<p style="text-indent: 0cm; margin: 0cm 0cm 0pt; mso-char-indent-count: 0" class="MsoNormal"><span style="mso-bidi-font-weight: bold" lang="EN-US"><font size="3"><font face="Times New Roman">Study and practice through dispersed in-situ phase induced by composite of sludge and dust ball explosive reaction<o:p></o:p></font></font></span>