemes in colour, which makes them easy to read · highlights aesthetics and elegance in modern industrial organic chemistry
One of the most intriguing discoveries in molecular biology in the last decade is the existence of an evolutionary conserved and essential system, consisting of molecular chaperones and folding catalysts, which promotes the folding of the proteins in the cell. This text summarizes our current knowledge of the cellular roles, the regulation and the mechanism of action of this system. It has a broad scope, covering cell biological, genetic and biochemical aspects of protein folding in cells from bacteria to man. Particularly appropriate to researchers working in basic and applied aspects of molecular medicine, this volume should also prove useful as an up-to-date reference book and as a textbook for specialized university courses.
Political representation and democracy are at odds and we need new models to organize politics without relying so heavily on elected representatives. Similarly, capitalism undermines markets, as the rich and wealthy shield their assets and make them untenable for average earners. Elitism thus undermines both democracy and markets and we need to devise ways to limit the power of professional politicians, as well as the asset holdings of the rich so that the goods they hold can re-enter general markets. A broad array of institutions and laws have been enacted in different places and at different times to block economic elitism and protect democratic self-rule. This book presents a number of such cases, historical as well as contemporary, where solutions to the problem of political and economic elitism have successfully been practiced. It then compares these cases systematically, to determine the common factors and hence the necessary conditions for ensuring, and protecting self-rule and equal opportunity. This book encourages the idea that alternatives to representative, capitalist democracy are possible and can be put to practice.
The essays in this collection examine how human heredity was understood between the end of the First World War and the early 1970s. The contributors explore the interaction of science, medicine and society in determining how heredity was viewed across the world during the politically turbulent years of the twentieth century.
This textbook introduces and explains the fundamental issues, major research questions, and current approaches in the study of grammaticalization - the development of new grammatical forms from lexical items, and of further grammatical functions from existing grammatical forms. Grammaticalization has been a vibrant research field in recent years, and has proven effective in explaining a wide range of phenomena; it has even been claimed that the only true language universals are diachronic, and are related to cross-linguistic processes of grammaticalization. The chapters provide a detailed account of the major issues in the field: foundational questions such as directionality, criteria and parameters of grammaticalization, and phases and cycles; the much-debated issue of the motivations behind grammaticalization, including the role of language contact and typological influences; the advantages and disadvantages of different theoretical approaches; and the relationship between grammaticalization and process such as lexicalization, exaptation, and the development of discourse markers. Each chapter offers guidance on further reading, and concludes with study questions to encourage further discussion; there is also a glossary of key terminology in the field. Thanks to its comprehensive approach, the volume will serve as both a textbook for undergraduate and graduate students and a valuable reference work for researchers in the field.
Since the appearance of its first edition in Germany in 1979, A History of German Literature has established itself as a classic work used by students and anyone interested in German literature. The volume chronologically traces the development of German literature from the Middle Ages to the present day. Throughout this chronology, literary developments are set in a social and political context. This includes a final chapter, written for this latest edition, on the consequences of the reunification of Germany in 1990. Thoroughly interdiscipinary in method, the work also reflects recent developments in literary criticism and history. Highly readable and stimulating, A History of German Literature succeeds in making the literature of the past as immediate and engaging as the works of the present. It is both a scholary study and an invaluable reference work for students.
The physics of atomic inner shells has undergone significant advances in recent years. Fast computers and new experimental tools, notably syn chrotron-radiation sources and heavy-ion accelerators, have greatly enhan ced the scope of problems that are accessible. The level of research activity is growing substantially; added incentives are provided by the importance of inner-shell processes in such diverse areas as plasma studies, astrophysics, laser technology, biology, medicine, and materials science. The main reason for all this exciting activity in atomic inner-shell physics, to be sure, lies in the significance of the fundamental problems that are coming within grasp. The large energies of many inner-shell processes cause relativistic and quantum-electrodynamic effects to become strong. Unique opportunities exist for delicate tests of such phenomena as the screening of the electron self-energy and the limits of validity of the present form of the frequency-dependent Breit interaction, to name but two. The many-body problem, which pervades virtually all of physics, presents somewhat less intractable aspects in the atomic inner-shell regime: correlations are relatively weak so that they can be treated perturbatively, and the basic potential is simple and known! The dynamics of inner-shell processes are characterized by exceedingly short lifetimes and high transition rates that strain perturbation theory to its limits and obliterate the traditional separation of excitation and deexcitation. These factors are only now being explored, as are interference phenomena between the various channels.
