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Physics of Magnetism and Magnetic Materials

Physics of Magnetism and Magnetic Materials

K.H.J Buschow; F.R. de Boer

Kluwer Academic/Plenum Publishers
2003
sidottu
In this book, the fundamentals of magnetism are treated, starting at an introductory level. The origin of magnetic moments, the response to an applied magnetic field, and the various interactions giving rise to different types of magnetic ordering in solids are presented and many examples are given. Crystalline-electric-field effects are treated at a level that is sufficient to provide the basic knowledge necessary in understanding the properties of materials in which these effects play a role. Itinerant-electron magnetism is presented on a similar basis. Particular attention has been given to magnetocrystalline magnetic anisotropy and the magnetocaloric effect. Also, the usual techniques for magnetic measurements are presented. About half of the book is devoted to magnetic materials and the properties that make them suitable for numerous applications. The state of the art is presented of permanent magnets, high-density recording materials, soft-magnetic materials, Invar alloys and magnetostrictive materials. Many references are given.
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Physics of Magnetism and Magnetic Materials

Physics of Magnetism and Magnetic Materials

K.H.J Buschow; F.R. de Boer

Springer-Verlag New York Inc.
2012
nidottu
In this book, the fundamentals of magnetism are treated, starting at an introductory level. The origin of magnetic moments, the response to an applied magnetic field, and the various interactions giving rise to different types of magnetic ordering in solids are presented and many examples are given. Crystalline-electric-field effects are treated at a level that is sufficient to provide the basic knowledge necessary in understanding the properties of materials in which these effects play a role. Itinerant-electron magnetism is presented on a similar basis. Particular attention has been given to magnetocrystalline magnetic anisotropy and the magnetocaloric effect. Also, the usual techniques for magnetic measurements are presented. About half of the book is devoted to magnetic materials and the properties that make them suitable for numerous applications. The state of the art is presented of permanent magnets, high-density recording materials, soft-magnetic materials, Invar alloys and magnetostrictive materials. Many references are given.
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How to Build and Market a 5-Star Online Reputation: Attract Pre-Qualified Buyers to Your Business Like a Powerful Magnet

How to Build and Market a 5-Star Online Reputation: Attract Pre-Qualified Buyers to Your Business Like a Powerful Magnet

Nick F. Nichols

Createspace Independent Publishing Platform
2013
nidottu
UPDATED FOR 2019 This book is for you if you want to attract pre-qualified buyers to your business like a powerful magnet In this new book you will learn: How to assess and monitor your online reputationWhere you must get your business listed onlineHow to stop wasting precious advertising and promotion dollarsWhy you may be inadvertently preventing people from buying from youHow major changes at Google are affecting your online visibilityWhat steps you must take to preempt your competitionHow to beat consumer review sites at their own gamePlus, you will learn the author's proprietary E.Q.U.A.L. formula for generating endless 5-star reviews. If implemented, this alone can be worth hundreds, even thousands of times the prices of this book. Nick Nichols helps business owners and professionals build and market a 5-star online reputation so people searching for a business like yours - or for you specifically - will see you as the best and obvious choice and call you first, ready to buy from you on your terms at the prices you want to charge.
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The Spring Madness of Mr Sermon

The Spring Madness of Mr Sermon

R. F. Delderfield

Hodder Paperback
1982
pokkari
It happened on the second day of the summer term. Was it caused by the smell of lilac, the droning of the bees, or the French incense which Lane-Perkins had set alight? Nobody knew, but that spring afternoon following a heated exchange with a pupil, Sebastian Sermon, a forty-nine-year-old schoolmaster, experiences a brainstorm. Dissatisfied with his life, he leaves his job, wife and children, and takes to the road.In the months that follow, Sebastian discovers that excitement and romance are not only for the young. He does things he has never done before and finds that he has talents which no one, least of all himself, had ever suspected . . .
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Materiali Magneticamente Morbidi Per l'Industria Delle Macchine Elettriche

