孔底起爆落矿工艺及参数优化研究通过鉴定由陕西省科委主持召开的“孔底起爆落矿工艺及孔网参数优化试验研究”成果鉴定会，于１９９４年１０月７日在西安举行。参加会议的有１２个单位３１名代表，其中高级职称的代表有１９人．该项目由酉安建筑科技大学与甘肃省白银有色... Hole bottom explosion blasting process and parameter optimization research identified by the Shaanxi Provincial Science and Technology Commission presided over the “bottom hole blasting technology and hole network optimization parameters of the experimental study” appraisal will be held on October 7, 1994 in Xi’an. 31 delegates from 12 units attended the meeting, of whom 19 were senior representatives. The project by the You’an University of Architecture and Technology and Gansu province silver colored ...