Electrical drives play an important part as electromechanical energy converters in transportation, materials handling and most production processes. This book presents a unified treatment of complete electrical drive systems, including the mechanical parts, electrical machines, and power converters and control. Since it was first published in 1985 the book has found its way onto many desks in industry and universities all over the world. For the second edition the text has been thoroughly revised and updated, with the aim of offering the reader a general view of the field of controlled electrial drives, which are maintaining and extending their importance as the most flexible source of controlled mechanical energy.
Physical models have been, and continue to be used by engineers when faced with unprecedented challenges, when engineering science has been non-existent or inadequate, and in any other situation when the engineer has needed to raise their confidence in a design proposal to a sufficient level to begin construction. For this reason, models have mostly been used by designers and constructors of highly innovative projects, when previous experience has not been available. The book covers the history of using of physical models in the design and development of civil and building engineering projects including bridges in the mid-18th century, William Fairbairn?s Britannia bridge in the 1840s, the masonry Aswan Dam in the 1890s, concrete dams in the 1920s, thin concrete shell roofs and the dynamic behaviour of tall buildings in earthquakes from the 1930s, tidal flow in estuaries and the acoustics of concert halls from the 1950s, and cable-net and membrane structures in the 1960s. Traditionally, progress in engineering has been attributed to the creation and use of engineering science, the understanding materials properties and the development of new construction methods. The book argues that the use of reduced scale models have played an equally important part in the development of civil and building engineering. However, like the history of engineering design itself, this crucial contribution has not been widely reported or celebrated. The book concludes with reviews of the current use of physical models alongside computer models, for example, in boundary layer wind tunnels, room acoustics, seismic engineering, hydrology, and air flow in buildings.
The textbook looks at the German federal state from the perspective of the Länder. It provides information on the development of the German Länder, analyzes their significance for democracy, the federal state and the rule of law, and introduces the central principles of politics in the Länder. It offers those interested in politics, teachers and students of political science, social science, law and the humanities a comprehensive as well as condensed overview of the German Länder. This book is a translation of the original German 1st edition, Die deutschen Länder by Werner Reutter, published by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature in 2020. The translation was done with the help of artificial intelligence (machine translation by the service DeepL. com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation. Springer Nature works continuously to further the development of tools for the production of books and on the related technologies to support the authors.
A detatailed and well written account of this group of Anabaptists. The oldest and largest communal society in North America, the Hutterites—Anabaptists of German origin, like the Amish, Mennonites, and Brethren—have long been the subject of scholarly study and popular curiosity. Werner Packull tells the comprehensive story of the Hutterite beginnings in their original homelands—particularly in Tyrol and Moravia—and discovers important relationships among early Anabaptist sects.
Electrical drives play an important role as electromechanical energy convert ers in transportation, material handling and most production processes. The ease of controlling electrical drives is an important aspect for meeting the in creasing demands by the user with respect to flexibility and precision, caused by technological progress in industry as well as the need for energy conser vation. At the same time, the control of electrical drives has provided strong incentives to control engineering in general, leading to the development of new control structures and their introduction to other areas of control. This is due to the stringent operating conditions and widely varying specifications - a drive may alternately require control of torque, acceleration, speed or position - and the fact that most electric drives have - in contrast to chem ical or thermal processes - well defined structures and consistent dynamic characteristics. During the last years the field of controlled electrical drives has undergone rapid expansion due mainly to the advances of semiconductors in the form of power electronics as well as analogue and digital signal electronics, eventu ally culminating in microelectronics and microprocessors. The introduction of electronically switched solid-state power converters has renewed the search for adjustable speed AC motor drives, not subject to the limitations of the mechanical commutator of DC drives which dominated the field for a century.
