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Combinatorial optimization problems arise in various applications, including communications network design, VLSI design, machine vision, air line crew scheduling, corporate planning, computer-aided design and man ufacturing, database query design, cellular telephone frequency assignment, constraint directed reasoning, and computational biology. Furthermore, combinatorial optimization problems occur in many diverse areas such as linear and integer programming, graph theory, artificial intelligence, and number theory.  Free Download Handbook for Heat Exchangers and Tube Banks design by Donatello Annaratone English | PDF (True) | 2010 | 182 Pages | ISBN : 3642133088 | 8 MB When a heating fluid transfers heat to a heated fluid through a wall, if the fluids are in parallel flow or counter flow it is possible to compute exactly both the transferred heat and the temperatures of the fluids via well-known equations. This holds true both for design and verification computation. However, the motion of the fluids is never in parallel flow or counter flow in heat exchangers and in tube banks. Instead, it is rather complex and consists of a combination of various cross flows. Hence, a precise design of the above components requires, on a case-by-case basis, the availability of the value of certain crucial factors or of corrective factors so as to make it possible to use the equations relative to parallel flow or counter flow. This handbook contains the introduction to the problem, its design criteria, and about 70 tables for the exact design and verification computation. It also indicates how to proceed in the case of cross flow.  Free Download Greco-Roman Waters: A Sourcebook (Routledge Sourcebooks for the Ancient World) by Georgia L. Irby English | May 29, 2025 | ISBN: 103256931X, 1032569301 | True EPUB/PDF | 490 pages | 7.7/19.2 MB The first of its kind, this book presents a wide range of passages exploring many aspects of the Greco-Roman watery world: physics, philosophy, weather, medicine, marine biology, religion and mythology, infrastructure, sailing, mercantile activities, and waterways that have been politicized.  Free Download Grand Ethiopian Renaissance Dam Versus Aswan High Dam: A View from Egypt by Abdelazim M. Negm English | EPUB | 2019 | 594 Pages | ISBN : 3319955993 | 154.7 MB This unique volume discusses various aspects of the Grand Ethiopian Renaissance Dam (GERD) and the Aswan High Dam (AHD) including their positive and negative impacts. It presents up-to-date research findings by Egyptian scientists and researchers covering several interesting hot topics under the following main themes:  Free Download Germany: Geographies of Complexity by Olaf Kühne English | EPUB | 2022 | 304 Pages | ISBN : 3030929523 | 128.4 MB This book addresses the highly differentiated spatial, social, cultural and demographic structure(s) of Germany, with a particular focus on the reciprocal relations between different levels of spatial development.  Free Download General History of the Caribbean Volume VI: Methodology and Historiography of the Caribbean by B. W. Higman English | PDF | 2003 | 1002 Pages | ISBN : 1403975949 | 265.3 MB Volume 6 looks at the ways historians have written the history of the region depending upon their methods of interpretation and differing styles of communicating their findings. The authors examine how the lingual diversity of the region has affected the historian's ability to coalesce an historical account. 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Free Download Foot and Ankle Trauma Injuries: Atlas of Surgical Procedures By Walter Daghino English | EPUB | 2018 | 134 Pages | ISBN : 3319696165 | 100.8 MB This full-color atlas offers a systematic guide to performing surgeries for the most common traumatic lesions of the foot and ankle. It features a wealth of didactic illustrations, achieved with a particular technique employing colors and transparencies that also reveals those anatomic structures that are not visible in the surgical field, but essential to a good outcome. Divided into seven chapters, the book provides coverage of all anatomic segments, presenting each topic logically and explaining all types of lesions, even the most difficult, complicated or infrequent ones; discussing the indications and objectives of the surgical treatment; describing the surgical technique (patient positioning, approach, tips and tricks for reduction, means of osteosynthesis); and providing recommended post-operative protocols. 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Because the field of flow metering has been neglected by fluid mechanicists for a long time, this book addresses two major fluid mechanical problems in flow metering: the analysis of signal generation in turbulent pipe flow, which explains the function of the meter beyond a simple calibration, and the possible use of a meter in non-developed flows. These problems are investigated with reference to, and examples from, a variety of meters, e.g. ultrasound cross-correlation meters, vortex meters, and turbine meters. Studying these problems requires consideration of specific phenomena in turbulent non-developed pipe flow, as caused by installations, and finding special solutions with signal processing, both of which are included in the book. |
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