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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D617-1

In studies of methods to pasteurize liquid foods such as apple cider without using heat, research leader Howard Zhang (left) and chemical engineer David Geveke develop and evaluate pulsed electric field and radio-frequency electric field treatments.

Photo by Peggy Greb.



640 pixels wide: (d617-1.jpg)




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Last Modified: 9/26/2006