Unsere einsame Erde

Author: Peter D. Ward,Donald Brownlee

Publisher: Springer-Verlag

ISBN: 3642565069

Category: Science

Page: 374

View: 4966

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Sind wir vielleicht allein im Universum? Die Antworten überraschen und führen den Leser auf eine faszinierende Reise von den vulkanischen Quellen des Ozeanbodens bis zum Jupiter-Mond. "...ein stellares Beispiel präziser Ausdruckskraft." (American Scientist)

Unsere Einsame Erde

Author: Peter Douglas Ward,Donald Brownlee

Publisher: Springer

ISBN: 9783540413653

Category: Science

Page: 374

View: 472

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Sind wir allein im Universum? Auf diese Frage geben der Geologe Peter D. Ward und der Astrobiologe Donald Brownlee überraschende Antworten. Sie widersprechen der allgemeinen Annahme, dass höher entwickeltes Leben außerhalb der Erde existiert, vielleicht sogar weit verbreitet ist. Auf der Suche nach Leben im Universum nehmen sie den Leser mit auf eine spannende Reise von den heißen vulkanischen Quellen des Ozeanbodens bis zu dem frostigen Antlitz von Europa, dem Jupiter-Mond. Dabei lernt der Leser, dass niedrig entwickeltes Leben vielleicht weiter verbreitet ist, als bisher angenommen, die Entstehung höher entwickelten Lebens aber zu komplex ist, um außerhalb der Erde stattfinden zu können. Ein faszinierendes, erfrischend geschriebenes Buch, das auf dem neuesten Stand der Wissenschaft beruht.

Rare Earth Minerals

Chemistry, Origin and Ore Deposits

Author: A.P. Jones,F. Wall,C.T. Williams

Publisher: Springer Science & Business Media

ISBN: 9780412610301

Category: Science

Page: 372

View: 6159

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30% discount for members of The Mineralogical Society of Britain and Ireland Rare Earth Minerals presents a current overview of this geologically and industrially important group of minerals. It presents a wide variety of formats, crystal structures, petrographic descriptions, analytical data and numerous illustrations from outcrop photos to SEM pictures and crystallographic models.

Extractive Metallurgy of Rare Earths, Second Edition

Author: Nagaiyar Krishnamurthy,Chiranjib Kumar Gupta

Publisher: CRC Press

ISBN: 1466576383

Category: Technology & Engineering

Page: 839

View: 2858

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New Edition Now Covers Recycling, Environmental Issues, and Analytical Determination Employing four decades of experience in the rare metal and rare earths industry, the authors of Extractive Metallurgy of Rare Earths, Second Edition present the entire subject of rare earth elements with depth and accuracy. This second edition updates the most important developments from the past 10 years. It emphasizes advances made in rare-earth materials processing (converting a rare-earth metal, alloy, or compound to a device-ready material), breakthroughs in the area of rare-earth separation, and now includes a chapter on the recycling of rare earth elements from magnets, batteries, and phosphors among others, covering both manufacturing scrap or materials in end of life devices. Essential to Your Collection This second edition presents comprehensive, detailed, and up-to-date coverage that includes: All aspects of rare earth extractive metallurgy A status of rare earth extraction from various world resources Flow sheets that can be used for rare earths separation, metal reduction, alloy making, refining and end product materials preparation Techniques of various rare earths recycling options An outline of environmental issues in rare earths mining and processing Methods of rare earths determination and analyses of components and impurities in rare earth materials Information extensively linked to primary literature with a complete listing of references A narration of the changing scenario of world rare earth resources and possibility of their exploitation An indispensable resource, Extractive Metallurgy of Rare Earths, Second Edition explains the many aspects of rare earth extractive metallurgy clearly and systematically. The text reveals process implementation possibilities and research opportunities, and considers potential solutions to the challenges impacting this rapidly changing industry.

Rare Earth

Why Complex Life is Uncommon in the Universe

Author: Peter D. Ward,Donald Brownlee

Publisher: Springer Science & Business Media

ISBN: 0387952896

Category: Science

Page: 338

View: 456

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What determines whether complex life will arise on a planet, or even any life at all? Questions such as these are investigated in this groundbreaking book. In doing so, the authors synthesize information from astronomy, biology, and paleontology, and apply it to what we know about the rise of life on Earth and to what could possibly happen elsewhere in the universe. Everyone who has been thrilled by the recent discoveries of extrasolar planets and the indications of life on Mars and the Jovian moon Europa will be fascinated by Rare Earth, and its implications for those who look to the heavens for companionship.