This volume offers qualitative as well as corpus-based quantitative studies on three domains of grammatical variation in the British Isles. All studies draw heavily on the Freiburg English Dialect Corpus (FRED), a computerized corpus for predominantly British English dialects comprising some 2.5 million words. Besides an account of FRED and the advantages which a functional-typological framework offers for the study of dialect grammar, the volume includes the following three substantial studies. Tanja Herrmann's study is the first systematic cross-regional study of relativization strategies for Scotland, Northern Ireland, and four major dialect areas in England. In her research design Hermann has included a number of issues crucial in typological research on relative clauses, above all the Noun Phrase Accessibility Hierarchy. Lukas Pietsch investigates the so-called Northern Subject Rule, a special agreement phenomenon known from Northern England, Scotland and Northern Ireland. His study is primarily based on the Northern Ireland Transcribed Corpus of Speech, but also on the FRED and SED data (Survey of English Dialects) for the North of England. Susanne Wagner is concerned with the phenomenon of pronominal gender, focussing especially on the typologically rather unique semantic gender system in the dialects of Southwest England. This volume will be of interest to dialectologists, sociolinguists, typologists, historical linguists, grammarians, and anyone interested in the structure of spontaneous spoken English.
The rigid internaI fixation of mandibular fractures has become a widely ac cepted practice among European surgeons. The caution or even outright re jection voiced at a congress of the German Society of Maxillofacial Sur 1970s is no longer prevalent. Through a process of geons held in the late critical review and implementation, rigid internaI fixation has become an established treatment modality at numerous centers, especially in Switzer land, the Federal Republic of Germany, and the Netherlands. By comparison, the method has received very little attention in North America and the Anglo-Saxon countries. By and large, surgeons in these countries continue to treat mandibular fractures by intermaxillary fixation, possibly supplemented by the use of interosseous wires. Many recent edi tions of surgical texts confirm this. Lately, however, there appears to be a surge of interest in methods of functionally stable internaI fixation, especially in the United States of America, and AO/ ASIF instruction courses are increasingly in demand. This book is intended to aid course participants in their lessons and practi cal exercises and also to guide the clinical practitioner in the application of AO/ ASIF principles. Basel, September 1988 B.SPIESSL VII Acknowledgments I have received help from many sources. The colleagues of the past 20 years who have contributed to the case material upon which this manual is based are too numerous to credit by name.
Errors are information. In contrastive linguistics, they are thought to be caused by unconscious transfer of mother tongue structures to the system of the target language and give information about both systems. In the interlanguage hypothesis of second language acquisition, errors are indicative of the different intermediate learning levels and are useful pedagogical feedback. In both cases error analysis is an essential methodological tool for diagnosis and evaluation of the language acquisition process. Errors, too, give information in psychoanalysis (e.g., the Freudian slip), in language universal research, and in other fields of linguistics, such as linguistic change.This bibliography is intended to stimulate study into cross-language, cross-discipline and cross-theoretical, as well as for language universal, use of the numerous, but sometimes hard to come by, error analysis studies. 5398 titles covering the period 1578 up to 1990 (with work in more than 144 languages and language families) are cited, cross-referenced, and described. The subject areas covered are numerous. For example: Theoretical Linguistics (Linguistic Typology, Cognitive Linguistics), Historical Linguistics (Language Change), Applied Linguistics (e.g. Speech Disorders), Translation, Mother Tongue Acquisition, Foreign Language Learning (Negative Transfer, Intralingual and Interlingual Errors), Psychoanalysis (Slips of the Tongue), Typography, Shorthand, Clinical Linguistics and Speech Pathology, Reading Research, Automatic Error Detection, Contact Linguistics (Code-switching, Interference), etc.
This book proposes a radical new way of thinking about our democratic future, our ecological survival, and our ways to keep economies fair. It shows that adopting upper limits to wealth and income; replacing elections with local direct democracy and legal duty involving randomly selected citizens; and replacing welfare and redistribution policies with pre-distribution and reparations promises new solutions to political apathy, discontent, manipulation, economic inequality, unfairness, unequal opportunities, and looming ecological disaster.
