1988年4月26日～28日山西省科委委托山西省煤炭厅在阳方口煤矿主持召开了由山西矿业学院和阳方口煤矿共同承担的省重点科研项目《坚硬顶板下特厚易燃煤层采煤方法的试验和研究》成果鉴定会。全国23个单位的36位专家、教授组成鉴定委员会,会议一致通过了该项目的成果鉴定,并高度评价了该项目在预注水软 April 26, 1988 -28 Shanxi Provincial Commission of Science and Technology Commission commissioned by the Coal Office in Yangfangkou coal mine chaired by the Shanxi Institute of Mining and Yang Fangkang coal mine shared key provincial research projects “under the hard roof under the special thick flammable Test and research on coal seam mining methods ”. 36 experts and professors from 23 units nationwide formed an appraisal committee and the meeting unanimously passed the appraisal of the project’s achievements and highly praised the project’s pre-injection of soft water