Principal Rare Earth Elements Deposits of the U. S.

A Summary of Domestic Deposits and a Global Perspective

Author: Keith R. Long

Publisher: DIANE Publishing

ISBN: 1437942989

Category:

Page: 96

View: 7931

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The rare earth elements (REE) are 15 elements with atomic no. 57 through 71, from lanthanum to lutetium, plus yttrium. Although industrial demand for these elements is relatively small in tonnage terms, they are essential for a diverse and expanding array of high-tech applications. REE-containing magnets, metal alloys for batteries and lightweight structures, and phosphors are essential for many current and emerging alternative energy technologies, such as electric vehicles, energy-efficient lighting, and wind power. REE are also critical for a number of key defense systems. This study provides a non-technical overview of domestic reserves and resources of REE and possibilities for utilizing those resources. Illus. This is a print on demand report.

Rare Earth Fractionation in Hawaiian Volcanic Rocks

Author: Jean Guy Schilling

Publisher: N.A

ISBN: N.A

Category: Earths, Rare

Page: 390

View: 3069

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The procedure for determination of the rare earth elements and yttrium utilizing tracer-monitored group separation, neutron activation and carrier-free partition chromatography developed by Volfovsky et al. (1963) was revised and improved. Using this improved procedure, rare earth and yttrium abundances were measured in twenty Hawaiian lavas of known chemical and mineralogical composition, one peridotite inclusion from Salt Lake Crater, Oahu, and one olivine-rich nodule and its host 1801 basalt flow from Hualalai, Hawaii, and a diabase from Oahu. When comparing the rare earths, element by element, in the twenty lavas, to a low potassium olivine tholeiite, four distinct groupings were observed. The origin and genetic relationships of these different groups are discussed in the light of their rare earth patterns, mineral patterns from other localities, experimental petrology, theoretical and geochemical reasoning. Possible processes operative in the formation of these lavas, such as fractional crystallization, partial melting, fractional melting, limestone syntexis and fractional resorption are explored. The origin of the ultramafic inclusions is also briefly discussed.

The Rare Earth Elements

Fundamentals and Applications

Author: David A. Atwood

Publisher: John Wiley & Sons

ISBN: 111863263X

Category: Science

Page: 696

View: 1219

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Lanthanides are of great importance for the electronic industries, this new book (from the EIBC Book Series) provides a comprehensive coverage of the basic chemistry, particularly inorganic chemistry, of the lanthanoid elements, those having a 4f shell of electrons. A chapter is describing the similarity of the Group 3 elements, Sc, Y, La, the group from which the lanthanoids originate and the group 13 elements, particularly aluminum, having similar properties. Inclusion of the group 3 and 13 elements demonstrates how the lanthanoid elements relate to other, more common, elements in the Periodic Table. Beginning chapters describe the occurrence and mineralogy of the elements, with a focus on structural features observed in compounds described in later chapters. The majority of the chapters is organized by the oxidation state of the elements, Ln(0), Ln(II), Ln(III), and Ln(IV). Within this organization the chapters are further distinguished by type of compound, inorganic (oxides and hydroxides, aqueous speciation, halides, alkoxides, amides and thiolates, and chelates) and organometallic. Concluding chapters deal with diverse and critically important applications of the lanthanoids in electronic and magnetic materials, and medical imaging.

Rare Earth Elements

The Global Supply Chain

Author: Marc Humphries

Publisher: DIANE Publishing

ISBN: 1437937985

Category:

Page: 14

View: 6459

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Contents: (1) Intro.; (2) What are Rare Earth Elements (REE)?; (3) Major End Uses and Applications: Demand for REE; The Application of REE in National Defense; (4) Rare Earth Resources and Production Potential; Supply Chain Issues; Role of China; (5) Rare Earth Legislation in the 111th Congress: H.R. 4866, and S. 3521, the Rare Earths Supply-Chain Technology and Resources Transformation Act of 2010; H.R. 5136, the FY 2011 Nat. Defense Authorization Act; P.L. 111-84, the FY 2010 Nat. Defense Authorization Act; (6) Possible Policy Options: Authorize and Appropriate Funding for a USGS Assessment; Support and Encourage Greater Exploration for REE; Challenge China on Its Export Policy; Establish a Stockpile. Illustrations.

