JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 34 Issue 2
March 2019
Article Contents
LI Xiao, CHEN Ruiqian, HE Chao, et al. Comparative analysis of different methods for measuring the volume of expanded tobacco stem before and after rejuvenation[J]. Journal of Light Industry, 2019, 34(2): 10-15. doi: 10.3969/j.issn.2096-1553.2019.02.002
Citation: LI Xiao, CHEN Ruiqian, HE Chao, et al. Comparative analysis of different methods for measuring the volume of expanded tobacco stem before and after rejuvenation[J]. Journal of Light Industry, 2019, 34(2): 10-15. doi: 10.3969/j.issn.2096-1553.2019.02.002 shu

Comparative analysis of different methods for measuring the volume of expanded tobacco stem before and after rejuvenation

  • Received Date: 2018-06-20
  • In order to quantitatively analyze the volume change of expanded tobacco stem after rejuvenation, the natural accumulation method, filling method and liquid impregnation method were used to measure, analyze and modify the volume of expanded tobacco stem after rejuvenation. At the same time, the correction results of volume were applied to calculate the shrinkage rate of expanded tobacco stem after rejuvenation. The results showed that the liquid impregnation method was more reliable in measuring the volume of expanded tobacco stem after rejuvenation with less fluctuation of data and good stability when compared with natural accumulation and filling method. Based on the results of liquid impregnation method, the linear relationship between liquid impregnation method (y) and natural accumulation method (x1) and filling method (x2) was established. The modified expressions were that:y=0.352x1-41.744, y=0.772x2-19.874, and the correlation coefficients R2 were 0.922 and 0.959, respectively. The volume of expanded tobacco stem after rejuvenation by modified natural accumulation method and filling method was close to that by liquid impregnation method, which is more accurate than that before amendment. The results showed that all three methods could be used to measure the volume of expanded tobacco stem, which need to be modified by liquid impregnation method to obtain more accurate results.
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