tantalum geochemistry production and potential applications chemistry research and applications

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Author : Harry Reyes
ISBN : 1634836383
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File Size : 89. 95 MB
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The activation reactions of organic substrates involving tantalum compounds and complexes as compared with other transition metals have a relatively recent history, and therefore they are by far the least studied. The first chapter presents research data published by the authors in the last five years, on the use of catalysts based on tantalum compounds and complexes. In Chapter 2, a systematic study has been undertaken of basic thermodynamic functions of tantalum through the whole range of its solid state. These functions include molar heat capacity, volume coefficient of thermal expansion, bulk modulus and molar volume. In the last chapter, the findings from electron-microscopic studies of copper-tantalum welded joints that do not possess mutual solubility are examined. Joints with both flat and wavy interface are included. Findings from the study of other metal-metal and metal-intermetallic joints that were obtained by the authors were used for comparison.

Titanium Dioxide Nanomaterials

Author : Xiaobo Chen
ISBN : 1605113298
Genre : Technology & Engineering
File Size : 75. 83 MB
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Titanium dioxide nanomaterials have been showing very promising applications in many fields. Scientists from all over the world have gathered together to discuss the most recent advances in areas spanning from theoretical calculations to fundamental surface science and to materials fabrication, characterization and practical exploitation. More than 160 papers, presentations and posters, were accepted in Symposium GG, "Titanium Dioxide Nanomaterials," at the 2011 MRS Spring Meeting held April 25-29 in San Francisco, California. In this volume are some of the selected papers which cover the synthesis, properties, and applications of titanium dioxide nanomaterials.

Iodine Chemistry And Applications

Author : Tatsuo Kaiho
ISBN : 9781118878651
Genre : Science
File Size : 72. 43 MB
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This book comprehensively covers iodine, its chemistry, and its role in functional materials, reagents, and compounds. • Provides an up-to-date, detailed overview of iodine chemistry with discussion on elemental aspects: characteristics, properties, iodides, and halogen bonding • Acts as a useful guide for readers to learn how to synthesize complex compounds using iodine reagents or intermediates • Describes traditional and modern processing techniques, such as starch, cupper, blowing out, and ion exchange resin methods • Includes seven detailed sections devoted to the applications of iodine: Characteristics, Production, Synthesis, Biological Applications, Industrial Applications, Bioorganic Chemistry and Environmental Chemistry, and Radioisotopes • Features hot topics in the field, such as hypervalent iodine-mediated cross coupling reactions, agrochemicals, dye sensitized solar cells, and therapeutic agents

Eh Ph Diagrams For Geochemistry

Author : Douglas G. Brookins
ISBN : 9783642730931
Genre : Science
File Size : 75. 15 MB
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At last geochemists are offered one comprehensive reference book which gives the Eh-pH diagrams for 75 elements found in the earth's surface environment, including transuranic and other radioactive species. For each of these newly calculated diagrams short explanatory texts are added. For the first time the primary elements are considered in water with metal, sulfur, carbon, and other species as appropriate. Furthermore, based on these figures and up-to-date thermodynamic data presented in this reference, researchers can predict the behavior of elements in the surface environment. Geoscientists, chemists and environmental agencies will also benefit from several brief texts on the importance of various elements to problems of radioactive waste disposal.

Economic Geology

Author : Harold Jay Gluskoter
ISBN : 0813752140
Genre : Science
File Size : 44. 47 MB
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Geological Survey Research 1966

Author :
ISBN : STANFORD:36105060201683
Genre : Geology
File Size : 89. 72 MB
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Evolutionary And Revolutionary Technologies For Mining

Author : National Research Council
ISBN : 0309169836
Genre : Science
File Size : 27. 65 MB
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The Office of Industrial Technologies (OIT) of the U. S. Department of Energy commissioned the National Research Council (NRC) to undertake a study on required technologies for the Mining Industries of the Future Program to complement information provided to the program by the National Mining Association. Subsequently, the National Institute for Occupational Safety and Health also became a sponsor of this study, and the Statement of Task was expanded to include health and safety. The overall objectives of this study are: (a) to review available information on the U.S. mining industry; (b) to identify critical research and development needs related to the exploration, mining, and processing of coal, minerals, and metals; and (c) to examine the federal contribution to research and development in mining processes.

Rare Earths Industry

Author : Ismar Borges De Lima
ISBN : 9780128025680
Genre : Science
File Size : 90. 68 MB
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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

Theory And Practice Of Regional Geochemical Exploration

Author : Mária Vogl Földvári
ISBN : UCAL:$B363430
Genre : Science
File Size : 72. 29 MB
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Issues In Chemistry And General Chemical Research 2011 Edition

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ISBN : 9781464963292
Genre : Science
File Size : 41. 9 MB
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Issues in Chemistry and General Chemical Research: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Chemistry and General Chemical Research. The editors have built Issues in Chemistry and General Chemical Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Chemistry and General Chemical Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Chemistry and General Chemical Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

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