Research on Influencing Factors of Effective Gas Extraction Radius in Coal Mine Based on Multiple Linear Regression

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Extraction time (d)</td><td class="align_center">20</td><td class="align_center">60</td><td class="align_center">100</td><td class="align_center">140</td><td class="align_center">180</td></tr><tr><td class="align_left">Effective gas extraction radius (m)</td><td class="align_center">1.24</td><td class="align_center">1.67</td><td class="align_center">2.09</td><td class="align_center">2.48</td><td class="align_center">2.97</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Effective extraction radius of different extraction time.</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Research on Influencing Factors of Effective Gas Extraction Radius in Coal Mine Based on Multiple Linear Regression 