Werner Packull delineates more clearly than any previous scholar the theological and spiritual differences between South German and Swiss Anabaptists. He examines thoroughly the dominant medieval mystical influence in the thought of Denck and Hut and the latter's immediate South German Anabaptist followers. Indeed, Packull decides that South German Anabaptism derives more from medieval mysticism than from the Reformation. Packull is convincing in his demonstration of this thesis because of his meticulous care in reading the primary sources and because he examines and refutes the arguments of those who would place the Protestant influence as the primary one. He carefully isolates and explains particular ideas of the medieval mystics and demonstrates their influence on Denck and Hut. Packull expands and elaborates the earlier suggestions of Kiwiet and Williams, both of whom postulated a discrete Anabaptism in South Germany as against that of Switzerland. He draws on the more recent and still unpublished work of Gottfried Seebass, especially on Seebass' selection of writings which he ascribes to Hut. Packull's second major thesis is that the earliest form of South German Anabaptism was transitional both sociologically and theologically. He demonstrates that there were indeed strains of Anabaptism which were not as clearly biblicist in emphasis as the one in Zurich. Packull's work makes the phenomenon of early Anabaptism more complex, less uniform, but hi252*.00storically more accurate, more in line with the realities of the religious ferment of the 1520s among German-speaking people.
This is a hodgepodge of a disorderly, systematically arranged collection of Polish nobility. On these pages you will learn everything about: descent, nobility, aristocratic literature, aristocratic name endings, aristocratic association, genealogy, bibliography, books, family research, research, genealogy, history, heraldry, heraldry, herbalism, information, literature, names, aristocratic files, nobility, personal history, Poland, Szlachta, coat of arms, coat of arms research, coat of arms literature, nobility, knights, Poland, herbarz. Conglomeration, translations into: English, German, French. Dies ist ein Sammelsurium einer ungeordneten, systematisch geordneten Sammlung des polnischen Adels. Auf diesen Seiten erfahren Sie alles über: Abstammung, Adel, Adelsliteratur, Adelsnamenendungen, Adelsverband, Genealogie, Bibliographie, Bücher, Familienforschung, Forschung, Genealogie, Geschichte, Heraldik, Heraldik, Kräuterkunde, Informationen , Literatur, Namen, Adelsakten, Adel, Personengeschichte, Polen, Szlachta, Wappen, Wappenforschung, Wappenliteratur, Adel, Ritter, Polen, Herbarz. Sammelsurium, Übersetzungen in: Englisch, Deutsch, Französisch. Il s'agit d'un méli-mélo d'une collection désordonnée et systématiquement organisée de la noblesse polonaise. Sur ces pages, vous apprendrez tout sur : l'ascendance, la noblesse, la littérature aristocratique, les terminaisons de noms aristocratiques, l'association aristocratique, la généalogie, la bibliographie, les livres, la recherche familiale, la recherche, la généalogie, l'histoire, l'héraldique, l'heraldique, l'herboristerie, l'information, la littérature, les noms, dossiers aristocratiques, noblesse, histoire personnelle, Pologne, Szlachta, armoiries, recherche d'armoiries, littérature d'armoiries, noblesse, chevaliers, Pologne, herbarz. Conglomération, traductions en : anglais, allemand, français.
Dynamics is the third volume of a three-volume textbook on Engineering Mechanics. It was written with the intention of presenting to engineering students the basic concepts and principles of mechanics in as simple a form as the subject allows. A second objective of this book is to guide the students in their efforts to solve problems in mechanics in a systematic manner. The simple approach to the theory of mechanics allows for the different educational backgrounds of the students. Another aim of this book is to provide engineering students as well as practising engineers with a basis to help them bridge the gaps between undergraduate studies, advanced courses on mechanics and practical engineering problems. The book contains numerous examples and their solutions. Emphasis is placed upon student participation in solving the problems. The contents of the book correspond to the topics normally covered in courses on basic engineering mechanics at universities and colleges. Volume 1 deals with Statics; Volume 2 contains Mechanics of Materials.
Statics is the first volume of a three-volume textbook on Engineering Mechanics. The authors, using a time-honoured straightforward and flexible approach, present the basic concepts and principles of mechanics in the clearest and simplest form possible to advanced undergraduate engineering students of various disciplines and different educational backgrounds. An important objective of this book is to develop problem solving skills in a systematic manner. Another aim of this volume is to provide engineering students as well as practising engineers with a solid foundation to help them bridge the gap between undergraduate studies on the one hand and advanced courses on mechanics and/or practical engineering problems on the other. The book contains numerous examples, along with their complete solutions. Emphasis is placed upon student participation in problem solving. The contents of the book correspond to the topics normally covered in courses on basic engineering mechanics at universities and colleges. Now in its second English edition, this material has been in use for two decades in Germany, and has benefited from many practical improvements and the authors’ teaching experience over the years. New to this edition are the extra supplementary examples available online as well as the TM-tools necessary to work with this method.
