[SBE] nitrogen

[Gary O'Guinn]

Oops! I left off the "fied". Sorry.

Cowboy wrote:

> On Wednesday 06 May 2009 08:06 pm, Larry Will wrote:

>

>   

>>  Wasn't the original question about "has anyone used nitrogen instead 

>>  of dry air for pressurization of MW lines?

>>     

>

>  No !

>

>  It was about LIQUIFIED nitrogen.

>

>   

>>  and WHY has NO ONE answered the question - a common problem with this 

>>  SBE reflector.

>>     

>

>  Possibly because most of the participants are not that

>  familiar with cryogenics ?

>

>  You should note that I did answer, with a pondering that there

>  would be other problems, absent a rather sophisticated super-cooling

>  refrigeration method.

>

>  I've some limited experience with using liquified nitrogen as the

>  insulation for liquified helium in MRI magnets, but not for using

>  as a dielectric gas in RF lines.

>

>   

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