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. 2020 Jan 29;8:32. doi: 10.3389/fchem.2020.00032

Table 2.

Physical parameters used to asses the wood decay.

Physical parameter	Unit	Formula
Basic density (D_bd)	g × cm⁻³	$D_{b d} = \frac{M_{0}}{V_{f}}$
Maximum water content (MWC)	%	$M W C = \frac{M_{f} - M_{O}}{M_{O}}$
Residual density (RD_b)	%	$R D_{b} = \frac{D_{b d}}{D_{b}}$

M₀, anhydrous mass; M_f, mass at maximum water content; V_f, volume at maximum water content; D_b, basic density of non-decayed wood.