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This book presents a complete framework for energy harvesting technologies based on graded elastic metamaterials. First, it provides a comprehensive survey of state-of-the-art research on metamaterials for energy harvesting and then explores the theoretical wave mechanics framework, going from inhomogeneous media to graded elastic metamaterials. The framework can be used to thoroughly analyse wave propagation phenomena in beams, plates, and half-spaces and to investigate the effect of local resonance on creating bandgaps or wave mode conversions. All these concepts converge together with piezoelectric materials in the study and design of piezo-augmented arrays of resonators. The energy harvesting performances of the graded metamaterials are then compared to conventional solutions, in order to quantify their advantages for applications.
Vibration. --- Dynamical systems. --- Dynamics. --- Nanotechnology. --- Materials science. --- Force and energy. --- Vibration, Dynamical Systems, Control. --- Nanotechnology and Microengineering. --- Energy Materials. --- Conservation of energy --- Correlation of forces --- Energy --- Physics --- Dynamics --- Material science --- Physical sciences --- Molecular technology --- Nanoscale technology --- High technology --- Dynamical systems --- Kinetics --- Mathematics --- Mechanics, Analytic --- Force and energy --- Mechanics --- Statics --- Cycles --- Sound --- Energy harvesting. --- Energy scavenging --- Harvesting, Energy --- Power harvesting --- Power resources
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For decades clinical electrophysiology has been considered a discipline for adepts, able to interpret not so obvious intracardiac signals. With the advent of new technologies, offering a three-dimensional reconstruction of cardiac anatomy and generating colour-coded maps, the approach to the complex world of electrophysiology is changing: A three-dimensional colour-coded electroanatomic map of a left atrium could be a precise and self-explanatory representation based on intracavitary signals, on which correct diagnosis is made and successful ablation is performed. As expected, this makes the difference especially in cases exhibiting complex arrhythmias (atypical atrial flutters, postsurgical arrhythmias), in which the task could be really tough. The book is based on a multicentre experience and describes the most difficult cases of each centre, as far as arrhythmia is concerned. For each case, the crucial role of electroanatomic mapping in providing unique information and new insights in a field still in evolution is very evident. The book will prove to be very a useful tool for all the operators working in this field.
Atrial arrhythmias. --- Arrhythmia. --- Arrhythmia --- Allorhythmia --- Arhythmia --- Arrhythmias --- Cardiac arrhythmia --- Dysrhythmia --- Irregular heart beats --- Heart --- Heart beat --- Electric countershock --- Palpitation --- Diseases --- Medicine. --- Radiology, Medical. --- Cardiology. --- Biomedicine general. --- Imaging / Radiology. --- Cardiac Surgery. --- Surgery. --- Cardiac surgery --- Open-heart surgery --- Internal medicine --- Clinical radiology --- Radiology, Medical --- Radiology (Medicine) --- Medical physics --- Clinical sciences --- Medical profession --- Human biology --- Life sciences --- Medical sciences --- Pathology --- Physicians --- Surgery --- Health Workforce --- Radiology. --- Cardiac surgery. --- Biomedicine, general. --- Radiological physics --- Physics --- Radiation
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