Materiali Magneticamente Morbidi Per l'Industria Delle Macchine Elettriche

U T Berdiev; O F Demidenko; F F Hasanov

Edizioni Sapienza
2023
pokkari
L'introduzione diffusa dell'automazione e della robotica in vari settori dell'economia nazionale ha portato a un'intensa crescita della produzione di macchine elettriche a bassa potenza. A causa dell'elevato consumo specifico di materiali magnetici nella produzione di micromacchine, lo sviluppo di una tecnologia priva di scarti per la produzione di nuclei e anime magnetiche con metodi di metallurgia delle polveri una direzione molto promettente. L'uso di materiali magneticamente morbidi (MMP) prodotti con metodi di metallurgia delle polveri consente di ridurre le perdite di acciaio elettrico del 60% e di eliminare molte operazioni che richiedono manodopera, di automatizzare il processo tecnologico e di garantire la precisione richiesta delle dimensioni dei pezzi, escludendo ulteriori lavorazioni di finitura. In questa monografia vengono considerate e studiate le caratteristiche di base dei materiali magneticamente morbidi, l'influenza della composizione e della struttura sulle loro propriet , i materiali compositi magneticamente morbidi e la composizione, la struttura e le propriet dei MMM utilizzati per la produzione di nuclei magnetici e nuclei nella costruzione di macchine elettriche.
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Materiais Magneticamente Macios Para a Indústria de Maquinaria Eléctrica

Materiais Magneticamente Macios Para a Indústria de Maquinaria Eléctrica

U T Berdiev; O F Demidenko; F F Hasanov

Edicoes Nosso Conhecimento
2023
pokkari
A introdu o generalizada da automa o e rob tica em v rios sectores da economia nacional levou a um crescimento intensivo na produ o de m quinas el ctricas de baixa pot ncia. Devido ao elevado consumo espec fico de materiais magn ticos na produ o de microm quinas, o desenvolvimento de tecnologia sem desperd cios para o fabrico de n cleos e n cleos magn ticos por m todos de metalurgia do p uma direc o muito promissora. A utiliza o de materiais magneticamente macios (MMP) produzidos por m todos de metalurgia do p permite reduzir as perdas de a o el ctrico em 60% e eliminar muitas opera es que consomem m o-de-obra, automatizar o processo tecnol gico e fornecer a precis o necess ria das dimens es das pe as, excluindo maquina es de acabamento adicionais. Nesta monografia s o consideradas e estudadas as caracter sticas b sicas dos materiais magneticamente macios, influ ncia da composi o e estrutura nas suas propriedades, materiais comp sitos magneticamente macios e composi o, estrutura e propriedades do MMM utilizado para o fabrico de n cleos e n cleos magn ticos na constru o de m quinas el ctricas.
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Magnetically Soft Materials for the Electrical Machinery Industry

Magnetically Soft Materials for the Electrical Machinery Industry

U T Berdiev; O F Demidenko; F F Hasanov

Our Knowledge Publishing
2023
pokkari
Widespread introduction of automation and robotics in various branches of the national economy has caused intensive growth of production of low-power electric machines. Due to high specific consumption of magnetic materials in production of micromachines, the development of waste-free technology of manufacture of magnetic cores and cores by methods of powder metallurgy is a very promising direction. Use of magnetically soft materials (MMM) produced by powder metallurgy methods allows to reduce losses of electrical steel up to 60% and exclude many labor-intensive operations, automate the technological process and provide the necessary precision of parts dimensions, excluding further finishing machining. In this monograph the main characteristics of magnetic-soft materials, the influence of composition and structure on their properties, magnetic-soft composite materials and composition, structure and properties of MMM used in the production of magnetic cores and cores in electric machine building are considered and studied.
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Magnetic Resonance Imaging of Central Nervous System Diseases

Magnetic Resonance Imaging of Central Nervous System Diseases

Werner J. Huk; Günther F. Gademann; G. Friedmann

Springer-Verlag Berlin and Heidelberg GmbH Co. K
2011
nidottu
Magnetic resonance imaging (MRI) is a new and still rapidly developing imaging technique which requires a new approach to image interpreta­ tion. Radiologists are compelled to translate their experience accumulat­ ed from X-ray techniques into the language of MRI, and likewise stu­ dents of radiology and interested clinicians need special training in both languages. Out of this necessity emerged the concept of this book as a manual on the application and evaluation of proton MRI for the radiolo­ gist and as a guide for the referring physician who wants to learn about the diagnostic value of MRI in specific conditions. After a short section on the basic principles of MRI, the contrast mechanisms of present-day imaging techniques, knowledge of which is essential for the analysis of relaxation times, are described in greater de­ tail. This is followed by a demonstration of functional neuroanatomy us­ ing three-dimensional view of MR images and a synopsis of frequent neurological symptoms and their topographic correlations, which will fa­ cilitate examination strategy with respect to both accurate diagnosis and economy.
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