Chengjiang, China
Chengjiang, China

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Duan F.,Jiangnan University | Chen Y.-F.,Jiangnan University | Sun Z.-Z.,Jiangnan University | Chen M.-Q.,Jiangnan University | And 2 more authors.
Mathematical Problems in Engineering | Year: 2013

The influence of subcritical drop heights on respiratory rate was studied for cherry tomatoes. The cherry tomatoes were dropped, and the mean value of O2 concentration was measured, and then the respiration rate was calculated. The results showed that the respiration rate of the cherry tomatoes increases remarkably with the dropping height. Finally, the relationship between the subcritical dropping heights and respiration rate was modeled and validated, showing good agreement. © 2013 Fang Duan et al.


Duan F.,Jiangnan University | Chen M.-Q.,Jiangnan University | Zhu Y.,University of Jinan | Zhang H.,Jiangyin Propack Packing Co. | Zhang J.,Jiangyin Propack Packing Co.
Mathematical Problems in Engineering | Year: 2013

The diffusion of chemical substances from packaging into food endangers people's health. The migration amount of the chemical substances increases with the time and temperature, but the diffusion process for different kinds of packaging materials differs much. Most recently, the research community showed a renewed interest on the diffusion process of chemical substances through packaging/food interface during microwave treatment. In this study, the diffusion coefficient model is suggested and then the migration process is studied based on Fick's diffusion law. The results are finally compared with the experimental data, showing good agreement. © 2013 Fang Duan et al.

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