Earths
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Rare Earths
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Author :
language : en
Publisher:
Release Date : 1995
Rare Earths written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Rare earth industry categories.
Rare Earths Industry
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Author : Ismar Borges De Lima
language : en
Publisher: Elsevier
Release Date : 2015-09-10
Rare Earths Industry written by Ismar Borges De Lima and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-10 with Science categories.
Rare Earths elements are composed of 15 chemical elements in the periodic table. Scandium and yttrium have similar properties, with mineral assemblages, and are therefore referred alike in the literature. Although abundant in the planet surface, the Rare Earths are not found in concentrated forms, thus making them economically valued as they are so challenging to obtain. Rare Earths Industry: Technological, Economic and Environmental Implications provides an interdisciplinary orientation to the topic of Rare Earths with a focus on technical, scientific, academic, economic, and environmental issues. Part I of book deals with the Rare Earths Reserves and Mining, Part II focuses on Rare Earths Processes and High-Tech Product Development, and Part III deals with Rare Earths Recycling Opportunities and Challenges. The chapters provide updated information and priceless analysis of the theme, and they seek to present the latest techniques, approaches, processes and technologies that can reduce the costs of compliance with environmental concerns in a way it is possible to anticipate and mitigate emerging problems. Discusses the influence of policy on Rare Earth Elements to help raise interest in developing strategies for management resource development and exploitation Global contributions will address solutions in countries that are high RE producers, including China, Brazil, Australia, and South China End of chapter critical summaries outline the technological, economic and environmental implications of rare earths reserves, exploration and market Provides a concise, but meaningful, geopolitical analysis of the current worldwide scenario and importance of rare earths exploration for governments, corporate groups, and local stakeholders
The Physics Of The Earth S Core
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Author : P. Melchior
language : en
Publisher: Elsevier
Release Date : 2013-10-22
The Physics Of The Earth S Core written by P. Melchior and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
An expanded version of a course on the physics of the Earth's interior by an internationally recognised expert in the field. It is a reference text providing condensed information on those essential physical topics needed by both the non-specialist scientist and student to follow the most recent developments in internal geophysics. It is a key to understanding papers covering theoretical geophysics where the basic formulae, definitions and theorems cannot be explained in detail due to the limited space and thus enables the reader to remain aware of the continuous progress being made in studying the Earth's interior.
Understanding Earth S Deep Past
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2011-08-02
Understanding Earth S Deep Past written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-02 with Science categories.
There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases. Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life. In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students.
Earth S Hope
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Author : Ann Gimpel
language : en
Publisher: Ann Gimpel Books, LLC
Release Date : 2015-03-05
Earth S Hope written by Ann Gimpel and has been published by Ann Gimpel Books, LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-05 with Fiction categories.
Power so old, deep, and chilling it hurts to think about it will overrun Earth if nothing changes. Targeted, furious, and fighting back, Aislinn runs wide open, gathering allies and putting her life on the line. Aislinn Lenear has traveled a long road since the dark gods invaded Earth better than three years ago. After seeing her father slaughtered in front of her, and her mother sink into madness, Aislinn built strong walls around her heart. First her bond wolf, and then Fionn MacCumhaill, changed all that, but she and Fionn are far from home free. Four of the six dark gods are still sowing destruction, and they’ve joined forces with Lemurians, a desperate lot, running just ahead of the tide of their own mortality. In a bold move, they try to coopt a group of young dragons, and very nearly succeed. Dewi, the Celtic dragon god, and Nidhogg, the Norse dragon god, banish their brood to the dragons’ home world, but they refuse to stay put. In a fast-paced, tension-riddled closure to this dystopian, urban fantasy series, Earth's Hope sweeps from Ireland to the Greek Islands to the Pacific Northwest to borderworlds where the dark gods live. Fionn’s and Aislinn’s relationship is strained to the breaking point as they struggle to work together without tearing one another to bits. Fionn is used to being obeyed without question, but Aislinn won’t dance to his tune. If they can find their way, there may be hope for a ravaged Earth.
Protecting Earth S Water Supply
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Author : Ron Fridell
language : en
Publisher: Lerner Publications
Release Date : 2015-08-01
Protecting Earth S Water Supply written by Ron Fridell and has been published by Lerner Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-01 with Juvenile Nonfiction categories.
From roaring oceans to trickling streams, water covers seventy percent of our planet! But did you know that less than one percent of Earth’s water is usable by humans? Most water on Earth is salt water. It can’t be used for drinking, bathing, or growing plants. We need freshwater. Yet about two-thirds of Earth’s freshwater is frozen solid at the North and South Poles. And the water we can access—from lakes, rivers, streams, wetlands, or underground sources—is in danger of being polluted. There is not enough water to waste. We must join together in the quest to protect this valuable resource. With engaging text and eye-catching images—plus a special Going Green section—this book tells you all about Earth’s water and what you can do to protect it.
The History And Use Of Our Earth S Chemical Elements
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Author : Robert E. Krebs
language : en
Publisher: Bloomsbury Publishing USA
Release Date : 2006-07-30
The History And Use Of Our Earth S Chemical Elements written by Robert E. Krebs and has been published by Bloomsbury Publishing USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-30 with Science categories.
