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Rare Earth Element
Rare earth elements have significant physical and chemical properties, which have been made indispensable in many magnetic, electronic, and optical applications. For instance, rare earth magnets have high magnetic intensity that can be retained at high temperatures, making them ideal for aerospace applications. Moreover, rare earth elements allow to fabricate faster, smaller, and lighter devices such as cell phones and hard drives. They are also important for in-ear headphones, microphones, loudspeakers, optical fibers, smartphones, and tablet computers. All these technological possibilities have made sure that the rare earth elements are part of the daily life. Therefore, this book has a main objective to let the readers know useful information about the rare earth elements that possibly allow development of the researches in different fields of science where the rare earth elements are used.
Caracterización química, morfológica y estructural de materiales
Caracterización química, morfológica y estructural de materiales es una obra que está enfocada a la descripción de técnicas de caracterización de materiales sólidos. El libro brinda al lector la oportunidad de conocer los principios fisicoquímicos involucrados en las técnicas de caracterización que se abordan, ilustra sobre la configuración y funcionamiento de los equipos y finalmente describe los métodos de análisis adecuados para la obtención de información química, morfológica y estructural de los materiales. El libro describe técnicas usadas para determinar la composición química elemental de la superficie de una muestra como son la espectroscopia Auger y el análisi...
Silicon Materials
Apart from oxygen, silicon is the most commonly occurring element on Earth. Silicon materials have many applications in the manufacturing technology of microelectronic components, integrated circuits, and photovoltaic generators. Circuit complexity and higher degrees of integration of components require constant improvement and control of silicon's properties. This book provides information on silicon materials, their use, and their impact on the modern world economy.
Durabilidad del concreto reforzado
Durabilidad del concreto reforzado es un libro de divulgación académica que presenta los temas esenciales sobre el comportamiento del concreto simple y reforzado ante la acción física y química de diferentes agentes externos. Adicionalmente, este libro recoge los resultados de investigaciones realizadas por el autor y sus experiencias en el área de la patología de estructuras en dicho material. En la actualidad, la permanencia de las construcciones es un aspecto determinante de la seguridad estructural, por esta razón se invita a considerar la durabilidad "por convicción mas que por coacción" en el diseño de las estructuras de concreto reforzado. La obra describe las propiedades f...
Construcciones rurales para Ingeniería Agrícola: orientaciones para su edificación y manejo
Las construcciones rurales, y en general las obras de infraestructura rural en países en vías de desarrollo, presentan ciertas características particulares del contexto: requieren grandes inversiones y su rentabilidad es baja; además, quienes deben implementarlas en su mayoría son personas de medianos a bajos recursos. Por otra parte, la dispersión de los sistemas productivos en pequeños terrenos aumenta los costos —si se compara con las grandes explotaciones intensivas de otras regiones— y, adicionalmente, la rentabilidad de su implementación depende de muchos aspectos técnicos, los cuales son difíciles de integrar. Estas características hacen que sea necesario conocer los fu...
Apatites and their Synthetic Analogues
Apatite-type minerals and their synthetic analogues are of interest of many industrial branches and scientific disciplines including material sciences, chemical industry, agriculture, geology, medicine and dentistry. This book provides a basic overview of general knowledges of this topic in order to provide the comprehensive survey from a scientific and technological perspective. The book is divided into 10 chapters, which are devoted to the structure and properties of minerals from the supergroup of apatite, experimental techniques of preparation and characterization of synthetic analogues of apatite minerals, substitution in the structure of apatite as well as utilization of these material...
Advances in Crystallization Processes
Crystallization is used at some stage in nearly all process industries as a method of production, purification or recovery of solid materials. In recent years, a number of new applications have also come to rely on crystallization processes such as the crystallization of nano and amorphous materials. The articles for this book have been contributed by the most respected researchers in this area and cover the frontier areas of research and developments in crystallization processes. Divided into five parts this book provides the latest research developments in many aspects of crystallization including: chiral crystallization, crystallization of nanomaterials and the crystallization of amorphous and glassy materials. This book is of interest to both fundamental research and also to practicing scientists and will prove invaluable to all chemical engineers and industrial chemists in the process industries as well as crystallization workers and students in industry and academia.
The Early Colombian Labor Movement
David Sowell traces the history of artisan labor organizations in Bogotá and examines long-term political activity of Colombian artisans in the century after independence. Relying on contemporary newspapers, political handouts, broadsides, and public petitions, Sowell analyzes the economic, social, and political history of the capital's artisan class, a middling social sector with very significant social and political strengths. This is the first study in English of nineteenth-century Latin American artisans and one of the few treatments that spans the whole of nineteenth-century Colombian history.The rise and late decline of artisan class political activity coincided the Colombia's integra...
Yearbook - American College of Surgeons
Supplements accompany some numbers; annual supplement issued 1944-46 during suspension of main publication.
State of War
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