Rarity And Refinement
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Rarity And Refinement
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Author : Christie, Manson & Woods
language : en
Publisher:
Release Date : 2018
Rarity And Refinement written by Christie, Manson & Woods and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Refining And Purification Of Rare Earth Metals
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Author :
language : en
Publisher:
Release Date : 1959
Refining And Purification Of Rare Earth Metals written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.
Behavioral differences within the rare earth metal group are sufficiently pronounced to make generalizations in regard to parification of questionable value. In the few cases where the same technique has been applied to two members of the group, the results as often as not have been contradictory. Nevertheless, it would appear that those techniques which are generally most promising for purification of the rare earth metals are distillation and solid state electrolysis. Zone refining may be of value for some impurities, but the van Arkel--de Boer deposition technique appears to hold little promise. None of the techniques with the possible exception of amalgamation is particularly attractive as a production process, and it must be concluded that refinement of the reduction itself is the optimum method for obtaining a pure metal in quantity. A similar conclusion was reached in a recent theoretical survey of metal refining techniques. (auth).
Refined Carbohydrate Foods And Disease
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Author : D Burkitt
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Refined Carbohydrate Foods And Disease written by D Burkitt and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Medical categories.
Refined Carbohydrate Foods and Disease: Some Implications of Dietary Fibre addresses the geographical distribution and historical emergence of the characteristically western diseases, which may be accounted for on a common dietary basis, particularly, on deficiency of dietary fiber. The book is divided into 10 parts, each with number of chapters focusing on relationship between disease and the environment; refined carbohydrate foods; various diseases of the large intestine; and other diseases that are associated with constipation, straining at stool, and refined carbohydrate foods. The book shows the role of refined carbohydrate foods as a significant cause of diseases, because it removes fiber, which has many unsuspected physiological functions. This reference is deemed to be useful to forge stronger links between epidemiologists and experimental workers.
Thermodynamics For Sustainable Management Of Natural Resources
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Author : Wojciech Stanek
language : en
Publisher: Springer
Release Date : 2017-05-27
Thermodynamics For Sustainable Management Of Natural Resources written by Wojciech Stanek and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-27 with Business & Economics categories.
This book examines ways of assessing the rational management of nonrenewable resources. Integrating numerous methods, it systematically exposes the strengths of exergy analysis in resources management. Divided into two parts, the first section provides the theoretical background to assessment methods, while the second section provides practical application examples. The topics covered in detail include the theory of exergy cost and thermo-ecological cost, cumulative calculus and life cycle evaluation. This book serves as a valuable resource for researchers looking to investigate a range of advanced thermodynamic assessments of the influence of production processes on the depletion of nonrenewable resources.
Rietveld Refinement In The Characterization Of Crystalline Materials
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Author : Igor Djerdj
language : en
Publisher: MDPI
Release Date : 2019-01-28
Rietveld Refinement In The Characterization Of Crystalline Materials written by Igor Djerdj and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-28 with categories.
This book is a printed edition of the Special Issue "Rietveld Refinement in the Characterization of Crystalline Materials" that was published in Crystals
Refined Tastes
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Author : Wendy A. Woloson
language : en
Publisher: Johns Hopkins University Press+ORM
Release Date : 2003-04-30
Refined Tastes written by Wendy A. Woloson and has been published by Johns Hopkins University Press+ORM this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-04-30 with History categories.
A look at sugar in 19th-century American culture and how it rose in popularity to gain its place in the nation’s diet today. American consumers today regard sugar as a mundane and sometimes even troublesome substance linked to hyperactivity in children and other health concerns. Yet two hundred years ago American consumers treasured sugar as a rare commodity and consumed it only in small amounts. In Refined Tastes: Sugar, Confectionery, and Consumers in Nineteenth-Century America, Wendy A. Woloson demonstrates how the cultural role of sugar changed from being a precious luxury good to a ubiquitous necessity. Sugar became a social marker that established and reinforced class and gender differences. During the eighteenth and early nineteenth centuries, Woloson explains, the social elite saw expensive sugar and sweet confections as symbols of their wealth. As refined sugar became more affordable and accessible, new confections—children’s candy, ice cream, and wedding cakes—made their way into American culture, acquiring a broad array of social meanings. Originally signifying male economic prowess, sugar eventually became associated with femininity and women’s consumerism. Woloson’s work offers a vivid account of this social transformation—along with the emergence of consumer culture in America. “Elegantly structured and beautifully written . . . As simply an explanation of how Americans became such avid consumers of sugar, this book is superb and can be recommended highly.” —Ken Albala, Winterthur Portfolio “An enlightening tale about the social identity of sweets, how they contain not just chewy centers but rich meanings about gender, about the natural world, and about consumerism.” —Cindy Ott, Enterprise and Society
Tremaine Or The Man Of Refinement Vol 1 Of 3 Classic Reprint
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Author :
language : en
Publisher: Forgotten Books
Release Date : 2016-10-31
Tremaine Or The Man Of Refinement Vol 1 Of 3 Classic Reprint written by and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-31 with categories.
Excerpt from Tremaine, or the Man of Refinement, Vol. 1 of 3 Yet ambition is at least as full as ever of falset and treachery of the cajoleries of honest men by confidants in omoe; of the sacrifice of friends, and the prevalency of upstart in uence. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Structural Electrical And Magnetic Properties Of Rare Earth Doped Spinel Ferrites
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Author : Dr. Yogiraj Vijapure
language : en
Publisher: Ashok Yakkaldevi
Release Date : 2022-09-13
Structural Electrical And Magnetic Properties Of Rare Earth Doped Spinel Ferrites written by Dr. Yogiraj Vijapure and has been published by Ashok Yakkaldevi this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-13 with Art categories.
The first natural magnetic material found to man in pre historic time was magnetite (Fe3O4), which is now known as ferrous ferrite. The story of ferrites begins with the search for ferromagnetic material of usual high resistivity to obtain reasonable low eddy current losses. When ferrimagnetic materials placed in alternating field, eddy current generates into them, which dissipates energy. These losses can be reduced by lamination of ferrimagnetic core to restrict eddy current. Since, eddy current losses are inversely proportional to the resistivity; they can be minimized by use of magnetic materials of high resistivity. Ferrites having resistivity of up to 107Ωm as compared to 10-7Ωm of iron, reduces the eddy current losses in them to a negligible value, even at microwave frequencies.
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
Principles Of Metal Refining And Recycling
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Author : Thorvald Abel Engh
language : en
Publisher: Oxford University Press
Release Date : 2021
Principles Of Metal Refining And Recycling written by Thorvald Abel Engh and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Science categories.
Principles of Metal Refining and Recycling provides a self-contained introduction to the field of purification and recycling of metals. The scientific principles in the treatment of the various metals are the same. The importance of using a clean and properly alloyed metal is described in detail. The text covers thermodynamics, physical and transport properties, mixing, mass transfer and numerical models. It describes methods for removal of dissolved impurity elements, particles, and inclusions. It considers important aspects of the solidification process, remelting and adding of alloys. Recycling, future challenges and specific processes for each metal are discussed in detail. The book is a greatly extended update of the 1992 book Principles of Metal Refining by T. Abel Engh. It includes in particular the subjects of metal recycling, ferrous and non-ferrous metal refining, and metalloids like silicon.