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'Helium'
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Mon. 19 Mar.07,
08:56

[Reply (1 of 2) to:
'Quench'
started by: 'mak stavrak'
on Sat. 17 Feb.07]


 
  Category: 
Safety

 
Quench
That is really too much.
Did the quenches occur during helium filling? A not correct vacuum in the filling equipment can cause it.
Other possibilities are icing by condensation, leakage or other damage. Ask the manufacturer or service engineer of your MRI scanner if they can install a quench monitoring to find out the reason.


Good luck
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jing cai

Fri. 20 Oct.06,
15:47

[Reply (1 of 3) to:
'LUNGS MRI'
started by: 'CLAUDIO RIBERTI'
on Fri. 20 Oct.06]


 
  Category: 
General

 
LUNGS MRI
You are right! It is called the hyperpolarized nobel gases, mostly Helium-3 and Xenon-129. They are many centers around the world are conducting such experiments. Many techniques using the gas have been developed to investigate pulmonary pathphysiological changes such as ventilation, diffusion, elastis, etc. As an example, you can go the below link for detailed information:

http://imaging.med.virginia.edu/hyperpolarized/index.htm
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