Karl Mannheim (1893-1947) occupies a prominent position among the leading social scientists of the twentieth century; his ideas and his books are relevant for many issues engaging the concern of sociologists today. Mannheim’s life spanned three cultural traditions – Hungarian, German and British – and in this authoritative study Professor Remmling covers all these phases in his life and work. Mannheim began as an idealistic philosopher, but soon began to make important contributions to the developing area of sociology of knowledge. After his emigration to England in 1933, Mannheim developed a theory of social planning to combat the socio-political consequences of the crisis of liberalism. During the Second World War his attention shifted to the ethical and religious values of Western humanism and the related role of mass education in democratic social planning. Finally, Mannheim forged the rudiments of a political sociology attacking the abuse of politico-military power and the resulting danger of a third world war, while simultaneously calling for counter-attack under the banner of planning for freedom on behalf of militant, fundamental democracy. In tracing these development in Karl Mannheim’s work, Gunter Remmling provides insights into major theoretical and practical issues of the first half of the twentieth century, problems which remain central to the modern experience. A comprehensive bibliography is provided to introduce the sociology of knowledge and related topics, such as ideology, utopia, intellectuals, Weimar culture, and social planning.
This review brings together new research in three areas of Anabaptist studies and the Radical Reformation. Part One focuses on sixteenth-century Anabaptism, re-examining the ’polygenesis model’ of Anabaptism articulated by Stayer, Packull and Depperman. Part Two deals with the connections between Anabaptists and other Reformation dissenters, their marginalisation as social groups and their relations with the intellectual movements of the age. The final section addresses historiographic and comparative issues of writing the history of marginalised groups, investigating some preconceptions which influence historians’ approaches to Anabaptism and their implications for understanding other religious groups.
This is a hodgepodge of a disorderly, systematically arranged collection of Polish nobility. On these pages you will learn everything about: descent, nobility, aristocratic literature, aristocratic name endings, aristocratic association, genealogy, bibliography, books, family research, research, genealogy, history, heraldry, heraldry, herbalism, information, literature, names, aristocratic files, nobility, personal history, Poland, Szlachta, coat of arms, coat of arms research, coat of arms literature, nobility, knights, Poland, herbarz. Conglomeration, translations into: English, German, French. Dies ist ein Sammelsurium einer ungeordneten, systematisch geordneten Sammlung des polnischen Adels. Auf diesen Seiten erfahren Sie alles über: Abstammung, Adel, Adelsliteratur, Adelsnamenendungen, Adelsverband, Genealogie, Bibliographie, Bücher, Familienforschung, Forschung, Genealogie, Geschichte, Heraldik, Heraldik, Kräuterkunde, Informationen , Literatur, Namen, Adelsakten, Adel, Personengeschichte, Polen, Szlachta, Wappen, Wappenforschung, Wappenliteratur, Adel, Ritter, Polen, Herbarz. Sammelsurium, Übersetzungen in: Englisch, Deutsch, Französisch. Il s'agit d'un méli-mélo d'une collection désordonnée et systématiquement organisée de la noblesse polonaise. Sur ces pages, vous apprendrez tout sur : l'ascendance, la noblesse, la littérature aristocratique, les terminaisons de noms aristocratiques, l'association aristocratique, la généalogie, la bibliographie, les livres, la recherche familiale, la recherche, la généalogie, l'histoire, l'héraldique, l'heraldique, l'herboristerie, l'information, la littérature, les noms, dossiers aristocratiques, noblesse, histoire personnelle, Pologne, Szlachta, armoiries, recherche d'armoiries, littérature d'armoiries, noblesse, chevaliers, Pologne, herbarz. Conglomération, traductions en : anglais, allemand, français.
