Environment In A Magnet
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| Author | : John J. Croat |
| Publisher | : Woodhead Publishing |
| Total Pages | : 455 |
| Release | : 2022-01-27 |
| Genre | : Technology & Engineering |
| ISBN | : 032388640X |
Modern Permanent Magnets provides an update on the status and recent technical developments that have occurred in the various families of permanent magnets produced today. The book gives an overview of the key advances of permanent magnet materials that have occurred in the last twenty years. Sections cover the history of permanent magnets, their fundamental properties, an overview of the important families of permanent magnets, coatings used to protect permanent magnets and the various tests used to confirm specifications are discussed. Finally, the major applications for each family of permanent magnets and the size of the market is provided. The book also includes an Appendix that provides a Glossary of Magnetic Terms to assist the readers in better understanding the technical terms used in other chapters. This book is an ideal resource for materials scientists and engineers working in academia and industry R&D. - Provides an in-depth overview of all of the important families of permanent magnets produced today - Includes background information on the fundamental properties of permanent magnets, major applications of each family of permanent magnets, and advances in coatings and coating technology - Reviews the fundamentals of permanent magnet design
| Author | : Mark Evans |
| Publisher | : Elsevier |
| Total Pages | : 318 |
| Release | : 2003-06-23 |
| Genre | : Science |
| ISBN | : 0080505783 |
Magnetism is important in environmental studies for several reasons, the two most fundamental being that most substances exhibit some form of magnetic behavior, and that iron is one of the most common elements in the Earth's crust. Once sequestered in a suitable material, magnetic particles constitute a natural archive of conditions existing in former times. Magnetism provides a tracer of paleo-climatic and paleo-environmental conditions and processes.Environmental Magnetism details the occurrence and uses of magnetic materials in the natural environment. The first half of the volume describes the basic principles. The second half discusses the applications of magnetic measurements in various environmental settings on land, in lakes, in the ocean, and even various biological organisms.* Material is broadly applicable to environmental studies* Case histories illustrate key points* Extensive bibliography makes further research quick and easy
| Author | : Eric Chassefiere |
| Publisher | : John Wiley & Sons |
| Total Pages | : 370 |
| Release | : 2021-11-02 |
| Genre | : Science |
| ISBN | : 1786307170 |
The discovery, in the middle of the 17th century, of both the weight of air and the law governing its elasticity transformed the status of the atmosphere from that of a purely mathematical object to that of a complex and highly variable physical system. In the context of rapidly intensifying experimentation and observation, the nature of the atmosphere was therefore the subject of a host of hypotheses, which 18th century scholars tried to reconcile with a coherent physical approach. In particular, this was achieved by the conceptualization of invisible or “subtle” materials, thought to be closely linked to atmospheric stratification. Subtle matter was introduced, largely to reconcile contradictory results concerning the estimation of the height of the atmosphere. These estimations were based on different methods, mainly using the observation of meteors and the refracted and reflected light of stars. Taking as its common thread the question of the height of the atmosphere, which was omnipresent in the texts at the time, this book traces the history of the discovery of the atmosphere and the many questions it generated.
| Author | : Wallace H. Campbell |
| Publisher | : Elsevier |
| Total Pages | : 180 |
| Release | : 2001-02-07 |
| Genre | : Science |
| ISBN | : 0080504906 |
An introductory guide to global magnetic field properties, Earth Magnetism addresses, in non-technical prose, many of the frequently asked questions about Earth's magnetic field. Magnetism surrounds and penetrates our Earth in ways basic science courses can rarely address. It affects navigation, communication, and even the growth of crystals. As we observe and experience an 11-year solar maximum, we may witness spectacular satellite-destroying solar storms as they interact with our magnetic field. Written by an acknowledged expert in the field, this book will enrich courses in earth science, atmospheric science, geology, meteorology, geomagnetism, and geophysics. Contains nearly 200 original illustrations and eight pages of full-color plates.* Largely mathematics-free and with a wide breadth of material suitable for general readers* Integrates material from geomagnetism, paleomagnetism, and solar-terrestrial space physics.* Features nearly 200 original illustrations and 4 pages of colour plates
| Author | : Gwen Spicer |
| Publisher | : |
| Total Pages | : 402 |
| Release | : 2019 |
| Genre | : Art objects |
| ISBN | : 9780578460178 |
| Author | : Alanna Mitchell |
| Publisher | : Penguin |
| Total Pages | : 342 |
| Release | : 2018-01-30 |
| Genre | : Science |
| ISBN | : 1101985186 |
The mystery of Earth's invisible, life-supporting power Alanna Mitchell's globe-trotting history of the science of electromagnetism and the Earth's magnetic field--right up to the latest indications that the North and South Poles may soon reverse, with apocalyptic results--will soon change the way you think about our planet. Award-winning journalist Alanna Mitchell's science storytelling introduce intriguing characters--from the thirteenth-century French investigations into magnetism and the Victorian-era discover that electricity and magnetism emerge from the same fundamental force to the latest research. No one has ever told so eloquently how the Earth itself came to be seen as a magnet, spinning in space with two poles, and that those poles have dramatically reversed many time, often coinciding with mass extinctions. The most recent reversal was 780,000 years ago. Mitchell explores indications that the Earth's magnetic force field is decaying faster than previously thought. When the poles switch, a process that takes many years, the Earth is unprotected from solar radiation storms that would, among other disturbances, wipe out much and possible all of our electromagnetic technology. Navigation for all kinds of animals is disrupted without a stable, magnetic North Pole. But can you imagine no satellites, no Internet, no smartphones--maybe no power grids at all? Alanna Mitchell offers a beautifully crafted narrative history of surprising ideas and science, illuminating invisible parts of our own planet that are constantly changing around us.
