Introdu O Aos Sistemas De Distribui O De Energia El Trica
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Diario Oficial
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Author : Brazil
language : pt-BR
Publisher: Brazil
Release Date : 1957
Diario Oficial written by Brazil and has been published by Brazil this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Law categories.
Laws, decrees, and administrative acts of government.
Renewable Energy Systems
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Author : Martin Kaltschmitt
language : en
Publisher: Springer
Release Date : 2012-12-06
Renewable Energy Systems written by Martin Kaltschmitt and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Humanity is facing a steadily diminishing supply of fossil fuels, causing researchers, policy makers, and the population as a whole to turn increasingly to alternative and especially renewable sources of energy to make up this deficit. Gathering over 80 peer-reviewed entries from the Encyclopedia of Sustainability Science and Technologies, Renewable Energy Systems provides an authoritative introduction to a wide variety of renewable energy sources. State-of-the-art coverage includes geothermal power stations, ocean energy, renewable energy from biomass, waste to energy, and wind power. This comprehensive, two-volume work provides an excellent introduction for those entering these fields, as well as new insights for advanced researchers, industry experts, and decision makers.
Low Friction Arthroplasty Of The Hip
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Author : J. Charnley
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Low Friction Arthroplasty Of The Hip written by J. Charnley and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
The theme of this work is the application of the engmeermg theory of frictional torque to total hip replacement. The author adhered tenaciously to this theory, involving the use of a small-diameter femoral head, throughout the epoch when the large-diame ter, metal-to-metal design dominated the field. During that considerable period general satisfaction with the early results rendered criticisms of the large-diameter head unwelcome. There was a formidable array of counter criticism: the small head would pierce a film of synovial fluid; the small head would wear the socket too rapidly; the small head would always have a high risk of dislocation; detachment of the trochanter, to achieve precise orientation for the small head, was unacceptable. But all these objections have now been largely overcome. Lubrication of high molecular weight polyethylene (HMWP) on metal is now accepted as being mainly by the boundary regime with thick fluid films playing no part. We now know that HMWP can indeed tolerate the very high stresses imposed by the small head and in tribological theory there may even be some advantage in high stress. Dislocation is now known not to be an automatic sequel to the small head.
Improving Energy Efficiency
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Author : United States Air Force Academy. Library
language : en
Publisher:
Release Date : 1979
Improving Energy Efficiency written by United States Air Force Academy. Library and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Energy conservation categories.
This bibliography was prepared to assist participants in the 21st Air Force Academy Assembly to be held at the Academy on 16-21 April 1979. It represents a selected portion of the Air Force Academy Library's holdings on the topic indicated.
Coastal Marine Ecosystems Of Latin America
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Author : U. Seeliger
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-10-18
Coastal Marine Ecosystems Of Latin America written by U. Seeliger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-18 with Science categories.
Coastal and marine ecosystems, some severely degraded, other still pristine, control rich resources of inshore environments and coastal seas of Latin America's Pacific and Atlantic margins. Conflicts between the needs of the region's nations and diminishing revenues and environmental quality have induced awareness of coastal ecological problems and motivated financial support for restoration and management. The volume provides a competent review on the structure, processes and function of 22 important Latin American coastal marine ecosystems. Each contribution describes the environmental settings, biotic components and structure of the system, considers trophic processes and energy flow, evaluates the modifying influence of natural and human perturbations, and suggests management needs. Although the focus of the book is on basic ecological research, the results have application for coastal managers.
Renewables For Power Generation
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Author : Stefan Nowak
language : en
Publisher: International Energy Agency, OECD
Release Date : 2003
Renewables For Power Generation written by Stefan Nowak and has been published by International Energy Agency, OECD this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Business & Economics categories.
A survey of the current state of solar, bioenergy, geothermal, wind and small hydropower technologies used to produce electricity, and assess their future prospects.
Performance Indicators For Water Supply Services
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Author : Helena Alegre
language : en
Publisher: IWA Publishing
Release Date : 2016-09-15
Performance Indicators For Water Supply Services written by Helena Alegre and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-15 with Science categories.
