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Copper has been an important metal throughout history. Initially, it was used as raw material for the manufacture of tools, weapons, ornamental objects, and more. The later discovery of copper alloys, such as bronze and brass, extended the use of this metal alloy to many different fields based on its mechanical, corrosion, and wear resistance. Nowadays, copper is mainly used in the electrical and thermal conductivity fields, although new uses are being discovered. This book provides a comprehensive overview of copper in two sections on copper mining and processing and copper applications.
This book provides the multidisciplinary reading audience with a comprehensive state-of-the-art overview of research and innovations in the relationship between iron ores and iron ore materials. The book covers industrial sectors dealing with exploration and processing of iron ores as well as with advanced applications for iron ore materials and therefore entails a wide range of research fields including geology, exploration, beneficiation, agglomeration, reduction, smelting, and so on, thus encouraging life cycle thinking across the entire production chain. Iron remains the basis of modern civilization, and our sustainable future deeply depends upon our ability to satisfy the growing demand for iron and steel while decoupling hazardous emissions from economic growth. Therefore, environmental sustainability aspects are also broadly addressed. In response to socioeconomic and climatic challenges, the iron ore sector faces, this book delivers a vision for the new opportunities linked to deployment of the best available, innovative and breakthrough technologies as well as to advanced material applications.
Internet use-related addiction problems (e.g., Internet addiction, problem mobile phone use, problem gaming, and social networking) have been defined according to the same core element: the addictive symptomatology presented by individuals who excessively and problematically behave using the technology. Online activity is the most important factor in their lives, causing them the loss of control by stress and difficulties in managing at least one aspect of their daily life, affecting users’ wellbeing and health. In 2018, Gaming Disorder was included as a mental disease in the 11th Revision of the International Classification of Diseases by the World Health Organization. In 2013, the Americ...
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For readers who love Bolaño, a new voice of Latin American fiction, winner of the Mario Vargas Llosa Prize. Recurring blackouts envelop Caracas in an inescapable darkness that makes nightmares come true. Real and fictional characters, most of them are writers, exchange the role of narrator in this polyphonic novel. They recount contradictory versions of the plot, a series of femicides that began with the energy crisis. The central narrator is a psychiatrist who manipulates the accounts of his friend, an author writing a book titled The Night; and his patient, an advertising executive obsessed with understanding the world through word puzzles. The author shifts between crime fiction and meta...
In a ranch south of Texas, the man known as The Executioner dumps five hundred body parts in metal barrels. In Brazil's biggest city, a mysterious prisoner orders hit-men to gun down forty-one police officers and prison guards in two days. In southern Mexico, a crystal meth maker is venerated as a saint while imposing Old Testament justice on his enemies. A new kind of criminal kingpin has arisen- part CEO, part terrorist, and part rock star, unleashing guerrilla attacks, strong-arming governments and taking over much of the world's trade in narcotics, guns and humans. Who are these new masters of death? What personal qualities and life experiences have made them into such bloodthirsty leade...