| Author | : Neli Jordanova |
| Publisher | : Academic Press |
| Total Pages | : 468 |
| Release | : 2016-11-10 |
| Genre | : Science |
| ISBN | : 0128094958 |
Soil Magnetism: Applications in Pedology, Environmental Science and Agriculture provides a systematic, comparative, and detailed overview of the magnetic characterization of the major soil units and the observed general relationships, possibilities, and perspectives in application of rock magnetic methods in soil science, agriculture, and beyond. Part I covers detailed magnetic and geochemical characterization of major soil types according to the FAO classification system, with Part II covering the mapping of topsoil magnetic signatures on the basis of soil magnetic characteristics. The book concludes with practical examples on the application of magnetic methods in environmental science, agriculture, soil pollution, and paleoclimate. - Provides an overview of the major findings of uncontaminated soil profiles and proposes a system of magnetic characteristics - Elucidates the relationship between geochemical and magnetic characteristics of different soil types, providing a basis for wider recognition and application of soil magnetism in classical pedagogical characterization of soils - Covers the peculiarities of the main taxonomic soil groups in terms of magnetic mineralogy and depth variations in concentration, grain size, and phase composition of iron oxides
| Author | : Diane Sicotte |
| Publisher | : Rutgers University Press |
| Total Pages | : 273 |
| Release | : 2016-09-21 |
| Genre | : Medical |
| ISBN | : 0813574226 |
Like many industrialized regions, the Philadelphia metro area contains pockets of environmental degradation: neighborhoods littered with abandoned waste sites, polluting factories, and smoke-belching incinerators. However, other neighborhoods within and around the city are relatively pristine. This eye-opening book reveals that such environmental inequalities did not occur by chance, but were instead the result of specific policy decisions that served to exacerbate endemic classism and racism. From Workshop to Waste Magnet presents Philadelphia’s environmental history as a bracing case study in mismanagement and injustice. Sociologist Diane Sicotte digs deep into the city’s past as a titan of American manufacturing to trace how only a few communities came to host nearly all of the area’s polluting and waste disposal land uses. By examining the complex interactions among economic decline, federal regulations, local politics, and shifting ethnic demographics, she not only dissects what went wrong in Philadelphia but also identifies lessons for environmental justice activism today. Sicotte’s research tallies both the environmental and social costs of industrial pollution, exposing the devastation that occurs when mass quantities of society’s wastes mix with toxic levels of systemic racism and economic inequality. From Workshop to Waste Magnet is a compelling read for anyone concerned with the health of America’s cities and the people who live in them.
| Author | : Andrea Ehrmann |
| Publisher | : Woodhead Publishing |
| Total Pages | : 761 |
| Release | : 2021-06-23 |
| Genre | : Technology & Engineering |
| ISBN | : 0128236892 |
Magnetic Nanoparticle-Based Hybrid Materials: Fundamentals and Applications introduces the principles, properties, and emerging applications of this important materials system. The hybridization of magnetic nanoparticles with metals, metal oxides and semiconducting nanoparticles may result in superior properties. The book reviews the most relevant hybrid materials, their mechanisms and properties. Then, the book focuses on the rational design, controlled synthesis, advanced characterizations and in-depth understanding of structure-property relationships. The last part addresses the promising applications of hybrid nanomaterials in the real world such as in the environment, energy, medicine fields. Magnetic Nanoparticle-Based Hybrid Materials: Fundamentals and Applications comprehensively reviews both the theoretical and experimental approaches used to rapidly advance nanomaterials that could result in new technologies that impact day-to-day life and society in key areas such as health and the environment. It is suitable for researchers and practitioners who are materials scientists and engineers, chemists or physicists in academia and R&D. - Provides in-depth information on the basic principles of magnetic nanoparticles-based hybrid materials such as synthesis, characterization, properties, and magnon interactions - Discusses the most relevant hybrid materials systems including integration of metals, metal oxides, polymers, carbon and more - Addresses the emerging applications in medicine, the environment, energy, sensing, and computing enabled by magnetic nanoparticles-based hybrid materials
| Author | : Wallace H. Campbell |
| Publisher | : Academic Press |
| Total Pages | : 206 |
| Release | : 2001-01-19 |
| Genre | : Science |
| ISBN | : 9780121581640 |
An introductory guide to global magnetic field properties, Earth Magnetism addresses, in non-technical prose, many of the frequently asked questions about Earth's magnetic field. Magnetism surrounds and penetrates our Earth in ways basic science courses can rarely address. It affects navigation, communication, and even the growth of crystals. As we observe and experience an 11-year solar maximum, we may witness spectacular satellite-destroying solar storms as they interact with our magnetic field. Written by an acknowledged expert in the field, this book will enrich courses in earth science, atmospheric science, geology, meteorology, geomagnetism, and geophysics. Contains nearly 200 original illustrations and eight pages of full-color plates. * Largely mathematics-free and with a wide breadth of material suitable for general readers * Integrates material from geomagnetism, paleomagnetism, and solar-terrestrial space physics. * Features nearly 200 original illustrations and 4 pages of colour plates