In this book Werner Hüllen examines Roget's Thesaurus in relation to linguistics, philosophy and history. He explores the influence of Roget's Thesaurus abroad (Germany and the Romance countries). He epitomizes its history and compares the various editions of the book. In lexical case studies he evaluates some entries with pertinence to their cultural and political implications. He discusses the didactic potential of thesauri in general and considers the implications of the Thesaurus for the study of scholarly linguistics and psychology. He discusses how Roget's Thesaurus prepared the way for the more recent idea of network semantics. By analyzing retrieval techniques one can show, he claims, how the words of languages were (and are) stored in the minds of those who speak them. Professor Hüllen concludes by considering the role of synonymy in language from a perspective of cognitive linguistics showing that it is indispensable for communication.
Most introduction to proofs textbooks focus on the structure of rigorous mathematical language and only use mathematical topics incidentally as illustrations and exercises. In contrast, this book gives students practice in proof writing while simultaneously providing a rigorous introduction to number systems and their properties. Understanding the properties of these systems is necessary throughout higher mathematics. The book is an ideal introduction to mathematical reasoning and proof techniques, building on familiar content to ensure comprehension of more advanced topics in abstract algebra and real analysis with over 700 exercises as well as many examples throughout. Readers will learn and practice writing proofs related to new abstract concepts while learning new mathematical content. The first task is analogous to practicing soccer while the second is akin to playing soccer in a real match. The authors believe that all students should practice and play mathematics. The book is written for students who already have some familiarity with formal proof writing but would like to have some extra preparation before taking higher mathematics courses like abstract algebra and real analysis.
This is a hodgepodge of a disorderly, systematically arranged collection of Polish nobility. On these pages you will learn everything about: descent, nobility, aristocratic literature, aristocratic name endings, aristocratic association, genealogy, bibliography, books, family research, research, genealogy, history, heraldry, heraldry, herbalism, information, literature, names, aristocratic files, nobility, personal history, Poland, Szlachta, coat of arms, coat of arms research, coat of arms literature, nobility, knights, Poland, herbarz. Conglomeration, translations into: English, German, French. Dies ist ein Sammelsurium einer ungeordneten, systematisch geordneten Sammlung des polnischen Adels. Auf diesen Seiten erfahren Sie alles über: Abstammung, Adel, Adelsliteratur, Adelsnamenendungen, Adelsverband, Genealogie, Bibliographie, Bücher, Familienforschung, Forschung, Genealogie, Geschichte, Heraldik, Heraldik, Kräuterkunde, Informationen , Literatur, Namen, Adelsakten, Adel, Personengeschichte, Polen, Szlachta, Wappen, Wappenforschung, Wappenliteratur, Adel, Ritter, Polen, Herbarz. Sammelsurium, Übersetzungen in: Englisch, Deutsch, Französisch. Il s'agit d'un méli-mélo d'une collection désordonnée et systématiquement organisée de la noblesse polonaise. Sur ces pages, vous apprendrez tout sur : l'ascendance, la noblesse, la littérature aristocratique, les terminaisons de noms aristocratiques, l'association aristocratique, la généalogie, la bibliographie, les livres, la recherche familiale, la recherche, la généalogie, l'histoire, l'héraldique, l'heraldique, l'herboristerie, l'information, la littérature, les noms, dossiers aristocratiques, noblesse, histoire personnelle, Pologne, Szlachta, armoiries, recherche d'armoiries, littérature d'armoiries, noblesse, chevaliers, Pologne, herbarz. Conglomération, traductions en : anglais, allemand, français.
The surrender of Nazi Germany in 1945 marked the end of an epoch during which anti-Semitism escalated into genocide. In the immediate aftermath of World War II, Nazi racist ideology was discredited morally and politically, and the Allied occupation forces prohibited its dissemination in public. However, there was no overnight transformation of individual anti-Semitic attitudes among the public at large. Most surveys conducted since 1946 have confirmed the persistence of massive anti-Semitism in Germany both in the democratic West and the communist East. Based on all empirical survey data available up to now, this volume offers a thorough comparative analysis of anti-Semitism in Germany, and in particular its resurgence with the rise of right-wing extremism since unification. Anti-Semitism in Germany reflects a historically unique opportunity to compare the attitudes of two population groups that shared a common history up to 1945 and then lived under differing political conditions until 1989. The authors find distinct generational patterns in the survival and development of anti-Semitic attitudes. In the Federal Republic hostility towards Jews was more manifest among those who had been socialized to it under the Weimar Republic and Third Reich but less prevalent in subsequent generations. In contrast the authors show younger East Germans as more susceptible to anti-Semitism. The economic and cultural crises of reunification underwrote the strident anti-Zionism of the former communist regime. The authors also explore the anti-Semitic component of the recent wave of xenophobic violence and the disturbing rise of neo-Nazi political activity. This volume is especially noteworthy in its examination of a "secondary" anti-Semitism closely tied to the issue of coming to terms with the Nazi past. The motives behind persisting anti-Semitism can no longer be attributed to ethnic conflict, but go to the core discrepancy between wanting to forget and being reminded. The authors consider this phenomenon within the framework of current German political culture. In its comprehensiveness and methodological sophistication, Anti-Semitism in Germany is a major contribution to the literature on modern anti-Semitism and ethnic prejudice. It will be read by historians, political scientists, sociologists, and Jewish studies specialists.
