The book offers a unified view on classical results and recent advances in the dynamics of nonconservative systems. The theoretical fundamentals are presented systematically and include: Lagrangian and Hamiltonian formalism, non-holonomic constraints, Lyapunov stability theory, Krein theory of spectra of Hamiltonian systems and modes of negative and positive energy, anomalous Doppler effect, reversible systems, sensitivity analysis of non-self-adjoint operators, dissipation-induced instabilities, local and global instabilities. They are applied to engineering situations such as the coupled mode flutter of wings, flags and pipes, flutter in granular materials, piezoelectric mechanical metamaterials, wave dynamics of infinitely long structures, radiative damping, stability of high-speed trains, experimental realization of follower forces, soft-robot locomotion, wave energy converters, friction-induced instabilities, brake squeal, non-holonomic sailing, dynamics of moving continua, and stability of bicycles and walking robots.  <div> The book responds to a demand in the modern theory of nonconservative systems coming from the growing number of scientific and engineering disciplines including physics, fluid and solids mechanics, fluid-structure interactions, and modern multidisciplinary research areas such as biomechanics, micro- and nanomechanics, optomechanics, robotics, and material science. It is targeted at both young and experienced researchers and engineers working in fields associated with the dynamics of structures and materials. The book will help to get a comprehensive and systematic knowledge on the stability, bifurcations and dynamics of nonconservative systems and establish links between approaches and methods developed in different areas of mechanics and physics and modern applied mathematics. <p><i></i></p> </div>
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Auteur: Lyda Morehouse. Série: Earth's Shadow. Format: Poche. Type: Fiction. Sujet: Science Fiction. Sujet: Anglais. Genre: Fiction. Item Length: 127.00.
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<div> Bridge the gap between a high-level understanding of how an algorithm works and knowing the nuts and bolts to tune your models better. This book will give you the confidence and skills when developing all the major machine learning models. In <i>Pro Machine Learning Algorithms</i>, you will first develop the algorithm in Excel so that you get a practical understanding of all the levers that can be tuned in a model, before implementing the models in Python/R. </div> <div> <br> </div> <div> You will cover all the major algorithms: supervised and unsupervised learning, which include linear/logistic regression; k-means clustering; PCA; recommender system; decision tree; random forest; GBM; and neural networks. You will also be exposed to the latest in deep learning through CNNs, RNNs, and word2vec for text mining. You will be learning not only the algorithms, but also the concepts of feature engineering to maximize the performance of a model. You will see the theory along with case studies, such as sentiment classification, fraud detection, recommender systems, and image recognition, so that you get the best of both theory and practice for the vast majority of the machine learning algorithms used in industry. Along with learning the algorithms, you will also be exposed to running machine-learning models on all the major cloud service providers. </div> <div> <br> </div> <div> You are expected to have minimal knowledge of statistics/software programming and by the end of this book you should be able to work on a machine learning project with confidence.  </div> <div> <br> </div> <div> <b>What You Will Learn</b> </div> <div> <ul> <li>Get an in-depth understanding of all the major machine learning and deep learning algorithms <br></li> <li>Fully appreciate the pitfalls to avoid while building models<br></li> <li>Implement machine learning algorithms in the cloud <br></li> <li>Follow a hands-on approach through case studies for each algorithm</li> <li>Gain the tricks of ensemble learning to build more accurate models</li> <li>Discover the basics of programming in R/Python and the Keras framework for deep learning</li> </ul> </div> <div> <b>Who This Book Is For</b> </div> <div> <br> </div> <div> Business analysts/ IT professionals who want to transition into data science roles. Data scientists who want to solidify their knowledge in machine learning. </div> <div> <br> </div> <div> <br> <br> </div>
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<p>This book offers a clearly written and highly accessible account of two different aspects of carbohydrate chemistry. Carbohydrates are an essential component of life and have many important biological functions, but the details of how carbohydrates interact with other biomolecules to mediate biological signalling remain unclear. Firstly, this thesis details innovative methods to mine protein structural data to uncover new features of carbohydrate-based interactions. It also explains these findings using physical chemistry, specifically CH–pi interactions associated with the properties of the interacting partners. </p> <p>Carbohydrates are also critical for tissue growth and development, yet are underexploited in the materials science that underpins much of regenerative medicine. As such, the second part of this thesis describes a diverse array of techniques ranging from synthetic chemistry and enzymatic synthesis to prepare a wide variety of carbohydrates, and materials chemistry to prepare glycosylated hydrogels, to cell biology to determine the effects on cellular development for tissue engineering applications.<br></p> <p></p> <p></p> <p></p>
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<div> <div> This book presents a challenging and multi-faceted research project that required state-of-the-art methodological approaches. The project involved analyzing data collected from 10,000 research articles published in ten leading journals in the area of educational technology over 20 years, from January 1994 to December 2014; advanced analytic approaches such as latent semantic analysis; and expert insights and interpretations of the subject matter. </div> <div> <br> </div> <div> It captures the trends in a number of research streams within the discipline of educational technology and identifies the point in time when a massive change took place.  This is a significant achievement given that, in epistemology and philosophy of science, there have always been discussions of paradigm shifts, but researchers have always identified them qualitatively. This is the first work to identify a paradigm shift using rigorous quantitative methods.  </div> <div> <br> </div> <div> The analysis procedure involved big data and sophisticated analysis, which supported the identification of clusters at several breakpoints from which the richest set was selected in order to provide the most detailed analysis. This comprehensive analysis also shows what has been published and by whom in those ten top-tier journals. This work makes a highly significant contribution to the field of learning technologies and provides the groundwork and a significant data source for other scholars, both new and experienced, to build on and expand in their work. </div> </div> <br> <div> <br> </div> <div> <br> </div>
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SFBC - SCIENCE FICTION BOOK CLUB. RAY BRADBURY. LA FINE DEL PRINCIPIO. La fine del principio. La città dove nessuno scendeva. La prima notte di Quaresima. Il sorriso. I topolini.
