Xem 1-20 trên 71 kết quả Surface operations
  • The principle of Occam’s razor loosely translates to “the simplest solution is often the best”. The author of Kinematic Geometry of Surface Machining utilizes this reductionist philosophy to provide a solution to the highly inefficient process of machining sculptured parts on multi-axis NC machines. He has developed a method to quickly calculate the necessary parameters, greatly reduce trial and error, and achieve efficient machining processes by using less input information, and in turn saving a great deal of time.

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  • Encyclopedia of Materials Characterization is a comprehensive volume on analytical techniques used in materials science for the characterization of surfaces, interfaces and thin films. This flagship volume in the Materials Characterization Series is a unique, stand-alone reference for materials science practitioners, process engineers, students and anyone with a need to know about the capabilities available in materials analysis. An encyclopedia of 50 concise articles, this book will also be a practical companion to the forthcoming books in the Series.

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  • As Microsoft's first foray into the tablet market, the Surface is packed with all the features you're looking for to stay entertained and get things done wherever you go. Written by bestselling veteran author Andy Rathbone, this full-color, easy-to-understand book is packed with information on how to use the new interface, figure out the operating system, navigate the new app environment, and take full advantage of this exciting new tablet device.

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  • Committees were established to oversee SD efforts in four areas: stock positioning, air distribution, surface distribution, and financial management within the Defense Transportation System (DTS). These committees are led by senior officers from the DLA Defense Distribution Center (DDC), Air Force Air Mobility Command (AMC), TRANSCOM’s Military Surface Deployment and Distribution Command (MSDDC), and TRANSCOM, respectively. An executive agent, two co-directors,

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  • Leif Mejlbro was educated as a mathematician at the University of Copenhagen, where he wrote his thesis on Linear Partial Differential Operators and Distributions. Shortly after he obtained a position at the Technical University of Denmark, where he remained until his retirement in 2003. He has twice been on leave, first time one year at the Swedish Academy, Stockholm, and second time at the Copenhagen Telephone Company, now part of the Danish Telecommunication Company, in both places doing research....

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  • In lexicalized grammatical formalisms, it is possible to separate lexical category assignment from the combinatory processes that make use of such categories, such as parsing and realization. We adapt techniques from supertagging — a relatively recent technique that performs complex lexical tagging before full parsing (Bangalore and Joshi, 1999; Clark, 2002) — for chart realization in OpenCCG, an open-source NLP toolkit for CCG. We call this approach hypertagging, as it operates at a level “above” the syntax, tagging semantic representations with syntactic lexical categories. ...

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  • This set of candidate surface strings, represented as a word lattice, is then rescored by a wordbigram language model, to produce the bestranked output sentence. FERGUS (Bangalore and Rambow, 2000), on the other hand, employs a model of syntactic structure during sentence realization. In simple terms, it adds a tree-based stochastic model to the approach taken by the Nitrogen system. This tree-based model chooses a best-ranked XTAG representation for a given dependency structure.

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  • As mentioned, C# and the .NET platform were first introduced to the world in 2002 and were intended to offer a much more powerful, more flexible, and simpler programming model than COM. As you will see during the remainder of this book, the .NET Framework is a software platform for building systems on the Windows family of operating systems, as well as on numerous non-Microsoft operating systems such as Mac OS X and various Unix/Linux distributions. To set the stage, here is a quick rundown of some core features provided courtesy of .NET...

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  • Different machining processes produce different products with varying qualities. When evaluating the quality of a finished piece, surface roughness is the most important result of the machining process to consider, because many product attributes can be determined by how well the surface finish is produced.

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  • Although it has been shown that frozen storage is feasible for some of the tissue-engineered products such as bone (Kofron et al., 2003), it is more difficult than that for isolated cells and requires special considerations. Water transport processes may cause difficulties for tissue-scale freezing. While cells at the surface layer would respond to freeze-induced osmotic changes much like cells in suspension, interior cells would dehydrate as a response to the increased intracellular tonicity in the dehydrate surface layers.

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  • Electric Drives Ion Boldea and Syed Nasar Linear Synchronous Motors: Transportation and Automation Systems Jacek Gieras and Jerry Piech Electromechanical Systems, Electric Machines, and Applied Mechatronics Sergey E. Lyshevski Electrical Energy Systems Mohamed E. El-Hawary Distribution System Modeling and Analysis William H. Kersting The Induction Machine Handbook Ion Boldea and Syed Nasar Power Quality C. Sankaran Power System Operations and Electricity Markets Fred I. Denny and David E.

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  • Magnesium is the lightest of all the metals and the sixth most abundant on Earth. Magnesium is ductile and the most machinable of all the metals. Magnesium alloy developments have traditionally been driven by requirements for lightweight materials to operate under increasingly demanding conditions (magnesium alloy castings, wrought products, powder metallurgy components, office equipment, nuclear applications, flares, sacrificial anodes for the protection of other metals, flash photography and tools). The biggest potential market for magnesium alloys is in the automotive industry. ...

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  • Recent titles in the INTERNATIONAL SERIES IN OPERATIONS RESEARCH & MANAGEMENT SCIENCE Frederick S.

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  • Over the past few decades, life-threatening environmental concerns have surfaced in the developing world. Countrysides are coming under pressure from increasing numbers of farmers and the landless. Cities are filling with people, cars, and factories.

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  • Gas–liquid multiphase flows play an essential role in the workings of Nature and the enterprises of mankind. Our everyday encounter with liquids is nearly always at a free surface, such as when drinking, washing, rinsing, and cooking. Similarly, such flows are in abundance in industrial applications: heat transfer by boiling is the preferred mode in both conventional and nuclear power plants, and bubbledriven circulation systems are used in metal processing operations such as steel making, ladle metallurgy, and the secondary refining of aluminum and copper.

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  • An ocean wave is an undulation of the sea surface. Wave crest,Wave trough,Wave height,Wave lengt,Wave period Progressive waves move across the sea surface.,Standing waves oscillate about a fixed point. Wind velocity : Wind duration, Fetch (distance over which wind blows), Simply put, wave size increases as all these factors increase.

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  • Autonomous underwater vehicle – a robot!Flies by changing its buoyancy – takes on water, becomes heavy and sinks – wings turn vertical motion into forward motion – expels water, becomes light and rises – flies saw tooth pattern through the ocean – from the surface to 3 m off bottom (200 m max)

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  • Issued by San&a National Laboratories, operated for the United States Department of Energy by Sandia Corporation. NOTICE: This report was prepared as an account of work sponsored by an agency of the United States Government. Neither

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  • It takes experience, practice and brain power to be good mathematical modelers”. Mathematical model of a system must be sufficiently simple, easy to grasp and give a clear idea about all the qualitative aspects of the phenomenon of interest. On the other hand, it must be sufficiently accurate in bringing the quantitative aspects of the process. Simulation represent the application of modelling techniques to real system, thus enabling information on plant characteristics to be gained without either constructing or operating the full scale plant or system under consideration.

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  • Humankind’s fascination with Mars predates recorded history. The bright planet with the reddish tint is unique among the other celestial objects. Tycho Brahe’s observations of its unpredictable motion were deciphered by Johannes Kepler in the early 17th century as he developed his laws of planetary motion. Galileo trained his telescope on Mars and saw it as a disk in 1610. Later in the 1600s, Christiaan Huygens and Gian Cassini drew the first maps of the Martian surface.

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