Energie Aus Wasserkraft Eine Kritische Betrachtung Des Drei Schluchten Staudammes

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Energie aus Wasserkraft. Eine kritische Betrachtung des Drei-Schluchten-Staudammes

Author : Felix Müller
Publisher : GRIN Verlag
ISBN 13 : 3668827869
Total Pages : 29 pages
Book Rating : 4.6/5 (688 download)

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Book Synopsis Energie aus Wasserkraft. Eine kritische Betrachtung des Drei-Schluchten-Staudammes by : Felix Müller

Download or read book Energie aus Wasserkraft. Eine kritische Betrachtung des Drei-Schluchten-Staudammes written by Felix Müller and published by GRIN Verlag. This book was released on 2018-11-05 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Facharbeit (Schule) aus dem Jahr 2017 im Fachbereich Physik - Sonstiges, Note: 12, , Sprache: Deutsch, Abstract: In dieser Seminararbeit, werden sowohl die Probleme als auch die Vorteile, welche mit dem Bau des Drei-Schluchten-Staudamms einhergehen, beleuchtet. Vor 3500 Jahren wurde die kinetische Energie des Wassers noch zum Schöpfen von Wasser genutzt und damit zur Bewässerung von Feldern. Dies änderte sich im 8. Jahrhundert, als es gelang, die Rotationsbewegung von Wasserrädern in eine Hin- und Herbewegung umzuwandeln. Daraus resultierend wurde die Energie genutzt um Maschinen zu betreiben. Schnell wurde erkannt, welches Potential die Wasserkraft besitzt, beispielsweise verfügten die Wasserräder im alten Rom noch über eine Leistung von 2 Kilowatt, bis zum Mittelalter hatte sich diese dann bereits verdreifacht. Im 18. Jahrhundert erreichte die Wasserkraft ihren Höhepunkt. Zu dieser Zeit liefen in Europa circa eine halbe Millionen Wasserräder. Diese Räder mahlten Getreide, bedienten große Hämmer oder schöpften Wasser. Erst mit der Erfindung der Dampfmaschine und den sinkenden Kohlepreisen im 19. Jahrhundert verlor die Wasserkraft an Bedeutung. 1825 wurde die erste Wasserturbine gebaut, welche im Vergleich zu den Wasserrädern einen deutlich höheren Wirkungsgrad besaß und für den Betrieb von elektrischen Generatoren geeignet war. Die Wasserkraft gewann im 20. Jahrhundert, auch durch die elektrische Eisenbahn, wieder an Bedeutung. Durch den hohen Energiebedarf der Eisenbahn in Bergregionen, bot sich dadurch die Möglichkeit, ortsnah Strom zu erzeugen. Die Bewegung, weg von fossilen Energieressourcen, hin zu erneuerbaren Energiequellen hatte zur Folge, dass sich die Wasserkraft immer mehr als Energiequelle etablierte. Im Laufe der Zeit stellte sich heraus, dass mit großen Wasserkraftwerken auch erhebliche Probleme einhergehen, deswegen wurden Anfang der 1990er Jahre einige geplante Großprojekte abgesagt. Stattdessen entstanden vielfach kleinere Anlagen. Nicht so in der Volksrepublik China, diese ließ sich in ihrem Vorhaben, den größten Staudamm der Welt zu bauen, trotz vehementer Proteste, Kritik und Problemen, nicht stoppen.

The Business Affairs of Mr Julius Caesar

Author : Bertolt Brecht
Publisher : Bloomsbury Publishing
ISBN 13 : 1472582748
Total Pages : 211 pages
Book Rating : 4.4/5 (725 download)

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Book Synopsis The Business Affairs of Mr Julius Caesar by : Bertolt Brecht

Download or read book The Business Affairs of Mr Julius Caesar written by Bertolt Brecht and published by Bloomsbury Publishing. This book was released on 2016-01-28 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bertolt Brecht's extraordinary historical novel presents an aspiring scholar's efforts to write an idealized life of Julius Caesar twenty years after his death. But the historian abandons his planned biography, confronted by a baffling range of contradictory views. Was Caesar an opportunist, a permanently bankrupt businessman who became too big for the banks to allow him to fail – as his former banker claims? Did he stumble into power while trying to make money, as suggested by the diary of his former slave? Across these different versions of Caesar's career in the political and economic life of Rome, Brecht wryly contrasts the narratives of imperial progress with the reality of grasping self-interest, in a sly allegory that points to the Weimar Republic and perhaps even to our own times. Brecht reminds his readers of the need for constant vigilance and critical suspicion towards the great figures of the past. In an echo of his dramatic theories, the audience is confronted with its own task of active interpretation rather than passive acceptance -- we have to work out our own views about Mr Julius Caesar. This edition is translated by Charles Osborne and features an introduction and editorial notes by Anthony Phelan and Tom Kuhn.