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<div> Drawing insights from nearly a decade of mixed-method research, Stephen R. Barnard analyzes Twitter’s role in the transformation of American journalism. As the work of media professionals grows increasingly hybrid, Twitter has become an essential space where information is shared, reporting methods tested, and power contested. In addition to spelling opportunity for citizen media activism, the normalization of digital communication adds new channels of influence for traditional thought leaders, posing notable challenges for the future of journalism and democracy. In his analyses of Twitter practices around newsworthy events—including the Boston Marathon bombing, protests in Ferguson, Missouri, and the election of Donald Trump—Barnard brings together conceptual and theoretical lenses from multiple academic disciplines, bridging sociology, journalism, communication, media studies, science and technology studies, and political science.  <br> </div>
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The product is a Blu-Ray of the 1988 movie "Robowar", directed by Riccardo Grassetti and Bruno Mattei. Starring actors such as Catherine Hickland, Reb Brown, and Claudio Fragasso, the film falls under the genres of Sci-Fi & Fantasy, Action, and Adventure. The Blu-Ray features English and Italian language options, captions, and a trailer, with a run time of 91 minutes. This Region Free Blu-Ray by Severin contains bonus features and is in excellent condition, with free postage and packaging.
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This book presents recent advances in the field of intelligent systems. Composed of fourteen selected chapters, it covers a wide range of research that varies from applications in industrial data science to those in applied science. Today the word INNOVATION is more and more connected with the words INTELLIGENT and SECURITY, as such the book discusses the theory and applications of hot topics such as big data, education applications of robots with different levels of autonomy, knowledge-based modeling and control of complex dynamical systems, sign-based synthesis of behavior, security issues with intelligent systems, innovative intelligent control design, neuromorphic computation, data-driven classification, intelligent modeling and measurement innovations, multisensor data association, personal education assistants, a modern production architecture, study of peer review and scientometrics, intelligent research on bug report data, and clustering non-Gaussian data. The broad and varied research discussed represents the mainstream of contemporary intelligent innovations that are slowly but surely changing the world. <br>
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Voir les photos pour l'état du livre Mondial relay en France Livres et brochures à l'étranger
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<p>This book presents a unique collection of up-to-date applications of graphene for water science. Because water is an invaluable resource and the intelligent use and maintenance of water supplies is one of the most important and crucial challenges that stand before mankind, new technologies are constantly being sought to lower the cost and footprint of processes that make use of water resources as potable water as well as water for agriculture and industry, which are always in desperate demand. Much research is focused on graphene for different water treatment uses. Graphene, whose discovery won the 2010 Nobel Prize in physics, has been a shining star in the material science in the past few years. Owing to its interesting electrical, optical, mechanical and chemical properties, graphene has found potential applications in a wide range of areas, including water purification technology. A new type of graphene-based filter could be the key to managing the global water crisis. According to the World Economic Forum's Global Risks Report, lack of access to safe, clean water is the biggest risk to society over the coming decade. Yet some of these risks could be mitigated by the development of this filter, which is so strong and stable that it can be used for extended periods in the harshest corrosive environments, and with less maintenance than other filters on the market. The graphene-based filter could be used to filter chemicals, viruses, or bacteria from a range of liquids. It could be used to purify water, dairy products or wine, or in the production of pharmaceuticals. This book provides practical information to all those who are involved in this field.</p>
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MR. LARS, SOGNATORE D'ARMI. Un tipico romanzo a intreccio, scritto con "humour" corrosivo e realizzato con la perfezione d'incastri d'un orologio. Dick dissemina a piene mani, le più stravaganti possibilità di soluzione.
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This book systematically describes and evaluates the impact of energy cooperatives as a key driving force in the German energy transition toward a sustainability-oriented energy sector. Based on a comprehensive survey and three case studies, it provides an instructive overview of the overall dimensions and scope of energy cooperatives in Germany, and of their history, structure and current investment projects. The book not only contributes to the energy policy discourse in Germany, but also highlights the role of energy cooperatives to enable an international readership to explore their potential in other countries. Further, it makes a theoretical contribution toward substantially supplementing actor research in general, and enterprise research in particular, in the field of sustainability transitions science. <p></p>
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Et lorsque Sladek détruisit enfin le souvenir sacré de Bradbury et de ses martianeries, de Clarke, d'Asimov et autres Edgar Allan Poe. ce fut la fin des débuts dorés de ce que les gens qui veulent être à la mode appellent la science-fiction.
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