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kuang jing dian li bao po wang jiao liu dian liu zhun bao zhi de que ding fang fa
Author(s): 
Pages: 41-42+47
Year: Issue:  10
Journal: Coal Science and Technology

Keyword:  正弦交流电流电力爆破电雷管桥丝准爆电流电流有效值大串联脉冲电流供电时间毫秒电雷管矿井;
Abstract: <正> 一、电流准爆值的意义矿井大量使用秒电雷管和毫秒电雷管。厂家的使用说明书规定:多发串联恒定直流准爆电流I,应能满足电雷管通电时间t内有可靠的引火能量(冲量)K,即
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