Re: [TenTec] Induction Field / MRI

[Ken Brown <ken.d.brown@verizon.net>]

tongaloa@alltel.net wrote:

> Seems there is a high background field which is
> held constant, for proton alignment. Then there is a time
> varying field, much smaller, which modifies the overall field, allowing changes 
> in the precession which radiate RF.
I can believe this. The unchanging field notion I could not.

>  



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