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The Electron And The Lamb Shift
This book presents a detailed analytical description of the derivation of the Lamb shift in the Hydrogen atom using quantum field theory. This shift in energy levels, relative to what is predicted in traditional particle physics theory, is due to the phenomena of vacuum fluctuations and vacuum polarization which are accounted for in the quantum field theory as applied in particle physics. The derivation reported is done using perturbation theory and extends up to 4th order. This derivation has been carried out to higher orders by scientists all over the world throughout several decades and agrees exceptionally well with experimental data demonstrating the physical reality of vacuum fluctuations. This book also includes a historical overview of the understanding of the atom and its interaction with electromagnetic radiation as it was in the first half of the 20th century, when the calculation of the Lamb shift was first attempted.
Plasmonic Nanosensors for Biological and Chemical Threats
Biological and chemical warfare agents, including viruses, bacteria, and explosive and radioactive compounds, can induce illness or death in humans, animals, and plants. Plasmonic nanosensors as detection tools of these agents offer significant advantages, including rapid detection, sensitivity, selectivity, and portability. This book explores novel and updated research on different types of plasmonic nanosensors for analysis of biological and chemical threat agents. It covers a brief theory of plasmonic nanosensors, summarizes the state-of-art in the molecular recognition of biological and chemical threat agents, and describes the application of various types of nanosensors in the detection...
Sensors And Actuators
This introductory compendium teaches engineering students how the most common electronic sensors and actuators work. It distinguishes from other books by including the physical and chemical phenomena used as well as the features and specifications of many sensors and actuators.The useful reference text also contains an introductory chapter that deals with their specifications and classification, a chapter about sensor and actuator networks, and a special topic dealing with the fabrication of sensors and actuators using microelectromechanical systems techniques (sensors and actuators on a chip). A set of exercises and six laboratory projects are highlighted.
Sensores e atuadores
A Série Universitária foi desenvolvida pelo Senac São Paulo com o intuito de preparar profissionais para o mercado de trabalho. Os títulos abrangem diversas áreas, abordando desde conhecimentos teóricos e práticos adequados às exigências profissionais até a formação ética e sólida. Sensores e atuadores oferece uma visão geral de tecnologias voltadas à área de automação em sensoriamento, monitoramento, inteligência no uso de dados e atuação em processos. Os temas abordados vão desde as bases tecnológicas históricas até aplicações de sensoriamento na indústria, agroindústria, saúde e bens de consumo, descrevendo também a integração das tecnologias IoT (internet das coisas) com ferramentas estatísticas para análise de dados, machine learning e inteligência artificial. Com exemplos reais e atuais, esta obra proporciona uma visão completa sobre quais são os tipos de sensores e atuadores, seus componentes, sua história e como obter o melhor resultado de aplicação em diversos setores.
Self Portrait in Green
'NDiaye is a hypnotic storyteller with an unflinching understanding of the rock-bottom reality of most people's life.' New York Times ' One of France's most exciting prose stylists.' The Guardian. Obsessed by her encounters with the mysterious green women, and haunted by the Garonne River, a nameless narrator seeks them out in La Roele, Paris, Marseille, and Ouagadougou. Each encounter reveals different aspects of the women; real or imagined, dead or alive, seductive or suicidal, driving the narrator deeper into her obsession, in this unsettling exploration of identity, memory and paranoia. Self Portrait in Green is the multi-prize winning, Marie NDiaye's brilliant subversion of the memoir. Written in diary entries, with lyrical prose and dreamlike imagery, we start with and return to the river, which mirrors the narrative by posing more questions than it answers.
International Arbitration: Law and Practice
International Arbitration: Law and Practice (Third Edition) provides comprehensive and authoritative coverage of the basic principles and legal doctrines, and the practice, of international arbitration. The book contains a systematic, but concise, treatment of all aspects of the arbitral process, including international arbitration agreements, international arbitral proceedings and international arbitral awards. The Third Edition guides both students and practitioners through the entire arbitral process, beginning with drafting, enforcing and interpreting international arbitration agreements, to selecting arbitrators and conducting arbitral proceedings, to recognizing, enforcing and seeking ...
About Trees
About Trees considers our relationship with language, landscape, perception, and memory in the Anthropocene. The book includes texts and artwork by a stellar line up of contributors including Jorge Luis Borges, Andrea Bowers, Ursula K. Le Guin, Ada Lovelace and dozens of others. Holten was artist in residence at Buro BDP. While working on the book she created an alphabet and used it to make a new typeface called Trees. She also made a series of limited edition offset prints based on her Tree Drawings.
A plasma chemistry study on global model for argon gas as a propellant to electrostatic gridded ion thruster
Electric propulsion optimizes propellant mass and meets new propulsion device demands. These devices adjust satellite orbits and enable long missions. Among various thrusters, electrostatic ones have well-defined physics, simplifying operational parameter optimization. This study developed a global model for an Inductively Coupled Plasma (ICP) cylindrical ion thruster with an output polarized grid system. Argon propellant is injected into the chamber, and ICP plasma is generated by a radiofrequency current. Neutral and excited species are accelerated out by diffusion, while ionized species are accelerated via the polarized grids' electric field. The polarized grid system was optimized for better plasma sheath use. The model considers single and multi-step ionization, the Electron Energy Distribution Function (EEDF), neutral gas, and electron power balance equations. Excited species influence ionization energy, but not ionic density. However, the ion substitution rate increases, essential for thrust and specific impulse. The model determines the neutral gas temperature by considering the power balance and interactions with other species.