In recent years, western societies have experienced a fundamental transformation in the way crime is understood and dealt with. Against the backdrop of a current great interest in narratives in criminology, this book draws on a narrative perspective to explore this transformation. Drawing on data from Germany, the book focuses on changing narratives of youth crime in recent decades and the exact narratives that have been used, abandoned, invented or criticized in order to instil particular understandings of crime and measures to act against it. The author draws upon a wide range of sources, including debates on youth crime in six parliaments from 1970 to 2012; articles on youth crime in four police and six social work journals from 1970 to 2009; and case studies with 15 young defendants who were interviewed before and after their trial and whose trial was observed. In doing so, the author reconstructs narratives over several decades and, overall, reveals a fascinating and multifaceted scope of narratives of youth crime. This book will be of great interest to students and scholars of youth crime and justice, as well as criminology, sociology, politics and social work more broadly.
The spread of the Internet into all areas of business activities has put a particular focus on business models. The digitalization of business processes is the driver of changes in company strategies and management practices alike. This textbook provides a structured and conceptual approach, allowing students and other readers to understand the commonalities and specifics of the respective business models. The book begins with an overview of the business model concept in general by presenting the development of business models, analyzing definitions of business models and discussing the significance of the success of business model management. In turn, Chapter 2 offers insights into and explanations of the business model concept and provides the underlying approaches and ideas behind business models. Building on these foundations, Chapter 3 outlines the fundamental aspects of the digital economy. In the following chapters the book examines various core models in the business to consumer (B2C) context. The chapters follow a 4-C approach that divides the digital B2C businesses into models focusing on content, commerce, context and connection. Each chapter describes one of the four models and provides information on the respective business model types, the value chain, core assets and competencies as well as a case study. Based on the example of Google, Chapter 8 merges these approaches and describes the development of a hybrid digital business model. Chapter 9 is dedicated to business-to-business (B2B) digital business models. It shows how companies focus on business solutions such as online provision of sourcing, sales, supportive collaboration and broker services. Chapter 10 shares insight into the innovation aspect of digital business models, presenting structures and processes of digital business model innovation. The book is rounded out by a comprehensive case study on Google/Alphabet that combines all aspects of digital business models. Conceived as a textbook for students in advanced undergraduate courses, the book will also be useful for professionals and practitioners involved in business model innovation, and applied researchers.
Discourse markers constitute an important part of linguistic communication, and research on this phenomenon has been a thriving field of study over the past three decades. However, a problem that has plagued this research is that these markers exhibit a number of structural characteristics that are hard to interpret based on existing methodologies, such as grammaticalization. This study argues that it is possible to explain such characteristics in a meaningful way. It presents a cross-linguistic survey of the development of discourse markers, their important role in communication, and their relation to the wider context of sociocultural behaviour, with the goal of explaining their similarities and differences across a typologically wide range of languages. By giving a clear definition of discourse markers, it aims to provide a guide for future research, making it essential reading for students and researchers in linguistics, and anyone interested in exploring this fascinating linguistic phenomenon.
The updated and expanded third edition of this book focuses on the multi-disciplinary coupling between flight-vehicle hardware alternatives and enabling propulsion systems. It discusses how to match near-term and far-term aerospace vehicles to missions and provides a comprehensive overview of the subject, directly contributing to the next-generation space infrastructure, from space tourism to space exploration. This holistic treatment defines a mission portfolio addressing near-term to long-term space transportation needs covering sub-orbital, orbital and escape flight profiles. In this context, a vehicle configuration classification is introduced covering alternatives starting from the dawn of space access. A best-practice parametric sizing approach is introduced to correctly design the flight vehicle for the mission. This technique balances required mission with the available vehicle solution space and is an essential capability sought after by technology forecasters and strategic planners alike.
