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. 2024 Feb 15;9(8):9686–9701. doi: 10.1021/acsomega.3c09733

Table 2. Statistics of the Interval of Orthogonal Fracture Structures in Coal.

observation structural unit Lm/mm Ld/mm Lc/mm
1 4.51 3.04 9.62
2 4.33 3.35 7.03
3 4.37 3.06 8.81
4 5.21 3.57 9.85
5 3.96 3.52 9.26
6 4.22 2.98 8.84
7 4.56 4.43 9.25
8 4.98 2.96 7.26
9 4.72 3.68 9.28
10 5.62 3.41 10.47
11 5.02 3.71 8.44
12 5.83 4.02 7.94
13 4.77 3.88 8.22
14 4.53 3.49 9.35
mean value 4.76 3.51 8.83