Understanding the Periodic Table of Chemical Elements is critical for success in the chemistry classroom and laboratory. In today's classroom, students not only need to understand the properties of the chemical elements, but how these elements play such an integral role in industry, the earth and the environment, and in modern life. No resource provides a better introduction than Robert Krebs's The History and Use of Our Earth's Chemical Elements. In this thoroughly revised edition, with extensive new examples on the importance of the chemical elements, the elements are examined within their groups, enabling students to make connections between elements of similar structure. In addition, the discovery and history of each element - from those known from ancient times to those created in the modern laboratory - is explained clearly and concisely. Understanding the Periodic Table of Chemical Elements is critical for success in the chemistry classroom and laboratory. In today's classroom, students not only need to understand the properties of the chemical elements, but how these elements play such an integral role in industry, the earth and the environment, and in modern life. No resource provides a better introduction than Robert Krebs's The History and Use of Our Earth's Chemical Elements. In this thoroughly revised edition, with extensive new and updated examples on the use of the chemical elements, the elements are examined within their groups, enabling students to make connections between elements of similar structure. In addition, the discovery and history of each element - from those known from ancient times to those created in the modern laboratory - is explained clearly and concisely. In addition to the handy Guide to the Chemical Elements that comprises the bulk of the work, The History and Use of Our Earth's Chemical Elements includes other useful features: ; Introductory material on the basics of chemistry and the Periodic Table ; Appendices on the discoverers of the chemical elements ; A glossary of words commonly used in chemistry and chemical engineering ; A complete bibliography of useful resources, including websites All of this information makes The History and Use of Our Earth's Chemical Elements the ideal one-volume resource for understanding the importance of the chemical elements.
The Earth S Ionosphere
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Author : Michael C. Kelley
language : en
Publisher: Academic Press
Release Date : 2009-06-12
The Earth S Ionosphere written by Michael C. Kelley and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-12 with Science categories.
Although interesting in its own right, due to the ever-increasing use of satellites for communication and navigation, weather in the ionosphere is of great concern. Every such system uses trans-ionospheric propagation of radio waves, waves which must traverse the commonly turbulent ionosphere. Understanding this turbulence and predicting it are one of the major goals of the National Space Weather program. Acquiring such a prediction capability will rest on understanding the very topics of this book, the plasma physics and electrodynamics of the system. Fully updated to reflect advances in the field in the 20 years since the first edition published Explores the buffeting of the ionosphere from above by the sun and from below by the lower atmosphere Unique text appropriate both as a reference and for coursework
Accretion Of Extraterrestrial Matter Throughout Earth S History
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Author : Bernhard Peucker-Ehrenbrink
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Accretion Of Extraterrestrial Matter Throughout Earth S History written by Bernhard Peucker-Ehrenbrink 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 Science categories.
Every year Earth is bombarded with about 40,000 tons of extraterrestrial material. This includes microscopic cosmic dust particles shed by comets and asteroids in outer space, meteorites, as well as large comets and asteroids that have led to catastrophic events in the geologic past. Originally considered only a curiosity, extraterrestrial matter found on Earth provides the only samples we have from comets, asteroids and other planets. Only recently mankind has started to actively collect extraterrestrial matter in space (Apollo program, Stardust mission) rather than to wait for its delivery to Earth. Still, most of our knowledge of the origin and evolution of our solar system is based on careful studies of meteorites, cosmic dust, and traces of large impact events in the geologic record such as the mass extinction that terminated the Cretaceous Period and led to the extinction of the dinosaurs. This book summarizes our current knowledge of the properties, origin, orbital evolution and accretion mechanism of extraterrestrial matter accreted on Earth and sheds light on accretion processes and fluxes in the geologic past. The chapters in the first part of the book are arranged in order to follow extraterrestrial matter from its origin in space, its orbital evolution on its way to Earth, its interaction with the Earth magnetosphere and atmosphere to its more or less violent collision with the Earth's surface. In the second part of the book several chapters deal with the present?day flux of cosmic dust and meteorites to Earth. Finally, several chapters deal with the reconstruction of the accretion history of extraterrestrial matter on Earth, starting with the most recent geologic past and ending with the very early, violent accretion period shortly after the formation of Earth, Moon and other solid planets in our solar system.
Global Warming And Earth S Evolution
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Author : Graham Winston
language : en
Publisher: Xlibris Corporation
Release Date : 2012-05-15
Global Warming And Earth S Evolution written by Graham Winston and has been published by Xlibris Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-15 with Nature categories.
Global warming is a major phenomenon that is negatively affecting Earth. But what most people dont realize is that this effect is not limited within the planets atmosphere; it may also affect Earths journey through space. In Global Warming and Earths Evolution, author Graham Winston reveals that the bigger picture is bigger than Global Warming and Global Warming is only the tip of the iceberg of Earths own challenges. The book describes the real truths of Global Warming is mainly caused by mans unnecessary destruction of natural resources earth depends on to be in a good condition to successfully complete its next evolution cycle. The book explains the importance of the cycles and what evolutionary changes occurred on earth. Many previous unexplained phenomena could be linked to earths evolutionary cycles. The extinction of the dinosaur, the birth of the Grand Canyon: why has no large object recently collided with the Moon when millions of craters exist on the Moon? Why has the impacts stopped and when will the impacts start happening again? These and other fascinating examples of unsolved phenomena will open the minds of many readers to this new dimension of thinking what happened on earth millions of years ago and whether earth will survive the next evolutionary cycle. Global Warming has caused a negative effect on earth natural defense mechanism earth depends on to survive the severe challenges when close to the core of the Milky Way Galaxy. About the Author Graham Winstons professional experience spans over 20 years and involves solving complex problems. To achieve success in these business fields Winston solved many complex problems. The common skill applied across these fields was the development of innovative thinking. This later led to apply these same problem-solving techniques on Global Warming and Earths evolution cycles to understand the relationship between Global Warming and Earths own evolutionary journey as Earth travels across the Universe.