On the electromagnetic detection of the thickness of a coal or lignite seam with slate backing

Keyphrases

• Coal Seam 100%
• Conductivity Contrast 50%
• Current Loop 50%
• Earth Structure 50%
• Electromagnetic Detection 100%
• Layer Thickness 50%
• Lignite Seam 100%
• Mining Machines 50%
• Secondary Magnetic Field 50%
• Small Current 50%
• Two-layer 50%

Engineering

• Backup 100%
• Current Loop 50%
• Layer Thickness 50%
• Lignite 100%
• Magnetic Field 50%
• Measured Data 50%