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Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration!  Free Download Solid State Luminescence: Theory, materials and devices by A. H. Kitai English | PDF | 1993 | 389 Pages | ISBN : 0412433400 | 48.4 MB Historically, black body radiation in the tungsten filament lamp was our primary industrial means for producing 'artificial' light, as it replaced gas lamps. Solid state luminescent devices for applications ranging from lamps to displays have proliferated since then, particularly owing to the develop ment of semiconductors and phosphors. Our lighting products are now mostly phosphor based and this 'cold light' is replacing an increasing fraction of tungsten filament lamps. Even light emitting diodes now chal lenge such lamps for automotive brake lights. In the area of information displays, cathode ray tube phosphors have proved themselves to be outstandingly efficient light emitters with excellent colour capability. The current push for flat panel displays is quite intense, and much confusion exists as to where development and commercialization will occur most rapidly, but with the need for colour, it is now apparent that solid state luminescence will play a primary role, as gas phase plasma displays do not conveniently permit colour at the high resolution needed today. The long term challenge to develop electroluminescent displays continues, and high performance fluorescent lamps currently illuminate liquid crystal monochrome and colour displays. The development of tri component rare earth phosphors is of particular importance.  Free Download Solar Energy Thermal Technology by Brian Norton English | PDF | 1992 | 284 Pages | ISBN : 1447117441 | 24.6 MB Solar Energy Technology deals with all aspects of solar energy systems. The fundamentals of predicting avail- ability; economic appraisal strategies; specific collector sub-systems, including a proven analytical procedure for predicting performance; and analyses of solar energy systems from dryers to greenhouses, passive solar buildings to water pumps, are covered in depth. Researchers and technologists need to have an insight into the challenges implementation entails, and this book presents practical constraints, operational considerations, and the latest research results. The book should be of great interest to students as well as professionals undertaking feasibility studies, development and implementation, technical assistance, and training assignments. Political action and pressure groups will also find the text useful for developing energy policies.  Free Download Software Engineering Perspectives in Intelligent Systems: Proceedings of 4th Computational Methods in Systems and Software 2020, Vol.2 by Radek Silhavy English | PDF | 2020 | 970 Pages | ISBN : 3030633187 | 107.2 MB This book constitutes the refereed proceedings of the 4th Computational Methods in Systems and Software 2020 (CoMeSySo 2020) proceedings. Software engineering, computer science and artificial intelligence are crucial topics for the research within an intelligent systems problem domain. The CoMeSySo 2020 conference is breaking the barriers, being held online. CoMeSySo 2020 intends to provide an international forum for the discussion of the latest high-quality research results.  Free Download Software Engineering Application in Informatics: Proceedings of 5th Computational Methods in Systems and Software 2021, Vol. 1 by Radek Silhavy English | PDF (True) | 2021 | 1020 Pages | ISBN : 3030903176 | 107.9 MB This book constitutes the first part of refereed proceedings of the 5th Computational Methods in Systems and Software 2021 (CoMeSySo 2021). The CoMeSySo 2021 Conference is breaking the barriers, being held online. CoMeSySo 2021 intends to provide an international forum for the discussion of the latest high-quality research results.  Free Download Soft Computing Applications: Proceedings of the 7th International Workshop Soft Computing Applications (SOFA 2016), Volume 2 By Valentina Emilia Balas, Lakhmi C. Jain, Marius Mircea Balas English | PDF | 2018 | 634 Pages | ISBN : 3319625233 | 105.9 MB These two volumes constitute the Proceedings of the 7th International Workshop on Soft Computing Applications (SOFA 2016), held on 24-26 August 2016 in Arad, Romania. This edition was organized by Aurel Vlaicu University of Arad, Romania, University of Belgrade, Serbia, in conjunction with the Institute of Computer Science, Iasi Branch of the Romanian Academy, IEEE Romanian Section, Romanian Society of Control Engineering and Technical Informatics (SRAIT) - Arad Section, General Association of Engineers in Romania - Arad Section, and BTM Resources Arad.  Free Download Smelter Grade Alumina from Bauxite: History, Best Practices, and Future Challenges by Benny E. Raahauge English | EPUB | 2022 | 866 Pages | ISBN : 3030885852 | 202.5 MB This book provides a comprehensive review of the production of smelter grade alumina from bauxite ores. It emphasizes the best practices applied in the industry today but seen in a historical context with a view to future challenges and developments.  Free Download Smart Technologies, Systems and Applications: 3rd International Conference, SmartTech-IC 2022, Cuenca, Ecuador, November 16-18, 2022, Revised Selected Papers by Fabián R. Narváez, Fernando Urgilés, Teodiano Freire Bastos-Filho, Juan Pablo Salgado-Guerrero English | EPUB (True) | 2023 | 529 Pages | ISBN : 3031322126 | 102.7 MB This book constitutes the refereed proceedings of the 3rd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2022, held in Cuenca, Ecuador, in November 16-18, 2022.  Free Download Smart Technologies in Urban Engineering: Proceedings of STUE-2023, Volume 1 by Olga Arsenyeva, Tetyana Romanova, Maria Sukhonos, Ihor Biletskyi, Yevgen Tsegelnyk English | PDF EPUB (True) | 2023 | 496 Pages | ISBN : 3031468732 | 164.4 MB This book offers a comprehensive review of smart technologies and provides perspectives on their applications in urban engineering. It covers a wide range of applications, from manufacturing engineering and transport logistics to information and computation technologies, providing readers with fresh ideas for future research and collaborations.  Free Download Smart Technologies for Precision Assembly: 9th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2020, Virtual Event, December 14-15, 2020, Revised Selected Papers by Svetan Ratchev English | EPUB | 2021 | 371 Pages | ISBN : 3030726312 | 103.7 MB This book constitutes the refereed post-conference proceedings of the 9th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2020, held virtually in December 2020.  Free Download Silicon by J. Grabmaier English | PDF | 1981 | 204 Pages | ISBN : 3642681778 | 27.4 MB 1.1 The Role of Silicon as a Semiconductor Silicon is unchallenged as a semiconductor base material in our present electronics indu stry. The reasons why it qualifies so strongly for this particular purpose are manyfold. The attractive combination of physical (electrical) properties of silicon and the unique properties of its native oxide layer have been the original factors for its breathtaking evolution in device technology. The majority of reasons, however, for its present status are correlated with industrial prosessing in terms of charge units ( economy), reliability (reproducibility), and flexibility, but also its availability. The latter point, in particular, plays an important role in the different long-term projects on the terrestrial application of solar cells. Practically inexhaustive resources of silicon dioxide form a sound basis even for the most pretentious programs on future alternatives to relieve the present situation in electrical power generation by photovol taics. Assuming a maximum percentage of 10% to be replaced by the year 2000 would roughly mean a cumulative annual production of 2 million metric tons of crude silicon (based on present solar cell standards)!). To illustrate the orders of magnitude that have to be discussed in pertinent programs: Today, the industrial silicon capacity of non-communistic countries (including ferrosili con and other alloys by their relative Si-content) amounts to some 2 million tons per year. |
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