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| Result: Searchterm 'Bo'
found in 285 messages |
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More Results:  Database (490) News Service (696) Resources (204) |
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Gerald Del Castillo
Thu. 13 Nov.08,
00:47
[Reply (1 of 4) to:
'mri per diem tech'
started by: 'Reader Mail'
on Wed. 17 Sep.08]
 Category:
Jobs
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| mri per diem tech |
Hi Steve....I would like to apply for this position. I am an MRI Technologist for the past 2 years, BLS certified, and IV access certified. I have Siemens open magnet experience, but I am interested learning a new magnet. Please email me information regarding about this position at gee_cast@sbcglobal.net
Thanks
Gerald
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|  View the whole thread | | |
Sam Shelly
Sun. 2 Nov.08,
23:06
[Reply (2 of 3) to:
'MRI study guide for a physics dummy'
started by: 'Chantel Keed'
on Fri. 26 Oct.07]
Category:
Basics and Physics
|
| MRI study guide for a physics dummy |
Berlex has a GREAT MRI study guide for "beginners". It really puts things in layman's terms. Don't feel bad. I wouldn't love the book so much if I didn't need it too. :)
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| | View the whole thread | | |
Sam Shelly
Sun. 2 Nov.08,
23:02
[Reply (2 of 3) to:
'Regarding recovery and decay [basic phycisc]'
started by: 'harry sanders'
on Sat. 7 Jun.08]
Category:
Basics and Physics
|
| Regarding recovery and decay [basic phycisc] |
Right on.
Recovery and delay are two separate physical processes like the last guy said. It had me stumped for a while when I was studying as well. But read carefully and think hard about it...
T1 recovery is the return of net magnetization into alignment with b0.
T2 decay is a totally different process and is, as the previous person said, simply loss of net magnetization in the transverse plain due to dephasing. The more electrons that are precessing in phase in the transverse plane, the stronger the NMV is in that plane. And, hence forth, when the RF pulse terminates, the influence of b0 gradually dephases the electrons in the transverse plane. As they dephase, the transverse NMV decreases accordingly, until the next pulse hits, rephasing the electrons and starting the process all over.
Hope that helps. MRI physics is hairy and boring at times. Load up on expressos to stay awake and stick with it, because studying MRI physics can be like taking a bottle of sleeping pills.
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| | View the whole thread | | |
Piotr Wdowiak
Mon. 27 Oct.08,
17:12
[Reply (4 of 5) to:
'Mobile MRI - Keeping Magnet Cold'
started by: 'Will B'
on Thu. 23 Oct.08]
Category:
Devices, Scanner, Machines
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| Mobile MRI - Keeping Magnet Cold |
Hi
Majority of mobile MRI scanners got onboard generators.
Once you plug off scanner from main external pawer onboard generator will start automaticly.
It keeps chiler running during the transport.
Onboard generator alows you switch on the system , but I wouldn't scan using onboard generator. This is just to keep running system when power supply failure.
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| | View the whole thread | | |
Patricia Burns
Fri. 24 Oct.08,
19:20
[Reply (3 of 5) to:
'Mobile MRI - Keeping Magnet Cold'
started by: 'Will B'
on Thu. 23 Oct.08]
Category:
Devices, Scanner, Machines
|
| Mobile MRI - Keeping Magnet Cold |
The chillers can be off during transport. For short trips, the boil off of cryogens will be minimal.
p.burns
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| | View the whole thread | |
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