Landscape as Heritage

Author : Graham Fairclough
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.8/5 (211 download)

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Book Synopsis Landscape as Heritage by : Graham Fairclough

Download or read book Landscape as Heritage written by Graham Fairclough and published by . This book was released on 2008 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

In Discussion with the Past

Author : H. Sarfatij
Publisher :
ISBN 13 : 9789080104440
Total Pages : 349 pages
Book Rating : 4.1/5 (44 download)

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Book Synopsis In Discussion with the Past by : H. Sarfatij

Download or read book In Discussion with the Past written by H. Sarfatij and published by . This book was released on 1999 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An English Dictionary....

Author : Elisha Coles
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.R/5 (5 download)

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Book Synopsis An English Dictionary.... by : Elisha Coles

Download or read book An English Dictionary.... written by Elisha Coles and published by . This book was released on 1717 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Archaic and Classical Greek Sicily

Author : Franco De Angelis
Publisher : Oxford University Press
ISBN 13 : 0195170474
Total Pages : 465 pages
Book Rating : 4.1/5 (951 download)

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Book Synopsis Archaic and Classical Greek Sicily by : Franco De Angelis

Download or read book Archaic and Classical Greek Sicily written by Franco De Angelis and published by Oxford University Press. This book was released on 2016 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ancient Greek migrants in Sicily produced societies and economies that paralleled and differed from their homeland. Since the nineteenth century explanations for this have been heavily debated. This book is the first to gather the historical and archaeological evidence and to deploy it to test the various historical models proposed.

Comparative and Transnational History

Author : Heinz-Gerhard Haupt
Publisher : Berghahn Books
ISBN 13 : 0857456032
Total Pages : 303 pages
Book Rating : 4.8/5 (574 download)

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Book Synopsis Comparative and Transnational History by : Heinz-Gerhard Haupt

Download or read book Comparative and Transnational History written by Heinz-Gerhard Haupt and published by Berghahn Books. This book was released on 2012 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the 1970s West German historiography has been one of the main arenas of international comparative history. It has produced important empirical studies particularly in social history as well as methodological and theoretical reflections on comparative history. During the last twenty years however, this approach has felt pressure from two sources: cultural historical approaches, which stress microhistory and the construction of cultural transfer on the one hand, global history and transnational approaches with emphasis on connected history on the other. This volume introduces the reader to some of the major methodological debates and to recent empirical research of German historians, who do comparative and transnational work.

Nature Protests

Author : Edward Snajdr
Publisher : University of Washington Press
ISBN 13 : 0295988568
Total Pages : 257 pages
Book Rating : 4.2/5 (959 download)

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Book Synopsis Nature Protests by : Edward Snajdr

Download or read book Nature Protests written by Edward Snajdr and published by University of Washington Press. This book was released on 2008 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, Edward Snajdr demonstrates how concerns about ecology generated a social movement that led to political dialogue about freedom, ethnicity, and power. He connects the role that green dissidents played in communism's collapse with the forces in Slovak society that replaced them. Through ethnographic interviews and archival materials, he explains why Slovakia's ecology movement, so strong under socialism, fell apart so rapidly despite the persistence of serious ecological maladies in the region. Synthesizing theory in anthropology and political ecology, he suggests that the fate of environmentalism in Slovakia marks the beginning of a global post-ecological age, where nature is culturally maginalized in new ways.

Cleansing the Czechoslovak Borderlands

Author : Eagle Glassheim
Publisher : University of Pittsburgh Press
ISBN 13 : 0822981947
Total Pages : 386 pages
Book Rating : 4.8/5 (229 download)

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Book Synopsis Cleansing the Czechoslovak Borderlands by : Eagle Glassheim

