Download or read book Vitroc ramiques infrarouges pour application la vision nocturne written by Elena Petracovschi and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les verres de chalcogénures sont utilisés en tant qu'optiques pour les caméras IR grâce à leur transparence dans les deux fenêtres atmosphériques [3 - 5 μm] et [8 - 12 μm]. Afin de diminuer leur prix et d'augmenter la gamme des compositions qui pourraient être produites, une nouvelle méthode de synthèse a été élaborée au laboratoire Verres et Céramiques. Les travaux présentés dans ce manuscrit ont ainsi porté sur le développement de la technique de synthèse des verres et vitrocéramiques de chalcogénures par mécanosynthèse et frittage flash, ainsi que sur l'étude de la structure et des propriétés mécaniques des vitrocéramiques. Les différents paramètres de broyage et frittage ont été étudiés et la possibilité de produire des matériaux massifs, avec une structure et des propriétés similaires à celles des verres obtenus par voie classique de fusion-trempe, a été démontrée. Egalement, il a été constaté que la génération des particules cristallines dans la matrice vitreuse permet d'améliorer les propriétés mécaniques sans altérer la transmission optique des échantillons. Finalement, une étude théorique, basée sur la méthode DFT, a été initié pour accéder à des informations plus précises concernant la structure et les propriétés mécaniques des verres et vitrocéramiques de chalcogénures.
Download or read book The Vitamin A Story written by R.D. Semba and published by Karger Medical and Scientific Publishers. This book was released on 2013-07-01 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows how vitamin A deficiency – before the vitamin was known to scientists – affected millions of people throughout history. It is a story of sailors and soldiers, penniless mothers, orphaned infants, and young children left susceptible to blindness and fatal infections. We also glimpse the fortunate ones who, with ample vitamin A-rich food, escaped this elusive stalker. Why were people going blind and dying? To unravel this puzzle, scientists around the world competed over the course of a century. Their persistent efforts led to the identification of vitamin A and its essential role in health. As a primary focus of today’s international public health efforts, vitamin A has saved hundreds of thousands of lives. But, we discover, they could save many more were it not for obstacles erected by political and ideological zealots who lack a historical perspective of the problem. Although exhaustively researched and documented, this book is written for intellectually curious lay readers as well as for specialists. Public health professionals, nutritionists, and historians of science and medicine have much to learn from this book about the cultural and scientific origins of their disciplines. Likewise, readers interested in military and cultural history will learn about the interaction of health, society, science, and politics. The author’s presentation of vitamin A deficiency is likely to become a classic case study of health disparities in the past as well as the present.
Download or read book Being and Event written by Alain Badiou and published by A&C Black. This book was released on 2007-07-15 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: A translation of one of the single most important works of recent French philosophy, Badiou's magnum opus, and a must-have for his growing following and anyone interested in contemporary Continental thought.
Download or read book Chalcogenide Glasses written by J-L Adam and published by Woodhead Publishing. This book was released on 2014-02-14 with total page 719 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unique properties and functionalities of chalcogenide glasses make them promising materials for photonic applications. Chalcogenide glasses are transparent from the visible to the near infrared region and can be moulded into lenses or drawn into fibres. They have useful commercial applications as components for lenses for infrared cameras, and chalcogenide glass fibres and optical components are used in waveguides for use with lasers, for optical switching, chemical and temperature sensing and phase change memories. Chalcogenide glasses comprehensively reviews the latest technological advances in this field and the industrial applications of the technology.Part one outlines the preparation methods and properties of chalcogenide glasses, including the thermal properties, structure, and optical properties, before going on to discuss mean coordination and topological constraints in chalcogenide network glasses, and the photo-induced phenomena in chalcogenide glasses. This section also covers the ionic conductivity and physical aging of chalcogenide glasses, deposition techniques for chalcogenide thin films, and transparent chalcogenide glass-ceramics. Part two explores the applications of chalcogenide glasses. Topics discussed include rare-earth-doped chalcogenide glass for lasers and amplifiers, the applications of chalcogenide glasses for infrared sensing, microstructured optical fibres for infrared applications, and chalcogenide glass waveguide devices for all-optical signal processing. This section also discusses the control of light on the nanoscale with chalcogenide thin films, chalcogenide glass resists for lithography, and chalcogenide for phase change optical and electrical memories. The book concludes with an overview of chalcogenide glasses as electrolytes for batteries.Chalcogenide glasses comprehensively reviews the latest technological advances and applications of chalcogenide glasses, and is an essential text for academics, materials scientists and electrical engineers working in the photonics and optoelectronics industry. - Outlines preparation methods and properties, and explores applications of chalcogenide glasses. - Covers the ionic conductivity and physical aging of chalcogenide glasses, deposition techniques for chalcogenide thin films, and transparent chalcogenide glass-ceramics - Discusses the control of light on the nanoscale with chalcogenide thin films, chalcogenide glass resists for lithography, and chalcogenide for phase change optical and electrical memories
Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Download or read book Agroclimatology written by Jerry L. Hatfield and published by John Wiley & Sons. This book was released on 2020-01-22 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Can we unlock resilience to climate stress by better understanding linkages between the environment and biological systems? Agroclimatology allows us to explore how different processes determine plant response to climate and how climate drives the distribution of crops and their productivity. Editors Jerry L. Hatfield, Mannava V.K. Sivakumar, and John H. Prueger have taken a comprehensive view of agroclimatology to assist and challenge researchers in this important area of study. Major themes include: principles of energy exchange and climatology, understanding climate change and agriculture, linkages of specific biological systems to climatology, the context of pests and diseases, methods of agroclimatology, and the application of agroclimatic principles to problem-solving in agriculture.
