全部

1·Factors of influencing commercial electric detonator to misfire in series in coal mining are analysed and measures are put forward in this paper.

分析了煤矿井下爆破串联丢炮的原因，提出了一些办法和措施，对预防串联丢炮有一定的作用。

2·The link and explosion transmission of non-electric detonator network were analyzed and the cause of misfire during underwater reef blasting with the network was found out.

分析了非电导爆管起爆网络的连接和传爆过程，找出了采用该起爆网络进行水下炸礁时，炮孔装药产生拒爆的原因。