Download or read book Cleansing the Czechoslovak Borderlands written by Eagle Glassheim and published by University of Pittsburgh Press. This book was released on 2017-01-26 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this innovative study of the aftermath of ethnic cleansing, Eagle Glassheim examines the transformation of Czechoslovakia's Sudetenland from the end of the Second World War, through the Cold War, and into the twenty-first century. Prior to their expulsion in 1945, ethnic Germans had inhabited the Sudeten borderlands for hundreds of years, with deeply rooted local cultures and close, if sometimes tense, ties with Bohemia's Czech majority. Cynically, if largely willingly, harnessed by Hitler in 1938 to his pursuit of a Greater Germany, the Sudetenland's three million Germans became the focus of Czech authorities in their retributive efforts to remove an alien ethnic element from the body politic—and claim the spoils of this coal-rich, industrialized area. Yet, as Glassheim reveals, socialist efforts to create a modern utopia in the newly resettled "frontier" territories proved exceedingly difficult. Many borderland regions remained sparsely populated, peppered with dilapidated and abandoned houses, and hobbled by decaying infrastructure. In the more densely populated northern districts, coalmines, chemical works, and power plants scarred the land and spewed toxic gases into the air. What once was a diverse religious, cultural, economic, and linguistic "contact zone," became, according to many observers, a scarred wasteland, both physically and psychologically. Glassheim offers new perspectives on the struggles of reclaiming ethnically cleansed lands in light of utopian dreams and dystopian realities—brought on by the uprooting of cultures, the loss of communities, and the industrial degradation of a once-thriving region. To Glassheim, the lessons drawn from the Sudetenland speak to the deep social traumas and environmental pathologies wrought by both ethnic cleansing and state-sponsored modernization processes that accelerated across Europe as a result of the great wars of the twentieth century.

Environmental Transitions

Author : Petr Pavlínek
Publisher : Routledge
ISBN 13 : 1134715587
Total Pages : 385 pages
Book Rating : 4.1/5 (347 download)

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Book Synopsis Environmental Transitions by : Petr Pavlínek

Download or read book Environmental Transitions written by Petr Pavlínek and published by Routledge. This book was released on 2002-09-26 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Transitions is a detailed and comprehensive account of the environmental changes in Central and Eastern Europe, both under state socialism and during the period of transition to capitalism. The change in politics in the late 1980s and early 1990s allowed an opportunity for a rapid environmental clean up, in an area once considered one of the most environmentally devastated regions on earth. The book illustrates how transformations after 1989 have brought major environmental improvements, as well as new environmental problems. It shows how environmental policy, economic change and popular support for environmental movements, have specific and changing geographies associated with them. Environmental Transitions addresses a large number of topics, including the historical geographical analysis of the environmental change, health impacts of environmental degradation, the role of environmental issues during the anti-communist revolutions, legislative reform and the effects of transition on environmental quality after 1989. Environmental Transitions contains detailed case studies from the region, which illustrate the complexity of environmental issues and their intimate relationship with political and economic realities. It gives theoretically informed ideas for understanding environmental change in the context of the political economy of state socialism and post-communist transformations, drawing on a wide body of literature from West, Central and Eastern Europe.

Resources of the City

Author : Bill Luckin
Publisher : Routledge
ISBN 13 : 1351903799
Total Pages : 310 pages
Book Rating : 4.3/5 (519 download)

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Book Synopsis Resources of the City by : Bill Luckin

Download or read book Resources of the City written by Bill Luckin and published by Routledge. This book was released on 2017-03-02 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of urban environmental history is a relatively new one, yet it is rapidly moving to the forefront of scholarly research and is the focus of much interdisciplinary work. Given the environmental problems facing the modern world it is perhaps unsurprising that historians, geographers, political, natural and social scientists should increasingly look at the environmental problems faced by previous generations, and how they were regarded and responded to. This volume reflects this growing concern, and reflects many of the key concerns and issues that are essential to our understanding of the problems faced by cities in the nineteenth and twentieth centuries. Addressing a variety of environmental issues, such as clean water supply, the provision/retention of green space, and noise pollution, that faced European and North American cities the essays in this volume highlight the common responses as well as the differences that characterised the reactions to these trans-national concerns.

Environmental Problems in East-Central Europe

Author : Frank Carter
Publisher : Routledge
ISBN 13 : 1134688067
Total Pages : 517 pages
Book Rating : 4.1/5 (346 download)

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Book Synopsis Environmental Problems in East-Central Europe by : Frank Carter

Download or read book Environmental Problems in East-Central Europe written by Frank Carter and published by Routledge. This book was released on 2002-09-26 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this new edition, the progress made in the last decade to solve the environmental problems described in the first edition is assessed. The attempts to bring environmental legislation into line with West European norms is also described. Environmental Problems of East-Central Europe looks at air and water pollution, modern farming, water supplies, waste management and landscape protection. These topics are placed within economic, social and political profiles, as spending on a clean environment must be reconciled with welfare spending and the safeguarding of jobs, European Union assistance, civil society and the work of environmental NGOs are also discussed. All of these matters are considered within the context of the wider geographical area and then by each individual country, including the previously communist states lying to the west of the Soviet Union (now with the former federal states of Czechoslovakia and Yugoslavia broken up into seven different entities) and a review of the former Soviet Union with particular reference to the Baltic States. Environmental Problems in East-Central Europe provides a wealth of up-to-date reference material, with a vast amount of supporting literature on environmental conditions and the functioning of civil society and a map of each country. The environment is being taken seriously by them all, such is the influence of the Rio sustainability agenda in general and the EU environmental 'acquis' in particular. The book reveals that Eastern Europe is not a blighted area, but in some respects has a higher biodiversity than Western Europe. Although there is enormous waste and inefficiency in energy use, people actually consume relatively little and the East therefore has some lessons for the West in terms of managing on the bases of 'fair share' of the earth's resources.

