| 11. | However, at terahertz, infrared and visible frequencies, natural materials have a very weak magnetic coupling component, or permeability.
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| 12. | Sonically destructive Magnetic coupling between the coils is negated by highly efficient magnetic shields around the upper coil.
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| 13. | Low-frequency magnetic systems will require more shielding than radio-frequency systems due to their use of near-field magnetic coupling.
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| 14. | These will usually be with their axes at right angles to each other to reduce magnetic coupling between them.
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| 15. | For example, some theoretical methods ( DFT ) may not be appropriate to solve magnetic coupling or electron transitions properties.
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| 16. | If the tube is made of metal, the float position is transferred to an external indicator via a magnetic coupling.
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| 17. | Magnetic coupling between two magnets can also be used to mechanically transfer power without contact, as in the magnetic gear.
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| 18. | Also, as part of periodic composite structure these are designed to have a stronger magnetic coupling than is found in nature.
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| 19. | Ribbons have traditionally been incapable of high output ( large magnet gaps leading to poor magnetic coupling is the main reason ).
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| 20. | The more reliable solution is the magnetic coupling, which makes no physical contact, so will never be subject to failing by wear.
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