Abstract: Heat-resistant commercial electric detonators applic able to mines were studied.The detonator can be used under the mine when the hig h temperature coal layer in the fire area was exploited,and the performance of i ts resistance to the heat has
Abstract: Heat-resistant commercial electric detonators applic able to mines were studied.The detonator can be used under the mine when the hig h temperature coal layer in the fire area was exploited,and the performance of i ts resistance to the heat has
文摘:研究了适用于煤矿井下火区高温煤层开采的具有一定耐热性能的工业电雷管，并对其耐热性能进行了测试。