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Photovoltaics, the direct conversion of light from the sun into electricity, is an increasingly important means of distributed power generation. The SPICE modelling tool is typically used in the development of electrical and electronic circuits. When applied to the modelling of PV systems it provides a means of understanding and evaluating the performance of solar cells and systems. The majority of books currently on the market are based around discussion of the solar cell as semiconductor devices rather than as a system to be modelled and applied to real-world problems. Castaner and Silvestre provide a comprehensive treatment of PV system technology analysis. Using SPICE, the tool of choice...
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From the dawn of time, ruby and sapphire have both attracted and fascinated humans in ways that few other items could.While objects of desire are found throughout the natural world, physical beauty is too often ephemeral. From the allure of a man, woman, flower or butterfly, through the fleeting moments of a sunset, there is little that lasts and practically nothing that can be passed down to our descendants. The exception is precious stones. Not only are they the most durable creations of mother nature, but their visual splendor is truly eternal.In this companion to his 2013 book, Ruby & Sapphire--A Collector's Guide, Richard Hughes examines these gems from the gemological standpoint, delvi...
Unfortunately, dust explosions are common and costly in a wide array of industries such as petrochemical, food, paper and pharmaceutical. It is imperative that practical and theoretical knowledge of the origin, development, prevention and mitigation of dust explosions is imparted to the responsible safety manager. The material in this book offers an up to date evaluation of prevalent activities, testing methods, design measures and safe operating techniques. Also provided is a detailed and comprehensive critique of all the significant phases relating to the hazard and control of a dust explosion. An invaluable reference work for industry, safety consultants and students. - A completely new chapter on design of electrical equipment to be used in areas containing combustible/explosible dust - A substantially extended and re-organized final review chapter, containing nearly 400 new literature references from the years 1997-2002 - Extensive cross-referencing from the original chapters 1-7 to the corresponding sections of the expanded review chapter
This booklet provides a summary of the information on which estimation of the injuries and damage caused by the blast and consequent missile effects of large explosions can be made for planning and design purposes.
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At the dawn of structural crystallography, Friedrich, Knipping and von Laue carried out the first experiments and developed the theory of X-ray diffraction. From these early days, structural crystallography evolved at its own pace and found new partners in chemistry, physics, materials science, biology and other fields of physical sciences. Both morphological and structural crystallography, however, have remained as important instruments in the mineralogist's toolbox until today. Efforts to enhance the existing instrumentation, to improve our understanding of the theory of diffraction, to study nanoparticulate or poorly ordered materials, and to master large, complex structures continue in all fields of physical sciences. Mineralogy can thus use the fruits of this labour and include them in its toolbox.
The aesthetics of imperfection emphasises spontaneity, disruption, process and energy over formal perfection and is often ignored by many commentators or seen only in improvisation. This comprehensive collection is the first time imperfection has been explored across all kinds of musical performance, whether improvisation or interpretation of compositions. Covering music, visual art, dance, comedy, architecture and design, it addresses the meaning, experience, and value of improvisation and spontaneous creation across different artistic media. A distinctive feature of the volume is that it brings together contributions from theoreticians and practitioners, presenting a wider range of perspec...