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The use of plastic materials has seen a massive increase in recent years, and generation of plastic wastes has grown proportionately. Recycling of these wastes to reduce landfill disposal is problematic due to the wide variation in properties and chemical composition among the different types of plastics. Feedstock recycling is one of the alternatives available for consideration, and Feedstock Recycling of Plastic Wastes looks at the conversion of plastic wastes into valuable chemicals useful as fuels or raw materials. Looking at both scientific and technical aspects of the recycling developments, this book describes the alternatives available. Areas include chemical depolymerization, thermal processes, oxidation and hydrogenation. Besides conventional treatments, new technological approaches for the degradation of plastics, such as conversion under supercritical conditions and coprocessing with coal are discussed. This book is essential reading for those involved in plastic recycling, whether from an academic or industrial perspective. Consultants and government agencies will also find it immensely useful.
This book constitutes the refereed proceedings of the Second IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2011, held in Costa de Caparica, Portugal, in February 2011. The 67 revised full papers were carefully selected from numerous submissions. They cover a wide spectrum of topics ranging from collaborative enterprise networks to microelectronics. The papers are organized in topical sections on collaborative networks, service-oriented systems, computational intelligence, robotic systems, Petri nets, sensorial and perceptional systems, sensorial systems and decision, signal processing, fault-tolerant systems, control systems, energy systems, electrical machines, and electronics.
Every year the GEM Spain team prepares a report on entrepreneurial activity in the country. After 23 years, it would seem unnecessary to explain why this report has become a fundamental tool for understanding the entrepreneurial and innovation ecosystem in our country. Or to have to explain why it is a vital reference for researchers, policy makers, entrepreneurs or anyone interested in business development. It is also well known that the GEM Spain Report analyses with scientific rigour the entrepreneurial phenomenon, activity, characteristics and context. It would be redundant to emphasise that its importance lies in the information it provides annually, giving a complete, detailed and up-to-date vision for designing effective policies and strategies to support and promote entrepreneurship in the country. However, it is important to remember how it is done year after year. In our country, the GEM report is developed in the Spanish Entrepreneurship Observatory through a network of 27 regional teams representing the entire Spanish territory, without whose effort and commitment all this would be impossible.
From 711 when they arrived on the Iberian Peninsula until 1492 when scholars contribute a wide-ranging series of essays and catalogue entries which are fully companion to the 373 illustrations (324 in color) of the spectacular art and architecture of the nearly vanished culture. 91/2x121/2 they were expelled by Ferdinand and Isabella, the Muslims were a powerful force in al-Andalus, as they called the Iberian lands they controlled. This awe-inspiring volume, which accompanies a major exhibition presented at the Alhambra in Granada and The Metropolitan Museum of Art in New York, is devoted to the little-known artistic legacy of Islamic Spain, revealing the value of these arts as part of an autonomous culture and also as a presence with deep significance for both Europe and the Islamic world. Twenty-four international Annotation copyrighted by Book News, Inc., Portland, OR
This book constitutes the proceedings of the 1st Congress in Sustainability, Energy and City (CSECity’21) held in Ambato, Ecuador, on June 28–29, 2021, proudly organized by Universidad Tecnológica Indoamerica in collaboration with GDEON. The CSECity brings together experts that promotes the dissemination of advances in sustainability, urbanism, energy, and industry research through the presentation of keynote conferences. In CSECity, theoretical, technical, or application works that are research products are presented to discuss and debate ideas, experiences, and challenges. Presenting high-quality, peer-reviewed papers, the book discusses the following topics: Energy sustainability Information and knowledge management Information technologies Innovation, technology, and society Software and systems modeling Software systems, architectures, applications, and tools Sustainable energy and the city.
Reprint of the original, first published in 1843.