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the secrets of magnets By jose mª alarte
eBook (ePub): $9.31
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This book provides an overview of both technical and practical, all related to magnets and magnetism
HIDROPONIA ,El arte de cultivar sin tierra By jose mª alarte
eBook (ePub): $9.13
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La técnica de la hidroponía es incluso descrita por antiguos jeroglíficos egipcios en los cuales se hace mención de cultivos de plantas flotantes en las riveras del... More > río Nilo.< Less
DIE KUNST DER WACHSEN HYDROPONIK LANDLOS By jose mª alarte
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Altägyptischen Hieroglyphen, in denen erwähnt schwimmende Pflanzen in Kulturen von die Ufer des Nils.
THE ART OF GROWING HYDROPONICS LANDLESS By jose mª alarte
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All you need is to read a bit to see how it works, and make hydroponic system that suits you. If you win or you becomes very complicated, there are many commercial systems available that will include... More > everything needed to initiate and maintain a culture in your home.< Less
preguntas y respuestas sobre magnetismo By jose mª alarte
eBook (ePub): $9.03
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lo que siempre te has preguntado sobre magnetismo sus aleaciones y aplicaciones.
EL MUNDO DE LOS IMANES By jose mª alarte
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orientación sobre imanes permanentes,características físicas y quimicas. Lo que mos proporciona una vision global,tanto técnica como practica,de todo lo relacionado con el... More > magnetismo.< Less
OVERVIEW OF CIENTIFIC AND TECNOLOGY THUST-A EUROPEAN PERSPECTIVE AND STABILITY OF NdFeB PERMANENT MAGNETS By jose mª alarte
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The influence of interstitial hydrogen on the magnetic properties of the Nd2Fe14B-type phases (where R is a particular rare earth metal) was studied extensively during the CEAM program me. Hydrogen... More > additions increased the Curie temperature and iron magnetization. The absorption process also results in the decrepitation of the bulk materials and this was exploited in the production of sintered magnets (see later). Unfonunately the anisotropy field of Nd2Fe14B at room temperature is substantially reduced so that it does not appear possible to make permanent magnets from the hydride material and it is necessary to remove the interstitial hydrogen in order to restore coercivity.< Less
LOS SECRETOS DE LOS IMANES By jose mª alarte
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Este libro proporciona una visión global, tanto técnica como práctica, de todo lo relacionado con los imanes y el magnetismo.
DAS GEHEIMNIS DER MAGNETS By jose mª alarte
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Dieses Buch bietet einen umfassenden, sowohl technisch als auch praktisch, alle im Zusammenhang mit Magneten und Magnetismus.
PREGUNTAS Y RESPUESTAS SOBRE MAGNETISMO By jose mª alarte
eBook (ePub): $9.31
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Lo que siempre te has preguntado sobre magnetismo;composiciones físicas y químicas.