Rare Earth

A Novel

Author: Paul Mason

Publisher: Oldcastle Books

ISBN: 1842438476

Category: Fiction

Page: 352

View: 4260

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A washed up TV reporter stumbles onto a corruption scandal in Western China. Pursued through the desert by a psychotic spin-doctor and a world-weary cop, he discovers the real China: illegal metal mines, a fashion-crazed gang of girl bikers, a whole commune of Tiananmen Square survivors and the up-market sleaze-joints of Beijing. En route, he clashes with a stellar cast of people-traffickers, prostitutes and TV execs. But then the unquiet dead begin to intervene: ghosts from his own past and the past of Chinese Communism; the 'spirits that hover three feet above our heads' of Chinese folklore. Rare Earth is a story about love, journalism, ghosts, metallurgy, vintage militaria and large motorcycles set in the badlands of Inner Mongolia and Ningxia. It is about the west's inability to understand the East; one man's epic journey across a dying landscape, where 'thousands of pairs of eyes peer beyond grimy windowpanes into the moonless sky, looking for something better.'

Molecular Catalysis of Rare-Earth Elements

Author: Peter W. Roesky

Publisher: Springer Science & Business Media

ISBN: 3642128106

Category: Science

Page: 250

View: 4784

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There is an increasing need to find cost-effective and environmentally sound methods of converting natural resources into fuels, chemicals and energy; catalysts are pivotal to such processes. Catalysis highlights major developments in this area. Coverage of this Specialist Periodical Report includes all major areas of heterogeneous catalysis. n each volume, specific areas of current interest are reviewed. Examples of topics include experimental methods, acid/base catalysis, materials synthesis, environmental catalysis, and syngas conversion.

Hydrometallurgy of Rare Earths

Extraction and Separation

Author: Dezhi Qi

Publisher: Elsevier

ISBN: 0128139218

Category: Technology & Engineering

Page: 804

View: 7540

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Hydrometallurgy of Rare Earths: Extraction and Separation provides the basic knowledge for rare earth extraction and separation, including flow sheet selection criteria and related technology. The book includes the latest research findings on all rare earth separation processes, methods of controlling operation costs, and strategies that help lower wastewater and waste solid discharge. It discusses many real process parameters and actual situations in rare earth separation plants, also examining the basic principles, technologies, process parameters and advances and achievements in the area of rare earth extraction and separation. In addition, the book covers extraction separation theory as developed by Professor Guanxian Xu and Professor Chunhua Yan and the creative use of a computational simulation program to replace the bench scale and pilot plant tests and directly design rare earth extraction separation processes. Outlines the theory of solvent extraction and separation of rare earths (REs) Provides the necessary tools for a REs separation plant design Includes a unique simulation program for the calculation of all process parameters Includes Chinese nomenclature that is useful for identifying the various processes, also comparing it to the global literature

Rare Earth Frontiers

From Terrestrial Subsoils to Lunar Landscapes

Author: Julie Michelle Klinger

Publisher: Cornell University Press

ISBN: 1501714619

Category: Political Science

Page: 340

View: 459

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Owing to their unique magnetic, phosphorescent, and catalytic properties, rare earths are the elements that make possible teverything from the miniaturization of electronics, to the enabling of green energy and medical technologies, to supporting essential telecommunications and defense systems. An iPhone uses eight rare earths for everything from its colored screen, to its speakers, to the miniaturization of the phone?s circuitry. On the periodic table rare earth elements comprise a set of seventeen chemical elements (the fifteen lanthanides plus scandium and yttrium). There would be no Pok{caron}mon Go without rare earths. Rare Earth Frontiers is a work of human geography. Klinger looks historically and geographically at the ways rare earth elements in three discrete but representative and contested sites are given meaning.

Rare earth

percussion duet : 2 snare drums & 4 tom-toms

Author: David Montgomery (Percussionist)

Publisher: N.A

ISBN: N.A

Category: Percussion ensembles

Page: 6

View: 8596

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Rare-earth halides

Author: R. E. Thoma,Oak Ridge National Laboratory Reactor Chemistry Division,U.S. Atomic Energy Commission

Publisher: N.A

ISBN: N.A

Category: Science

Page: 61

View: 4065

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