The corporate history of BASF spans an era of German and international economic history that began with the rise of the 'new industries' as of the late nineteenth century and continues today in their confrontation with the new economy. This book examines BASF's corporate governance, financial system, industrial relations, system of qualification and relation to other companies. A corporate history of BASF promises more than an insight into the functioning of an industrial organisation. It also reveals the reasons for the extraordinary economic dynamics of the German empire and the enormous expansion of the world economy before World War I. BASF's history stands at the centre of Germany's wartime economy during two world wars and highlights both its strengths and weaknesses. Just as the IG Farben trust helped support Germany's course of politicoeconomic autarky after 1933, so it was that BASF helped facilitate West Germany's startlingly quick return to the world market. BASF has since been among the transnational companies whose efforts at the leading edge of economic and technological progress are paradigmatic for Germany's entry into the new economy of the twenty-first century.
An introduction to the history and scope of interpretation theory in theology. It discusses hermeneutical consciousness in Christian thinking from the time of the Church Fathers up to today.
This book is a comprehensive, unifying introduction to the field of mathematical analysis and the mathematics of computing. It develops the relevant theory at a modern level and it directly relates modern mathematical ideas to their diverse applications. The authors develop the whole theory. Starting with a simple axiom system for the real numbers, they then lay the foundations, developing the theory, exemplifying where it's applicable, in turn motivating further development of the theory. They progress from sets, structures, and numbers to metric spaces, continuous functions in metric spaces, linear normed spaces and linear mappings; and then differential calculus and its applications, the integral calculus, the gamma function, and linear integral operators. They then present important aspects of approximation theory, including numerical integration. The remaining parts of the book are devoted to ordinary differential equations, the discretization of operator equations, and numerical solutions of ordinary differential equations. This textbook contains many exercises of varying degrees of difficulty, suitable for self-study, and at the end of each chapter the authors present more advanced problems that shed light on interesting features, suitable for classroom seminars or study groups. It will be valuable for undergraduate and graduate students in mathematics, computer science, and related fields such as engineering. This is a rich field that has experienced enormous development in recent decades, and the book will also act as a reference for graduate students and practitioners who require a deeper understanding of the methodologies, techniques, and foundations.
A poignant biography of Jacob Davidovitch Sudermann, a teacher and artist from a Russian Mennonite community who, like so many others, fell victim to the bloodthirsty paranoia of the Stalinist purges and died in a Siberian gulag in 1937. Sketches from Siberia is pieced together from letters, sketches, and paintings done by Sudermann himself during his imprisonment as well as the unpublished memoir of his sister Anna. It was Anna and other family members that brought these documents with them when they immigrated to Canada in the late forties. This important biography also serves as a valuable cultural history of the plight of the Russian Mennonite community. At once moving and chilling, it is a story that shows the strength that lies at the heart of kindness, the light that outlives the darkness. A timely story even eighty years after Sudermann’s death, it reminds us of the plight of displaced communities around the world today that are struggling to survive.
Since the discovery of ferrocene and the sandwich-type complexes, the development of organometallic chemistry took its course like an avalanche and became one of the scientific success stories of the second half of the twentieth century. Based on this development, the traditional boundaries between inorganic and organic chemistry gradually disappeared and a rebirth of the nowadays highly important field of homogeneous catalysis occurred. It is fair to say that despite the fact that the key discovery, which sparked it all off, was made more than 50 years ago, organometallic chemistry remains a young and lively discipline.
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