MS delayed electric detonator

Japanese: MS 段発電気雷管 - えむえすだんはつでんきらいかん
MS delayed electric detonator

...A delay electric detonator has a delay charge between the ignition ball and the explosive charge, so that there is a delay between the ignition of the ignition ball and the explosion of the explosive charge (Figure b). Depending on whether the delay time is 0.25 seconds or 0.025 seconds, they are divided into DS (decisecond) delay electric detonators and MS (millisecond) delay electric detonators. In addition, there are electric detonators for seismic exploration that have particularly good instantaneous detonation. ...

*Some of the terminology used to refer to "MS delay electric detonator" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…段発電気雷管は点火玉と起爆薬との間に延時薬を挟み,点火玉の発火から起爆薬の爆発までに遅れをもたせたものである(図のb)。遅れ時間間隔が0.25秒か,0.025秒かによりDS(デシセコンド)段発電気雷管とMS(ミリセコンド)段発電気雷管に分かれている。このほか,瞬発性のとくによい地震探鉱用電気雷管がある。…

※「MS 段発電気雷管」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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