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Radial variations of electrical properties of date palm stem

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Abstract

The main objective of this study was to investigate the radial variations of electrical properties of the date palm (Phoenix dactylifera L.) stem (Date palm stem: DPS) of the Marrakech region of Morocco. Moreover, Electrical Impedance Spectroscopy (EIS) method was applied on the DPS experimental samples at room temperature (20 ± 2 °C) and under frequency interval of 40 Hz to 100 kHz. Furthermore, the double-DCE (ZARC) model was used as equivalent circuit for the DPS. The electrical impedance parameters of this model such as intracellular resistance (Ri), extracellular resistances (Re1 and Re2), relaxation time (τ1 and τ2) and the distribution coefficient of the relaxation time (Ψ1 and Ψ2) for the DPS samples were determined and compared. Significant differences in the equivalent circuit parameters were found between samples from different lateral position in the DPS. Therefore, the results showed that the electrical parameters of this model (the intracellular resistance (Ri), the extracellular resistances (Re1 and Re2) and the relaxation time (τ2) decreased while the relaxation time (τ1) as well as the distribution coefficient of the relaxation time (Ψ1 and Ψ2) were constant when moving from the pith to the bark.

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Authors and Affiliations

  1. Wood Science Laboratory, Faculty of Science, Mohammed V University in Rabat, P.O Box 1014, Rabat, Morocco

    M. Elkhal & A. Hakam

  2. Laboratory of Condensed Matter and Interdisciplinary Sciences, Faculty of Science, Mohammed V University in Rabat, P.O Box 1014, Rabat, Morocco

    M. Elkhal & H. Ez-Zahraouy

  3. LBGIM, Ecole Normale Supérieure, University of Hassan II, Casablanca, Morocco

    A. Hader & M. Tanasehte

  4. Centre Régional Des Métiers d’éducation Et de Formation Casablanca-Settat/Établissement Settat, Settat, Morocco

    A. Hader

  5. National Institute of Archaeology and Patrimony Sciences, P.O Box 6828, Rabat, Morocco

    M. Ziani

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  1. M. Elkhal
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  2. A. Hakam
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  3. H. Ez-Zahraouy
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  4. A. Hader
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  5. M. Tanasehte
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Correspondence to M. Tanasehte.

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Elkhal, M., Hakam, A., Ez-Zahraouy, H. et al. Radial variations of electrical properties of date palm stem. J Indian Acad Wood Sci 18, 106–115 (2021). https://doi.org/10.1007/s13196-021-00286-0

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