Study on Microstructure Differences of Coal Samples before and after Loading

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Moisture (%)</td><td class="align_center">Ash (%)</td><td class="align_center">Volatile (%)</td><td class="align_center">Adsorption constant</td><td class="align_center">Adsorption constant</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="2">0.83</td><td class="align_center" rowspan="2">10.02</td><td class="align_center" rowspan="2">18.19</td><td class="align_center"><i>a</i> (m<sup>3</sup>/t)</td><td class="align_center"><i>b</i> (MPa<sup>−1</sup>)</td></tr><tr><td class="align_center">39.02</td><td class="align_center">0.329</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic physical parameters of coal.</div>

Shock and Vibration

tab2

Table 2

Table 2: Study on Microstructure Differences of Coal Samples before and after Loading 