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• Dielectric constants and dissipation factors for six rock types between 20 and 100 megahertz
• Dielectric constants and dissipation factors of simulated lunar rocks
• In-mine evaluation of underground fire and smoke detectors
• Improved backup alarm technology for mobile mining equipment
• Anticollision systems for large mine-haulage trucks
• Rapid response pneumatic fire detection for multilevel metal mines :system design and in-mine testing
• Effect of ultralow frequency signaling on blasting array current