The modern welfare state is indeed one of the greatest achievements of the post-war 20th century. With its key aims of eradicating the five giant social ills of Want, Ignorance, Disease, Squalor and Idleness, it aimed to providing a minimum standard of living, with all people of working age paying a weekly contribution; in return, benefits would be paid to anyone who was sick, unemployed, retired or widowed. The modern welfare state, therefore, is about maintaining a delicate equilibrium between dependent social groups on the one hand and the active working classes on the other. In the case of old-age security, this balance is being achieved (or not) by the so-called Generation Contract. This social pact is more of an implicit, unwritten and unspecified social contract. This ground-breaking book demonstrates how countries are addressing population-ageing challenges in depth, using the case study of Austria to gain the required complexity and differentiation in a comparative European framework of empirical evidence. This is a broad social science study in political economy and sociology, not an economic analysis. Though focusing on pensions, it centres on the (im)balance between work and non-work, issues of health, work ability, employability, and benefit receipt from old-age security to disability allowance. It will be required reading for all sociologists and social policy experts and academics working within this area.
The aim of the present book is to propose a new algebraic approach to the study of norm stability of operator sequences which arise, for example, via discretization of singular integral equations on composed curves. A wide variety of discretization methods, including quadrature rules and spline or wavelet approximations, is covered and studied from a unique point of view. The approach takes advantage of the fruitful interplay between approximation theory, concrete operator theory, and local Banach algebra techniques. The book is addressed to a wide audience, in particular to mathematicians working in operator theory and Banach algebras as well as to applied mathematicians and engineers interested in theoretical foundations of various methods in general use, particularly splines and wavelets. The exposition contains numerous examples and exercises. Students will find a large number of suggestions for their own investigations.
From one man's persistent and elegant probing of the temperature biology of bees, we have been led to a deeper understanding of the whole biology of many insect taxa, and of their interactions with ecological and environmental stresses: all who work at the interfaces of physiology, ecology and behaviour have cause to be grateful, and all should certainly read this book." (Trends in Ecology & Evolution) "An outstanding source of information, and can be read with profit and satisfaction by the professional biologist and interested amateur alike." (Nature)
First published in 1997, this volume examines how, in the last 15 years, HIV/AIDS has become a challenge for public health, public policy and research. Reducing further HIV transmissions as well reducing the personal and social impact of HIV/AIDS requires a wide range of activities developed by a wide range of organizations – the supply of which varies widely between countries, regions and social groups. The book describes the programmes which seem particularly effective in dealing with HIB/AIDS and sets out to explain the disparities in their distribution. It documents and tries to understand both similarities as well as the variety of national approaches taken to cope with HIV/AIDS in a number of European countries. On the basis of the welfare-mix model, six country studies and an introductory chapter draw particular attention to the different mixes of public policies and private non-profit, community-based activities; the functional mixes between different types of services in the areas of prevention, care, research, control and monitoring, interest representation, fund-raising. The mixes between specialized, so-called "exclusive" HIV/AIDS service organizations and services made available by general, comprehensive, or so-called "inclusive" institutions which provide AIDS-specific programmes among other activities will also be elaborated. The whole range of HIV/AIDS activities, from professional services to self-help, is analysed in a comparative perspective. The book is based on data from the European Centre / WHO Collaborative Study Managing AIDS. It is a comparative policy study focused on the role of non-profit organizations in public health and welfare policy, covering several thousands of organizations and HIV/AIDS programmes in six European countries. Unexpected similarities and divergence in AIDS service organizations across Europe were found. The sheer multitude of programmes offered called a surprise to experts in the field, as did remaining conspicuous blank spots or deficiencies in services. Degrees of AIDS policy coherence, prevention efforts, service density and quality, self-help and professionalization, medicalization vs. social integration of HIV/AIDS programmes, sectoral specialization and institutionalization all vary tremendously, as do the efficiency and effectiveness of organizational responses to HIV/AIDS. Interestingly, variations in the supply of activities can hardly be explained by epidemiological patterns and corresponding demand and needs. AIDS management requires long-term institutional strategies and information which cannot be provided by epidemiological or behavioural analysis alone. An effective struggle against HIV/AIDS also requires institution-building, inter-organizational development and policy-field analysis.
