This book offers expert guidance on materials for total hip arthroplasty (THA), providing readers with quick access to well-organized summaries on biomaterials such as metals, ceramics, polymers, and composites. It also includes in-depth coverage of biocompatibility and implant problems such as necrosis, ulceration, high toxicity with metals, and allergic reactions. Coverage also emphasizes the mechanical properties of the materials used for prostheses applications, immunity to corrosion, enhanced biocompatibility, complete inertness to the body environment, and the high capacity to join with the bone and other tissues. Performance of Metals and Ceramics in Total Hip Arthroplasty is an essential reference for engineers and scientists specializing in prostheses design and manufacturing and orthopedic medical professionals. The book can also be used as a study guide for materials science and orthopedics students.
Immigration remains one of the most pressing and polarizing issues in the United States. In The Immigration Crisis, the political scientist and social activist Armando Navarro takes a hard look at 400 years of immigration into the territories that now form the United States, paying particular attention to the ways in which immigrants have been received. The book provides a political, historical, and theoretical examination of the laws, personalities, organizations, events, and demographics that have shaped four centuries of immigration and led to the widespread social crisis that today divides citizens, non-citizens, regions, and political parties. As a prominent activist, Navarro has participated broadly in the Mexican-American community's responses to the problems of immigration and integration, and his book also provides a powerful glimpse into the actual working of Hispanic social movements. In a sobering conclusion, Navarro argues that the immigration crisis is inextricably linked to the globalization of capital and the American economy's dependence on cheap labor.
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