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La boussole des pigeons.
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Year: 1980

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Keywords

Bird. --- Magnetic field. --- Pigeon. --- Pigeons.


Book
The hidden link between Earth's magnetic field and climate
Authors: --- ---
ISBN: 0128193476 0128193468 9780128193471 9780128193464 Year: 2020 Publisher: Amsterdam

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Physics of geomagnetic phenomena
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ISBN: 1299442900 0323141218 0124803016 9780323141215 9780124803015 Year: 1967 Publisher: New York : Academic Press,

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Physics Of Geomagnetic Phenomena

Environmental magnetism : principles and applications of enviromagnetics
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ISBN: 0122438515 9786611059330 1281059331 0080505783 Year: 2003 Publisher: Amsterdam ; Boston : Academic Press,

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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 v

Earth magnetism : a guided tour through magnetic fields
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ISBN: 128102712X 9786611027124 0080504906 0121581640 9780080504902 9780121581640 Year: 2001 Publisher: San Diego : Harcourt/Academic Press,

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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 sci


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Computational geo-electromagnetics
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ISBN: 0128208201 9780128208205 0128196319 9780128196311 Year: 2020 Publisher: Amsterdam Elsevier


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Auslegung eines asynchronen Langstatorlinearmotors mit großem Luftspalt als Straßenbahnantrieb
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ISBN: 1000048194 3731504189 Year: 2015 Publisher: KIT Scientific Publishing

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The present paper focuses on the concept of a linear motor for tram operation without overhead lines. The type of motor selected is an asynchronous long-stator linear motor without an adjuster. The resulting big air gap is the biggest challenge in design. First, the impacts of the big air gap are studied analytically. Then, an asynchronous long-stator linear motor for driving the tram is designed using the FE method. The simulation models are validated using a linear motor demonstrator.

Hysteresis in magnetism
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ISBN: 9780120932702 0120932709 1306133092 1493300113 0080534376 9780080534374 Year: 1998 Publisher: San Diego Academic Press

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This book provides a comprehensive treatment of the physics of hysteresis in magnetism and of the mathematical tools used to describe it. Hysteresis in Magnetism discusses from a unified viewpoint the relationsof hysteresis to Maxwells equations, equilibrium and non-equilibrium thermodynamics, non-linear system dynamics, micromagnetics, and domain theory. These aspects are then applied to the interpretation of magnetization reversal mechanisms: coherent rotation and switching in magnetic particles, stochastic domain wall motion and the Barkhausen effect, coercivity mechanisms and magnet

The magnetic field of the earth
Authors: --- ---
ISBN: 0124912451 9786611049775 1281049778 0080553206 9780080553207 9780124912458 Year: 1996 Publisher: San Diego, Calif. Academic Press


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Magnetic Reconnection : Concepts and Applications
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ISBN: 3319264303 331926432X Year: 2016 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book provides an overview of recent research highlights in the main areas of application of magnetic reconnection (MR), including planetary, solar and magnetospheric physics and astrophysics. It describes how research on magnetic reconnection, especially concerning the Earth's magnetosphere, has grown extensively due to dedicated observations from major satellite missions such as Cluster, Double Star and Themis. The accumulated observations from these missions are being supplemented by many theoretical and modelling efforts, for which large scale computer facilities are successfully being used, and the theoretical advances are also covered in detail. Opening with an introductory discussion of some fundamental issues related to magnetic reconnection, subsequent chapters address topics including collisionless magnetic reconnection, MHD structures in 3D reconnection, energy conversion processes, fast reconnection mediated by plasmoids, rapid reconnection and magnetic field topology. Further chapters consider specific areas of application such as magnetospheric dayside and tail reconnection, comparative reconnection in planetary systems and reconnection in astrophysical systems. The book offers insight into discussions about fundamental concepts and key aspects of MR, access to the full set of applications of MR as presently known in space physics and in astrophysics, and an introduction to a new related area of study dealing with the annihilation of quantum magnetic fluxes and its implications in the study on neutron star activity. The book is aimed primarily at students entering the field, but will also serve as a useful reference text for established scientists and senior researchers. .

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