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Effect of ultralow frequency signaling on blasting array current [microform] / by Kenneth E. Hjelmstad and Russell E. Griffin (Report of investigations ; 9479)

Effect of ultralow frequency signaling on blasting array current [microform] / by Kenneth E. Hjelmstad and Russell E. Griffin (Report of investigations ; 9479)
Microform図書
1993<YCA-I 28.23:9479>
National Diet Library
  • Subject HeadingElectric detonators -- Safety measures Electromagnetic waves -- Tran...

Electrostatic sensitivity, strength, and no-fire current of short-delay detonators / by T.S. Bajpayee, R.J. Mainiero, and J.E. Hay (Report of investigations ; 8989)

Electrostatic sensitivity, strength, and no-fire current of short-delay detonators / by T.S. Bajpayee, R.J. Mainiero, and J.E. Hay (Report of investigations ; 8989)
Microform図書
1985<YCA-I 28.23:8989>
National Diet Library
  • Subject HeadingElectric detonators -- Safety measures Coal mines and mining -- Safe...

Firing delay characteristics of instantaneous and seismic detonators / by T.S. Bajpayee, Richard J. Mainiero, and J. Edmund Hay (Report of investigations ; 9054)

Firing delay characteristics of instantaneous and seismic detonators / by T.S. Bajpayee, Richard J. Mainiero, and J. Edmund Hay (Report of investigations ; 9054)
Microform図書
1986<YCA-I 28.23:9054>
National Diet Library
  • Subject HeadingElectric detonators -- Safety measures Blasting -- Safety measures C...

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