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Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 921254, 10 pages
http://dx.doi.org/10.1155/2012/921254
Research Article

Distribution of Vapor Pressure in the Vacuum Freeze-Drying Equipment

1School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China
2Normal School of Shenyang University, Shenyang 110015, China

Received 13 April 2012; Accepted 14 May 2012

Academic Editor: Zhijun Zhang

Copyright © 2012 Shiwei Zhang and Jun Liu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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