The IWA Performance Indicator System for water services is now recognized as a worldwide reference. Since it first appearance in 2000, the system has been widely quoted, adapted and used in a large number of projects both for internal performance assessment and metric benchmarking. Water professionals have benefited from a coherent and flexible system, with precise and detailed definitions that in many cases have become a standard. The system has proven to be adaptable and it has been used in very different contexts for diverse purposes. The Performance Indicators System can be used in any organization regardless of its size, nature (public, private, etc.) or degree of complexity and development. The third edition of Performance Indicators for Water Supply Services represents a further improvement of the original manual. It contains a reviewed and consolidated version of the indicators, resulting from the real needs of water companies worldwide that were expressed during the extensive field testing of the original system. The indicators now properly cover bulk distribution and the needs of developing countries, and all definitions have been thoroughly revised. The confidence grading scheme has been simplified and the procedure to assess the results- uncertainty has been significantly enhanced. In addition to the updated contents of the original edition, a large part of the manual is now devoted to the practical application of the system. Complete with simplified step-by-step implementation procedures and case studies, the manual provides guidelines on how to adapt the IWA concepts and indicators to specific contexts and objectives. This new edition of Performance Indicators for Water Supply Services is an invaluable reference source for all those concerned with managing the performance of the water supply industry, including those in the water utilities as well as regulators, policy-makers and financial agencies.
Ideology And Modern Culture
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Author : John B. Thompson
language : en
Publisher: John Wiley & Sons
Release Date : 2013-05-02
Ideology And Modern Culture written by John B. Thompson and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-02 with Social Science categories.
In this major new work, Thompson develops an original account of ideology and relates it to the analysis of culture and mass communication in modern Societies. Thompson offers a concise and critical appraisal of major contributions to the theory of ideology, from Marx and Mannheim, to Horkheimer, Adorno and Habermas. He argues that these thinkers - and social and political theorists more generally - have failed to deal adequately with the nature of mass communication and its role in the modern world. In order to overcome this deficiency, Thompson undertakes a wide-ranging analysis of the development of mass communication, outlining a distinctive social theory of the mass media and their impact.
Sugarcane Bioethanol
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Author : Luís Augusto Barbosa Cortez
language : en
Publisher:
Release Date : 2010
Sugarcane Bioethanol written by Luís Augusto Barbosa Cortez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Business & Economics categories.
In Brazil, sugarcane ethanol supplied, in 2009, 17.6 % of the energy for land transportation (excluding railroads)and about 55% of the total energy supplied by liquid fuel for Otto cycle engines. Besides the lower production costs ethanol produced from sugarcane in Brazil has another important advantage: in Central-South Brazil only 1 unit of fossil energy is used for each 8-9 units of energy produced by ethanol from sugarcane. Carbon emissions reduction also benefits from sugarcane ethanol: for each cubic meter of ethanol used as fuel, there is net saving of around 2 t CO2 not emitted to the atmosphere while, at the same time, no SO2 is emitted. Sugarcane was introduced in Brazil in 1532. The "Brazilian model" of producing concomitantly sugar and ethanol, brought important technical benefits and made possible an outstanding increase in the competitiveness in the international market for sugar and ethanol. Today about 50% of the sucrose of sugarcane produced in the country is directed to the production of sugar while another half is used to produce Ethanol. Industrial and academic R&D has helped to increase the productivity of ethanol steadily over the past 35 years, at a rate of 3.2% per year. Productivity gains implied savings of planted area by a factor of 2.6. In 2009/2010 the area planted with sugarcane for Ethanol production was 4.2 Mha, amounting to 1% of the total arable land available in Brazil. About 60% of the Ethanol produced in Brazil comes from the State of Sao Paulo, where the productivity is the highest (around 86 t/ha.year). Most of the recent expansion is happening in the center-west region of the country, in degraded pasture lands. The FAPESP Program for Research on Bioenergy, BIOEN, aims at articulating public and private R&D, using academic and industrial laboratories to advance and apply knowledge in fields related to ethanol production in Brazil. The BIOEN Program has a solid core for supporting academic exploratory research activities that will generate new knowledge and form scientists and professionals essential for advancing industry capacity in ethanol related technologies. On top of this, BIOEN includes partnerships with industry for cooperative R&D activities between industrial and academic laboratories, which are to be co-funded by FAPESP and industry.Federal agencies, such as CNPq, will also co-fund the research.
China S Environmental Crisis An Enquiry Into The Limits Of National Development
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Author : Vaclav Smil
language : en
Publisher: Routledge
Release Date : 2016-09-16
China S Environmental Crisis An Enquiry Into The Limits Of National Development written by Vaclav Smil and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-16 with Political Science categories.
In 1982, Vaclav Smil turned upside down traditional perceptions of China as a green paradise in "The Bad Earth", a disturbing book. This new volume, drawn on a much broader canvas, updates and expands on the basic arguments and perceptions of "The Bad Earth". This book is not a systematic litany of what went wrong and how much - but rather an inquiry into the fundamental factors, needs, prospects, and limits of modern Chinese society, all seen through the critical environmental constraints and impacts.