Download or read book Edward Said written by Adel Iskandar and published by Univ of California Press. This book was released on 2010 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: This indispensable volume, a comprehensive and wide-ranging resource on Edward Said's life and work, spans his broad legacy both within and beyond the academy. The book brings together contributions from 31 luminaries to engage Said's provocative ideas.
Download or read book Sound to Sense Sense to Sound written by Pietro Polotti and published by Logos Verlag Berlin GmbH. This book was released on 2008 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the 1950s, Sound and Music Computing (SMC) research has had a profound impact on the development of culture and technology in our post-industrial society. SMC research approaches the whole sound and music communication chain from a multidisciplinary point of view. By combining scientific, technological and artistic methodologies it aims at understanding, modeling, representing and producing sound and music using computational approaches. This book, by describing the state of the art in SMC research, gives hints of future developments, whose general purpose will be to bridge the semantic gap, the hiatus that currently separates sound from sense and sense from sound.
Download or read book Materials for Infrared Windows and Domes written by Daniel C. Harris and published by SPIE Press. This book was released on 1999 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a comprehensive introduction to infrared-transparent materials for windows and domes that must withstand harsh environmental conditions, such as high-speed flight or high temperature process monitoring. Introductory material in each section makes the book suitable for anyone with a background in science or engineering.
Download or read book Reproductive Strategies and Developmental Patterns in Annelids written by Adriaan W.C. Dorresteijn and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fascination of the Annelida to scientists lies in the beauty of their structures and the functionality of their body plan, the tremendous adaptive radiation which has made it possible for these animals to colonize almost all marine, limnic and terrestrial biotopes. In doing so they have evolved a great variety of life forms, and their reproduction and development are correspondingly diverse, with many modes and patterns unique in the animal kingdom. In this special volume recent progress in this broad research area is presented by 26 specialists, in general through surveys or treatments of selected examples. Some of them review important annelid taxa such as the Nereididae, Syllidae, Spionidae, Cirratulidae, Clitellata, and Pogonophora; others analyse reproductive and developmental structures and phenomena in annelids, e.g. segmental organs, sex pheromones, oogenesis, mating systems, sperm types, life cycles, larval settlement, cleavage and symmetry of embryos, or discuss controversial approaches to annelid systematics. The book will be of interest to all zoologists who work with annelids as well as to embryologists and other researchers in reproductive biology.
