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[King?] James says "structure amplitude."

(1950 ed., Ch II, 1a (p27))

JPK

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Jacob Pearson Keller
Northwestern University
Medical Scientist Training Program
Dallos Laboratory
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----- Original Message ----- 
From: "Ethan Merritt" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, January 12, 2009 10:59 AM
Subject: Re: [ccp4bb] structure (factor) amplitude


> On Monday 12 January 2009 02:42:43 Ian Tickle wrote:
>
>> Also I did a 'Google vote' for the two terms.  'Structure amplitude' has
>> 11300 hits.  'Structure factor amplitude' has only 4750.  So all round I
>> would say that 'structure amplitude' wins by a considerable margin.
>
> The field of crystagooglography is relatively young,
> and standard procedures have not yet been established :-)
> Here's what I get:
>
> +"structure factor amplitude"  18,000 hits
> +"structure amplitude"         17,100 hits
>
> Ethan
>
>
>>
>> Cheers
>>
>> -- Ian
>>
>> > -----Original Message-----
>> > From: [log in to unmask]
>> > [mailto:[log in to unmask]] On Behalf Of Pavel Afonine
>> > Sent: 11 January 2009 03:01
>> > To: Ethan A Merritt
>> > Cc: [log in to unmask]
>> > Subject: Re: [ccp4bb] structure (factor) amplitude
>> >
>> >
>> >
>> > On 1/10/2009 5:14 PM, Ethan A Merritt wrote:
>> >
>> > On Saturday 10 January 2009, Bernhard Rupp wrote:
>> >
>> >
>> > Dear All,
>> >
>> > I am getting conflicting comments on the use of
>> > 'structure factor amplitude'
>> > vs. just
>> > 'structure amplitude'
>> > for |F|.
>> >
>> >
>> >
>> > ???
>> > That's just... odd.
>> >
>> > |F| is the amplitude of F.
>> > But no way F is a "structure".
>> >
>> >
>> >
>> > I agree. If F is a structure factor then |F| is a structure
>> > factor amplitude. "structure amplitude" doesn't make much sense...
>> > Pavel.
>>
>>
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>
>
>
> -- 
> Ethan A Merritt
> Biomolecular Structure Center
> University of Washington, Seattle 98195-7742
>