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superconducting magnet |
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superconducting magnet [¦sü·pər·kən′dəkt·iŋ ′mag·nət] (cryogenics) An electromagnet whose coils are made of a type II superconductor with a high transition temperature and extremely high critical field, such as niobium tin, Nb3Sn; it is capable of generating magnetic fields of 100,000 oersteds (8,000,000 amperes per meter) and more with no steady power dissipation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Expensive superconducting magnets are central to nuclear magnetic resonance (NMR) technology, one of chemistry's workhorse methods for determining molecular structure and composition. The superconducting magnet must be operated below the critical current of the cable, which is a function of magnetic field and temperature. 5 tesla MRI system uses a superconducting magnet to obtain the high-quality images needed to make a quick, accurate diagnosis. |
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