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The book “Case Studies in Micromechatronics – From Systems to Process” offers prominent sample applications of micromechatronic systems and the enabling fabrication technologies. The chosen examples represent five main fields of application: consumer electronics (pressure sensor), mobility and navigation (acceleration sensor), handling technology and automation (micro gripper), laboratory diagnostics (point of care system), and biomedical technology (smart skin). These five sample systems are made from different materials requiring a large variety of modern fabrication methods and design rules, which are explained in detail. As a result, an inverted introduction “from prominent applications to base technologies” is provided. Examples of applications are selected to offer a broad overview of the development environment of micromechatronic systems including established as well as cutting-edge microfabrication technologies.
Microfluidics-based devices play an important role in creating realistic microenvironments in which cell cultures can thrive. They can, for example, be used to monitor drug toxicity and perform medical diagnostics, and be in a static-, perfusion- or droplet-based device. They can also be used to study cell-cell, cell-matrix or cell-surface interactions. Cells can be either single cells, 3D cell cultures or co-cultures. Other organisms could include bacteria, zebra fish embryo, C. elegans, to name a few.
Das Ziel dieses Buches ist die Charakterisierung und Beschreibung des Ausbreitungsverhaltens geführter Ultraschallwellen (GUW) in Faserverbund-Metall-Laminaten (FML). Sie gliedert sich in drei experimentelle Untersuchungen. Im ersten Experiment wird das Phasenverhältnis der Schwingungen an Strukturober – und -unterseite als Maß für die Ähnlichkeit zu den für isotrope Materialien hergeleiteten Lamb-Wellen untersucht. Dazu erfolgt die Entwicklung eines Verfahrens zum Phasenwinkelvergleich, welches auf der Continuous Wavelet Transformation sowie der Short-Time Fourier-Transformation beruht. Damit kann anhand simulierter Zeitsignalverläufe in verschiedenen Strukturen gezeigt werden, das...
Die Braunschweigische Wissenschaftliche Gesellschaft (BWG) ist eine traditionsreiche Wissenschaftsgesellschaft, in der insbesondere das Zusammenwirken von Natur-, Technik- und Geisteswissenschaften gepflegt wird. Das Jahrbuch 2021 der BWG vermittelt einen Überblick über die Aktivitäten der Gesellschaft, ihre Forschungsvorhaben und öffentliche sowie BWG-interne Vorträge und Abhandlungen von Mitgliedern und eingeladenen Wissenschaftlerinnen und Wissenschaftlern. Herausragende Veranstaltungen waren in 2021 die Verleihung der Gauß-Medaille an Frau Prof. Dr. Bénédicte Savoy, das Bioethik-Symposium über „Aufklärung und Impfung im Kampf gegen die Covid-Pandemie“ und die von der Jungen...
Proceedings of the IAU Symposium No. 40, held in Marfa, Texas, U.S.A., October 26-31, 1969
The ever growing demand for clean energy potentially can be met by solar-to-electrical energy conversion. This book on “Recent Advances in Photovoltaics” presents a detailed overview of recent research and developments in the field of photovoltaics and solar cells. It starts with the basic theory and gradual progress in the field of photovoltaics and various generations of solar cells. The search for new materials and/or new structures such as multi-junctions, nanostructures, photoelectrochemical cells, organic solar cells etc. for improved performance is discussed. The experimental investigations on certain materials and modelling for better results are also described in the book. Photovoltaics, Solar Cells, Multi-Junctions Solar Cells, Nanostructured Solar Cells, Photoelectrochemical Solar Cells, Organic Solar Cells, Polymer Solar Cells
This valuable reference presents detailed studies of eleven planetary atmospheres: four for the giant planets (Jupiter, Saturn, Uranus, and Neptune), four for the small bodies (Io, Titan, Triton, and Pluto), and three for the terrestrial planets (Mars, Venus, and Earth). Also, using the database provided by recent space missions supplemented by Earth-based observations, the authors offer an extensive survey of the principal chemical cycles that control the present composition and past history of planetary atmospheres.
Edited and authored by top international experts, this first book on conjugated polymers with a focus on synthesis provides a detailed overview of all modern synthetic methods for these highly interesting compounds. As such, it describes every important compound class, including polysilanes, organoboron compounds, and ferrocene-containing conjugated polymers. An indispensable source for every synthetic polymer chemist.
Photocatalysis and related processes occupy a strategic position for the future of photochemistry. This volume provides an introduction to basic concepts and explains how applications work at the molecular level.
Real insight from leading experts in the field into the causes of the unique photovoltaic performance of perovskite solar cells, describing the fundamentals of perovskite materials and device architectures. The authors cover materials research and development, device fabrication and engineering methodologies, as well as current knowledge extending beyond perovskite photovoltaics, such as the novel spin physics and multiferroic properties of this family of materials. Aimed at a better and clearer understanding of the latest developments in the hybrid perovskite field, this is a must-have for material scientists, chemists, physicists and engineers entering or already working in this booming field.