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Result: Searchterm 'Coil'
found in 50 messages |
Result Pages: 1 2 3 4 5 6 7 [8] 9 10 |
More Results: Database (193) News Service (27) Resources (17) |
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Arash Dabirzadeh
Sun. 16 Nov.08, 20:20
[Start of: 'RF engineer seeking job' 0 Reply]
Category:
Jobs |
RF engineer seeking job |
can you give me a list of RF coil companies/labs in the US?
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Reader Mail
Sun. 5 Oct.08, 03:48
[Start of: 'gradient preemphasis' 0 Reply]
Category:
Equipment |
gradient preemphasis |
Is the gradient preemphasis still used in the up-to-date MRI scanner equipped with the shielded gradient coil? Does the preemphasis become unnecessary in the future, or is it continued to be used?
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John Jackson
Fri. 12 Sep.08, 08:40
[Reply (1 of 2) to: 'flow arifact' started by: 'Neeta Vyas' on Tue. 9 Sep.08]
Category:
Artifacts |
flow arifact |
I wonder if it has anything to do with the placement (location) of the wrist within the scanner. Assuming that your using the scanners coil as a reciever- Are you scanning close to the edge of the scanner? The sat band also has to be within the FOV/limits of the scanner.
I suggest trying different locations in the scanner (or using a smaller FOV). It would be strange if you had artefacts in some writs and not in others.
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werginn carvajal
Wed. 30 Jul.08, 01:41
[Reply (1 of 2) to: 'coils for leg' started by: 'israa sadiq' on Sat. 19 Jul.08]
Category:
Applications and Examinations |
coils for leg |
no you need to use flex coil i think you have
a profile 0.2 g.e
werginn carvajal rt armrit
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Rud Spring
Fri. 7 Apr.06, 21:08
[Reply (1 of 2) to: 'SAR, Magnetic field and exitation frequency' started by: 'I L' on Wed. 12 Oct.05]
Category:
Basics and Physics |
SAR, Magnetic field and exitation frequency |
At two times the field-strength you need four times more RF power. (If you keep the duration of the pulse the same...)
But the exact amount of RF power depends on many more system components. Usually 3T transmit coils are shorter compared to 1.5T, such that less than four times the RF power is needed...
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