The Spatial Turn

Author : Barney Warf
Publisher : Routledge
ISBN 13 : 1135972664
Total Pages : 249 pages
Book Rating : 4.1/5 (359 download)

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Book Synopsis The Spatial Turn by : Barney Warf

Download or read book The Spatial Turn written by Barney Warf and published by Routledge. This book was released on 2008-09-18 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Across the disciplines, the study of space has undergone a profound and sustained transformation. Space, place, mapping, and geographical imaginations have become commonplace topics in a variety of analytical fields in part because globalization has accentuated the significance of location. While this transformation has led to a renaissance in human geography, it also has manifested itself in the humanities and other social sciences. The purpose of this book is not to announce that space is significant, which by now is well known, but to explore how space is analyzed by a variety of disciplines, to compare and contrast these approaches, identify commonalities, and explore how and why differences appear. The volume includes works by 13 scholars from a variety of geographical regions and disciplines. The chapters combine up-to-date literature reviews concerning the role of space in each discipline and several offer original empirical analyses. Some chapters are concerned with Geography while others explore the role of space in contemporary Anthropology, Sociology, Religion, Political Science, Film, and Cultural Studies. The introduction surveys the development of the spatial turn across the fields under consideration. Despite frequent reference to the spatial turn, this is the first volume to explicitly address how theory and practice concerning space, is used in a variety of fields from diverse conceptual perspectives. This book will appeal to everyone conducting conceptual and theoretical research on space, not simply in Geography, but in related fields as well.

Concepts of Urban-Environmental History

Author : Sebastian Haumann
Publisher : transcript Verlag
ISBN 13 : 383944375X
Total Pages : 295 pages
Book Rating : 4.8/5 (394 download)

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Book Synopsis Concepts of Urban-Environmental History by : Sebastian Haumann

Download or read book Concepts of Urban-Environmental History written by Sebastian Haumann and published by transcript Verlag. This book was released on 2020-03-31 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: In history, cities and nature are often treated as two separate fields of research. »Concepts of Urban-Environmental History« aims to bridge this gap. The contributions to this volume survey major concepts and key issues which have shaped recent debates in the field. They address unresolved questions and future challenges. As a handbook, the collection offers a comprehensive overview for researchers and students, both from a historical and an interdisciplinary background.

Oriental Despotism

Author : Karl August Wittfogel
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Oriental Despotism by : Karl August Wittfogel

Download or read book Oriental Despotism written by Karl August Wittfogel and published by . This book was released on 1963 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Historians and Nature

Author : Ursula Lehmkuhl
Publisher : Berg Publishers
ISBN 13 : 9781845205201
Total Pages : 368 pages
Book Rating : 4.2/5 (52 download)

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Book Synopsis Historians and Nature by : Ursula Lehmkuhl

Download or read book Historians and Nature written by Ursula Lehmkuhl and published by Berg Publishers. This book was released on 2007-09-01 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historians and Nature considers five cutting-edge questions facing environmental historians today. How can we historicise nature? Is nature a historical actor? How have human beings interacted with nature and what patterns have emerged? How do we understand the ecology of urban spaces? What is the history of environmental diplomacy? Focusing on the United States and Germany, the book takes a comparative approach in examining environmental history. The authors draw on a range of interdisciplinary perspectives, including history, cultural studies, human geography, biology and ecology. Case studies include Native Americans and their relationship to the environment, the California Gold Rush and the Coal Fields of the Ruhr Basin in the nineteenth century, the controversial building of dikes in seventeenth-century Germany, cleaning up modern cities, and the Greenpeace movement and the development of international environmental activism in the 1970s.

Resources of the Earth

Author : James R. Craig
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Resources of the Earth by : James R. Craig

Download or read book Resources of the Earth written by James R. Craig and published by . This book was released on 1996 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: An objective presentation of how the Earth's resources are generated, extracted, and how human activities impact the environment. Prepared for first year undergraduates in geology and environmental courses, the text examines minerals, fossil fuels, metals, building materials, water and soil resources, and environmental concerns and alternatives. This new edition increases its emphasis on topical discussions of resource management, and has also added 50 new color photographs and over 100 more illustrations. Annotation copyright by Book News, Inc., Portland, OR