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Ultrasound medical imaging stands out among the other diagnostic imaging modalities for its patient-friendliness, high temporal resolution, low cost, and absence of ionizing radiation. On the other hand, it may still suffer from limited detail level, low signal-to-noise ratio, and narrow field-of-view. In the last decade, new beamforming and image reconstruction techniques have emerged which aim at improving resolution, contrast, and clutter suppression, especially in difficult-to-image patients. Nevertheless, achieving a higher image quality is of the utmost importance in diagnostic ultrasound medical imaging, and further developments are still indispensable. From this point of view, a cruc...
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Supercapacitors can both hold large amounts of energy and charge up almost instantly. They have higher energy densities, higher efficiencies and longer lifetimes so can be used in a wide range of energy harvesting and storage systems including portable power and grid applications. Despite offering key performance advantages, many device components pose significant environmental hazards, often containing fluorine, sulfur and cyanide groups which are harmful when discarded. In recent years, there has been increasing research into more sustainable electrode materials for supercapacitor applications. In this book, readers are introduced to the extensive and ongoing research on the rationalization of low-carbon supercapacitor materials, their structures at varying scales and dimensions, the development of effective and low-cost synthesis techniques, design and architecture of green materials, as well as clarification of their electrochemical performance. It is an ideal book for researchers and industry professionals at the energy–environment nexus, searching for new advancements in supercapacitor science and technologies.
L.E.J. Brouwer: Collected Works, Volume 1: Philosophy and Foundations of Mathematics focuses on the principles, operations, and approaches promoted by Brouwer in studying the philosophy and foundations of mathematics. The publication first ponders on the construction of mathematics. Topics include arithmetic of integers, negative numbers, measurable continuum, irrational numbers, Cartesian geometry, similarity group, characterization of the linear system of the Cartesian or Euclidean and hyperbolic space, and non-Archimedean uniform groups on the one-dimensional continuum. The book then examines mathematics and experience and mathematics and logic. Topics include denumerably unfinished sets, continuum problem, logic of relations, consistency proofs for formal systems independent of their interpretation, infinite numbers, and problems of space and time. The text is a valuable reference for students, mathematicians, and researchers interested in the contributions of Brouwer in the studies on the philosophy and foundations of mathematics.
This comprehensive collection of lectures by leading experts in the field introduces and reviews all relevant computer simulation methods and their applications in condensed matter systems. Volume 1 is an in-depth introduction to a vast spectrum of computational techniques for statistical mechanical systems of condensed matter. Volume 2 is a collection of state-of-the-art surveys on numerical experiments carried out for a great number of systems.
This thesis proposes new power converter topologies suitable for aircraft systems. It also proposes both AC-DC and DC-DC types of converters for different electrical loads to improve the performance these systems. To increase fuel efficiency and reduce environmental impacts, less efficient non-electrical aircraft systems are being replaced by electrical systems. However, more electrical systems requires more electrical power to be generated in the aircraft. The increased consumption of electrical power in both civil and military aircrafts has necessitated the use of more efficient electrical power conversion technologies. This book presents acomprehensive mathematical analysis and the design and digital simulation of the power converters. Subsequently it discusses the construction of the hardware prototypes of each converter and the experimental tests carried out to verify the benefits of the proposed solutions in comparison to the existing solutions.
Molecular self-assembly has been exploited by nature for developing the higher functional macromolecular structures of both the genome and proteome. Inspired by nature, there has been a surge of research, in the last two decades, for the molecular engineering of peptide-based self-assembling nanostructures, adopting the bottom-up design approach. This book gives the reader an overview on the design rules for de novo self-assembling peptide and reviews the diverse range of bioinspired peptide nanostructures such as β-sheet and β-hairpin, α-helical and coiled coil, self-assembling short peptides and peptidomimetics, collagen-based and elastin-like peptides, silk peptides, peptide amphiphile...
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.