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Environment News
PH PDF Print E-mail
Friday, 17 November 2006 01:00
PH is the numeric value that indicates the relative acidity or Alkalinity of a substance on a scale of 0 to 14, with the neutral point at 7. Acid solutions have pH values lower than 7 ; basic or alkaline solutions have pH values greater than 7.

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Ryan, X-13, Vertijet
by San Diego Air & Space Museum Archives

Catalog #: 01_00090215 Manufacturer: Ryan Official Nickname: Vertijet Designation: X-13 Notes: USA Title: Ryan, X-13, Vertijet Tags: Ryan, X-13, Vertijet, USA Repository: San Diego Air and Space Museum Archive

Grumman : EA-6B : Prowler
by San Diego Air & Space Museum Archives

Catalog #: 00038102 Manufacturer: Grumman Designation: EA-6B Official Nickname: Prowler Notes: DIO; Op. Enduring Freedom Repository: San Diego Air and Space Museum Archive

McDonnell Douglas : F/A-18 : Hornet
by San Diego Air & Space Museum Archives

Catalog #: 00045603 Manufacturer: McDonnell Douglas Designation: F/A-18 Official Nickname: Hornet Notes: DIO Repository: San Diego Air and Space Museum Archive
 

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