The Gmelin Formula Index and the First and Second Supplement covered the volumes of the Eighth Edition of the Gmelin Handbook which appeared up to the end of 1987. This Third Supplement extends the Gmelin Formula Index and includes the compounds from the volumes until 1992. The publication of the Third Supplement enables to locate all compounds described in the Gmelin Handbook of Inorganic and Organometallic Chemistry since 1924. The basic structure of the Formula Index remains the same as the previous editions. Computer methods were employed during the preparation and the publication of the Third Supplement. Data acquisition, sorting, and data handling were performed using a suite of computer programs, developed originally by B. Roth, now at Chemplex GmbH. The SGML application for the final data processing for printing was developed in the com puter department of the Gmelin Institute and at Universitätsdruckerei H. Stürtz AG, Würzburg. Frankfurt am Main, March 1994 U. Nohl, G. Olbrich Instructions for Users of the Formula Index First CoLumn (EmpiricaL FormuLa) The empirical formulae are arranged in alphabetical order of the element symbols and by increasing values of the subscripts. Any indefinite subscripts are placed at the end of the respective sorting section. Ions always appear after the neutral species, positive ions preceding negative ones.
This is the completely revised, updated and enlarged 2nd edition of a classic textbook used in many English and linguistics departments in Germany for more than 20 years. It serves both as an introduction for beginners and as a companion for more advanced undergraduate and graduate students, familiarizing its readers with the major and distinctive properties of English (Standard English as well major national, regional and social varieties), including an in-depth structural comparison with German. Written in an accessible style and with many reader-friendly features (including checklists with key terms and concepts, basic and advanced exercises with solutions), the book offers a state-of-the-art-survey of the core terminology and issues of the central branches of linguistics, including an account of the major current research traditions and methodologies.
The Gmelin Institute presents the Third Supplement of the Gmelin Formula Index (GFI) which covers 95 new volumes of the Gmelin Handbook of Inorganic and Organometallic Chemistry published between 1988 and 1992. With this extension the GFI contains more than 400 000 elements, compounds, systems, and other types described in 620 volumes. The Third Supplement includes more than 65 000 compounds sorted according to the empirical formula and characterized by a linearized structural formula. As in previous sections of the index, compounds are further characterized by keywords if more information is available in the Handbook. Systems, mixed crystals, solutions, glasses, isotopes, isotopomers (also highly enriched), and other compound classes are separately listed. The GFI provides fast access to any inorganic or organometallic compound and the relevant page numbers in the Handbook. It is one of the means to facilitate searching for the large amount of available information on the chemical and physical properties of compounds. The Third Supplement will be published in 6 volumes.
This book demonstrates how an improved strategic management approach, leveraging established management concepts in conjunction with the innovative technology solutions offered by business intelligence, can lead to better performance. It presents the three main barriers to effective strategy execution and explains how they can be overcome. Creating a shared understanding of the strategy at all levels of the organization using a Value ScorecardTM and following the Strategic Alignment ProcessTM allow organizations to measure and monitor performance. Strategic Alignment Remote ControlTM is presented as the ultimate tool for managers to remain in control of their business. Seven case studies from different industries across the globe provide examples of how the organizational performance can be improved. They include companies like Daimler, Tetra-Pak, Würth, Germany's Federal Employment Agency, the city of Aix-Les-Bains, and Giesecke & Devrient. Additional examples from organizations like Disney, Marriott, Volkswagen, Avis, FedEx, and Harrahs help to demonstrate how applying the concepts introduced adds unique value. The second edition of this book has been updated and improved. Additionally it includes a separate section on decision-making under uncertainty and the results of a survey on the adoption of business intelligence.
Revision of European Ennominae moths, covering 202 species in 30 colour plates. Comprehensive text and rich illustration of genitalia structures for all species. Four new species are described and systematic checklist for entire European and adjacent regions' Geometridae fauna is provided.
Analog computing is one of the main pillars of Unconventional Computing. Almost forgotten for decades, we now see an ever-increasing interest in electronic analog computing because it offers a path to high-performance and highly energy-efficient computing. These characteristics are of great importance in a world where vast amounts of electric energy are consumed by today’s computer systems. Analog computing can deliver efficient solutions to many computing problems, ranging from general purpose analog computation to specialised systems like analog artificial neural networks. The book “Analog Computing” has established itself over the past decade as the standard textbook on the subject and has been substantially extended in this second edition, which includes more than 300 additional bibliographical entries, and has been expanded in many areas to include much greater detail. These enhancements will confirm this book’s status as the leading work in the field. It covers the history of analog computing from the Antikythera Mechanism to recent electronic analog computers and uses a wide variety of worked examples to provide a comprehensive introduction to programming analog computers. It also describes hybrid computers, digital differential analysers, the simulation of analog computers, stochastic computers, and provides a comprehensive treatment of classic and current analog computer applications. The last chapter looks into the promising future of analog computing.