Download or read book Handbook of Advanced Lighting Technology written by Robert Karlicek and published by Springer. This book was released on 2016-05-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Advanced Lighting Technology is a major reference work on the subject of light source science and technology, with particular focus on solid-state light sources – LEDs and OLEDs – and the development of 'smart' or 'intelligent' lighting systems; and the integration of advanced light sources, sensors, and adaptive control architectures to provide tailored illumination which is 'fit to purpose.' The concept of smart lighting goes hand-in-hand with the development of solid-state light sources, which offer levels of control not previously available with conventional lighting systems. This has impact not only at the scale of the individual user, but also at an environmental and wider economic level. These advances have enabled and motivated significant research activity on the human factors of lighting, particularly related to the impact of lighting on healthcare and education, and the Handbook provides detailed reviews of work in these areas. The potential applications for smart lighting span the entire spectrum of technology, from domestic and commercial lighting, to breakthroughs in biotechnology, transportation, and light-based wireless communication. Whilst most current research globally is in the field of solid-state lighting, there is renewed interest in the development of conventional and non-conventional light sources for specific applications. This Handbook comprehensively reviews the basic physical principles and device technologies behind all light source types and includes discussion of the state-of-the-art. The book essentially breaks down into five major sections: Section 1: The physics, materials, and device technology of established, conventional, and emerging light sources, Section 2: The science and technology of solid-state (LED and OLED) light sources, Section 3: Driving, sensing and control, and the integration of these different technologies under the concept of smart lighting, Section 4: Human factors and applications, Section 5: Environmental and economic factors and implications
Download or read book Educational Materials Catalog written by National Heart, Lung, and Blood Institute and published by . This book was released on 1994 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Music of Joni Mitchell written by Lloyd Whitesell and published by Oxford University Press. This book was released on 2008-08-04 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Joni Mitchell is one of the foremost singer-songwriters of the late twentieth century. Yet despite her reputation, influence, and cultural importance, a detailed appraisal of her musical achievement is still lacking. Whitesell presents a through exploration of Mitchell's musical style, sound, and structure in order to evaluate her songs from a musicological perspective. His analyses are conceived within a holistic framework that takes account of poetic nuance, cultural reference, and stylistic evolution over a long, adventurous career. Mitchell's songs represent a complex, meticulously crafted body of work. The Music of Joni Mitchell offers a comprehensive survey of her output, with many discussions of individual songs, organized by topic rather than chronology. Individual chapters each explore a different aspect of her craft, such as poetic voice, harmony, melody, and large-scale form. A separate chapter is devoted to the central theme of personal freedom, as expressed through diverse symbolic registers of the journey quest, bohemianism, creative license, and spiritual liberation. Previous accounts of Mitchell's songwriting have tended to favor her poetic vision, expansive verse structures, and riveting vocal delivery. Whitesell fills out this account with special attention to musical technique, showing how such traits as complex or conflicting sonorities, dualities of harmonic mode, dialectical tensions of texture and register, intricately layered instrumental figuration, and a variable vocal persona are all essential to her distinctive identity as a songwriter. The Music of Joni Mitchell develops a set of conceptual tools geared specifically to Mitchell's songs, in order to demonstrate the extent of her technical innovation in the pop song genre, to give an account of the formal sophistication and rhetorical power characterizing her work as a whole, and to provide grounds for the recognition of her intellectual stature as a composer within her chosen field.
Download or read book Beam written by Jeff Hecht and published by Oxford University Press on Demand. This book was released on 2005-03-10 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prologue: May 16, 1960, Malibu, California. 1. The Laser Race. 2. Microwaves Are the First Step. 3. Leaping a Few Orders of Magnitude: The Optical Maser. 4. The Outsider's Invention: The Laser. 5. Bell Labs Takes the Early Lead. 6. Stimulating the Emission of Money. 7. A Spreading Interest in the Laser Idea. 8. A Pause to Compare Notes. 9. A Dark Horse Joins the Race. 10. "Everybody knew it was going to happen within months"--Bell Labs Feels Safely in the Lead. 11. A Crash Program at "Pipsqueak Inc.". 12. The Siren Call of the Laser. 13. The Critical Question of Efficiency.
Download or read book Scripting the Black Masculine Body written by Ronald L. Jackson and published by SUNY Press. This book was released on 2006-01-01 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traces the origins of Black body politics in the United States and its contemporary manifestations in hip-hop music and film.
Download or read book The Geography of the Imagination written by Guy Davenport and published by David R. Godine Publisher. This book was released on 1997 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 40 essays that constitute this collection, Guy Davenport, one of America's major literary critics, elucidates a range of literary history, encompassing literature, art, philosophy and music, from the ancients to the grand old men of modernism.
Download or read book Images of Enchantment written by Sherifa Zuhur and published by American Univ in Cairo Press. This book was released on 1998 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This original and multidimensional book brings a refreshing new approach to the study of the arts of the Middle East. By dealing in one volume with dance, music, painting, and cinema, as experienced and practiced not only within the Middle East but also abroad, Images of Enchantment breaks down the artificial distinctions--of form, geography, 'high' and 'low' art, performer and artist--that are so often used to delineate the subjects and processes of Middle Eastern artistic culture. The eighteen essays in this book cover themes as diverse as Bedouin dance, the music of Arab Americans, cinema in Egypt and Iran, Hollywood representations of the Middle East, and contemporary Sudanese painting. The contributions come from scholars and critics and from the artists themselves. Together, they present a wide-ranging and holistic view of the arts in their social, political, anthropological, and gender contexts. Contributors: Walter Armbrust, Farida Ben Lyazid, Kay Hardy Campbell, Virginia Danielson, Marjorie Franken, Sondra Hale, Carolee Kent, Hamid Naficy, Salwa Mikdadi Nashashibi, Anne K. Rasmussen, Selim Sednaoui, Simon Shaheen, Rebecca Stone, Chaïbia Talal, Karin Van Nieuwkerk, William Young, Sherifa Zuhur.
