البحوث العلمية

<p><span style="font-size:16px"><span style="font-family:Arial,Helvetica,sans-serif">1-&nbsp;Chemical, Physical and Geotechnical Properties Comparison between Scoria and Pumice Deposits in Dhamar &ndash; Rada Volcanic Field -SW Yemen&nbsp; ( منشور )</span></span></p> <p><span style="font-size:16px"><span style="font-family:Arial,Helvetica,sans-serif">2-&nbsp;The Characteristics and Possibility of using Al-Lisi (Yemen) Pumice Rocks as Abrasives and Polishing Material in Dental Laboratories Instead of Imported Pumice ( منشور )&nbsp;</span></span></p> <p><span style="font-size:16px"><span style="font-family:Arial,Helvetica,sans-serif">3-&nbsp;Turning obsidian rocks into spongy gravel for the purpose of producing lightweight and heat-insulating concrete&nbsp; ( قيد النشر )</span></span></p> <p><span style="font-size:16px"><span style="font-family:Arial,Helvetica,sans-serif">4-&nbsp;The theory of diffraction in discovering the causes of the roaming and reversal of the earth&#39;s magnetic poles ( قيد النشر )</span></span></p>

المحاضرات العلمية