Diese Einführung in die Besonderheiten des bilingualen Unterrichts präsentiert das Sachfach Politik und Wirtschaft. Im Kontinuum von fachlicher Instruktion und Sprachentwicklung findet sich eine Vielfalt von Textsorten, Projekten und authentischen Aufgaben (task-based). Die praxisorientierten Unterrichtseinheiten sind nach unterschiedlichen sprachlichen Anforderungen gestaffelt und auf die Kompetenzskalen A2 bis C1 des Gemeinsamen Europäischen Referenzrahmens für Sprachen bezogen. Sie sind für den bilingualen Zweig in Mittelschulen und Gymnasien geeignet, aber auch für einzelne Jahrgangsstufen verwendbar. Sie können für die eigene Unterrichtspraxis adaptiert werden, mit dem Ziel durch eigene Recherchen authentische CLIL-Aufgaben weiterzuentwickeln.
The present volume in the organogermanium series describes mononuclear compounds containing only germanium-carbon and germanium-hydrogen bonds (Chapter 1.3). Germanium hydrides with other additional non-carbon ligands, such as halogen or oxygen bonded groups, appear in later chapters according to the Gmelin principle of the last posi tion. Compounds with Ge-H and Ge-O bonds have already been described in Volume 5, Section 1.5.1.4, pp. 50/62. The present volume covers the literature to the end of 1992 and includes many references up to 1994. The nomenclature recommended by IUPAC has been generally adhered to. However, compound names were largely avoided, as most of the compounds are presented in tables and are only identified by their formulas. Many of the data in the tables appear in abbreviated form without units; general explanations are given on pp. X/XI. The volume contains an empirical formula index (p. 327) and a ligand formula index (p.341). The editor wishes to express his gratitude to the former author, Professor J. E. Drake, and to Professor J. Satge for his kind advice and fruitful collaboration. Thanks are due also to Dr. A. R. Pebler for editing the English text and to Mr. H.-G. Karrenberg for drawing the numerous formulas and molecular structures.
Trains pull into a railroad station and must wait for each other before leaving again in order to let passengers change trains. How do mathematicians then calculate a railroad timetable that accurately reflects their comings and goings? One approach is to use max-plus algebra, a framework used to model Discrete Event Systems, which are well suited to describe the ordering and timing of events. This is the first textbook on max-plus algebra, providing a concise and self-contained introduction to the topic. Applications of max-plus algebra abound in the world around us. Traffic systems, computer communication systems, production lines, and flows in networks are all based on discrete even systems, and thus can be conveniently described and analyzed by means of max-plus algebra. The book consists of an introduction and thirteen chapters in three parts. Part One explores the introduction of max-plus algebra and of system descriptions based upon it. Part Two deals with a real application, namely the design of timetables for railway networks. Part Three examines various extensions, such as stochastic systems and min-max-plus systems. The text is suitable for last-year undergraduates in mathematics, and each chapter provides exercises, notes, and a reference section.
Image processing is fast becoming a valuable tool for analyzing multidimensional data in all areas of natural science. Since the publication of the best-selling first edition of this handbook, the field of image processing has matured in many of its aspects from ad hoc, empirical approaches to a sound science based on established mathematical and p
Offering a new perspective on auxiliaries in particular and language structure in general, this study argues that language cannot be explained satisfactorily with reference to linguistic variables alone; what is required in addition are extra-linguistic parameters relating to how we perceive the world around us, and how we utilize the linguistic resources available to us to conceptualize our experiences, and to communicate successfully. Rather than a closed, self-contained system, language is an entity that is constantly shaped by such external factors as cognitive forces, pragmatic manipulation, history, etc. These factors are responsible for the emergence of chain-like linguistic structures, and auxiliaries are typical examples of such structures, which Heine describes as grammaticalization chains. A limited number of concrete event schemas are discussed and these schemas are shown to be responsible for much of the linguistic diversity that auxiliary constructions exhibit in the languages of the world.
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