• Key Magazine of China Technology（CSTPCD）
ISSN 1004-4140
CN 11-3017/P
Volume 19 Issue 1
Mar.  2010
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TAO Le-ren, LIU Meng-fang, WU Jian-qing, ZHANG Shu-hong, LI Yong-fu. Effects of Pre-Cooling Rate on the Freeze-Dried Pig Artery[J]. CT Theory and Applications, 2010, 19(1): 62-70.
Citation: TAO Le-ren, LIU Meng-fang, WU Jian-qing, ZHANG Shu-hong, LI Yong-fu. Effects of Pre-Cooling Rate on the Freeze-Dried Pig Artery[J]. CT Theory and Applications, 2010, 19(1): 62-70.
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Effects of Pre-Cooling Rate on the Freeze-Dried Pig Artery

  • Institute of Cryogenic Technology and Food Freezing, University of Shanghai for Science and Technology, Shanghai 200093, China

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  • Received Date: January 05, 2010
  • Available Online: December 12, 2022
    Abstract
  • A micro-CT is used to monitor the freeze-drying processes of pig arteries which are pre-cooling at different rate.Imagines are analyzed by grey scale value evaluation.The pre-cooling rate are 0.5 ℃ ·min-1,1 ℃· min-1,2 ℃· min-1 result the variation ratio of the porosity 11.9%,16.6%,29.7% respectively and the gray scale value 2.27%,3.64% and 6.36% respectively.At the same time,the movement of sublimation interface is also scanned,and the characteristics of the movement are discussed from the views of the vessel's inner composition.
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    LI Yong-fu

    • Institute of Cryogenic Technology and Food Freezing, University of Shanghai for Science and Technology, Shanghai 200093, China

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